llvm/lib/IR/Core.cpp

   1 //===-- Core.cpp ----------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements the common infrastructure (including the C bindings)
  10 // for libLLVMCore.a, which implements the LLVM intermediate representation.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm-c/Core.h"
  15 #include "llvm-c/Types.h"
  16 #include "llvm/IR/Attributes.h"
  17 #include "llvm/IR/BasicBlock.h"
  18 #include "llvm/IR/ConstantRange.h"
  19 #include "llvm/IR/Constants.h"
  20 #include "llvm/IR/DebugInfoMetadata.h"
  21 #include "llvm/IR/DebugProgramInstruction.h"
  22 #include "llvm/IR/DerivedTypes.h"
  23 #include "llvm/IR/DiagnosticInfo.h"
  24 #include "llvm/IR/DiagnosticPrinter.h"
  25 #include "llvm/IR/GlobalAlias.h"
  26 #include "llvm/IR/GlobalVariable.h"
  27 #include "llvm/IR/IRBuilder.h"
  28 #include "llvm/IR/InlineAsm.h"
  29 #include "llvm/IR/Instructions.h"
  30 #include "llvm/IR/IntrinsicInst.h"
  31 #include "llvm/IR/LLVMContext.h"
  32 #include "llvm/IR/LegacyPassManager.h"
  33 #include "llvm/IR/Module.h"
  34 #include "llvm/InitializePasses.h"
  35 #include "llvm/PassRegistry.h"
  36 #include "llvm/Support/Debug.h"
  37 #include "llvm/Support/ErrorHandling.h"
  38 #include "llvm/Support/FileSystem.h"
  39 #include "llvm/Support/ManagedStatic.h"
  40 #include "llvm/Support/MathExtras.h"
  41 #include "llvm/Support/MemoryBuffer.h"
  42 #include "llvm/Support/Threading.h"
  43 #include "llvm/Support/raw_ostream.h"
  44 #include <cassert>
  45 #include <cstdlib>
  46 #include <cstring>
  47 #include <system_error>
  48
  49 using namespace llvm;
  50
  51 DEFINE_SIMPLE_CONVERSION_FUNCTIONS(OperandBundleDef, LLVMOperandBundleRef)
  52
  53 inline BasicBlock **unwrap(LLVMBasicBlockRef *BBs) {
  54   return reinterpret_cast<BasicBlock **>(BBs);
  55 }
  56
  57 #define DEBUG_TYPE "ir"
  58
  59 void llvm::initializeCore(PassRegistry &Registry) {
  60   initializeDominatorTreeWrapperPassPass(Registry);
  61   initializePrintModulePassWrapperPass(Registry);
  62   initializePrintFunctionPassWrapperPass(Registry);
  63   initializeSafepointIRVerifierPass(Registry);
  64   initializeVerifierLegacyPassPass(Registry);
  65 }
  66
  67 void LLVMShutdown() {
  68   llvm_shutdown();
  69 }
  70
  71 /*===-- Version query -----------------------------------------------------===*/
  72
  73 void LLVMGetVersion(unsigned *Major, unsigned *Minor, unsigned *Patch) {
  74     if (Major)
  75         *Major = LLVM_VERSION_MAJOR;
  76     if (Minor)
  77         *Minor = LLVM_VERSION_MINOR;
  78     if (Patch)
  79         *Patch = LLVM_VERSION_PATCH;
  80 }
  81
  82 /*===-- Error handling ----------------------------------------------------===*/
  83
  84 char *LLVMCreateMessage(const char *Message) {
  85   return strdup(Message);
  86 }
  87
  88 void LLVMDisposeMessage(char *Message) {
  89   free(Message);
  90 }
  91
  92
  93 /*===-- Operations on contexts --------------------------------------------===*/
  94
  95 static LLVMContext &getGlobalContext() {
  96   static LLVMContext GlobalContext;
  97   return GlobalContext;
  98 }
  99
 100 LLVMContextRef LLVMContextCreate() {
 101   return wrap(new LLVMContext());
 102 }
 103
 104 LLVMContextRef LLVMGetGlobalContext() { return wrap(&getGlobalContext()); }
 105
 106 void LLVMContextSetDiagnosticHandler(LLVMContextRef C,
 107                                      LLVMDiagnosticHandler Handler,
 108                                      void *DiagnosticContext) {
 109   unwrap(C)->setDiagnosticHandlerCallBack(
 110       LLVM_EXTENSION reinterpret_cast<DiagnosticHandler::DiagnosticHandlerTy>(
 111           Handler),
 112       DiagnosticContext);
 113 }
 114
 115 LLVMDiagnosticHandler LLVMContextGetDiagnosticHandler(LLVMContextRef C) {
 116   return LLVM_EXTENSION reinterpret_cast<LLVMDiagnosticHandler>(
 117       unwrap(C)->getDiagnosticHandlerCallBack());
 118 }
 119
 120 void *LLVMContextGetDiagnosticContext(LLVMContextRef C) {
 121   return unwrap(C)->getDiagnosticContext();
 122 }
 123
 124 void LLVMContextSetYieldCallback(LLVMContextRef C, LLVMYieldCallback Callback,
 125                                  void *OpaqueHandle) {
 126   auto YieldCallback =
 127     LLVM_EXTENSION reinterpret_cast<LLVMContext::YieldCallbackTy>(Callback);
 128   unwrap(C)->setYieldCallback(YieldCallback, OpaqueHandle);
 129 }
 130
 131 LLVMBool LLVMContextShouldDiscardValueNames(LLVMContextRef C) {
 132   return unwrap(C)->shouldDiscardValueNames();
 133 }
 134
 135 void LLVMContextSetDiscardValueNames(LLVMContextRef C, LLVMBool Discard) {
 136   unwrap(C)->setDiscardValueNames(Discard);
 137 }
 138
 139 void LLVMContextDispose(LLVMContextRef C) {
 140   delete unwrap(C);
 141 }
 142
 143 unsigned LLVMGetMDKindIDInContext(LLVMContextRef C, const char *Name,
 144                                   unsigned SLen) {
 145   return unwrap(C)->getMDKindID(StringRef(Name, SLen));
 146 }
 147
 148 unsigned LLVMGetMDKindID(const char *Name, unsigned SLen) {
 149   return LLVMGetMDKindIDInContext(LLVMGetGlobalContext(), Name, SLen);
 150 }
 151
 152 unsigned LLVMGetSyncScopeID(LLVMContextRef C, const char *Name, size_t SLen) {
 153   return unwrap(C)->getOrInsertSyncScopeID(StringRef(Name, SLen));
 154 }
 155
 156 unsigned LLVMGetEnumAttributeKindForName(const char *Name, size_t SLen) {
 157   return Attribute::getAttrKindFromName(StringRef(Name, SLen));
 158 }
 159
 160 unsigned LLVMGetLastEnumAttributeKind(void) {
 161   return Attribute::AttrKind::EndAttrKinds;
 162 }
 163
 164 LLVMAttributeRef LLVMCreateEnumAttribute(LLVMContextRef C, unsigned KindID,
 165                                          uint64_t Val) {
 166   auto &Ctx = *unwrap(C);
 167   auto AttrKind = (Attribute::AttrKind)KindID;
 168   return wrap(Attribute::get(Ctx, AttrKind, Val));
 169 }
 170
 171 unsigned LLVMGetEnumAttributeKind(LLVMAttributeRef A) {
 172   return unwrap(A).getKindAsEnum();
 173 }
 174
 175 uint64_t LLVMGetEnumAttributeValue(LLVMAttributeRef A) {
 176   auto Attr = unwrap(A);
 177   if (Attr.isEnumAttribute())
 178     return 0;
 179   return Attr.getValueAsInt();
 180 }
 181
 182 LLVMAttributeRef LLVMCreateTypeAttribute(LLVMContextRef C, unsigned KindID,
 183                                          LLVMTypeRef type_ref) {
 184   auto &Ctx = *unwrap(C);
 185   auto AttrKind = (Attribute::AttrKind)KindID;
 186   return wrap(Attribute::get(Ctx, AttrKind, unwrap(type_ref)));
 187 }
 188
 189 LLVMTypeRef LLVMGetTypeAttributeValue(LLVMAttributeRef A) {
 190   auto Attr = unwrap(A);
 191   return wrap(Attr.getValueAsType());
 192 }
 193
 194 LLVMAttributeRef LLVMCreateConstantRangeAttribute(LLVMContextRef C,
 195                                                   unsigned KindID,
 196                                                   unsigned NumBits,
 197                                                   const uint64_t LowerWords[],
 198                                                   const uint64_t UpperWords[]) {
 199   auto &Ctx = *unwrap(C);
 200   auto AttrKind = (Attribute::AttrKind)KindID;
 201   unsigned NumWords = divideCeil(NumBits, 64);
 202   return wrap(Attribute::get(
 203       Ctx, AttrKind,
 204       ConstantRange(APInt(NumBits, ArrayRef(LowerWords, NumWords)),
 205                     APInt(NumBits, ArrayRef(UpperWords, NumWords)))));
 206 }
 207
 208 LLVMAttributeRef LLVMCreateStringAttribute(LLVMContextRef C,
 209                                            const char *K, unsigned KLength,
 210                                            const char *V, unsigned VLength) {
 211   return wrap(Attribute::get(*unwrap(C), StringRef(K, KLength),
 212                              StringRef(V, VLength)));
 213 }
 214
 215 const char *LLVMGetStringAttributeKind(LLVMAttributeRef A,
 216                                        unsigned *Length) {
 217   auto S = unwrap(A).getKindAsString();
 218   *Length = S.size();
 219   return S.data();
 220 }
 221
 222 const char *LLVMGetStringAttributeValue(LLVMAttributeRef A,
 223                                         unsigned *Length) {
 224   auto S = unwrap(A).getValueAsString();
 225   *Length = S.size();
 226   return S.data();
 227 }
 228
 229 LLVMBool LLVMIsEnumAttribute(LLVMAttributeRef A) {
 230   auto Attr = unwrap(A);
 231   return Attr.isEnumAttribute() || Attr.isIntAttribute();
 232 }
 233
 234 LLVMBool LLVMIsStringAttribute(LLVMAttributeRef A) {
 235   return unwrap(A).isStringAttribute();
 236 }
 237
 238 LLVMBool LLVMIsTypeAttribute(LLVMAttributeRef A) {
 239   return unwrap(A).isTypeAttribute();
 240 }
 241
 242 char *LLVMGetDiagInfoDescription(LLVMDiagnosticInfoRef DI) {
 243   std::string MsgStorage;
 244   raw_string_ostream Stream(MsgStorage);
 245   DiagnosticPrinterRawOStream DP(Stream);
 246
 247   unwrap(DI)->print(DP);
 248   Stream.flush();
 249
 250   return LLVMCreateMessage(MsgStorage.c_str());
 251 }
 252
 253 LLVMDiagnosticSeverity LLVMGetDiagInfoSeverity(LLVMDiagnosticInfoRef DI) {
 254     LLVMDiagnosticSeverity severity;
 255
 256     switch(unwrap(DI)->getSeverity()) {
 257     default:
 258       severity = LLVMDSError;
 259       break;
 260     case DS_Warning:
 261       severity = LLVMDSWarning;
 262       break;
 263     case DS_Remark:
 264       severity = LLVMDSRemark;
 265       break;
 266     case DS_Note:
 267       severity = LLVMDSNote;
 268       break;
 269     }
 270
 271     return severity;
 272 }
 273
 274 /*===-- Operations on modules ---------------------------------------------===*/
 275
 276 LLVMModuleRef LLVMModuleCreateWithName(const char *ModuleID) {
 277   return wrap(new Module(ModuleID, getGlobalContext()));
 278 }
 279
 280 LLVMModuleRef LLVMModuleCreateWithNameInContext(const char *ModuleID,
 281                                                 LLVMContextRef C) {
 282   return wrap(new Module(ModuleID, *unwrap(C)));
 283 }
 284
 285 void LLVMDisposeModule(LLVMModuleRef M) {
 286   delete unwrap(M);
 287 }
 288
 289 const char *LLVMGetModuleIdentifier(LLVMModuleRef M, size_t *Len) {
 290   auto &Str = unwrap(M)->getModuleIdentifier();
 291   *Len = Str.length();
 292   return Str.c_str();
 293 }
 294
 295 void LLVMSetModuleIdentifier(LLVMModuleRef M, const char *Ident, size_t Len) {
 296   unwrap(M)->setModuleIdentifier(StringRef(Ident, Len));
 297 }
 298
 299 const char *LLVMGetSourceFileName(LLVMModuleRef M, size_t *Len) {
 300   auto &Str = unwrap(M)->getSourceFileName();
 301   *Len = Str.length();
 302   return Str.c_str();
 303 }
 304
 305 void LLVMSetSourceFileName(LLVMModuleRef M, const char *Name, size_t Len) {
 306   unwrap(M)->setSourceFileName(StringRef(Name, Len));
 307 }
 308
 309 /*--.. Data layout .........................................................--*/
 310 const char *LLVMGetDataLayoutStr(LLVMModuleRef M) {
 311   return unwrap(M)->getDataLayoutStr().c_str();
 312 }
 313
 314 const char *LLVMGetDataLayout(LLVMModuleRef M) {
 315   return LLVMGetDataLayoutStr(M);
 316 }
 317
 318 void LLVMSetDataLayout(LLVMModuleRef M, const char *DataLayoutStr) {
 319   unwrap(M)->setDataLayout(DataLayoutStr);
 320 }
 321
 322 /*--.. Target triple .......................................................--*/
 323 const char * LLVMGetTarget(LLVMModuleRef M) {
 324   return unwrap(M)->getTargetTriple().c_str();
 325 }
 326
 327 void LLVMSetTarget(LLVMModuleRef M, const char *Triple) {
 328   unwrap(M)->setTargetTriple(Triple);
 329 }
 330
 331 /*--.. Module flags ........................................................--*/
 332 struct LLVMOpaqueModuleFlagEntry {
 333   LLVMModuleFlagBehavior Behavior;
 334   const char *Key;
 335   size_t KeyLen;
 336   LLVMMetadataRef Metadata;
 337 };
 338
 339 static Module::ModFlagBehavior
 340 map_to_llvmModFlagBehavior(LLVMModuleFlagBehavior Behavior) {
 341   switch (Behavior) {
 342   case LLVMModuleFlagBehaviorError:
 343     return Module::ModFlagBehavior::Error;
 344   case LLVMModuleFlagBehaviorWarning:
 345     return Module::ModFlagBehavior::Warning;
 346   case LLVMModuleFlagBehaviorRequire:
 347     return Module::ModFlagBehavior::Require;
 348   case LLVMModuleFlagBehaviorOverride:
 349     return Module::ModFlagBehavior::Override;
 350   case LLVMModuleFlagBehaviorAppend:
 351     return Module::ModFlagBehavior::Append;
 352   case LLVMModuleFlagBehaviorAppendUnique:
 353     return Module::ModFlagBehavior::AppendUnique;
 354   }
 355   llvm_unreachable("Unknown LLVMModuleFlagBehavior");
 356 }
 357
 358 static LLVMModuleFlagBehavior
 359 map_from_llvmModFlagBehavior(Module::ModFlagBehavior Behavior) {
 360   switch (Behavior) {
 361   case Module::ModFlagBehavior::Error:
 362     return LLVMModuleFlagBehaviorError;
 363   case Module::ModFlagBehavior::Warning:
 364     return LLVMModuleFlagBehaviorWarning;
 365   case Module::ModFlagBehavior::Require:
 366     return LLVMModuleFlagBehaviorRequire;
 367   case Module::ModFlagBehavior::Override:
 368     return LLVMModuleFlagBehaviorOverride;
 369   case Module::ModFlagBehavior::Append:
 370     return LLVMModuleFlagBehaviorAppend;
 371   case Module::ModFlagBehavior::AppendUnique:
 372     return LLVMModuleFlagBehaviorAppendUnique;
 373   default:
 374     llvm_unreachable("Unhandled Flag Behavior");
 375   }
 376 }
 377
 378 LLVMModuleFlagEntry *LLVMCopyModuleFlagsMetadata(LLVMModuleRef M, size_t *Len) {
 379   SmallVector<Module::ModuleFlagEntry, 8> MFEs;
 380   unwrap(M)->getModuleFlagsMetadata(MFEs);
 381
 382   LLVMOpaqueModuleFlagEntry *Result = static_cast<LLVMOpaqueModuleFlagEntry *>(
 383       safe_malloc(MFEs.size() * sizeof(LLVMOpaqueModuleFlagEntry)));
 384   for (unsigned i = 0; i < MFEs.size(); ++i) {
 385     const auto &ModuleFlag = MFEs[i];
 386     Result[i].Behavior = map_from_llvmModFlagBehavior(ModuleFlag.Behavior);
 387     Result[i].Key = ModuleFlag.Key->getString().data();
 388     Result[i].KeyLen = ModuleFlag.Key->getString().size();
 389     Result[i].Metadata = wrap(ModuleFlag.Val);
 390   }
 391   *Len = MFEs.size();
 392   return Result;
 393 }
 394
 395 void LLVMDisposeModuleFlagsMetadata(LLVMModuleFlagEntry *Entries) {
 396   free(Entries);
 397 }
 398
 399 LLVMModuleFlagBehavior
 400 LLVMModuleFlagEntriesGetFlagBehavior(LLVMModuleFlagEntry *Entries,
 401                                      unsigned Index) {
 402   LLVMOpaqueModuleFlagEntry MFE =
 403       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
 404   return MFE.Behavior;
 405 }
 406
 407 const char *LLVMModuleFlagEntriesGetKey(LLVMModuleFlagEntry *Entries,
 408                                         unsigned Index, size_t *Len) {
 409   LLVMOpaqueModuleFlagEntry MFE =
 410       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
 411   *Len = MFE.KeyLen;
 412   return MFE.Key;
 413 }
 414
 415 LLVMMetadataRef LLVMModuleFlagEntriesGetMetadata(LLVMModuleFlagEntry *Entries,
 416                                                  unsigned Index) {
 417   LLVMOpaqueModuleFlagEntry MFE =
 418       static_cast<LLVMOpaqueModuleFlagEntry>(Entries[Index]);
 419   return MFE.Metadata;
 420 }
 421
 422 LLVMMetadataRef LLVMGetModuleFlag(LLVMModuleRef M,
 423                                   const char *Key, size_t KeyLen) {
 424   return wrap(unwrap(M)->getModuleFlag({Key, KeyLen}));
 425 }
 426
 427 void LLVMAddModuleFlag(LLVMModuleRef M, LLVMModuleFlagBehavior Behavior,
 428                        const char *Key, size_t KeyLen,
 429                        LLVMMetadataRef Val) {
 430   unwrap(M)->addModuleFlag(map_to_llvmModFlagBehavior(Behavior),
 431                            {Key, KeyLen}, unwrap(Val));
 432 }
 433
 434 LLVMBool LLVMIsNewDbgInfoFormat(LLVMModuleRef M) {
 435   return unwrap(M)->IsNewDbgInfoFormat;
 436 }
 437
 438 void LLVMSetIsNewDbgInfoFormat(LLVMModuleRef M, LLVMBool UseNewFormat) {
 439   unwrap(M)->setIsNewDbgInfoFormat(UseNewFormat);
 440 }
 441
 442 /*--.. Printing modules ....................................................--*/
 443
 444 void LLVMDumpModule(LLVMModuleRef M) {
 445   unwrap(M)->print(errs(), nullptr,
 446                    /*ShouldPreserveUseListOrder=*/false, /*IsForDebug=*/true);
 447 }
 448
 449 LLVMBool LLVMPrintModuleToFile(LLVMModuleRef M, const char *Filename,
 450                                char **ErrorMessage) {
 451   std::error_code EC;
 452   raw_fd_ostream dest(Filename, EC, sys::fs::OF_TextWithCRLF);
 453   if (EC) {
 454     *ErrorMessage = strdup(EC.message().c_str());
 455     return true;
 456   }
 457
 458   unwrap(M)->print(dest, nullptr);
 459
 460   dest.close();
 461
 462   if (dest.has_error()) {
 463     std::string E = "Error printing to file: " + dest.error().message();
 464     *ErrorMessage = strdup(E.c_str());
 465     return true;
 466   }
 467
 468   return false;
 469 }
 470
 471 char *LLVMPrintModuleToString(LLVMModuleRef M) {
 472   std::string buf;
 473   raw_string_ostream os(buf);
 474
 475   unwrap(M)->print(os, nullptr);
 476   os.flush();
 477
 478   return strdup(buf.c_str());
 479 }
 480
 481 /*--.. Operations on inline assembler ......................................--*/
 482 void LLVMSetModuleInlineAsm2(LLVMModuleRef M, const char *Asm, size_t Len) {
 483   unwrap(M)->setModuleInlineAsm(StringRef(Asm, Len));
 484 }
 485
 486 void LLVMSetModuleInlineAsm(LLVMModuleRef M, const char *Asm) {
 487   unwrap(M)->setModuleInlineAsm(StringRef(Asm));
 488 }
 489
 490 void LLVMAppendModuleInlineAsm(LLVMModuleRef M, const char *Asm, size_t Len) {
 491   unwrap(M)->appendModuleInlineAsm(StringRef(Asm, Len));
 492 }
 493
 494 const char *LLVMGetModuleInlineAsm(LLVMModuleRef M, size_t *Len) {
 495   auto &Str = unwrap(M)->getModuleInlineAsm();
 496   *Len = Str.length();
 497   return Str.c_str();
 498 }
 499
 500 LLVMValueRef LLVMGetInlineAsm(LLVMTypeRef Ty, const char *AsmString,
 501                               size_t AsmStringSize, const char *Constraints,
 502                               size_t ConstraintsSize, LLVMBool HasSideEffects,
 503                               LLVMBool IsAlignStack,
 504                               LLVMInlineAsmDialect Dialect, LLVMBool CanThrow) {
 505   InlineAsm::AsmDialect AD;
 506   switch (Dialect) {
 507   case LLVMInlineAsmDialectATT:
 508     AD = InlineAsm::AD_ATT;
 509     break;
 510   case LLVMInlineAsmDialectIntel:
 511     AD = InlineAsm::AD_Intel;
 512     break;
 513   }
 514   return wrap(InlineAsm::get(unwrap<FunctionType>(Ty),
 515                              StringRef(AsmString, AsmStringSize),
 516                              StringRef(Constraints, ConstraintsSize),
 517                              HasSideEffects, IsAlignStack, AD, CanThrow));
 518 }
 519
 520 const char *LLVMGetInlineAsmAsmString(LLVMValueRef InlineAsmVal, size_t *Len) {
 521
 522   Value *Val = unwrap<Value>(InlineAsmVal);
 523   const std::string &AsmString = cast<InlineAsm>(Val)->getAsmString();
 524
 525   *Len = AsmString.length();
 526   return AsmString.c_str();
 527 }
 528
 529 const char *LLVMGetInlineAsmConstraintString(LLVMValueRef InlineAsmVal,
 530                                              size_t *Len) {
 531   Value *Val = unwrap<Value>(InlineAsmVal);
 532   const std::string &ConstraintString =
 533       cast<InlineAsm>(Val)->getConstraintString();
 534
 535   *Len = ConstraintString.length();
 536   return ConstraintString.c_str();
 537 }
 538
 539 LLVMInlineAsmDialect LLVMGetInlineAsmDialect(LLVMValueRef InlineAsmVal) {
 540
 541   Value *Val = unwrap<Value>(InlineAsmVal);
 542   InlineAsm::AsmDialect Dialect = cast<InlineAsm>(Val)->getDialect();
 543
 544   switch (Dialect) {
 545   case InlineAsm::AD_ATT:
 546     return LLVMInlineAsmDialectATT;
 547   case InlineAsm::AD_Intel:
 548     return LLVMInlineAsmDialectIntel;
 549   }
 550
 551   llvm_unreachable("Unrecognized inline assembly dialect");
 552   return LLVMInlineAsmDialectATT;
 553 }
 554
 555 LLVMTypeRef LLVMGetInlineAsmFunctionType(LLVMValueRef InlineAsmVal) {
 556   Value *Val = unwrap<Value>(InlineAsmVal);
 557   return (LLVMTypeRef)cast<InlineAsm>(Val)->getFunctionType();
 558 }
 559
 560 LLVMBool LLVMGetInlineAsmHasSideEffects(LLVMValueRef InlineAsmVal) {
 561   Value *Val = unwrap<Value>(InlineAsmVal);
 562   return cast<InlineAsm>(Val)->hasSideEffects();
 563 }
 564
 565 LLVMBool LLVMGetInlineAsmNeedsAlignedStack(LLVMValueRef InlineAsmVal) {
 566   Value *Val = unwrap<Value>(InlineAsmVal);
 567   return cast<InlineAsm>(Val)->isAlignStack();
 568 }
 569
 570 LLVMBool LLVMGetInlineAsmCanUnwind(LLVMValueRef InlineAsmVal) {
 571   Value *Val = unwrap<Value>(InlineAsmVal);
 572   return cast<InlineAsm>(Val)->canThrow();
 573 }
 574
 575 /*--.. Operations on module contexts ......................................--*/
 576 LLVMContextRef LLVMGetModuleContext(LLVMModuleRef M) {
 577   return wrap(&unwrap(M)->getContext());
 578 }
 579
 580
 581 /*===-- Operations on types -----------------------------------------------===*/
 582
 583 /*--.. Operations on all types (mostly) ....................................--*/
 584
 585 LLVMTypeKind LLVMGetTypeKind(LLVMTypeRef Ty) {
 586   switch (unwrap(Ty)->getTypeID()) {
 587   case Type::VoidTyID:
 588     return LLVMVoidTypeKind;
 589   case Type::HalfTyID:
 590     return LLVMHalfTypeKind;
 591   case Type::BFloatTyID:
 592     return LLVMBFloatTypeKind;
 593   case Type::FloatTyID:
 594     return LLVMFloatTypeKind;
 595   case Type::DoubleTyID:
 596     return LLVMDoubleTypeKind;
 597   case Type::X86_FP80TyID:
 598     return LLVMX86_FP80TypeKind;
 599   case Type::FP128TyID:
 600     return LLVMFP128TypeKind;
 601   case Type::PPC_FP128TyID:
 602     return LLVMPPC_FP128TypeKind;
 603   case Type::LabelTyID:
 604     return LLVMLabelTypeKind;
 605   case Type::MetadataTyID:
 606     return LLVMMetadataTypeKind;
 607   case Type::IntegerTyID:
 608     return LLVMIntegerTypeKind;
 609   case Type::FunctionTyID:
 610     return LLVMFunctionTypeKind;
 611   case Type::StructTyID:
 612     return LLVMStructTypeKind;
 613   case Type::ArrayTyID:
 614     return LLVMArrayTypeKind;
 615   case Type::PointerTyID:
 616     return LLVMPointerTypeKind;
 617   case Type::FixedVectorTyID:
 618     return LLVMVectorTypeKind;
 619   case Type::X86_AMXTyID:
 620     return LLVMX86_AMXTypeKind;
 621   case Type::TokenTyID:
 622     return LLVMTokenTypeKind;
 623   case Type::ScalableVectorTyID:
 624     return LLVMScalableVectorTypeKind;
 625   case Type::TargetExtTyID:
 626     return LLVMTargetExtTypeKind;
 627   case Type::TypedPointerTyID:
 628     llvm_unreachable("Typed pointers are unsupported via the C API");
 629   }
 630   llvm_unreachable("Unhandled TypeID.");
 631 }
 632
 633 LLVMBool LLVMTypeIsSized(LLVMTypeRef Ty)
 634 {
 635     return unwrap(Ty)->isSized();
 636 }
 637
 638 LLVMContextRef LLVMGetTypeContext(LLVMTypeRef Ty) {
 639   return wrap(&unwrap(Ty)->getContext());
 640 }
 641
 642 void LLVMDumpType(LLVMTypeRef Ty) {
 643   return unwrap(Ty)->print(errs(), /*IsForDebug=*/true);
 644 }
 645
 646 char *LLVMPrintTypeToString(LLVMTypeRef Ty) {
 647   std::string buf;
 648   raw_string_ostream os(buf);
 649
 650   if (unwrap(Ty))
 651     unwrap(Ty)->print(os);
 652   else
 653     os << "Printing <null> Type";
 654
 655   os.flush();
 656
 657   return strdup(buf.c_str());
 658 }
 659
 660 /*--.. Operations on integer types .........................................--*/
 661
 662 LLVMTypeRef LLVMInt1TypeInContext(LLVMContextRef C)  {
 663   return (LLVMTypeRef) Type::getInt1Ty(*unwrap(C));
 664 }
 665 LLVMTypeRef LLVMInt8TypeInContext(LLVMContextRef C)  {
 666   return (LLVMTypeRef) Type::getInt8Ty(*unwrap(C));
 667 }
 668 LLVMTypeRef LLVMInt16TypeInContext(LLVMContextRef C) {
 669   return (LLVMTypeRef) Type::getInt16Ty(*unwrap(C));
 670 }
 671 LLVMTypeRef LLVMInt32TypeInContext(LLVMContextRef C) {
 672   return (LLVMTypeRef) Type::getInt32Ty(*unwrap(C));
 673 }
 674 LLVMTypeRef LLVMInt64TypeInContext(LLVMContextRef C) {
 675   return (LLVMTypeRef) Type::getInt64Ty(*unwrap(C));
 676 }
 677 LLVMTypeRef LLVMInt128TypeInContext(LLVMContextRef C) {
 678   return (LLVMTypeRef) Type::getInt128Ty(*unwrap(C));
 679 }
 680 LLVMTypeRef LLVMIntTypeInContext(LLVMContextRef C, unsigned NumBits) {
 681   return wrap(IntegerType::get(*unwrap(C), NumBits));
 682 }
 683
 684 LLVMTypeRef LLVMInt1Type(void)  {
 685   return LLVMInt1TypeInContext(LLVMGetGlobalContext());
 686 }
 687 LLVMTypeRef LLVMInt8Type(void)  {
 688   return LLVMInt8TypeInContext(LLVMGetGlobalContext());
 689 }
 690 LLVMTypeRef LLVMInt16Type(void) {
 691   return LLVMInt16TypeInContext(LLVMGetGlobalContext());
 692 }
 693 LLVMTypeRef LLVMInt32Type(void) {
 694   return LLVMInt32TypeInContext(LLVMGetGlobalContext());
 695 }
 696 LLVMTypeRef LLVMInt64Type(void) {
 697   return LLVMInt64TypeInContext(LLVMGetGlobalContext());
 698 }
 699 LLVMTypeRef LLVMInt128Type(void) {
 700   return LLVMInt128TypeInContext(LLVMGetGlobalContext());
 701 }
 702 LLVMTypeRef LLVMIntType(unsigned NumBits) {
 703   return LLVMIntTypeInContext(LLVMGetGlobalContext(), NumBits);
 704 }
 705
 706 unsigned LLVMGetIntTypeWidth(LLVMTypeRef IntegerTy) {
 707   return unwrap<IntegerType>(IntegerTy)->getBitWidth();
 708 }
 709
 710 /*--.. Operations on real types ............................................--*/
 711
 712 LLVMTypeRef LLVMHalfTypeInContext(LLVMContextRef C) {
 713   return (LLVMTypeRef) Type::getHalfTy(*unwrap(C));
 714 }
 715 LLVMTypeRef LLVMBFloatTypeInContext(LLVMContextRef C) {
 716   return (LLVMTypeRef) Type::getBFloatTy(*unwrap(C));
 717 }
 718 LLVMTypeRef LLVMFloatTypeInContext(LLVMContextRef C) {
 719   return (LLVMTypeRef) Type::getFloatTy(*unwrap(C));
 720 }
 721 LLVMTypeRef LLVMDoubleTypeInContext(LLVMContextRef C) {
 722   return (LLVMTypeRef) Type::getDoubleTy(*unwrap(C));
 723 }
 724 LLVMTypeRef LLVMX86FP80TypeInContext(LLVMContextRef C) {
 725   return (LLVMTypeRef) Type::getX86_FP80Ty(*unwrap(C));
 726 }
 727 LLVMTypeRef LLVMFP128TypeInContext(LLVMContextRef C) {
 728   return (LLVMTypeRef) Type::getFP128Ty(*unwrap(C));
 729 }
 730 LLVMTypeRef LLVMPPCFP128TypeInContext(LLVMContextRef C) {
 731   return (LLVMTypeRef) Type::getPPC_FP128Ty(*unwrap(C));
 732 }
 733 LLVMTypeRef LLVMX86AMXTypeInContext(LLVMContextRef C) {
 734   return (LLVMTypeRef) Type::getX86_AMXTy(*unwrap(C));
 735 }
 736
 737 LLVMTypeRef LLVMHalfType(void) {
 738   return LLVMHalfTypeInContext(LLVMGetGlobalContext());
 739 }
 740 LLVMTypeRef LLVMBFloatType(void) {
 741   return LLVMBFloatTypeInContext(LLVMGetGlobalContext());
 742 }
 743 LLVMTypeRef LLVMFloatType(void) {
 744   return LLVMFloatTypeInContext(LLVMGetGlobalContext());
 745 }
 746 LLVMTypeRef LLVMDoubleType(void) {
 747   return LLVMDoubleTypeInContext(LLVMGetGlobalContext());
 748 }
 749 LLVMTypeRef LLVMX86FP80Type(void) {
 750   return LLVMX86FP80TypeInContext(LLVMGetGlobalContext());
 751 }
 752 LLVMTypeRef LLVMFP128Type(void) {
 753   return LLVMFP128TypeInContext(LLVMGetGlobalContext());
 754 }
 755 LLVMTypeRef LLVMPPCFP128Type(void) {
 756   return LLVMPPCFP128TypeInContext(LLVMGetGlobalContext());
 757 }
 758 LLVMTypeRef LLVMX86AMXType(void) {
 759   return LLVMX86AMXTypeInContext(LLVMGetGlobalContext());
 760 }
 761
 762 /*--.. Operations on function types ........................................--*/
 763
 764 LLVMTypeRef LLVMFunctionType(LLVMTypeRef ReturnType,
 765                              LLVMTypeRef *ParamTypes, unsigned ParamCount,
 766                              LLVMBool IsVarArg) {
 767   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
 768   return wrap(FunctionType::get(unwrap(ReturnType), Tys, IsVarArg != 0));
 769 }
 770
 771 LLVMBool LLVMIsFunctionVarArg(LLVMTypeRef FunctionTy) {
 772   return unwrap<FunctionType>(FunctionTy)->isVarArg();
 773 }
 774
 775 LLVMTypeRef LLVMGetReturnType(LLVMTypeRef FunctionTy) {
 776   return wrap(unwrap<FunctionType>(FunctionTy)->getReturnType());
 777 }
 778
 779 unsigned LLVMCountParamTypes(LLVMTypeRef FunctionTy) {
 780   return unwrap<FunctionType>(FunctionTy)->getNumParams();
 781 }
 782
 783 void LLVMGetParamTypes(LLVMTypeRef FunctionTy, LLVMTypeRef *Dest) {
 784   FunctionType *Ty = unwrap<FunctionType>(FunctionTy);
 785   for (Type *T : Ty->params())
 786     *Dest++ = wrap(T);
 787 }
 788
 789 /*--.. Operations on struct types ..........................................--*/
 790
 791 LLVMTypeRef LLVMStructTypeInContext(LLVMContextRef C, LLVMTypeRef *ElementTypes,
 792                            unsigned ElementCount, LLVMBool Packed) {
 793   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
 794   return wrap(StructType::get(*unwrap(C), Tys, Packed != 0));
 795 }
 796
 797 LLVMTypeRef LLVMStructType(LLVMTypeRef *ElementTypes,
 798                            unsigned ElementCount, LLVMBool Packed) {
 799   return LLVMStructTypeInContext(LLVMGetGlobalContext(), ElementTypes,
 800                                  ElementCount, Packed);
 801 }
 802
 803 LLVMTypeRef LLVMStructCreateNamed(LLVMContextRef C, const char *Name)
 804 {
 805   return wrap(StructType::create(*unwrap(C), Name));
 806 }
 807
 808 const char *LLVMGetStructName(LLVMTypeRef Ty)
 809 {
 810   StructType *Type = unwrap<StructType>(Ty);
 811   if (!Type->hasName())
 812     return nullptr;
 813   return Type->getName().data();
 814 }
 815
 816 void LLVMStructSetBody(LLVMTypeRef StructTy, LLVMTypeRef *ElementTypes,
 817                        unsigned ElementCount, LLVMBool Packed) {
 818   ArrayRef<Type*> Tys(unwrap(ElementTypes), ElementCount);
 819   unwrap<StructType>(StructTy)->setBody(Tys, Packed != 0);
 820 }
 821
 822 unsigned LLVMCountStructElementTypes(LLVMTypeRef StructTy) {
 823   return unwrap<StructType>(StructTy)->getNumElements();
 824 }
 825
 826 void LLVMGetStructElementTypes(LLVMTypeRef StructTy, LLVMTypeRef *Dest) {
 827   StructType *Ty = unwrap<StructType>(StructTy);
 828   for (Type *T : Ty->elements())
 829     *Dest++ = wrap(T);
 830 }
 831
 832 LLVMTypeRef LLVMStructGetTypeAtIndex(LLVMTypeRef StructTy, unsigned i) {
 833   StructType *Ty = unwrap<StructType>(StructTy);
 834   return wrap(Ty->getTypeAtIndex(i));
 835 }
 836
 837 LLVMBool LLVMIsPackedStruct(LLVMTypeRef StructTy) {
 838   return unwrap<StructType>(StructTy)->isPacked();
 839 }
 840
 841 LLVMBool LLVMIsOpaqueStruct(LLVMTypeRef StructTy) {
 842   return unwrap<StructType>(StructTy)->isOpaque();
 843 }
 844
 845 LLVMBool LLVMIsLiteralStruct(LLVMTypeRef StructTy) {
 846   return unwrap<StructType>(StructTy)->isLiteral();
 847 }
 848
 849 LLVMTypeRef LLVMGetTypeByName(LLVMModuleRef M, const char *Name) {
 850   return wrap(StructType::getTypeByName(unwrap(M)->getContext(), Name));
 851 }
 852
 853 LLVMTypeRef LLVMGetTypeByName2(LLVMContextRef C, const char *Name) {
 854   return wrap(StructType::getTypeByName(*unwrap(C), Name));
 855 }
 856
 857 /*--.. Operations on array, pointer, and vector types (sequence types) .....--*/
 858
 859 void LLVMGetSubtypes(LLVMTypeRef Tp, LLVMTypeRef *Arr) {
 860     int i = 0;
 861     for (auto *T : unwrap(Tp)->subtypes()) {
 862         Arr[i] = wrap(T);
 863         i++;
 864     }
 865 }
 866
 867 LLVMTypeRef LLVMArrayType(LLVMTypeRef ElementType, unsigned ElementCount) {
 868   return wrap(ArrayType::get(unwrap(ElementType), ElementCount));
 869 }
 870
 871 LLVMTypeRef LLVMArrayType2(LLVMTypeRef ElementType, uint64_t ElementCount) {
 872   return wrap(ArrayType::get(unwrap(ElementType), ElementCount));
 873 }
 874
 875 LLVMTypeRef LLVMPointerType(LLVMTypeRef ElementType, unsigned AddressSpace) {
 876   return wrap(PointerType::get(unwrap(ElementType), AddressSpace));
 877 }
 878
 879 LLVMBool LLVMPointerTypeIsOpaque(LLVMTypeRef Ty) {
 880   return true;
 881 }
 882
 883 LLVMTypeRef LLVMVectorType(LLVMTypeRef ElementType, unsigned ElementCount) {
 884   return wrap(FixedVectorType::get(unwrap(ElementType), ElementCount));
 885 }
 886
 887 LLVMTypeRef LLVMScalableVectorType(LLVMTypeRef ElementType,
 888                                    unsigned ElementCount) {
 889   return wrap(ScalableVectorType::get(unwrap(ElementType), ElementCount));
 890 }
 891
 892 LLVMTypeRef LLVMGetElementType(LLVMTypeRef WrappedTy) {
 893   auto *Ty = unwrap(WrappedTy);
 894   if (auto *ATy = dyn_cast<ArrayType>(Ty))
 895     return wrap(ATy->getElementType());
 896   return wrap(cast<VectorType>(Ty)->getElementType());
 897 }
 898
 899 unsigned LLVMGetNumContainedTypes(LLVMTypeRef Tp) {
 900     return unwrap(Tp)->getNumContainedTypes();
 901 }
 902
 903 unsigned LLVMGetArrayLength(LLVMTypeRef ArrayTy) {
 904   return unwrap<ArrayType>(ArrayTy)->getNumElements();
 905 }
 906
 907 uint64_t LLVMGetArrayLength2(LLVMTypeRef ArrayTy) {
 908   return unwrap<ArrayType>(ArrayTy)->getNumElements();
 909 }
 910
 911 unsigned LLVMGetPointerAddressSpace(LLVMTypeRef PointerTy) {
 912   return unwrap<PointerType>(PointerTy)->getAddressSpace();
 913 }
 914
 915 unsigned LLVMGetVectorSize(LLVMTypeRef VectorTy) {
 916   return unwrap<VectorType>(VectorTy)->getElementCount().getKnownMinValue();
 917 }
 918
 919 LLVMValueRef LLVMGetConstantPtrAuthPointer(LLVMValueRef PtrAuth) {
 920   return wrap(unwrap<ConstantPtrAuth>(PtrAuth)->getPointer());
 921 }
 922
 923 LLVMValueRef LLVMGetConstantPtrAuthKey(LLVMValueRef PtrAuth) {
 924   return wrap(unwrap<ConstantPtrAuth>(PtrAuth)->getKey());
 925 }
 926
 927 LLVMValueRef LLVMGetConstantPtrAuthDiscriminator(LLVMValueRef PtrAuth) {
 928   return wrap(unwrap<ConstantPtrAuth>(PtrAuth)->getDiscriminator());
 929 }
 930
 931 LLVMValueRef LLVMGetConstantPtrAuthAddrDiscriminator(LLVMValueRef PtrAuth) {
 932   return wrap(unwrap<ConstantPtrAuth>(PtrAuth)->getAddrDiscriminator());
 933 }
 934
 935 /*--.. Operations on other types ...........................................--*/
 936
 937 LLVMTypeRef LLVMPointerTypeInContext(LLVMContextRef C, unsigned AddressSpace) {
 938   return wrap(PointerType::get(*unwrap(C), AddressSpace));
 939 }
 940
 941 LLVMTypeRef LLVMVoidTypeInContext(LLVMContextRef C)  {
 942   return wrap(Type::getVoidTy(*unwrap(C)));
 943 }
 944 LLVMTypeRef LLVMLabelTypeInContext(LLVMContextRef C) {
 945   return wrap(Type::getLabelTy(*unwrap(C)));
 946 }
 947 LLVMTypeRef LLVMTokenTypeInContext(LLVMContextRef C) {
 948   return wrap(Type::getTokenTy(*unwrap(C)));
 949 }
 950 LLVMTypeRef LLVMMetadataTypeInContext(LLVMContextRef C) {
 951   return wrap(Type::getMetadataTy(*unwrap(C)));
 952 }
 953
 954 LLVMTypeRef LLVMVoidType(void)  {
 955   return LLVMVoidTypeInContext(LLVMGetGlobalContext());
 956 }
 957 LLVMTypeRef LLVMLabelType(void) {
 958   return LLVMLabelTypeInContext(LLVMGetGlobalContext());
 959 }
 960
 961 LLVMTypeRef LLVMTargetExtTypeInContext(LLVMContextRef C, const char *Name,
 962                                        LLVMTypeRef *TypeParams,
 963                                        unsigned TypeParamCount,
 964                                        unsigned *IntParams,
 965                                        unsigned IntParamCount) {
 966   ArrayRef<Type *> TypeParamArray(unwrap(TypeParams), TypeParamCount);
 967   ArrayRef<unsigned> IntParamArray(IntParams, IntParamCount);
 968   return wrap(
 969       TargetExtType::get(*unwrap(C), Name, TypeParamArray, IntParamArray));
 970 }
 971
 972 const char *LLVMGetTargetExtTypeName(LLVMTypeRef TargetExtTy) {
 973   TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
 974   return Type->getName().data();
 975 }
 976
 977 unsigned LLVMGetTargetExtTypeNumTypeParams(LLVMTypeRef TargetExtTy) {
 978   TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
 979   return Type->getNumTypeParameters();
 980 }
 981
 982 LLVMTypeRef LLVMGetTargetExtTypeTypeParam(LLVMTypeRef TargetExtTy,
 983                                           unsigned Idx) {
 984   TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
 985   return wrap(Type->getTypeParameter(Idx));
 986 }
 987
 988 unsigned LLVMGetTargetExtTypeNumIntParams(LLVMTypeRef TargetExtTy) {
 989   TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
 990   return Type->getNumIntParameters();
 991 }
 992
 993 unsigned LLVMGetTargetExtTypeIntParam(LLVMTypeRef TargetExtTy, unsigned Idx) {
 994   TargetExtType *Type = unwrap<TargetExtType>(TargetExtTy);
 995   return Type->getIntParameter(Idx);
 996 }
 997
 998 /*===-- Operations on values ----------------------------------------------===*/
 999
1000 /*--.. Operations on all values ............................................--*/
1001
1002 LLVMTypeRef LLVMTypeOf(LLVMValueRef Val) {
1003   return wrap(unwrap(Val)->getType());
1004 }
1005
1006 LLVMValueKind LLVMGetValueKind(LLVMValueRef Val) {
1007     switch(unwrap(Val)->getValueID()) {
1008 #define LLVM_C_API 1
1009 #define HANDLE_VALUE(Name) \
1010   case Value::Name##Val: \
1011     return LLVM##Name##ValueKind;
1012 #include "llvm/IR/Value.def"
1013   default:
1014     return LLVMInstructionValueKind;
1015   }
1016 }
1017
1018 const char *LLVMGetValueName2(LLVMValueRef Val, size_t *Length) {
1019   auto *V = unwrap(Val);
1020   *Length = V->getName().size();
1021   return V->getName().data();
1022 }
1023
1024 void LLVMSetValueName2(LLVMValueRef Val, const char *Name, size_t NameLen) {
1025   unwrap(Val)->setName(StringRef(Name, NameLen));
1026 }
1027
1028 const char *LLVMGetValueName(LLVMValueRef Val) {
1029   return unwrap(Val)->getName().data();
1030 }
1031
1032 void LLVMSetValueName(LLVMValueRef Val, const char *Name) {
1033   unwrap(Val)->setName(Name);
1034 }
1035
1036 void LLVMDumpValue(LLVMValueRef Val) {
1037   unwrap(Val)->print(errs(), /*IsForDebug=*/true);
1038 }
1039
1040 char* LLVMPrintValueToString(LLVMValueRef Val) {
1041   std::string buf;
1042   raw_string_ostream os(buf);
1043
1044   if (unwrap(Val))
1045     unwrap(Val)->print(os);
1046   else
1047     os << "Printing <null> Value";
1048
1049   os.flush();
1050
1051   return strdup(buf.c_str());
1052 }
1053
1054 LLVMContextRef LLVMGetValueContext(LLVMValueRef Val) {
1055   return wrap(&unwrap(Val)->getContext());
1056 }
1057
1058 char *LLVMPrintDbgRecordToString(LLVMDbgRecordRef Record) {
1059   std::string buf;
1060   raw_string_ostream os(buf);
1061
1062   if (unwrap(Record))
1063     unwrap(Record)->print(os);
1064   else
1065     os << "Printing <null> DbgRecord";
1066
1067   os.flush();
1068
1069   return strdup(buf.c_str());
1070 }
1071
1072 void LLVMReplaceAllUsesWith(LLVMValueRef OldVal, LLVMValueRef NewVal) {
1073   unwrap(OldVal)->replaceAllUsesWith(unwrap(NewVal));
1074 }
1075
1076 int LLVMHasMetadata(LLVMValueRef Inst) {
1077   return unwrap<Instruction>(Inst)->hasMetadata();
1078 }
1079
1080 LLVMValueRef LLVMGetMetadata(LLVMValueRef Inst, unsigned KindID) {
1081   auto *I = unwrap<Instruction>(Inst);
1082   assert(I && "Expected instruction");
1083   if (auto *MD = I->getMetadata(KindID))
1084     return wrap(MetadataAsValue::get(I->getContext(), MD));
1085   return nullptr;
1086 }
1087
1088 // MetadataAsValue uses a canonical format which strips the actual MDNode for
1089 // MDNode with just a single constant value, storing just a ConstantAsMetadata
1090 // This undoes this canonicalization, reconstructing the MDNode.
1091 static MDNode *extractMDNode(MetadataAsValue *MAV) {
1092   Metadata *MD = MAV->getMetadata();
1093   assert((isa<MDNode>(MD) || isa<ConstantAsMetadata>(MD)) &&
1094       "Expected a metadata node or a canonicalized constant");
1095
1096   if (MDNode *N = dyn_cast<MDNode>(MD))
1097     return N;
1098
1099   return MDNode::get(MAV->getContext(), MD);
1100 }
1101
1102 void LLVMSetMetadata(LLVMValueRef Inst, unsigned KindID, LLVMValueRef Val) {
1103   MDNode *N = Val ? extractMDNode(unwrap<MetadataAsValue>(Val)) : nullptr;
1104
1105   unwrap<Instruction>(Inst)->setMetadata(KindID, N);
1106 }
1107
1108 struct LLVMOpaqueValueMetadataEntry {
1109   unsigned Kind;
1110   LLVMMetadataRef Metadata;
1111 };
1112
1113 using MetadataEntries = SmallVectorImpl<std::pair<unsigned, MDNode *>>;
1114 static LLVMValueMetadataEntry *
1115 llvm_getMetadata(size_t *NumEntries,
1116                  llvm::function_ref<void(MetadataEntries &)> AccessMD) {
1117   SmallVector<std::pair<unsigned, MDNode *>, 8> MVEs;
1118   AccessMD(MVEs);
1119
1120   LLVMOpaqueValueMetadataEntry *Result =
1121   static_cast<LLVMOpaqueValueMetadataEntry *>(
1122                                               safe_malloc(MVEs.size() * sizeof(LLVMOpaqueValueMetadataEntry)));
1123   for (unsigned i = 0; i < MVEs.size(); ++i) {
1124     const auto &ModuleFlag = MVEs[i];
1125     Result[i].Kind = ModuleFlag.first;
1126     Result[i].Metadata = wrap(ModuleFlag.second);
1127   }
1128   *NumEntries = MVEs.size();
1129   return Result;
1130 }
1131
1132 LLVMValueMetadataEntry *
1133 LLVMInstructionGetAllMetadataOtherThanDebugLoc(LLVMValueRef Value,
1134                                                size_t *NumEntries) {
1135   return llvm_getMetadata(NumEntries, [&Value](MetadataEntries &Entries) {
1136     Entries.clear();
1137     unwrap<Instruction>(Value)->getAllMetadata(Entries);
1138   });
1139 }
1140
1141 /*--.. Conversion functions ................................................--*/
1142
1143 #define LLVM_DEFINE_VALUE_CAST(name)                                       \
1144   LLVMValueRef LLVMIsA##name(LLVMValueRef Val) {                           \
1145     return wrap(static_cast<Value*>(dyn_cast_or_null<name>(unwrap(Val)))); \
1146   }
1147
1148 LLVM_FOR_EACH_VALUE_SUBCLASS(LLVM_DEFINE_VALUE_CAST)
1149
1150 LLVMValueRef LLVMIsAMDNode(LLVMValueRef Val) {
1151   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
1152     if (isa<MDNode>(MD->getMetadata()) ||
1153         isa<ValueAsMetadata>(MD->getMetadata()))
1154       return Val;
1155   return nullptr;
1156 }
1157
1158 LLVMValueRef LLVMIsAValueAsMetadata(LLVMValueRef Val) {
1159   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
1160     if (isa<ValueAsMetadata>(MD->getMetadata()))
1161       return Val;
1162   return nullptr;
1163 }
1164
1165 LLVMValueRef LLVMIsAMDString(LLVMValueRef Val) {
1166   if (auto *MD = dyn_cast_or_null<MetadataAsValue>(unwrap(Val)))
1167     if (isa<MDString>(MD->getMetadata()))
1168       return Val;
1169   return nullptr;
1170 }
1171
1172 /*--.. Operations on Uses ..................................................--*/
1173 LLVMUseRef LLVMGetFirstUse(LLVMValueRef Val) {
1174   Value *V = unwrap(Val);
1175   Value::use_iterator I = V->use_begin();
1176   if (I == V->use_end())
1177     return nullptr;
1178   return wrap(&*I);
1179 }
1180
1181 LLVMUseRef LLVMGetNextUse(LLVMUseRef U) {
1182   Use *Next = unwrap(U)->getNext();
1183   if (Next)
1184     return wrap(Next);
1185   return nullptr;
1186 }
1187
1188 LLVMValueRef LLVMGetUser(LLVMUseRef U) {
1189   return wrap(unwrap(U)->getUser());
1190 }
1191
1192 LLVMValueRef LLVMGetUsedValue(LLVMUseRef U) {
1193   return wrap(unwrap(U)->get());
1194 }
1195
1196 /*--.. Operations on Users .................................................--*/
1197
1198 static LLVMValueRef getMDNodeOperandImpl(LLVMContext &Context, const MDNode *N,
1199                                          unsigned Index) {
1200   Metadata *Op = N->getOperand(Index);
1201   if (!Op)
1202     return nullptr;
1203   if (auto *C = dyn_cast<ConstantAsMetadata>(Op))
1204     return wrap(C->getValue());
1205   return wrap(MetadataAsValue::get(Context, Op));
1206 }
1207
1208 LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index) {
1209   Value *V = unwrap(Val);
1210   if (auto *MD = dyn_cast<MetadataAsValue>(V)) {
1211     if (auto *L = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
1212       assert(Index == 0 && "Function-local metadata can only have one operand");
1213       return wrap(L->getValue());
1214     }
1215     return getMDNodeOperandImpl(V->getContext(),
1216                                 cast<MDNode>(MD->getMetadata()), Index);
1217   }
1218
1219   return wrap(cast<User>(V)->getOperand(Index));
1220 }
1221
1222 LLVMUseRef LLVMGetOperandUse(LLVMValueRef Val, unsigned Index) {
1223   Value *V = unwrap(Val);
1224   return wrap(&cast<User>(V)->getOperandUse(Index));
1225 }
1226
1227 void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
1228   unwrap<User>(Val)->setOperand(Index, unwrap(Op));
1229 }
1230
1231 int LLVMGetNumOperands(LLVMValueRef Val) {
1232   Value *V = unwrap(Val);
1233   if (isa<MetadataAsValue>(V))
1234     return LLVMGetMDNodeNumOperands(Val);
1235
1236   return cast<User>(V)->getNumOperands();
1237 }
1238
1239 /*--.. Operations on constants of any type .................................--*/
1240
1241 LLVMValueRef LLVMConstNull(LLVMTypeRef Ty) {
1242   return wrap(Constant::getNullValue(unwrap(Ty)));
1243 }
1244
1245 LLVMValueRef LLVMConstAllOnes(LLVMTypeRef Ty) {
1246   return wrap(Constant::getAllOnesValue(unwrap(Ty)));
1247 }
1248
1249 LLVMValueRef LLVMGetUndef(LLVMTypeRef Ty) {
1250   return wrap(UndefValue::get(unwrap(Ty)));
1251 }
1252
1253 LLVMValueRef LLVMGetPoison(LLVMTypeRef Ty) {
1254   return wrap(PoisonValue::get(unwrap(Ty)));
1255 }
1256
1257 LLVMBool LLVMIsConstant(LLVMValueRef Ty) {
1258   return isa<Constant>(unwrap(Ty));
1259 }
1260
1261 LLVMBool LLVMIsNull(LLVMValueRef Val) {
1262   if (Constant *C = dyn_cast<Constant>(unwrap(Val)))
1263     return C->isNullValue();
1264   return false;
1265 }
1266
1267 LLVMBool LLVMIsUndef(LLVMValueRef Val) {
1268   return isa<UndefValue>(unwrap(Val));
1269 }
1270
1271 LLVMBool LLVMIsPoison(LLVMValueRef Val) {
1272   return isa<PoisonValue>(unwrap(Val));
1273 }
1274
1275 LLVMValueRef LLVMConstPointerNull(LLVMTypeRef Ty) {
1276   return wrap(ConstantPointerNull::get(unwrap<PointerType>(Ty)));
1277 }
1278
1279 /*--.. Operations on metadata nodes ........................................--*/
1280
1281 LLVMMetadataRef LLVMMDStringInContext2(LLVMContextRef C, const char *Str,
1282                                        size_t SLen) {
1283   return wrap(MDString::get(*unwrap(C), StringRef(Str, SLen)));
1284 }
1285
1286 LLVMMetadataRef LLVMMDNodeInContext2(LLVMContextRef C, LLVMMetadataRef *MDs,
1287                                      size_t Count) {
1288   return wrap(MDNode::get(*unwrap(C), ArrayRef<Metadata*>(unwrap(MDs), Count)));
1289 }
1290
1291 LLVMValueRef LLVMMDStringInContext(LLVMContextRef C, const char *Str,
1292                                    unsigned SLen) {
1293   LLVMContext &Context = *unwrap(C);
1294   return wrap(MetadataAsValue::get(
1295       Context, MDString::get(Context, StringRef(Str, SLen))));
1296 }
1297
1298 LLVMValueRef LLVMMDString(const char *Str, unsigned SLen) {
1299   return LLVMMDStringInContext(LLVMGetGlobalContext(), Str, SLen);
1300 }
1301
1302 LLVMValueRef LLVMMDNodeInContext(LLVMContextRef C, LLVMValueRef *Vals,
1303                                  unsigned Count) {
1304   LLVMContext &Context = *unwrap(C);
1305   SmallVector<Metadata *, 8> MDs;
1306   for (auto *OV : ArrayRef(Vals, Count)) {
1307     Value *V = unwrap(OV);
1308     Metadata *MD;
1309     if (!V)
1310       MD = nullptr;
1311     else if (auto *C = dyn_cast<Constant>(V))
1312       MD = ConstantAsMetadata::get(C);
1313     else if (auto *MDV = dyn_cast<MetadataAsValue>(V)) {
1314       MD = MDV->getMetadata();
1315       assert(!isa<LocalAsMetadata>(MD) && "Unexpected function-local metadata "
1316                                           "outside of direct argument to call");
1317     } else {
1318       // This is function-local metadata.  Pretend to make an MDNode.
1319       assert(Count == 1 &&
1320              "Expected only one operand to function-local metadata");
1321       return wrap(MetadataAsValue::get(Context, LocalAsMetadata::get(V)));
1322     }
1323
1324     MDs.push_back(MD);
1325   }
1326   return wrap(MetadataAsValue::get(Context, MDNode::get(Context, MDs)));
1327 }
1328
1329 LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count) {
1330   return LLVMMDNodeInContext(LLVMGetGlobalContext(), Vals, Count);
1331 }
1332
1333 LLVMValueRef LLVMMetadataAsValue(LLVMContextRef C, LLVMMetadataRef MD) {
1334   return wrap(MetadataAsValue::get(*unwrap(C), unwrap(MD)));
1335 }
1336
1337 LLVMMetadataRef LLVMValueAsMetadata(LLVMValueRef Val) {
1338   auto *V = unwrap(Val);
1339   if (auto *C = dyn_cast<Constant>(V))
1340     return wrap(ConstantAsMetadata::get(C));
1341   if (auto *MAV = dyn_cast<MetadataAsValue>(V))
1342     return wrap(MAV->getMetadata());
1343   return wrap(ValueAsMetadata::get(V));
1344 }
1345
1346 const char *LLVMGetMDString(LLVMValueRef V, unsigned *Length) {
1347   if (const auto *MD = dyn_cast<MetadataAsValue>(unwrap(V)))
1348     if (const MDString *S = dyn_cast<MDString>(MD->getMetadata())) {
1349       *Length = S->getString().size();
1350       return S->getString().data();
1351     }
1352   *Length = 0;
1353   return nullptr;
1354 }
1355
1356 unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V) {
1357   auto *MD = unwrap<MetadataAsValue>(V);
1358   if (isa<ValueAsMetadata>(MD->getMetadata()))
1359     return 1;
1360   return cast<MDNode>(MD->getMetadata())->getNumOperands();
1361 }
1362
1363 LLVMNamedMDNodeRef LLVMGetFirstNamedMetadata(LLVMModuleRef M) {
1364   Module *Mod = unwrap(M);
1365   Module::named_metadata_iterator I = Mod->named_metadata_begin();
1366   if (I == Mod->named_metadata_end())
1367     return nullptr;
1368   return wrap(&*I);
1369 }
1370
1371 LLVMNamedMDNodeRef LLVMGetLastNamedMetadata(LLVMModuleRef M) {
1372   Module *Mod = unwrap(M);
1373   Module::named_metadata_iterator I = Mod->named_metadata_end();
1374   if (I == Mod->named_metadata_begin())
1375     return nullptr;
1376   return wrap(&*--I);
1377 }
1378
1379 LLVMNamedMDNodeRef LLVMGetNextNamedMetadata(LLVMNamedMDNodeRef NMD) {
1380   NamedMDNode *NamedNode = unwrap(NMD);
1381   Module::named_metadata_iterator I(NamedNode);
1382   if (++I == NamedNode->getParent()->named_metadata_end())
1383     return nullptr;
1384   return wrap(&*I);
1385 }
1386
1387 LLVMNamedMDNodeRef LLVMGetPreviousNamedMetadata(LLVMNamedMDNodeRef NMD) {
1388   NamedMDNode *NamedNode = unwrap(NMD);
1389   Module::named_metadata_iterator I(NamedNode);
1390   if (I == NamedNode->getParent()->named_metadata_begin())
1391     return nullptr;
1392   return wrap(&*--I);
1393 }
1394
1395 LLVMNamedMDNodeRef LLVMGetNamedMetadata(LLVMModuleRef M,
1396                                         const char *Name, size_t NameLen) {
1397   return wrap(unwrap(M)->getNamedMetadata(StringRef(Name, NameLen)));
1398 }
1399
1400 LLVMNamedMDNodeRef LLVMGetOrInsertNamedMetadata(LLVMModuleRef M,
1401                                                 const char *Name, size_t NameLen) {
1402   return wrap(unwrap(M)->getOrInsertNamedMetadata({Name, NameLen}));
1403 }
1404
1405 const char *LLVMGetNamedMetadataName(LLVMNamedMDNodeRef NMD, size_t *NameLen) {
1406   NamedMDNode *NamedNode = unwrap(NMD);
1407   *NameLen = NamedNode->getName().size();
1408   return NamedNode->getName().data();
1409 }
1410
1411 void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest) {
1412   auto *MD = unwrap<MetadataAsValue>(V);
1413   if (auto *MDV = dyn_cast<ValueAsMetadata>(MD->getMetadata())) {
1414     *Dest = wrap(MDV->getValue());
1415     return;
1416   }
1417   const auto *N = cast<MDNode>(MD->getMetadata());
1418   const unsigned numOperands = N->getNumOperands();
1419   LLVMContext &Context = unwrap(V)->getContext();
1420   for (unsigned i = 0; i < numOperands; i++)
1421     Dest[i] = getMDNodeOperandImpl(Context, N, i);
1422 }
1423
1424 void LLVMReplaceMDNodeOperandWith(LLVMValueRef V, unsigned Index,
1425                                   LLVMMetadataRef Replacement) {
1426   auto *MD = cast<MetadataAsValue>(unwrap(V));
1427   auto *N = cast<MDNode>(MD->getMetadata());
1428   N->replaceOperandWith(Index, unwrap<Metadata>(Replacement));
1429 }
1430
1431 unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char *Name) {
1432   if (NamedMDNode *N = unwrap(M)->getNamedMetadata(Name)) {
1433     return N->getNumOperands();
1434   }
1435   return 0;
1436 }
1437
1438 void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char *Name,
1439                                   LLVMValueRef *Dest) {
1440   NamedMDNode *N = unwrap(M)->getNamedMetadata(Name);
1441   if (!N)
1442     return;
1443   LLVMContext &Context = unwrap(M)->getContext();
1444   for (unsigned i=0;i<N->getNumOperands();i++)
1445     Dest[i] = wrap(MetadataAsValue::get(Context, N->getOperand(i)));
1446 }
1447
1448 void LLVMAddNamedMetadataOperand(LLVMModuleRef M, const char *Name,
1449                                  LLVMValueRef Val) {
1450   NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(Name);
1451   if (!N)
1452     return;
1453   if (!Val)
1454     return;
1455   N->addOperand(extractMDNode(unwrap<MetadataAsValue>(Val)));
1456 }
1457
1458 const char *LLVMGetDebugLocDirectory(LLVMValueRef Val, unsigned *Length) {
1459   if (!Length) return nullptr;
1460   StringRef S;
1461   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1462     if (const auto &DL = I->getDebugLoc()) {
1463       S = DL->getDirectory();
1464     }
1465   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1466     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1467     GV->getDebugInfo(GVEs);
1468     if (GVEs.size())
1469       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1470         S = DGV->getDirectory();
1471   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1472     if (const DISubprogram *DSP = F->getSubprogram())
1473       S = DSP->getDirectory();
1474   } else {
1475     assert(0 && "Expected Instruction, GlobalVariable or Function");
1476     return nullptr;
1477   }
1478   *Length = S.size();
1479   return S.data();
1480 }
1481
1482 const char *LLVMGetDebugLocFilename(LLVMValueRef Val, unsigned *Length) {
1483   if (!Length) return nullptr;
1484   StringRef S;
1485   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1486     if (const auto &DL = I->getDebugLoc()) {
1487       S = DL->getFilename();
1488     }
1489   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1490     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1491     GV->getDebugInfo(GVEs);
1492     if (GVEs.size())
1493       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1494         S = DGV->getFilename();
1495   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1496     if (const DISubprogram *DSP = F->getSubprogram())
1497       S = DSP->getFilename();
1498   } else {
1499     assert(0 && "Expected Instruction, GlobalVariable or Function");
1500     return nullptr;
1501   }
1502   *Length = S.size();
1503   return S.data();
1504 }
1505
1506 unsigned LLVMGetDebugLocLine(LLVMValueRef Val) {
1507   unsigned L = 0;
1508   if (const auto *I = dyn_cast<Instruction>(unwrap(Val))) {
1509     if (const auto &DL = I->getDebugLoc()) {
1510       L = DL->getLine();
1511     }
1512   } else if (const auto *GV = dyn_cast<GlobalVariable>(unwrap(Val))) {
1513     SmallVector<DIGlobalVariableExpression *, 1> GVEs;
1514     GV->getDebugInfo(GVEs);
1515     if (GVEs.size())
1516       if (const DIGlobalVariable *DGV = GVEs[0]->getVariable())
1517         L = DGV->getLine();
1518   } else if (const auto *F = dyn_cast<Function>(unwrap(Val))) {
1519     if (const DISubprogram *DSP = F->getSubprogram())
1520       L = DSP->getLine();
1521   } else {
1522     assert(0 && "Expected Instruction, GlobalVariable or Function");
1523     return -1;
1524   }
1525   return L;
1526 }
1527
1528 unsigned LLVMGetDebugLocColumn(LLVMValueRef Val) {
1529   unsigned C = 0;
1530   if (const auto *I = dyn_cast<Instruction>(unwrap(Val)))
1531     if (const auto &DL = I->getDebugLoc())
1532       C = DL->getColumn();
1533   return C;
1534 }
1535
1536 /*--.. Operations on scalar constants ......................................--*/
1537
1538 LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,
1539                           LLVMBool SignExtend) {
1540   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), N, SignExtend != 0));
1541 }
1542
1543 LLVMValueRef LLVMConstIntOfArbitraryPrecision(LLVMTypeRef IntTy,
1544                                               unsigned NumWords,
1545                                               const uint64_t Words[]) {
1546     IntegerType *Ty = unwrap<IntegerType>(IntTy);
1547     return wrap(ConstantInt::get(
1548         Ty->getContext(), APInt(Ty->getBitWidth(), ArrayRef(Words, NumWords))));
1549 }
1550
1551 LLVMValueRef LLVMConstIntOfString(LLVMTypeRef IntTy, const char Str[],
1552                                   uint8_t Radix) {
1553   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str),
1554                                Radix));
1555 }
1556
1557 LLVMValueRef LLVMConstIntOfStringAndSize(LLVMTypeRef IntTy, const char Str[],
1558                                          unsigned SLen, uint8_t Radix) {
1559   return wrap(ConstantInt::get(unwrap<IntegerType>(IntTy), StringRef(Str, SLen),
1560                                Radix));
1561 }
1562
1563 LLVMValueRef LLVMConstReal(LLVMTypeRef RealTy, double N) {
1564   return wrap(ConstantFP::get(unwrap(RealTy), N));
1565 }
1566
1567 LLVMValueRef LLVMConstRealOfString(LLVMTypeRef RealTy, const char *Text) {
1568   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Text)));
1569 }
1570
1571 LLVMValueRef LLVMConstRealOfStringAndSize(LLVMTypeRef RealTy, const char Str[],
1572                                           unsigned SLen) {
1573   return wrap(ConstantFP::get(unwrap(RealTy), StringRef(Str, SLen)));
1574 }
1575
1576 unsigned long long LLVMConstIntGetZExtValue(LLVMValueRef ConstantVal) {
1577   return unwrap<ConstantInt>(ConstantVal)->getZExtValue();
1578 }
1579
1580 long long LLVMConstIntGetSExtValue(LLVMValueRef ConstantVal) {
1581   return unwrap<ConstantInt>(ConstantVal)->getSExtValue();
1582 }
1583
1584 double LLVMConstRealGetDouble(LLVMValueRef ConstantVal, LLVMBool *LosesInfo) {
1585   ConstantFP *cFP = unwrap<ConstantFP>(ConstantVal) ;
1586   Type *Ty = cFP->getType();
1587
1588   if (Ty->isHalfTy() || Ty->isBFloatTy() || Ty->isFloatTy() ||
1589       Ty->isDoubleTy()) {
1590     *LosesInfo = false;
1591     return cFP->getValueAPF().convertToDouble();
1592   }
1593
1594   bool APFLosesInfo;
1595   APFloat APF = cFP->getValueAPF();
1596   APF.convert(APFloat::IEEEdouble(), APFloat::rmNearestTiesToEven, &APFLosesInfo);
1597   *LosesInfo = APFLosesInfo;
1598   return APF.convertToDouble();
1599 }
1600
1601 /*--.. Operations on composite constants ...................................--*/
1602
1603 LLVMValueRef LLVMConstStringInContext(LLVMContextRef C, const char *Str,
1604                                       unsigned Length,
1605                                       LLVMBool DontNullTerminate) {
1606   /* Inverted the sense of AddNull because ', 0)' is a
1607      better mnemonic for null termination than ', 1)'. */
1608   return wrap(ConstantDataArray::getString(*unwrap(C), StringRef(Str, Length),
1609                                            DontNullTerminate == 0));
1610 }
1611
1612 LLVMValueRef LLVMConstStringInContext2(LLVMContextRef C, const char *Str,
1613                                        size_t Length,
1614                                        LLVMBool DontNullTerminate) {
1615   /* Inverted the sense of AddNull because ', 0)' is a
1616      better mnemonic for null termination than ', 1)'. */
1617   return wrap(ConstantDataArray::getString(*unwrap(C), StringRef(Str, Length),
1618                                            DontNullTerminate == 0));
1619 }
1620
1621 LLVMValueRef LLVMConstString(const char *Str, unsigned Length,
1622                              LLVMBool DontNullTerminate) {
1623   return LLVMConstStringInContext(LLVMGetGlobalContext(), Str, Length,
1624                                   DontNullTerminate);
1625 }
1626
1627 LLVMValueRef LLVMGetAggregateElement(LLVMValueRef C, unsigned Idx) {
1628   return wrap(unwrap<Constant>(C)->getAggregateElement(Idx));
1629 }
1630
1631 LLVMValueRef LLVMGetElementAsConstant(LLVMValueRef C, unsigned idx) {
1632   return wrap(unwrap<ConstantDataSequential>(C)->getElementAsConstant(idx));
1633 }
1634
1635 LLVMBool LLVMIsConstantString(LLVMValueRef C) {
1636   return unwrap<ConstantDataSequential>(C)->isString();
1637 }
1638
1639 const char *LLVMGetAsString(LLVMValueRef C, size_t *Length) {
1640   StringRef Str = unwrap<ConstantDataSequential>(C)->getAsString();
1641   *Length = Str.size();
1642   return Str.data();
1643 }
1644
1645 LLVMValueRef LLVMConstArray(LLVMTypeRef ElementTy,
1646                             LLVMValueRef *ConstantVals, unsigned Length) {
1647   ArrayRef<Constant*> V(unwrap<Constant>(ConstantVals, Length), Length);
1648   return wrap(ConstantArray::get(ArrayType::get(unwrap(ElementTy), Length), V));
1649 }
1650
1651 LLVMValueRef LLVMConstArray2(LLVMTypeRef ElementTy, LLVMValueRef *ConstantVals,
1652                              uint64_t Length) {
1653   ArrayRef<Constant *> V(unwrap<Constant>(ConstantVals, Length), Length);
1654   return wrap(ConstantArray::get(ArrayType::get(unwrap(ElementTy), Length), V));
1655 }
1656
1657 LLVMValueRef LLVMConstStructInContext(LLVMContextRef C,
1658                                       LLVMValueRef *ConstantVals,
1659                                       unsigned Count, LLVMBool Packed) {
1660   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
1661   return wrap(ConstantStruct::getAnon(*unwrap(C), ArrayRef(Elements, Count),
1662                                       Packed != 0));
1663 }
1664
1665 LLVMValueRef LLVMConstStruct(LLVMValueRef *ConstantVals, unsigned Count,
1666                              LLVMBool Packed) {
1667   return LLVMConstStructInContext(LLVMGetGlobalContext(), ConstantVals, Count,
1668                                   Packed);
1669 }
1670
1671 LLVMValueRef LLVMConstNamedStruct(LLVMTypeRef StructTy,
1672                                   LLVMValueRef *ConstantVals,
1673                                   unsigned Count) {
1674   Constant **Elements = unwrap<Constant>(ConstantVals, Count);
1675   StructType *Ty = unwrap<StructType>(StructTy);
1676
1677   return wrap(ConstantStruct::get(Ty, ArrayRef(Elements, Count)));
1678 }
1679
1680 LLVMValueRef LLVMConstVector(LLVMValueRef *ScalarConstantVals, unsigned Size) {
1681   return wrap(ConstantVector::get(
1682       ArrayRef(unwrap<Constant>(ScalarConstantVals, Size), Size)));
1683 }
1684
1685 LLVMValueRef LLVMConstantPtrAuth(LLVMValueRef Ptr, LLVMValueRef Key,
1686                                  LLVMValueRef Disc, LLVMValueRef AddrDisc) {
1687   return wrap(ConstantPtrAuth::get(
1688       unwrap<Constant>(Ptr), unwrap<ConstantInt>(Key),
1689       unwrap<ConstantInt>(Disc), unwrap<Constant>(AddrDisc)));
1690 }
1691
1692 /*-- Opcode mapping */
1693
1694 static LLVMOpcode map_to_llvmopcode(int opcode)
1695 {
1696     switch (opcode) {
1697       default: llvm_unreachable("Unhandled Opcode.");
1698 #define HANDLE_INST(num, opc, clas) case num: return LLVM##opc;
1699 #include "llvm/IR/Instruction.def"
1700 #undef HANDLE_INST
1701     }
1702 }
1703
1704 static int map_from_llvmopcode(LLVMOpcode code)
1705 {
1706     switch (code) {
1707 #define HANDLE_INST(num, opc, clas) case LLVM##opc: return num;
1708 #include "llvm/IR/Instruction.def"
1709 #undef HANDLE_INST
1710     }
1711     llvm_unreachable("Unhandled Opcode.");
1712 }
1713
1714 /*-- GEP wrap flag conversions */
1715
1716 static GEPNoWrapFlags mapFromLLVMGEPNoWrapFlags(LLVMGEPNoWrapFlags GEPFlags) {
1717   GEPNoWrapFlags NewGEPFlags;
1718   if ((GEPFlags & LLVMGEPFlagInBounds) != 0)
1719     NewGEPFlags |= GEPNoWrapFlags::inBounds();
1720   if ((GEPFlags & LLVMGEPFlagNUSW) != 0)
1721     NewGEPFlags |= GEPNoWrapFlags::noUnsignedSignedWrap();
1722   if ((GEPFlags & LLVMGEPFlagNUW) != 0)
1723     NewGEPFlags |= GEPNoWrapFlags::noUnsignedWrap();
1724
1725   return NewGEPFlags;
1726 }
1727
1728 static LLVMGEPNoWrapFlags mapToLLVMGEPNoWrapFlags(GEPNoWrapFlags GEPFlags) {
1729   LLVMGEPNoWrapFlags NewGEPFlags = 0;
1730   if (GEPFlags.isInBounds())
1731     NewGEPFlags |= LLVMGEPFlagInBounds;
1732   if (GEPFlags.hasNoUnsignedSignedWrap())
1733     NewGEPFlags |= LLVMGEPFlagNUSW;
1734   if (GEPFlags.hasNoUnsignedWrap())
1735     NewGEPFlags |= LLVMGEPFlagNUW;
1736
1737   return NewGEPFlags;
1738 }
1739
1740 /*--.. Constant expressions ................................................--*/
1741
1742 LLVMOpcode LLVMGetConstOpcode(LLVMValueRef ConstantVal) {
1743   return map_to_llvmopcode(unwrap<ConstantExpr>(ConstantVal)->getOpcode());
1744 }
1745
1746 LLVMValueRef LLVMAlignOf(LLVMTypeRef Ty) {
1747   return wrap(ConstantExpr::getAlignOf(unwrap(Ty)));
1748 }
1749
1750 LLVMValueRef LLVMSizeOf(LLVMTypeRef Ty) {
1751   return wrap(ConstantExpr::getSizeOf(unwrap(Ty)));
1752 }
1753
1754 LLVMValueRef LLVMConstNeg(LLVMValueRef ConstantVal) {
1755   return wrap(ConstantExpr::getNeg(unwrap<Constant>(ConstantVal)));
1756 }
1757
1758 LLVMValueRef LLVMConstNSWNeg(LLVMValueRef ConstantVal) {
1759   return wrap(ConstantExpr::getNSWNeg(unwrap<Constant>(ConstantVal)));
1760 }
1761
1762 LLVMValueRef LLVMConstNUWNeg(LLVMValueRef ConstantVal) {
1763   return wrap(ConstantExpr::getNeg(unwrap<Constant>(ConstantVal)));
1764 }
1765
1766
1767 LLVMValueRef LLVMConstNot(LLVMValueRef ConstantVal) {
1768   return wrap(ConstantExpr::getNot(unwrap<Constant>(ConstantVal)));
1769 }
1770
1771 LLVMValueRef LLVMConstAdd(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1772   return wrap(ConstantExpr::getAdd(unwrap<Constant>(LHSConstant),
1773                                    unwrap<Constant>(RHSConstant)));
1774 }
1775
1776 LLVMValueRef LLVMConstNSWAdd(LLVMValueRef LHSConstant,
1777                              LLVMValueRef RHSConstant) {
1778   return wrap(ConstantExpr::getNSWAdd(unwrap<Constant>(LHSConstant),
1779                                       unwrap<Constant>(RHSConstant)));
1780 }
1781
1782 LLVMValueRef LLVMConstNUWAdd(LLVMValueRef LHSConstant,
1783                              LLVMValueRef RHSConstant) {
1784   return wrap(ConstantExpr::getNUWAdd(unwrap<Constant>(LHSConstant),
1785                                       unwrap<Constant>(RHSConstant)));
1786 }
1787
1788 LLVMValueRef LLVMConstSub(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1789   return wrap(ConstantExpr::getSub(unwrap<Constant>(LHSConstant),
1790                                    unwrap<Constant>(RHSConstant)));
1791 }
1792
1793 LLVMValueRef LLVMConstNSWSub(LLVMValueRef LHSConstant,
1794                              LLVMValueRef RHSConstant) {
1795   return wrap(ConstantExpr::getNSWSub(unwrap<Constant>(LHSConstant),
1796                                       unwrap<Constant>(RHSConstant)));
1797 }
1798
1799 LLVMValueRef LLVMConstNUWSub(LLVMValueRef LHSConstant,
1800                              LLVMValueRef RHSConstant) {
1801   return wrap(ConstantExpr::getNUWSub(unwrap<Constant>(LHSConstant),
1802                                       unwrap<Constant>(RHSConstant)));
1803 }
1804
1805 LLVMValueRef LLVMConstMul(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1806   return wrap(ConstantExpr::getMul(unwrap<Constant>(LHSConstant),
1807                                    unwrap<Constant>(RHSConstant)));
1808 }
1809
1810 LLVMValueRef LLVMConstNSWMul(LLVMValueRef LHSConstant,
1811                              LLVMValueRef RHSConstant) {
1812   return wrap(ConstantExpr::getNSWMul(unwrap<Constant>(LHSConstant),
1813                                       unwrap<Constant>(RHSConstant)));
1814 }
1815
1816 LLVMValueRef LLVMConstNUWMul(LLVMValueRef LHSConstant,
1817                              LLVMValueRef RHSConstant) {
1818   return wrap(ConstantExpr::getNUWMul(unwrap<Constant>(LHSConstant),
1819                                       unwrap<Constant>(RHSConstant)));
1820 }
1821
1822 LLVMValueRef LLVMConstXor(LLVMValueRef LHSConstant, LLVMValueRef RHSConstant) {
1823   return wrap(ConstantExpr::getXor(unwrap<Constant>(LHSConstant),
1824                                    unwrap<Constant>(RHSConstant)));
1825 }
1826
1827 LLVMValueRef LLVMConstGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
1828                            LLVMValueRef *ConstantIndices, unsigned NumIndices) {
1829   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1830                                NumIndices);
1831   Constant *Val = unwrap<Constant>(ConstantVal);
1832   return wrap(ConstantExpr::getGetElementPtr(unwrap(Ty), Val, IdxList));
1833 }
1834
1835 LLVMValueRef LLVMConstInBoundsGEP2(LLVMTypeRef Ty, LLVMValueRef ConstantVal,
1836                                    LLVMValueRef *ConstantIndices,
1837                                    unsigned NumIndices) {
1838   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1839                                NumIndices);
1840   Constant *Val = unwrap<Constant>(ConstantVal);
1841   return wrap(ConstantExpr::getInBoundsGetElementPtr(unwrap(Ty), Val, IdxList));
1842 }
1843
1844 LLVMValueRef LLVMConstGEPWithNoWrapFlags(LLVMTypeRef Ty,
1845                                          LLVMValueRef ConstantVal,
1846                                          LLVMValueRef *ConstantIndices,
1847                                          unsigned NumIndices,
1848                                          LLVMGEPNoWrapFlags NoWrapFlags) {
1849   ArrayRef<Constant *> IdxList(unwrap<Constant>(ConstantIndices, NumIndices),
1850                                NumIndices);
1851   Constant *Val = unwrap<Constant>(ConstantVal);
1852   return wrap(ConstantExpr::getGetElementPtr(
1853       unwrap(Ty), Val, IdxList, mapFromLLVMGEPNoWrapFlags(NoWrapFlags)));
1854 }
1855
1856 LLVMValueRef LLVMConstTrunc(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1857   return wrap(ConstantExpr::getTrunc(unwrap<Constant>(ConstantVal),
1858                                      unwrap(ToType)));
1859 }
1860
1861 LLVMValueRef LLVMConstPtrToInt(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1862   return wrap(ConstantExpr::getPtrToInt(unwrap<Constant>(ConstantVal),
1863                                         unwrap(ToType)));
1864 }
1865
1866 LLVMValueRef LLVMConstIntToPtr(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1867   return wrap(ConstantExpr::getIntToPtr(unwrap<Constant>(ConstantVal),
1868                                         unwrap(ToType)));
1869 }
1870
1871 LLVMValueRef LLVMConstBitCast(LLVMValueRef ConstantVal, LLVMTypeRef ToType) {
1872   return wrap(ConstantExpr::getBitCast(unwrap<Constant>(ConstantVal),
1873                                        unwrap(ToType)));
1874 }
1875
1876 LLVMValueRef LLVMConstAddrSpaceCast(LLVMValueRef ConstantVal,
1877                                     LLVMTypeRef ToType) {
1878   return wrap(ConstantExpr::getAddrSpaceCast(unwrap<Constant>(ConstantVal),
1879                                              unwrap(ToType)));
1880 }
1881
1882 LLVMValueRef LLVMConstTruncOrBitCast(LLVMValueRef ConstantVal,
1883                                      LLVMTypeRef ToType) {
1884   return wrap(ConstantExpr::getTruncOrBitCast(unwrap<Constant>(ConstantVal),
1885                                               unwrap(ToType)));
1886 }
1887
1888 LLVMValueRef LLVMConstPointerCast(LLVMValueRef ConstantVal,
1889                                   LLVMTypeRef ToType) {
1890   return wrap(ConstantExpr::getPointerCast(unwrap<Constant>(ConstantVal),
1891                                            unwrap(ToType)));
1892 }
1893
1894 LLVMValueRef LLVMConstExtractElement(LLVMValueRef VectorConstant,
1895                                      LLVMValueRef IndexConstant) {
1896   return wrap(ConstantExpr::getExtractElement(unwrap<Constant>(VectorConstant),
1897                                               unwrap<Constant>(IndexConstant)));
1898 }
1899
1900 LLVMValueRef LLVMConstInsertElement(LLVMValueRef VectorConstant,
1901                                     LLVMValueRef ElementValueConstant,
1902                                     LLVMValueRef IndexConstant) {
1903   return wrap(ConstantExpr::getInsertElement(unwrap<Constant>(VectorConstant),
1904                                          unwrap<Constant>(ElementValueConstant),
1905                                              unwrap<Constant>(IndexConstant)));
1906 }
1907
1908 LLVMValueRef LLVMConstShuffleVector(LLVMValueRef VectorAConstant,
1909                                     LLVMValueRef VectorBConstant,
1910                                     LLVMValueRef MaskConstant) {
1911   SmallVector<int, 16> IntMask;
1912   ShuffleVectorInst::getShuffleMask(unwrap<Constant>(MaskConstant), IntMask);
1913   return wrap(ConstantExpr::getShuffleVector(unwrap<Constant>(VectorAConstant),
1914                                              unwrap<Constant>(VectorBConstant),
1915                                              IntMask));
1916 }
1917
1918 LLVMValueRef LLVMConstInlineAsm(LLVMTypeRef Ty, const char *AsmString,
1919                                 const char *Constraints,
1920                                 LLVMBool HasSideEffects,
1921                                 LLVMBool IsAlignStack) {
1922   return wrap(InlineAsm::get(dyn_cast<FunctionType>(unwrap(Ty)), AsmString,
1923                              Constraints, HasSideEffects, IsAlignStack));
1924 }
1925
1926 LLVMValueRef LLVMBlockAddress(LLVMValueRef F, LLVMBasicBlockRef BB) {
1927   return wrap(BlockAddress::get(unwrap<Function>(F), unwrap(BB)));
1928 }
1929
1930 LLVMValueRef LLVMGetBlockAddressFunction(LLVMValueRef BlockAddr) {
1931   return wrap(unwrap<BlockAddress>(BlockAddr)->getFunction());
1932 }
1933
1934 LLVMBasicBlockRef LLVMGetBlockAddressBasicBlock(LLVMValueRef BlockAddr) {
1935   return wrap(unwrap<BlockAddress>(BlockAddr)->getBasicBlock());
1936 }
1937
1938 /*--.. Operations on global variables, functions, and aliases (globals) ....--*/
1939
1940 LLVMModuleRef LLVMGetGlobalParent(LLVMValueRef Global) {
1941   return wrap(unwrap<GlobalValue>(Global)->getParent());
1942 }
1943
1944 LLVMBool LLVMIsDeclaration(LLVMValueRef Global) {
1945   return unwrap<GlobalValue>(Global)->isDeclaration();
1946 }
1947
1948 LLVMLinkage LLVMGetLinkage(LLVMValueRef Global) {
1949   switch (unwrap<GlobalValue>(Global)->getLinkage()) {
1950   case GlobalValue::ExternalLinkage:
1951     return LLVMExternalLinkage;
1952   case GlobalValue::AvailableExternallyLinkage:
1953     return LLVMAvailableExternallyLinkage;
1954   case GlobalValue::LinkOnceAnyLinkage:
1955     return LLVMLinkOnceAnyLinkage;
1956   case GlobalValue::LinkOnceODRLinkage:
1957     return LLVMLinkOnceODRLinkage;
1958   case GlobalValue::WeakAnyLinkage:
1959     return LLVMWeakAnyLinkage;
1960   case GlobalValue::WeakODRLinkage:
1961     return LLVMWeakODRLinkage;
1962   case GlobalValue::AppendingLinkage:
1963     return LLVMAppendingLinkage;
1964   case GlobalValue::InternalLinkage:
1965     return LLVMInternalLinkage;
1966   case GlobalValue::PrivateLinkage:
1967     return LLVMPrivateLinkage;
1968   case GlobalValue::ExternalWeakLinkage:
1969     return LLVMExternalWeakLinkage;
1970   case GlobalValue::CommonLinkage:
1971     return LLVMCommonLinkage;
1972   }
1973
1974   llvm_unreachable("Invalid GlobalValue linkage!");
1975 }
1976
1977 void LLVMSetLinkage(LLVMValueRef Global, LLVMLinkage Linkage) {
1978   GlobalValue *GV = unwrap<GlobalValue>(Global);
1979
1980   switch (Linkage) {
1981   case LLVMExternalLinkage:
1982     GV->setLinkage(GlobalValue::ExternalLinkage);
1983     break;
1984   case LLVMAvailableExternallyLinkage:
1985     GV->setLinkage(GlobalValue::AvailableExternallyLinkage);
1986     break;
1987   case LLVMLinkOnceAnyLinkage:
1988     GV->setLinkage(GlobalValue::LinkOnceAnyLinkage);
1989     break;
1990   case LLVMLinkOnceODRLinkage:
1991     GV->setLinkage(GlobalValue::LinkOnceODRLinkage);
1992     break;
1993   case LLVMLinkOnceODRAutoHideLinkage:
1994     LLVM_DEBUG(
1995         errs() << "LLVMSetLinkage(): LLVMLinkOnceODRAutoHideLinkage is no "
1996                   "longer supported.");
1997     break;
1998   case LLVMWeakAnyLinkage:
1999     GV->setLinkage(GlobalValue::WeakAnyLinkage);
2000     break;
2001   case LLVMWeakODRLinkage:
2002     GV->setLinkage(GlobalValue::WeakODRLinkage);
2003     break;
2004   case LLVMAppendingLinkage:
2005     GV->setLinkage(GlobalValue::AppendingLinkage);
2006     break;
2007   case LLVMInternalLinkage:
2008     GV->setLinkage(GlobalValue::InternalLinkage);
2009     break;
2010   case LLVMPrivateLinkage:
2011     GV->setLinkage(GlobalValue::PrivateLinkage);
2012     break;
2013   case LLVMLinkerPrivateLinkage:
2014     GV->setLinkage(GlobalValue::PrivateLinkage);
2015     break;
2016   case LLVMLinkerPrivateWeakLinkage:
2017     GV->setLinkage(GlobalValue::PrivateLinkage);
2018     break;
2019   case LLVMDLLImportLinkage:
2020     LLVM_DEBUG(
2021         errs()
2022         << "LLVMSetLinkage(): LLVMDLLImportLinkage is no longer supported.");
2023     break;
2024   case LLVMDLLExportLinkage:
2025     LLVM_DEBUG(
2026         errs()
2027         << "LLVMSetLinkage(): LLVMDLLExportLinkage is no longer supported.");
2028     break;
2029   case LLVMExternalWeakLinkage:
2030     GV->setLinkage(GlobalValue::ExternalWeakLinkage);
2031     break;
2032   case LLVMGhostLinkage:
2033     LLVM_DEBUG(
2034         errs() << "LLVMSetLinkage(): LLVMGhostLinkage is no longer supported.");
2035     break;
2036   case LLVMCommonLinkage:
2037     GV->setLinkage(GlobalValue::CommonLinkage);
2038     break;
2039   }
2040 }
2041
2042 const char *LLVMGetSection(LLVMValueRef Global) {
2043   // Using .data() is safe because of how GlobalObject::setSection is
2044   // implemented.
2045   return unwrap<GlobalValue>(Global)->getSection().data();
2046 }
2047
2048 void LLVMSetSection(LLVMValueRef Global, const char *Section) {
2049   unwrap<GlobalObject>(Global)->setSection(Section);
2050 }
2051
2052 LLVMVisibility LLVMGetVisibility(LLVMValueRef Global) {
2053   return static_cast<LLVMVisibility>(
2054     unwrap<GlobalValue>(Global)->getVisibility());
2055 }
2056
2057 void LLVMSetVisibility(LLVMValueRef Global, LLVMVisibility Viz) {
2058   unwrap<GlobalValue>(Global)
2059     ->setVisibility(static_cast<GlobalValue::VisibilityTypes>(Viz));
2060 }
2061
2062 LLVMDLLStorageClass LLVMGetDLLStorageClass(LLVMValueRef Global) {
2063   return static_cast<LLVMDLLStorageClass>(
2064       unwrap<GlobalValue>(Global)->getDLLStorageClass());
2065 }
2066
2067 void LLVMSetDLLStorageClass(LLVMValueRef Global, LLVMDLLStorageClass Class) {
2068   unwrap<GlobalValue>(Global)->setDLLStorageClass(
2069       static_cast<GlobalValue::DLLStorageClassTypes>(Class));
2070 }
2071
2072 LLVMUnnamedAddr LLVMGetUnnamedAddress(LLVMValueRef Global) {
2073   switch (unwrap<GlobalValue>(Global)->getUnnamedAddr()) {
2074   case GlobalVariable::UnnamedAddr::None:
2075     return LLVMNoUnnamedAddr;
2076   case GlobalVariable::UnnamedAddr::Local:
2077     return LLVMLocalUnnamedAddr;
2078   case GlobalVariable::UnnamedAddr::Global:
2079     return LLVMGlobalUnnamedAddr;
2080   }
2081   llvm_unreachable("Unknown UnnamedAddr kind!");
2082 }
2083
2084 void LLVMSetUnnamedAddress(LLVMValueRef Global, LLVMUnnamedAddr UnnamedAddr) {
2085   GlobalValue *GV = unwrap<GlobalValue>(Global);
2086
2087   switch (UnnamedAddr) {
2088   case LLVMNoUnnamedAddr:
2089     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::None);
2090   case LLVMLocalUnnamedAddr:
2091     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::Local);
2092   case LLVMGlobalUnnamedAddr:
2093     return GV->setUnnamedAddr(GlobalVariable::UnnamedAddr::Global);
2094   }
2095 }
2096
2097 LLVMBool LLVMHasUnnamedAddr(LLVMValueRef Global) {
2098   return unwrap<GlobalValue>(Global)->hasGlobalUnnamedAddr();
2099 }
2100
2101 void LLVMSetUnnamedAddr(LLVMValueRef Global, LLVMBool HasUnnamedAddr) {
2102   unwrap<GlobalValue>(Global)->setUnnamedAddr(
2103       HasUnnamedAddr ? GlobalValue::UnnamedAddr::Global
2104                      : GlobalValue::UnnamedAddr::None);
2105 }
2106
2107 LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef Global) {
2108   return wrap(unwrap<GlobalValue>(Global)->getValueType());
2109 }
2110
2111 /*--.. Operations on global variables, load and store instructions .........--*/
2112
2113 unsigned LLVMGetAlignment(LLVMValueRef V) {
2114   Value *P = unwrap(V);
2115   if (GlobalObject *GV = dyn_cast<GlobalObject>(P))
2116     return GV->getAlign() ? GV->getAlign()->value() : 0;
2117   if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
2118     return AI->getAlign().value();
2119   if (LoadInst *LI = dyn_cast<LoadInst>(P))
2120     return LI->getAlign().value();
2121   if (StoreInst *SI = dyn_cast<StoreInst>(P))
2122     return SI->getAlign().value();
2123   if (AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(P))
2124     return RMWI->getAlign().value();
2125   if (AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(P))
2126     return CXI->getAlign().value();
2127
2128   llvm_unreachable(
2129       "only GlobalValue, AllocaInst, LoadInst, StoreInst, AtomicRMWInst, "
2130       "and AtomicCmpXchgInst have alignment");
2131 }
2132
2133 void LLVMSetAlignment(LLVMValueRef V, unsigned Bytes) {
2134   Value *P = unwrap(V);
2135   if (GlobalObject *GV = dyn_cast<GlobalObject>(P))
2136     GV->setAlignment(MaybeAlign(Bytes));
2137   else if (AllocaInst *AI = dyn_cast<AllocaInst>(P))
2138     AI->setAlignment(Align(Bytes));
2139   else if (LoadInst *LI = dyn_cast<LoadInst>(P))
2140     LI->setAlignment(Align(Bytes));
2141   else if (StoreInst *SI = dyn_cast<StoreInst>(P))
2142     SI->setAlignment(Align(Bytes));
2143   else if (AtomicRMWInst *RMWI = dyn_cast<AtomicRMWInst>(P))
2144     RMWI->setAlignment(Align(Bytes));
2145   else if (AtomicCmpXchgInst *CXI = dyn_cast<AtomicCmpXchgInst>(P))
2146     CXI->setAlignment(Align(Bytes));
2147   else
2148     llvm_unreachable(
2149         "only GlobalValue, AllocaInst, LoadInst, StoreInst, AtomicRMWInst, and "
2150         "and AtomicCmpXchgInst have alignment");
2151 }
2152
2153 LLVMValueMetadataEntry *LLVMGlobalCopyAllMetadata(LLVMValueRef Value,
2154                                                   size_t *NumEntries) {
2155   return llvm_getMetadata(NumEntries, [&Value](MetadataEntries &Entries) {
2156     Entries.clear();
2157     if (Instruction *Instr = dyn_cast<Instruction>(unwrap(Value))) {
2158       Instr->getAllMetadata(Entries);
2159     } else {
2160       unwrap<GlobalObject>(Value)->getAllMetadata(Entries);
2161     }
2162   });
2163 }
2164
2165 unsigned LLVMValueMetadataEntriesGetKind(LLVMValueMetadataEntry *Entries,
2166                                          unsigned Index) {
2167   LLVMOpaqueValueMetadataEntry MVE =
2168       static_cast<LLVMOpaqueValueMetadataEntry>(Entries[Index]);
2169   return MVE.Kind;
2170 }
2171
2172 LLVMMetadataRef
2173 LLVMValueMetadataEntriesGetMetadata(LLVMValueMetadataEntry *Entries,
2174                                     unsigned Index) {
2175   LLVMOpaqueValueMetadataEntry MVE =
2176       static_cast<LLVMOpaqueValueMetadataEntry>(Entries[Index]);
2177   return MVE.Metadata;
2178 }
2179
2180 void LLVMDisposeValueMetadataEntries(LLVMValueMetadataEntry *Entries) {
2181   free(Entries);
2182 }
2183
2184 void LLVMGlobalSetMetadata(LLVMValueRef Global, unsigned Kind,
2185                            LLVMMetadataRef MD) {
2186   unwrap<GlobalObject>(Global)->setMetadata(Kind, unwrap<MDNode>(MD));
2187 }
2188
2189 void LLVMGlobalEraseMetadata(LLVMValueRef Global, unsigned Kind) {
2190   unwrap<GlobalObject>(Global)->eraseMetadata(Kind);
2191 }
2192
2193 void LLVMGlobalClearMetadata(LLVMValueRef Global) {
2194   unwrap<GlobalObject>(Global)->clearMetadata();
2195 }
2196
2197 /*--.. Operations on global variables ......................................--*/
2198
2199 LLVMValueRef LLVMAddGlobal(LLVMModuleRef M, LLVMTypeRef Ty, const char *Name) {
2200   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
2201                                  GlobalValue::ExternalLinkage, nullptr, Name));
2202 }
2203
2204 LLVMValueRef LLVMAddGlobalInAddressSpace(LLVMModuleRef M, LLVMTypeRef Ty,
2205                                          const char *Name,
2206                                          unsigned AddressSpace) {
2207   return wrap(new GlobalVariable(*unwrap(M), unwrap(Ty), false,
2208                                  GlobalValue::ExternalLinkage, nullptr, Name,
2209                                  nullptr, GlobalVariable::NotThreadLocal,
2210                                  AddressSpace));
2211 }
2212
2213 LLVMValueRef LLVMGetNamedGlobal(LLVMModuleRef M, const char *Name) {
2214   return wrap(unwrap(M)->getNamedGlobal(Name));
2215 }
2216
2217 LLVMValueRef LLVMGetNamedGlobalWithLength(LLVMModuleRef M, const char *Name,
2218                                           size_t Length) {
2219   return wrap(unwrap(M)->getNamedGlobal(StringRef(Name, Length)));
2220 }
2221
2222 LLVMValueRef LLVMGetFirstGlobal(LLVMModuleRef M) {
2223   Module *Mod = unwrap(M);
2224   Module::global_iterator I = Mod->global_begin();
2225   if (I == Mod->global_end())
2226     return nullptr;
2227   return wrap(&*I);
2228 }
2229
2230 LLVMValueRef LLVMGetLastGlobal(LLVMModuleRef M) {
2231   Module *Mod = unwrap(M);
2232   Module::global_iterator I = Mod->global_end();
2233   if (I == Mod->global_begin())
2234     return nullptr;
2235   return wrap(&*--I);
2236 }
2237
2238 LLVMValueRef LLVMGetNextGlobal(LLVMValueRef GlobalVar) {
2239   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2240   Module::global_iterator I(GV);
2241   if (++I == GV->getParent()->global_end())
2242     return nullptr;
2243   return wrap(&*I);
2244 }
2245
2246 LLVMValueRef LLVMGetPreviousGlobal(LLVMValueRef GlobalVar) {
2247   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2248   Module::global_iterator I(GV);
2249   if (I == GV->getParent()->global_begin())
2250     return nullptr;
2251   return wrap(&*--I);
2252 }
2253
2254 void LLVMDeleteGlobal(LLVMValueRef GlobalVar) {
2255   unwrap<GlobalVariable>(GlobalVar)->eraseFromParent();
2256 }
2257
2258 LLVMValueRef LLVMGetInitializer(LLVMValueRef GlobalVar) {
2259   GlobalVariable* GV = unwrap<GlobalVariable>(GlobalVar);
2260   if ( !GV->hasInitializer() )
2261     return nullptr;
2262   return wrap(GV->getInitializer());
2263 }
2264
2265 void LLVMSetInitializer(LLVMValueRef GlobalVar, LLVMValueRef ConstantVal) {
2266   unwrap<GlobalVariable>(GlobalVar)->setInitializer(
2267       ConstantVal ? unwrap<Constant>(ConstantVal) : nullptr);
2268 }
2269
2270 LLVMBool LLVMIsThreadLocal(LLVMValueRef GlobalVar) {
2271   return unwrap<GlobalVariable>(GlobalVar)->isThreadLocal();
2272 }
2273
2274 void LLVMSetThreadLocal(LLVMValueRef GlobalVar, LLVMBool IsThreadLocal) {
2275   unwrap<GlobalVariable>(GlobalVar)->setThreadLocal(IsThreadLocal != 0);
2276 }
2277
2278 LLVMBool LLVMIsGlobalConstant(LLVMValueRef GlobalVar) {
2279   return unwrap<GlobalVariable>(GlobalVar)->isConstant();
2280 }
2281
2282 void LLVMSetGlobalConstant(LLVMValueRef GlobalVar, LLVMBool IsConstant) {
2283   unwrap<GlobalVariable>(GlobalVar)->setConstant(IsConstant != 0);
2284 }
2285
2286 LLVMThreadLocalMode LLVMGetThreadLocalMode(LLVMValueRef GlobalVar) {
2287   switch (unwrap<GlobalVariable>(GlobalVar)->getThreadLocalMode()) {
2288   case GlobalVariable::NotThreadLocal:
2289     return LLVMNotThreadLocal;
2290   case GlobalVariable::GeneralDynamicTLSModel:
2291     return LLVMGeneralDynamicTLSModel;
2292   case GlobalVariable::LocalDynamicTLSModel:
2293     return LLVMLocalDynamicTLSModel;
2294   case GlobalVariable::InitialExecTLSModel:
2295     return LLVMInitialExecTLSModel;
2296   case GlobalVariable::LocalExecTLSModel:
2297     return LLVMLocalExecTLSModel;
2298   }
2299
2300   llvm_unreachable("Invalid GlobalVariable thread local mode");
2301 }
2302
2303 void LLVMSetThreadLocalMode(LLVMValueRef GlobalVar, LLVMThreadLocalMode Mode) {
2304   GlobalVariable *GV = unwrap<GlobalVariable>(GlobalVar);
2305
2306   switch (Mode) {
2307   case LLVMNotThreadLocal:
2308     GV->setThreadLocalMode(GlobalVariable::NotThreadLocal);
2309     break;
2310   case LLVMGeneralDynamicTLSModel:
2311     GV->setThreadLocalMode(GlobalVariable::GeneralDynamicTLSModel);
2312     break;
2313   case LLVMLocalDynamicTLSModel:
2314     GV->setThreadLocalMode(GlobalVariable::LocalDynamicTLSModel);
2315     break;
2316   case LLVMInitialExecTLSModel:
2317     GV->setThreadLocalMode(GlobalVariable::InitialExecTLSModel);
2318     break;
2319   case LLVMLocalExecTLSModel:
2320     GV->setThreadLocalMode(GlobalVariable::LocalExecTLSModel);
2321     break;
2322   }
2323 }
2324
2325 LLVMBool LLVMIsExternallyInitialized(LLVMValueRef GlobalVar) {
2326   return unwrap<GlobalVariable>(GlobalVar)->isExternallyInitialized();
2327 }
2328
2329 void LLVMSetExternallyInitialized(LLVMValueRef GlobalVar, LLVMBool IsExtInit) {
2330   unwrap<GlobalVariable>(GlobalVar)->setExternallyInitialized(IsExtInit);
2331 }
2332
2333 /*--.. Operations on aliases ......................................--*/
2334
2335 LLVMValueRef LLVMAddAlias2(LLVMModuleRef M, LLVMTypeRef ValueTy,
2336                            unsigned AddrSpace, LLVMValueRef Aliasee,
2337                            const char *Name) {
2338   return wrap(GlobalAlias::create(unwrap(ValueTy), AddrSpace,
2339                                   GlobalValue::ExternalLinkage, Name,
2340                                   unwrap<Constant>(Aliasee), unwrap(M)));
2341 }
2342
2343 LLVMValueRef LLVMGetNamedGlobalAlias(LLVMModuleRef M,
2344                                      const char *Name, size_t NameLen) {
2345   return wrap(unwrap(M)->getNamedAlias(StringRef(Name, NameLen)));
2346 }
2347
2348 LLVMValueRef LLVMGetFirstGlobalAlias(LLVMModuleRef M) {
2349   Module *Mod = unwrap(M);
2350   Module::alias_iterator I = Mod->alias_begin();
2351   if (I == Mod->alias_end())
2352     return nullptr;
2353   return wrap(&*I);
2354 }
2355
2356 LLVMValueRef LLVMGetLastGlobalAlias(LLVMModuleRef M) {
2357   Module *Mod = unwrap(M);
2358   Module::alias_iterator I = Mod->alias_end();
2359   if (I == Mod->alias_begin())
2360     return nullptr;
2361   return wrap(&*--I);
2362 }
2363
2364 LLVMValueRef LLVMGetNextGlobalAlias(LLVMValueRef GA) {
2365   GlobalAlias *Alias = unwrap<GlobalAlias>(GA);
2366   Module::alias_iterator I(Alias);
2367   if (++I == Alias->getParent()->alias_end())
2368     return nullptr;
2369   return wrap(&*I);
2370 }
2371
2372 LLVMValueRef LLVMGetPreviousGlobalAlias(LLVMValueRef GA) {
2373   GlobalAlias *Alias = unwrap<GlobalAlias>(GA);
2374   Module::alias_iterator I(Alias);
2375   if (I == Alias->getParent()->alias_begin())
2376     return nullptr;
2377   return wrap(&*--I);
2378 }
2379
2380 LLVMValueRef LLVMAliasGetAliasee(LLVMValueRef Alias) {
2381   return wrap(unwrap<GlobalAlias>(Alias)->getAliasee());
2382 }
2383
2384 void LLVMAliasSetAliasee(LLVMValueRef Alias, LLVMValueRef Aliasee) {
2385   unwrap<GlobalAlias>(Alias)->setAliasee(unwrap<Constant>(Aliasee));
2386 }
2387
2388 /*--.. Operations on functions .............................................--*/
2389
2390 LLVMValueRef LLVMAddFunction(LLVMModuleRef M, const char *Name,
2391                              LLVMTypeRef FunctionTy) {
2392   return wrap(Function::Create(unwrap<FunctionType>(FunctionTy),
2393                                GlobalValue::ExternalLinkage, Name, unwrap(M)));
2394 }
2395
2396 LLVMValueRef LLVMGetNamedFunction(LLVMModuleRef M, const char *Name) {
2397   return wrap(unwrap(M)->getFunction(Name));
2398 }
2399
2400 LLVMValueRef LLVMGetNamedFunctionWithLength(LLVMModuleRef M, const char *Name,
2401                                             size_t Length) {
2402   return wrap(unwrap(M)->getFunction(StringRef(Name, Length)));
2403 }
2404
2405 LLVMValueRef LLVMGetFirstFunction(LLVMModuleRef M) {
2406   Module *Mod = unwrap(M);
2407   Module::iterator I = Mod->begin();
2408   if (I == Mod->end())
2409     return nullptr;
2410   return wrap(&*I);
2411 }
2412
2413 LLVMValueRef LLVMGetLastFunction(LLVMModuleRef M) {
2414   Module *Mod = unwrap(M);
2415   Module::iterator I = Mod->end();
2416   if (I == Mod->begin())
2417     return nullptr;
2418   return wrap(&*--I);
2419 }
2420
2421 LLVMValueRef LLVMGetNextFunction(LLVMValueRef Fn) {
2422   Function *Func = unwrap<Function>(Fn);
2423   Module::iterator I(Func);
2424   if (++I == Func->getParent()->end())
2425     return nullptr;
2426   return wrap(&*I);
2427 }
2428
2429 LLVMValueRef LLVMGetPreviousFunction(LLVMValueRef Fn) {
2430   Function *Func = unwrap<Function>(Fn);
2431   Module::iterator I(Func);
2432   if (I == Func->getParent()->begin())
2433     return nullptr;
2434   return wrap(&*--I);
2435 }
2436
2437 void LLVMDeleteFunction(LLVMValueRef Fn) {
2438   unwrap<Function>(Fn)->eraseFromParent();
2439 }
2440
2441 LLVMBool LLVMHasPersonalityFn(LLVMValueRef Fn) {
2442   return unwrap<Function>(Fn)->hasPersonalityFn();
2443 }
2444
2445 LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn) {
2446   return wrap(unwrap<Function>(Fn)->getPersonalityFn());
2447 }
2448
2449 void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn) {
2450   unwrap<Function>(Fn)->setPersonalityFn(
2451       PersonalityFn ? unwrap<Constant>(PersonalityFn) : nullptr);
2452 }
2453
2454 unsigned LLVMGetIntrinsicID(LLVMValueRef Fn) {
2455   if (Function *F = dyn_cast<Function>(unwrap(Fn)))
2456     return F->getIntrinsicID();
2457   return 0;
2458 }
2459
2460 static Intrinsic::ID llvm_map_to_intrinsic_id(unsigned ID) {
2461   assert(ID < llvm::Intrinsic::num_intrinsics && "Intrinsic ID out of range");
2462   return llvm::Intrinsic::ID(ID);
2463 }
2464
2465 LLVMValueRef LLVMGetIntrinsicDeclaration(LLVMModuleRef Mod,
2466                                          unsigned ID,
2467                                          LLVMTypeRef *ParamTypes,
2468                                          size_t ParamCount) {
2469   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2470   auto IID = llvm_map_to_intrinsic_id(ID);
2471   return wrap(llvm::Intrinsic::getOrInsertDeclaration(unwrap(Mod), IID, Tys));
2472 }
2473
2474 const char *LLVMIntrinsicGetName(unsigned ID, size_t *NameLength) {
2475   auto IID = llvm_map_to_intrinsic_id(ID);
2476   auto Str = llvm::Intrinsic::getName(IID);
2477   *NameLength = Str.size();
2478   return Str.data();
2479 }
2480
2481 LLVMTypeRef LLVMIntrinsicGetType(LLVMContextRef Ctx, unsigned ID,
2482                                  LLVMTypeRef *ParamTypes, size_t ParamCount) {
2483   auto IID = llvm_map_to_intrinsic_id(ID);
2484   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2485   return wrap(llvm::Intrinsic::getType(*unwrap(Ctx), IID, Tys));
2486 }
2487
2488 char *LLVMIntrinsicCopyOverloadedName(unsigned ID, LLVMTypeRef *ParamTypes,
2489                                       size_t ParamCount, size_t *NameLength) {
2490   auto IID = llvm_map_to_intrinsic_id(ID);
2491   ArrayRef<Type*> Tys(unwrap(ParamTypes), ParamCount);
2492   auto Str = llvm::Intrinsic::getNameNoUnnamedTypes(IID, Tys);
2493   *NameLength = Str.length();
2494   return strdup(Str.c_str());
2495 }
2496
2497 char *LLVMIntrinsicCopyOverloadedName2(LLVMModuleRef Mod, unsigned ID,
2498                                        LLVMTypeRef *ParamTypes,
2499                                        size_t ParamCount, size_t *NameLength) {
2500   auto IID = llvm_map_to_intrinsic_id(ID);
2501   ArrayRef<Type *> Tys(unwrap(ParamTypes), ParamCount);
2502   auto Str = llvm::Intrinsic::getName(IID, Tys, unwrap(Mod));
2503   *NameLength = Str.length();
2504   return strdup(Str.c_str());
2505 }
2506
2507 unsigned LLVMLookupIntrinsicID(const char *Name, size_t NameLen) {
2508   return Intrinsic::lookupIntrinsicID({Name, NameLen});
2509 }
2510
2511 LLVMBool LLVMIntrinsicIsOverloaded(unsigned ID) {
2512   auto IID = llvm_map_to_intrinsic_id(ID);
2513   return llvm::Intrinsic::isOverloaded(IID);
2514 }
2515
2516 unsigned LLVMGetFunctionCallConv(LLVMValueRef Fn) {
2517   return unwrap<Function>(Fn)->getCallingConv();
2518 }
2519
2520 void LLVMSetFunctionCallConv(LLVMValueRef Fn, unsigned CC) {
2521   return unwrap<Function>(Fn)->setCallingConv(
2522     static_cast<CallingConv::ID>(CC));
2523 }
2524
2525 const char *LLVMGetGC(LLVMValueRef Fn) {
2526   Function *F = unwrap<Function>(Fn);
2527   return F->hasGC()? F->getGC().c_str() : nullptr;
2528 }
2529
2530 void LLVMSetGC(LLVMValueRef Fn, const char *GC) {
2531   Function *F = unwrap<Function>(Fn);
2532   if (GC)
2533     F->setGC(GC);
2534   else
2535     F->clearGC();
2536 }
2537
2538 LLVMValueRef LLVMGetPrefixData(LLVMValueRef Fn) {
2539   Function *F = unwrap<Function>(Fn);
2540   return wrap(F->getPrefixData());
2541 }
2542
2543 LLVMBool LLVMHasPrefixData(LLVMValueRef Fn) {
2544   Function *F = unwrap<Function>(Fn);
2545   return F->hasPrefixData();
2546 }
2547
2548 void LLVMSetPrefixData(LLVMValueRef Fn, LLVMValueRef prefixData) {
2549   Function *F = unwrap<Function>(Fn);
2550   Constant *prefix = unwrap<Constant>(prefixData);
2551   F->setPrefixData(prefix);
2552 }
2553
2554 LLVMValueRef LLVMGetPrologueData(LLVMValueRef Fn) {
2555   Function *F = unwrap<Function>(Fn);
2556   return wrap(F->getPrologueData());
2557 }
2558
2559 LLVMBool LLVMHasPrologueData(LLVMValueRef Fn) {
2560   Function *F = unwrap<Function>(Fn);
2561   return F->hasPrologueData();
2562 }
2563
2564 void LLVMSetPrologueData(LLVMValueRef Fn, LLVMValueRef prologueData) {
2565   Function *F = unwrap<Function>(Fn);
2566   Constant *prologue = unwrap<Constant>(prologueData);
2567   F->setPrologueData(prologue);
2568 }
2569
2570 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2571                              LLVMAttributeRef A) {
2572   unwrap<Function>(F)->addAttributeAtIndex(Idx, unwrap(A));
2573 }
2574
2575 unsigned LLVMGetAttributeCountAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx) {
2576   auto AS = unwrap<Function>(F)->getAttributes().getAttributes(Idx);
2577   return AS.getNumAttributes();
2578 }
2579
2580 void LLVMGetAttributesAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2581                               LLVMAttributeRef *Attrs) {
2582   auto AS = unwrap<Function>(F)->getAttributes().getAttributes(Idx);
2583   for (auto A : AS)
2584     *Attrs++ = wrap(A);
2585 }
2586
2587 LLVMAttributeRef LLVMGetEnumAttributeAtIndex(LLVMValueRef F,
2588                                              LLVMAttributeIndex Idx,
2589                                              unsigned KindID) {
2590   return wrap(unwrap<Function>(F)->getAttributeAtIndex(
2591       Idx, (Attribute::AttrKind)KindID));
2592 }
2593
2594 LLVMAttributeRef LLVMGetStringAttributeAtIndex(LLVMValueRef F,
2595                                                LLVMAttributeIndex Idx,
2596                                                const char *K, unsigned KLen) {
2597   return wrap(
2598       unwrap<Function>(F)->getAttributeAtIndex(Idx, StringRef(K, KLen)));
2599 }
2600
2601 void LLVMRemoveEnumAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2602                                     unsigned KindID) {
2603   unwrap<Function>(F)->removeAttributeAtIndex(Idx, (Attribute::AttrKind)KindID);
2604 }
2605
2606 void LLVMRemoveStringAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
2607                                       const char *K, unsigned KLen) {
2608   unwrap<Function>(F)->removeAttributeAtIndex(Idx, StringRef(K, KLen));
2609 }
2610
2611 void LLVMAddTargetDependentFunctionAttr(LLVMValueRef Fn, const char *A,
2612                                         const char *V) {
2613   Function *Func = unwrap<Function>(Fn);
2614   Attribute Attr = Attribute::get(Func->getContext(), A, V);
2615   Func->addFnAttr(Attr);
2616 }
2617
2618 /*--.. Operations on parameters ............................................--*/
2619
2620 unsigned LLVMCountParams(LLVMValueRef FnRef) {
2621   // This function is strictly redundant to
2622   //   LLVMCountParamTypes(LLVMGlobalGetValueType(FnRef))
2623   return unwrap<Function>(FnRef)->arg_size();
2624 }
2625
2626 void LLVMGetParams(LLVMValueRef FnRef, LLVMValueRef *ParamRefs) {
2627   Function *Fn = unwrap<Function>(FnRef);
2628   for (Argument &A : Fn->args())
2629     *ParamRefs++ = wrap(&A);
2630 }
2631
2632 LLVMValueRef LLVMGetParam(LLVMValueRef FnRef, unsigned index) {
2633   Function *Fn = unwrap<Function>(FnRef);
2634   return wrap(&Fn->arg_begin()[index]);
2635 }
2636
2637 LLVMValueRef LLVMGetParamParent(LLVMValueRef V) {
2638   return wrap(unwrap<Argument>(V)->getParent());
2639 }
2640
2641 LLVMValueRef LLVMGetFirstParam(LLVMValueRef Fn) {
2642   Function *Func = unwrap<Function>(Fn);
2643   Function::arg_iterator I = Func->arg_begin();
2644   if (I == Func->arg_end())
2645     return nullptr;
2646   return wrap(&*I);
2647 }
2648
2649 LLVMValueRef LLVMGetLastParam(LLVMValueRef Fn) {
2650   Function *Func = unwrap<Function>(Fn);
2651   Function::arg_iterator I = Func->arg_end();
2652   if (I == Func->arg_begin())
2653     return nullptr;
2654   return wrap(&*--I);
2655 }
2656
2657 LLVMValueRef LLVMGetNextParam(LLVMValueRef Arg) {
2658   Argument *A = unwrap<Argument>(Arg);
2659   Function *Fn = A->getParent();
2660   if (A->getArgNo() + 1 >= Fn->arg_size())
2661     return nullptr;
2662   return wrap(&Fn->arg_begin()[A->getArgNo() + 1]);
2663 }
2664
2665 LLVMValueRef LLVMGetPreviousParam(LLVMValueRef Arg) {
2666   Argument *A = unwrap<Argument>(Arg);
2667   if (A->getArgNo() == 0)
2668     return nullptr;
2669   return wrap(&A->getParent()->arg_begin()[A->getArgNo() - 1]);
2670 }
2671
2672 void LLVMSetParamAlignment(LLVMValueRef Arg, unsigned align) {
2673   Argument *A = unwrap<Argument>(Arg);
2674   A->addAttr(Attribute::getWithAlignment(A->getContext(), Align(align)));
2675 }
2676
2677 /*--.. Operations on ifuncs ................................................--*/
2678
2679 LLVMValueRef LLVMAddGlobalIFunc(LLVMModuleRef M,
2680                                 const char *Name, size_t NameLen,
2681                                 LLVMTypeRef Ty, unsigned AddrSpace,
2682                                 LLVMValueRef Resolver) {
2683   return wrap(GlobalIFunc::create(unwrap(Ty), AddrSpace,
2684                                   GlobalValue::ExternalLinkage,
2685                                   StringRef(Name, NameLen),
2686                                   unwrap<Constant>(Resolver), unwrap(M)));
2687 }
2688
2689 LLVMValueRef LLVMGetNamedGlobalIFunc(LLVMModuleRef M,
2690                                      const char *Name, size_t NameLen) {
2691   return wrap(unwrap(M)->getNamedIFunc(StringRef(Name, NameLen)));
2692 }
2693
2694 LLVMValueRef LLVMGetFirstGlobalIFunc(LLVMModuleRef M) {
2695   Module *Mod = unwrap(M);
2696   Module::ifunc_iterator I = Mod->ifunc_begin();
2697   if (I == Mod->ifunc_end())
2698     return nullptr;
2699   return wrap(&*I);
2700 }
2701
2702 LLVMValueRef LLVMGetLastGlobalIFunc(LLVMModuleRef M) {
2703   Module *Mod = unwrap(M);
2704   Module::ifunc_iterator I = Mod->ifunc_end();
2705   if (I == Mod->ifunc_begin())
2706     return nullptr;
2707   return wrap(&*--I);
2708 }
2709
2710 LLVMValueRef LLVMGetNextGlobalIFunc(LLVMValueRef IFunc) {
2711   GlobalIFunc *GIF = unwrap<GlobalIFunc>(IFunc);
2712   Module::ifunc_iterator I(GIF);
2713   if (++I == GIF->getParent()->ifunc_end())
2714     return nullptr;
2715   return wrap(&*I);
2716 }
2717
2718 LLVMValueRef LLVMGetPreviousGlobalIFunc(LLVMValueRef IFunc) {
2719   GlobalIFunc *GIF = unwrap<GlobalIFunc>(IFunc);
2720   Module::ifunc_iterator I(GIF);
2721   if (I == GIF->getParent()->ifunc_begin())
2722     return nullptr;
2723   return wrap(&*--I);
2724 }
2725
2726 LLVMValueRef LLVMGetGlobalIFuncResolver(LLVMValueRef IFunc) {
2727   return wrap(unwrap<GlobalIFunc>(IFunc)->getResolver());
2728 }
2729
2730 void LLVMSetGlobalIFuncResolver(LLVMValueRef IFunc, LLVMValueRef Resolver) {
2731   unwrap<GlobalIFunc>(IFunc)->setResolver(unwrap<Constant>(Resolver));
2732 }
2733
2734 void LLVMEraseGlobalIFunc(LLVMValueRef IFunc) {
2735   unwrap<GlobalIFunc>(IFunc)->eraseFromParent();
2736 }
2737
2738 void LLVMRemoveGlobalIFunc(LLVMValueRef IFunc) {
2739   unwrap<GlobalIFunc>(IFunc)->removeFromParent();
2740 }
2741
2742 /*--.. Operations on operand bundles........................................--*/
2743
2744 LLVMOperandBundleRef LLVMCreateOperandBundle(const char *Tag, size_t TagLen,
2745                                              LLVMValueRef *Args,
2746                                              unsigned NumArgs) {
2747   return wrap(new OperandBundleDef(std::string(Tag, TagLen),
2748                                    ArrayRef(unwrap(Args), NumArgs)));
2749 }
2750
2751 void LLVMDisposeOperandBundle(LLVMOperandBundleRef Bundle) {
2752   delete unwrap(Bundle);
2753 }
2754
2755 const char *LLVMGetOperandBundleTag(LLVMOperandBundleRef Bundle, size_t *Len) {
2756   StringRef Str = unwrap(Bundle)->getTag();
2757   *Len = Str.size();
2758   return Str.data();
2759 }
2760
2761 unsigned LLVMGetNumOperandBundleArgs(LLVMOperandBundleRef Bundle) {
2762   return unwrap(Bundle)->inputs().size();
2763 }
2764
2765 LLVMValueRef LLVMGetOperandBundleArgAtIndex(LLVMOperandBundleRef Bundle,
2766                                             unsigned Index) {
2767   return wrap(unwrap(Bundle)->inputs()[Index]);
2768 }
2769
2770 /*--.. Operations on basic blocks ..........................................--*/
2771
2772 LLVMValueRef LLVMBasicBlockAsValue(LLVMBasicBlockRef BB) {
2773   return wrap(static_cast<Value*>(unwrap(BB)));
2774 }
2775
2776 LLVMBool LLVMValueIsBasicBlock(LLVMValueRef Val) {
2777   return isa<BasicBlock>(unwrap(Val));
2778 }
2779
2780 LLVMBasicBlockRef LLVMValueAsBasicBlock(LLVMValueRef Val) {
2781   return wrap(unwrap<BasicBlock>(Val));
2782 }
2783
2784 const char *LLVMGetBasicBlockName(LLVMBasicBlockRef BB) {
2785   return unwrap(BB)->getName().data();
2786 }
2787
2788 LLVMValueRef LLVMGetBasicBlockParent(LLVMBasicBlockRef BB) {
2789   return wrap(unwrap(BB)->getParent());
2790 }
2791
2792 LLVMValueRef LLVMGetBasicBlockTerminator(LLVMBasicBlockRef BB) {
2793   return wrap(unwrap(BB)->getTerminator());
2794 }
2795
2796 unsigned LLVMCountBasicBlocks(LLVMValueRef FnRef) {
2797   return unwrap<Function>(FnRef)->size();
2798 }
2799
2800 void LLVMGetBasicBlocks(LLVMValueRef FnRef, LLVMBasicBlockRef *BasicBlocksRefs){
2801   Function *Fn = unwrap<Function>(FnRef);
2802   for (BasicBlock &BB : *Fn)
2803     *BasicBlocksRefs++ = wrap(&BB);
2804 }
2805
2806 LLVMBasicBlockRef LLVMGetEntryBasicBlock(LLVMValueRef Fn) {
2807   return wrap(&unwrap<Function>(Fn)->getEntryBlock());
2808 }
2809
2810 LLVMBasicBlockRef LLVMGetFirstBasicBlock(LLVMValueRef Fn) {
2811   Function *Func = unwrap<Function>(Fn);
2812   Function::iterator I = Func->begin();
2813   if (I == Func->end())
2814     return nullptr;
2815   return wrap(&*I);
2816 }
2817
2818 LLVMBasicBlockRef LLVMGetLastBasicBlock(LLVMValueRef Fn) {
2819   Function *Func = unwrap<Function>(Fn);
2820   Function::iterator I = Func->end();
2821   if (I == Func->begin())
2822     return nullptr;
2823   return wrap(&*--I);
2824 }
2825
2826 LLVMBasicBlockRef LLVMGetNextBasicBlock(LLVMBasicBlockRef BB) {
2827   BasicBlock *Block = unwrap(BB);
2828   Function::iterator I(Block);
2829   if (++I == Block->getParent()->end())
2830     return nullptr;
2831   return wrap(&*I);
2832 }
2833
2834 LLVMBasicBlockRef LLVMGetPreviousBasicBlock(LLVMBasicBlockRef BB) {
2835   BasicBlock *Block = unwrap(BB);
2836   Function::iterator I(Block);
2837   if (I == Block->getParent()->begin())
2838     return nullptr;
2839   return wrap(&*--I);
2840 }
2841
2842 LLVMBasicBlockRef LLVMCreateBasicBlockInContext(LLVMContextRef C,
2843                                                 const char *Name) {
2844   return wrap(llvm::BasicBlock::Create(*unwrap(C), Name));
2845 }
2846
2847 void LLVMInsertExistingBasicBlockAfterInsertBlock(LLVMBuilderRef Builder,
2848                                                   LLVMBasicBlockRef BB) {
2849   BasicBlock *ToInsert = unwrap(BB);
2850   BasicBlock *CurBB = unwrap(Builder)->GetInsertBlock();
2851   assert(CurBB && "current insertion point is invalid!");
2852   CurBB->getParent()->insert(std::next(CurBB->getIterator()), ToInsert);
2853 }
2854
2855 void LLVMAppendExistingBasicBlock(LLVMValueRef Fn,
2856                                   LLVMBasicBlockRef BB) {
2857   unwrap<Function>(Fn)->insert(unwrap<Function>(Fn)->end(), unwrap(BB));
2858 }
2859
2860 LLVMBasicBlockRef LLVMAppendBasicBlockInContext(LLVMContextRef C,
2861                                                 LLVMValueRef FnRef,
2862                                                 const char *Name) {
2863   return wrap(BasicBlock::Create(*unwrap(C), Name, unwrap<Function>(FnRef)));
2864 }
2865
2866 LLVMBasicBlockRef LLVMAppendBasicBlock(LLVMValueRef FnRef, const char *Name) {
2867   return LLVMAppendBasicBlockInContext(LLVMGetGlobalContext(), FnRef, Name);
2868 }
2869
2870 LLVMBasicBlockRef LLVMInsertBasicBlockInContext(LLVMContextRef C,
2871                                                 LLVMBasicBlockRef BBRef,
2872                                                 const char *Name) {
2873   BasicBlock *BB = unwrap(BBRef);
2874   return wrap(BasicBlock::Create(*unwrap(C), Name, BB->getParent(), BB));
2875 }
2876
2877 LLVMBasicBlockRef LLVMInsertBasicBlock(LLVMBasicBlockRef BBRef,
2878                                        const char *Name) {
2879   return LLVMInsertBasicBlockInContext(LLVMGetGlobalContext(), BBRef, Name);
2880 }
2881
2882 void LLVMDeleteBasicBlock(LLVMBasicBlockRef BBRef) {
2883   unwrap(BBRef)->eraseFromParent();
2884 }
2885
2886 void LLVMRemoveBasicBlockFromParent(LLVMBasicBlockRef BBRef) {
2887   unwrap(BBRef)->removeFromParent();
2888 }
2889
2890 void LLVMMoveBasicBlockBefore(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
2891   unwrap(BB)->moveBefore(unwrap(MovePos));
2892 }
2893
2894 void LLVMMoveBasicBlockAfter(LLVMBasicBlockRef BB, LLVMBasicBlockRef MovePos) {
2895   unwrap(BB)->moveAfter(unwrap(MovePos));
2896 }
2897
2898 /*--.. Operations on instructions ..........................................--*/
2899
2900 LLVMBasicBlockRef LLVMGetInstructionParent(LLVMValueRef Inst) {
2901   return wrap(unwrap<Instruction>(Inst)->getParent());
2902 }
2903
2904 LLVMValueRef LLVMGetFirstInstruction(LLVMBasicBlockRef BB) {
2905   BasicBlock *Block = unwrap(BB);
2906   BasicBlock::iterator I = Block->begin();
2907   if (I == Block->end())
2908     return nullptr;
2909   return wrap(&*I);
2910 }
2911
2912 LLVMValueRef LLVMGetLastInstruction(LLVMBasicBlockRef BB) {
2913   BasicBlock *Block = unwrap(BB);
2914   BasicBlock::iterator I = Block->end();
2915   if (I == Block->begin())
2916     return nullptr;
2917   return wrap(&*--I);
2918 }
2919
2920 LLVMValueRef LLVMGetNextInstruction(LLVMValueRef Inst) {
2921   Instruction *Instr = unwrap<Instruction>(Inst);
2922   BasicBlock::iterator I(Instr);
2923   if (++I == Instr->getParent()->end())
2924     return nullptr;
2925   return wrap(&*I);
2926 }
2927
2928 LLVMValueRef LLVMGetPreviousInstruction(LLVMValueRef Inst) {
2929   Instruction *Instr = unwrap<Instruction>(Inst);
2930   BasicBlock::iterator I(Instr);
2931   if (I == Instr->getParent()->begin())
2932     return nullptr;
2933   return wrap(&*--I);
2934 }
2935
2936 void LLVMInstructionRemoveFromParent(LLVMValueRef Inst) {
2937   unwrap<Instruction>(Inst)->removeFromParent();
2938 }
2939
2940 void LLVMInstructionEraseFromParent(LLVMValueRef Inst) {
2941   unwrap<Instruction>(Inst)->eraseFromParent();
2942 }
2943
2944 void LLVMDeleteInstruction(LLVMValueRef Inst) {
2945   unwrap<Instruction>(Inst)->deleteValue();
2946 }
2947
2948 LLVMIntPredicate LLVMGetICmpPredicate(LLVMValueRef Inst) {
2949   if (ICmpInst *I = dyn_cast<ICmpInst>(unwrap(Inst)))
2950     return (LLVMIntPredicate)I->getPredicate();
2951   return (LLVMIntPredicate)0;
2952 }
2953
2954 LLVMRealPredicate LLVMGetFCmpPredicate(LLVMValueRef Inst) {
2955   if (FCmpInst *I = dyn_cast<FCmpInst>(unwrap(Inst)))
2956     return (LLVMRealPredicate)I->getPredicate();
2957   return (LLVMRealPredicate)0;
2958 }
2959
2960 LLVMOpcode LLVMGetInstructionOpcode(LLVMValueRef Inst) {
2961   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2962     return map_to_llvmopcode(C->getOpcode());
2963   return (LLVMOpcode)0;
2964 }
2965
2966 LLVMValueRef LLVMInstructionClone(LLVMValueRef Inst) {
2967   if (Instruction *C = dyn_cast<Instruction>(unwrap(Inst)))
2968     return wrap(C->clone());
2969   return nullptr;
2970 }
2971
2972 LLVMValueRef LLVMIsATerminatorInst(LLVMValueRef Inst) {
2973   Instruction *I = dyn_cast<Instruction>(unwrap(Inst));
2974   return (I && I->isTerminator()) ? wrap(I) : nullptr;
2975 }
2976
2977 LLVMDbgRecordRef LLVMGetFirstDbgRecord(LLVMValueRef Inst) {
2978   Instruction *Instr = unwrap<Instruction>(Inst);
2979   auto I = Instr->DebugMarker->StoredDbgRecords.begin();
2980   if (I == Instr->DebugMarker->StoredDbgRecords.end())
2981     return nullptr;
2982   return wrap(&*I);
2983 }
2984
2985 LLVMDbgRecordRef LLVMGetLastDbgRecord(LLVMValueRef Inst) {
2986   Instruction *Instr = unwrap<Instruction>(Inst);
2987   auto I = Instr->DebugMarker->StoredDbgRecords.rbegin();
2988   if (I == Instr->DebugMarker->StoredDbgRecords.rend())
2989     return nullptr;
2990   return wrap(&*I);
2991 }
2992
2993 LLVMDbgRecordRef LLVMGetNextDbgRecord(LLVMDbgRecordRef Rec) {
2994   DbgRecord *Record = unwrap<DbgRecord>(Rec);
2995   simple_ilist<DbgRecord>::iterator I(Record);
2996   if (++I == Record->getInstruction()->DebugMarker->StoredDbgRecords.end())
2997     return nullptr;
2998   return wrap(&*I);
2999 }
3000
3001 LLVMDbgRecordRef LLVMGetPreviousDbgRecord(LLVMDbgRecordRef Rec) {
3002   DbgRecord *Record = unwrap<DbgRecord>(Rec);
3003   simple_ilist<DbgRecord>::iterator I(Record);
3004   if (I == Record->getInstruction()->DebugMarker->StoredDbgRecords.begin())
3005     return nullptr;
3006   return wrap(&*--I);
3007 }
3008
3009 unsigned LLVMGetNumArgOperands(LLVMValueRef Instr) {
3010   if (FuncletPadInst *FPI = dyn_cast<FuncletPadInst>(unwrap(Instr))) {
3011     return FPI->arg_size();
3012   }
3013   return unwrap<CallBase>(Instr)->arg_size();
3014 }
3015
3016 /*--.. Call and invoke instructions ........................................--*/
3017
3018 unsigned LLVMGetInstructionCallConv(LLVMValueRef Instr) {
3019   return unwrap<CallBase>(Instr)->getCallingConv();
3020 }
3021
3022 void LLVMSetInstructionCallConv(LLVMValueRef Instr, unsigned CC) {
3023   return unwrap<CallBase>(Instr)->setCallingConv(
3024       static_cast<CallingConv::ID>(CC));
3025 }
3026
3027 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, LLVMAttributeIndex Idx,
3028                                 unsigned align) {
3029   auto *Call = unwrap<CallBase>(Instr);
3030   Attribute AlignAttr =
3031       Attribute::getWithAlignment(Call->getContext(), Align(align));
3032   Call->addAttributeAtIndex(Idx, AlignAttr);
3033 }
3034
3035 void LLVMAddCallSiteAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3036                               LLVMAttributeRef A) {
3037   unwrap<CallBase>(C)->addAttributeAtIndex(Idx, unwrap(A));
3038 }
3039
3040 unsigned LLVMGetCallSiteAttributeCount(LLVMValueRef C,
3041                                        LLVMAttributeIndex Idx) {
3042   auto *Call = unwrap<CallBase>(C);
3043   auto AS = Call->getAttributes().getAttributes(Idx);
3044   return AS.getNumAttributes();
3045 }
3046
3047 void LLVMGetCallSiteAttributes(LLVMValueRef C, LLVMAttributeIndex Idx,
3048                                LLVMAttributeRef *Attrs) {
3049   auto *Call = unwrap<CallBase>(C);
3050   auto AS = Call->getAttributes().getAttributes(Idx);
3051   for (auto A : AS)
3052     *Attrs++ = wrap(A);
3053 }
3054
3055 LLVMAttributeRef LLVMGetCallSiteEnumAttribute(LLVMValueRef C,
3056                                               LLVMAttributeIndex Idx,
3057                                               unsigned KindID) {
3058   return wrap(unwrap<CallBase>(C)->getAttributeAtIndex(
3059       Idx, (Attribute::AttrKind)KindID));
3060 }
3061
3062 LLVMAttributeRef LLVMGetCallSiteStringAttribute(LLVMValueRef C,
3063                                                 LLVMAttributeIndex Idx,
3064                                                 const char *K, unsigned KLen) {
3065   return wrap(
3066       unwrap<CallBase>(C)->getAttributeAtIndex(Idx, StringRef(K, KLen)));
3067 }
3068
3069 void LLVMRemoveCallSiteEnumAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3070                                      unsigned KindID) {
3071   unwrap<CallBase>(C)->removeAttributeAtIndex(Idx, (Attribute::AttrKind)KindID);
3072 }
3073
3074 void LLVMRemoveCallSiteStringAttribute(LLVMValueRef C, LLVMAttributeIndex Idx,
3075                                        const char *K, unsigned KLen) {
3076   unwrap<CallBase>(C)->removeAttributeAtIndex(Idx, StringRef(K, KLen));
3077 }
3078
3079 LLVMValueRef LLVMGetCalledValue(LLVMValueRef Instr) {
3080   return wrap(unwrap<CallBase>(Instr)->getCalledOperand());
3081 }
3082
3083 LLVMTypeRef LLVMGetCalledFunctionType(LLVMValueRef Instr) {
3084   return wrap(unwrap<CallBase>(Instr)->getFunctionType());
3085 }
3086
3087 unsigned LLVMGetNumOperandBundles(LLVMValueRef C) {
3088   return unwrap<CallBase>(C)->getNumOperandBundles();
3089 }
3090
3091 LLVMOperandBundleRef LLVMGetOperandBundleAtIndex(LLVMValueRef C,
3092                                                  unsigned Index) {
3093   return wrap(
3094       new OperandBundleDef(unwrap<CallBase>(C)->getOperandBundleAt(Index)));
3095 }
3096
3097 /*--.. Operations on call instructions (only) ..............................--*/
3098
3099 LLVMBool LLVMIsTailCall(LLVMValueRef Call) {
3100   return unwrap<CallInst>(Call)->isTailCall();
3101 }
3102
3103 void LLVMSetTailCall(LLVMValueRef Call, LLVMBool isTailCall) {
3104   unwrap<CallInst>(Call)->setTailCall(isTailCall);
3105 }
3106
3107 LLVMTailCallKind LLVMGetTailCallKind(LLVMValueRef Call) {
3108   return (LLVMTailCallKind)unwrap<CallInst>(Call)->getTailCallKind();
3109 }
3110
3111 void LLVMSetTailCallKind(LLVMValueRef Call, LLVMTailCallKind kind) {
3112   unwrap<CallInst>(Call)->setTailCallKind((CallInst::TailCallKind)kind);
3113 }
3114
3115 /*--.. Operations on invoke instructions (only) ............................--*/
3116
3117 LLVMBasicBlockRef LLVMGetNormalDest(LLVMValueRef Invoke) {
3118   return wrap(unwrap<InvokeInst>(Invoke)->getNormalDest());
3119 }
3120
3121 LLVMBasicBlockRef LLVMGetUnwindDest(LLVMValueRef Invoke) {
3122   if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(unwrap(Invoke))) {
3123     return wrap(CRI->getUnwindDest());
3124   } else if (CatchSwitchInst *CSI = dyn_cast<CatchSwitchInst>(unwrap(Invoke))) {
3125     return wrap(CSI->getUnwindDest());
3126   }
3127   return wrap(unwrap<InvokeInst>(Invoke)->getUnwindDest());
3128 }
3129
3130 void LLVMSetNormalDest(LLVMValueRef Invoke, LLVMBasicBlockRef B) {
3131   unwrap<InvokeInst>(Invoke)->setNormalDest(unwrap(B));
3132 }
3133
3134 void LLVMSetUnwindDest(LLVMValueRef Invoke, LLVMBasicBlockRef B) {
3135   if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(unwrap(Invoke))) {
3136     return CRI->setUnwindDest(unwrap(B));
3137   } else if (CatchSwitchInst *CSI = dyn_cast<CatchSwitchInst>(unwrap(Invoke))) {
3138     return CSI->setUnwindDest(unwrap(B));
3139   }
3140   unwrap<InvokeInst>(Invoke)->setUnwindDest(unwrap(B));
3141 }
3142
3143 LLVMBasicBlockRef LLVMGetCallBrDefaultDest(LLVMValueRef CallBr) {
3144   return wrap(unwrap<CallBrInst>(CallBr)->getDefaultDest());
3145 }
3146
3147 unsigned LLVMGetCallBrNumIndirectDests(LLVMValueRef CallBr) {
3148   return unwrap<CallBrInst>(CallBr)->getNumIndirectDests();
3149 }
3150
3151 LLVMBasicBlockRef LLVMGetCallBrIndirectDest(LLVMValueRef CallBr, unsigned Idx) {
3152   return wrap(unwrap<CallBrInst>(CallBr)->getIndirectDest(Idx));
3153 }
3154
3155 /*--.. Operations on terminators ...........................................--*/
3156
3157 unsigned LLVMGetNumSuccessors(LLVMValueRef Term) {
3158   return unwrap<Instruction>(Term)->getNumSuccessors();
3159 }
3160
3161 LLVMBasicBlockRef LLVMGetSuccessor(LLVMValueRef Term, unsigned i) {
3162   return wrap(unwrap<Instruction>(Term)->getSuccessor(i));
3163 }
3164
3165 void LLVMSetSuccessor(LLVMValueRef Term, unsigned i, LLVMBasicBlockRef block) {
3166   return unwrap<Instruction>(Term)->setSuccessor(i, unwrap(block));
3167 }
3168
3169 /*--.. Operations on branch instructions (only) ............................--*/
3170
3171 LLVMBool LLVMIsConditional(LLVMValueRef Branch) {
3172   return unwrap<BranchInst>(Branch)->isConditional();
3173 }
3174
3175 LLVMValueRef LLVMGetCondition(LLVMValueRef Branch) {
3176   return wrap(unwrap<BranchInst>(Branch)->getCondition());
3177 }
3178
3179 void LLVMSetCondition(LLVMValueRef Branch, LLVMValueRef Cond) {
3180   return unwrap<BranchInst>(Branch)->setCondition(unwrap(Cond));
3181 }
3182
3183 /*--.. Operations on switch instructions (only) ............................--*/
3184
3185 LLVMBasicBlockRef LLVMGetSwitchDefaultDest(LLVMValueRef Switch) {
3186   return wrap(unwrap<SwitchInst>(Switch)->getDefaultDest());
3187 }
3188
3189 /*--.. Operations on alloca instructions (only) ............................--*/
3190
3191 LLVMTypeRef LLVMGetAllocatedType(LLVMValueRef Alloca) {
3192   return wrap(unwrap<AllocaInst>(Alloca)->getAllocatedType());
3193 }
3194
3195 /*--.. Operations on gep instructions (only) ...............................--*/
3196
3197 LLVMBool LLVMIsInBounds(LLVMValueRef GEP) {
3198   return unwrap<GEPOperator>(GEP)->isInBounds();
3199 }
3200
3201 void LLVMSetIsInBounds(LLVMValueRef GEP, LLVMBool InBounds) {
3202   return unwrap<GetElementPtrInst>(GEP)->setIsInBounds(InBounds);
3203 }
3204
3205 LLVMTypeRef LLVMGetGEPSourceElementType(LLVMValueRef GEP) {
3206   return wrap(unwrap<GEPOperator>(GEP)->getSourceElementType());
3207 }
3208
3209 LLVMGEPNoWrapFlags LLVMGEPGetNoWrapFlags(LLVMValueRef GEP) {
3210   GEPOperator *GEPOp = unwrap<GEPOperator>(GEP);
3211   return mapToLLVMGEPNoWrapFlags(GEPOp->getNoWrapFlags());
3212 }
3213
3214 void LLVMGEPSetNoWrapFlags(LLVMValueRef GEP, LLVMGEPNoWrapFlags NoWrapFlags) {
3215   GetElementPtrInst *GEPInst = unwrap<GetElementPtrInst>(GEP);
3216   GEPInst->setNoWrapFlags(mapFromLLVMGEPNoWrapFlags(NoWrapFlags));
3217 }
3218
3219 /*--.. Operations on phi nodes .............................................--*/
3220
3221 void LLVMAddIncoming(LLVMValueRef PhiNode, LLVMValueRef *IncomingValues,
3222                      LLVMBasicBlockRef *IncomingBlocks, unsigned Count) {
3223   PHINode *PhiVal = unwrap<PHINode>(PhiNode);
3224   for (unsigned I = 0; I != Count; ++I)
3225     PhiVal->addIncoming(unwrap(IncomingValues[I]), unwrap(IncomingBlocks[I]));
3226 }
3227
3228 unsigned LLVMCountIncoming(LLVMValueRef PhiNode) {
3229   return unwrap<PHINode>(PhiNode)->getNumIncomingValues();
3230 }
3231
3232 LLVMValueRef LLVMGetIncomingValue(LLVMValueRef PhiNode, unsigned Index) {
3233   return wrap(unwrap<PHINode>(PhiNode)->getIncomingValue(Index));
3234 }
3235
3236 LLVMBasicBlockRef LLVMGetIncomingBlock(LLVMValueRef PhiNode, unsigned Index) {
3237   return wrap(unwrap<PHINode>(PhiNode)->getIncomingBlock(Index));
3238 }
3239
3240 /*--.. Operations on extractvalue and insertvalue nodes ....................--*/
3241
3242 unsigned LLVMGetNumIndices(LLVMValueRef Inst) {
3243   auto *I = unwrap(Inst);
3244   if (auto *GEP = dyn_cast<GEPOperator>(I))
3245     return GEP->getNumIndices();
3246   if (auto *EV = dyn_cast<ExtractValueInst>(I))
3247     return EV->getNumIndices();
3248   if (auto *IV = dyn_cast<InsertValueInst>(I))
3249     return IV->getNumIndices();
3250   llvm_unreachable(
3251     "LLVMGetNumIndices applies only to extractvalue and insertvalue!");
3252 }
3253
3254 const unsigned *LLVMGetIndices(LLVMValueRef Inst) {
3255   auto *I = unwrap(Inst);
3256   if (auto *EV = dyn_cast<ExtractValueInst>(I))
3257     return EV->getIndices().data();
3258   if (auto *IV = dyn_cast<InsertValueInst>(I))
3259     return IV->getIndices().data();
3260   llvm_unreachable(
3261     "LLVMGetIndices applies only to extractvalue and insertvalue!");
3262 }
3263
3264
3265 /*===-- Instruction builders ----------------------------------------------===*/
3266
3267 LLVMBuilderRef LLVMCreateBuilderInContext(LLVMContextRef C) {
3268   return wrap(new IRBuilder<>(*unwrap(C)));
3269 }
3270
3271 LLVMBuilderRef LLVMCreateBuilder(void) {
3272   return LLVMCreateBuilderInContext(LLVMGetGlobalContext());
3273 }
3274
3275 static void LLVMPositionBuilderImpl(IRBuilder<> *Builder, BasicBlock *Block,
3276                                     Instruction *Instr, bool BeforeDbgRecords) {
3277   BasicBlock::iterator I = Instr ? Instr->getIterator() : Block->end();
3278   I.setHeadBit(BeforeDbgRecords);
3279   Builder->SetInsertPoint(Block, I);
3280 }
3281
3282 void LLVMPositionBuilder(LLVMBuilderRef Builder, LLVMBasicBlockRef Block,
3283                          LLVMValueRef Instr) {
3284   return LLVMPositionBuilderImpl(unwrap(Builder), unwrap(Block),
3285                                  unwrap<Instruction>(Instr), false);
3286 }
3287
3288 void LLVMPositionBuilderBeforeDbgRecords(LLVMBuilderRef Builder,
3289                                          LLVMBasicBlockRef Block,
3290                                          LLVMValueRef Instr) {
3291   return LLVMPositionBuilderImpl(unwrap(Builder), unwrap(Block),
3292                                  unwrap<Instruction>(Instr), true);
3293 }
3294
3295 void LLVMPositionBuilderBefore(LLVMBuilderRef Builder, LLVMValueRef Instr) {
3296   Instruction *I = unwrap<Instruction>(Instr);
3297   return LLVMPositionBuilderImpl(unwrap(Builder), I->getParent(), I, false);
3298 }
3299
3300 void LLVMPositionBuilderBeforeInstrAndDbgRecords(LLVMBuilderRef Builder,
3301                                                  LLVMValueRef Instr) {
3302   Instruction *I = unwrap<Instruction>(Instr);
3303   return LLVMPositionBuilderImpl(unwrap(Builder), I->getParent(), I, true);
3304 }
3305
3306 void LLVMPositionBuilderAtEnd(LLVMBuilderRef Builder, LLVMBasicBlockRef Block) {
3307   BasicBlock *BB = unwrap(Block);
3308   unwrap(Builder)->SetInsertPoint(BB);
3309 }
3310
3311 LLVMBasicBlockRef LLVMGetInsertBlock(LLVMBuilderRef Builder) {
3312    return wrap(unwrap(Builder)->GetInsertBlock());
3313 }
3314
3315 void LLVMClearInsertionPosition(LLVMBuilderRef Builder) {
3316   unwrap(Builder)->ClearInsertionPoint();
3317 }
3318
3319 void LLVMInsertIntoBuilder(LLVMBuilderRef Builder, LLVMValueRef Instr) {
3320   unwrap(Builder)->Insert(unwrap<Instruction>(Instr));
3321 }
3322
3323 void LLVMInsertIntoBuilderWithName(LLVMBuilderRef Builder, LLVMValueRef Instr,
3324                                    const char *Name) {
3325   unwrap(Builder)->Insert(unwrap<Instruction>(Instr), Name);
3326 }
3327
3328 void LLVMDisposeBuilder(LLVMBuilderRef Builder) {
3329   delete unwrap(Builder);
3330 }
3331
3332 /*--.. Metadata builders ...................................................--*/
3333
3334 LLVMMetadataRef LLVMGetCurrentDebugLocation2(LLVMBuilderRef Builder) {
3335   return wrap(unwrap(Builder)->getCurrentDebugLocation().getAsMDNode());
3336 }
3337
3338 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Builder, LLVMMetadataRef Loc) {
3339   if (Loc)
3340     unwrap(Builder)->SetCurrentDebugLocation(DebugLoc(unwrap<MDNode>(Loc)));
3341   else
3342     unwrap(Builder)->SetCurrentDebugLocation(DebugLoc());
3343 }
3344
3345 void LLVMSetCurrentDebugLocation(LLVMBuilderRef Builder, LLVMValueRef L) {
3346   MDNode *Loc =
3347       L ? cast<MDNode>(unwrap<MetadataAsValue>(L)->getMetadata()) : nullptr;
3348   unwrap(Builder)->SetCurrentDebugLocation(DebugLoc(Loc));
3349 }
3350
3351 LLVMValueRef LLVMGetCurrentDebugLocation(LLVMBuilderRef Builder) {
3352   LLVMContext &Context = unwrap(Builder)->getContext();
3353   return wrap(MetadataAsValue::get(
3354       Context, unwrap(Builder)->getCurrentDebugLocation().getAsMDNode()));
3355 }
3356
3357 void LLVMSetInstDebugLocation(LLVMBuilderRef Builder, LLVMValueRef Inst) {
3358   unwrap(Builder)->SetInstDebugLocation(unwrap<Instruction>(Inst));
3359 }
3360
3361 void LLVMAddMetadataToInst(LLVMBuilderRef Builder, LLVMValueRef Inst) {
3362   unwrap(Builder)->AddMetadataToInst(unwrap<Instruction>(Inst));
3363 }
3364
3365 void LLVMBuilderSetDefaultFPMathTag(LLVMBuilderRef Builder,
3366                                     LLVMMetadataRef FPMathTag) {
3367
3368   unwrap(Builder)->setDefaultFPMathTag(FPMathTag
3369                                        ? unwrap<MDNode>(FPMathTag)
3370                                        : nullptr);
3371 }
3372
3373 LLVMContextRef LLVMGetBuilderContext(LLVMBuilderRef Builder) {
3374   return wrap(&unwrap(Builder)->getContext());
3375 }
3376
3377 LLVMMetadataRef LLVMBuilderGetDefaultFPMathTag(LLVMBuilderRef Builder) {
3378   return wrap(unwrap(Builder)->getDefaultFPMathTag());
3379 }
3380
3381 /*--.. Instruction builders ................................................--*/
3382
3383 LLVMValueRef LLVMBuildRetVoid(LLVMBuilderRef B) {
3384   return wrap(unwrap(B)->CreateRetVoid());
3385 }
3386
3387 LLVMValueRef LLVMBuildRet(LLVMBuilderRef B, LLVMValueRef V) {
3388   return wrap(unwrap(B)->CreateRet(unwrap(V)));
3389 }
3390
3391 LLVMValueRef LLVMBuildAggregateRet(LLVMBuilderRef B, LLVMValueRef *RetVals,
3392                                    unsigned N) {
3393   return wrap(unwrap(B)->CreateAggregateRet(unwrap(RetVals), N));
3394 }
3395
3396 LLVMValueRef LLVMBuildBr(LLVMBuilderRef B, LLVMBasicBlockRef Dest) {
3397   return wrap(unwrap(B)->CreateBr(unwrap(Dest)));
3398 }
3399
3400 LLVMValueRef LLVMBuildCondBr(LLVMBuilderRef B, LLVMValueRef If,
3401                              LLVMBasicBlockRef Then, LLVMBasicBlockRef Else) {
3402   return wrap(unwrap(B)->CreateCondBr(unwrap(If), unwrap(Then), unwrap(Else)));
3403 }
3404
3405 LLVMValueRef LLVMBuildSwitch(LLVMBuilderRef B, LLVMValueRef V,
3406                              LLVMBasicBlockRef Else, unsigned NumCases) {
3407   return wrap(unwrap(B)->CreateSwitch(unwrap(V), unwrap(Else), NumCases));
3408 }
3409
3410 LLVMValueRef LLVMBuildIndirectBr(LLVMBuilderRef B, LLVMValueRef Addr,
3411                                  unsigned NumDests) {
3412   return wrap(unwrap(B)->CreateIndirectBr(unwrap(Addr), NumDests));
3413 }
3414
3415 LLVMValueRef LLVMBuildCallBr(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
3416                              LLVMBasicBlockRef DefaultDest,
3417                              LLVMBasicBlockRef *IndirectDests,
3418                              unsigned NumIndirectDests, LLVMValueRef *Args,
3419                              unsigned NumArgs, LLVMOperandBundleRef *Bundles,
3420                              unsigned NumBundles, const char *Name) {
3421
3422   SmallVector<OperandBundleDef, 8> OBs;
3423   for (auto *Bundle : ArrayRef(Bundles, NumBundles)) {
3424     OperandBundleDef *OB = unwrap(Bundle);
3425     OBs.push_back(*OB);
3426   }
3427
3428   return wrap(unwrap(B)->CreateCallBr(
3429       unwrap<FunctionType>(Ty), unwrap(Fn), unwrap(DefaultDest),
3430       ArrayRef(unwrap(IndirectDests), NumIndirectDests),
3431       ArrayRef<Value *>(unwrap(Args), NumArgs), OBs, Name));
3432 }
3433
3434 LLVMValueRef LLVMBuildInvoke2(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
3435                               LLVMValueRef *Args, unsigned NumArgs,
3436                               LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3437                               const char *Name) {
3438   return wrap(unwrap(B)->CreateInvoke(unwrap<FunctionType>(Ty), unwrap(Fn),
3439                                       unwrap(Then), unwrap(Catch),
3440                                       ArrayRef(unwrap(Args), NumArgs), Name));
3441 }
3442
3443 LLVMValueRef LLVMBuildInvokeWithOperandBundles(
3444     LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn, LLVMValueRef *Args,
3445     unsigned NumArgs, LLVMBasicBlockRef Then, LLVMBasicBlockRef Catch,
3446     LLVMOperandBundleRef *Bundles, unsigned NumBundles, const char *Name) {
3447   SmallVector<OperandBundleDef, 8> OBs;
3448   for (auto *Bundle : ArrayRef(Bundles, NumBundles)) {
3449     OperandBundleDef *OB = unwrap(Bundle);
3450     OBs.push_back(*OB);
3451   }
3452   return wrap(unwrap(B)->CreateInvoke(
3453       unwrap<FunctionType>(Ty), unwrap(Fn), unwrap(Then), unwrap(Catch),
3454       ArrayRef(unwrap(Args), NumArgs), OBs, Name));
3455 }
3456
3457 LLVMValueRef LLVMBuildLandingPad(LLVMBuilderRef B, LLVMTypeRef Ty,
3458                                  LLVMValueRef PersFn, unsigned NumClauses,
3459                                  const char *Name) {
3460   // The personality used to live on the landingpad instruction, but now it
3461   // lives on the parent function. For compatibility, take the provided
3462   // personality and put it on the parent function.
3463   if (PersFn)
3464     unwrap(B)->GetInsertBlock()->getParent()->setPersonalityFn(
3465         unwrap<Function>(PersFn));
3466   return wrap(unwrap(B)->CreateLandingPad(unwrap(Ty), NumClauses, Name));
3467 }
3468
3469 LLVMValueRef LLVMBuildCatchPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3470                                LLVMValueRef *Args, unsigned NumArgs,
3471                                const char *Name) {
3472   return wrap(unwrap(B)->CreateCatchPad(unwrap(ParentPad),
3473                                         ArrayRef(unwrap(Args), NumArgs), Name));
3474 }
3475
3476 LLVMValueRef LLVMBuildCleanupPad(LLVMBuilderRef B, LLVMValueRef ParentPad,
3477                                  LLVMValueRef *Args, unsigned NumArgs,
3478                                  const char *Name) {
3479   if (ParentPad == nullptr) {
3480     Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
3481     ParentPad = wrap(Constant::getNullValue(Ty));
3482   }
3483   return wrap(unwrap(B)->CreateCleanupPad(
3484       unwrap(ParentPad), ArrayRef(unwrap(Args), NumArgs), Name));
3485 }
3486
3487 LLVMValueRef LLVMBuildResume(LLVMBuilderRef B, LLVMValueRef Exn) {
3488   return wrap(unwrap(B)->CreateResume(unwrap(Exn)));
3489 }
3490
3491 LLVMValueRef LLVMBuildCatchSwitch(LLVMBuilderRef B, LLVMValueRef ParentPad,
3492                                   LLVMBasicBlockRef UnwindBB,
3493                                   unsigned NumHandlers, const char *Name) {
3494   if (ParentPad == nullptr) {
3495     Type *Ty = Type::getTokenTy(unwrap(B)->getContext());
3496     ParentPad = wrap(Constant::getNullValue(Ty));
3497   }
3498   return wrap(unwrap(B)->CreateCatchSwitch(unwrap(ParentPad), unwrap(UnwindBB),
3499                                            NumHandlers, Name));
3500 }
3501
3502 LLVMValueRef LLVMBuildCatchRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3503                                LLVMBasicBlockRef BB) {
3504   return wrap(unwrap(B)->CreateCatchRet(unwrap<CatchPadInst>(CatchPad),
3505                                         unwrap(BB)));
3506 }
3507
3508 LLVMValueRef LLVMBuildCleanupRet(LLVMBuilderRef B, LLVMValueRef CatchPad,
3509                                  LLVMBasicBlockRef BB) {
3510   return wrap(unwrap(B)->CreateCleanupRet(unwrap<CleanupPadInst>(CatchPad),
3511                                           unwrap(BB)));
3512 }
3513
3514 LLVMValueRef LLVMBuildUnreachable(LLVMBuilderRef B) {
3515   return wrap(unwrap(B)->CreateUnreachable());
3516 }
3517
3518 void LLVMAddCase(LLVMValueRef Switch, LLVMValueRef OnVal,
3519                  LLVMBasicBlockRef Dest) {
3520   unwrap<SwitchInst>(Switch)->addCase(unwrap<ConstantInt>(OnVal), unwrap(Dest));
3521 }
3522
3523 void LLVMAddDestination(LLVMValueRef IndirectBr, LLVMBasicBlockRef Dest) {
3524   unwrap<IndirectBrInst>(IndirectBr)->addDestination(unwrap(Dest));
3525 }
3526
3527 unsigned LLVMGetNumClauses(LLVMValueRef LandingPad) {
3528   return unwrap<LandingPadInst>(LandingPad)->getNumClauses();
3529 }
3530
3531 LLVMValueRef LLVMGetClause(LLVMValueRef LandingPad, unsigned Idx) {
3532   return wrap(unwrap<LandingPadInst>(LandingPad)->getClause(Idx));
3533 }
3534
3535 void LLVMAddClause(LLVMValueRef LandingPad, LLVMValueRef ClauseVal) {
3536   unwrap<LandingPadInst>(LandingPad)->addClause(unwrap<Constant>(ClauseVal));
3537 }
3538
3539 LLVMBool LLVMIsCleanup(LLVMValueRef LandingPad) {
3540   return unwrap<LandingPadInst>(LandingPad)->isCleanup();
3541 }
3542
3543 void LLVMSetCleanup(LLVMValueRef LandingPad, LLVMBool Val) {
3544   unwrap<LandingPadInst>(LandingPad)->setCleanup(Val);
3545 }
3546
3547 void LLVMAddHandler(LLVMValueRef CatchSwitch, LLVMBasicBlockRef Dest) {
3548   unwrap<CatchSwitchInst>(CatchSwitch)->addHandler(unwrap(Dest));
3549 }
3550
3551 unsigned LLVMGetNumHandlers(LLVMValueRef CatchSwitch) {
3552   return unwrap<CatchSwitchInst>(CatchSwitch)->getNumHandlers();
3553 }
3554
3555 void LLVMGetHandlers(LLVMValueRef CatchSwitch, LLVMBasicBlockRef *Handlers) {
3556   CatchSwitchInst *CSI = unwrap<CatchSwitchInst>(CatchSwitch);
3557   for (const BasicBlock *H : CSI->handlers())
3558     *Handlers++ = wrap(H);
3559 }
3560
3561 LLVMValueRef LLVMGetParentCatchSwitch(LLVMValueRef CatchPad) {
3562   return wrap(unwrap<CatchPadInst>(CatchPad)->getCatchSwitch());
3563 }
3564
3565 void LLVMSetParentCatchSwitch(LLVMValueRef CatchPad, LLVMValueRef CatchSwitch) {
3566   unwrap<CatchPadInst>(CatchPad)
3567     ->setCatchSwitch(unwrap<CatchSwitchInst>(CatchSwitch));
3568 }
3569
3570 /*--.. Funclets ...........................................................--*/
3571
3572 LLVMValueRef LLVMGetArgOperand(LLVMValueRef Funclet, unsigned i) {
3573   return wrap(unwrap<FuncletPadInst>(Funclet)->getArgOperand(i));
3574 }
3575
3576 void LLVMSetArgOperand(LLVMValueRef Funclet, unsigned i, LLVMValueRef value) {
3577   unwrap<FuncletPadInst>(Funclet)->setArgOperand(i, unwrap(value));
3578 }
3579
3580 /*--.. Arithmetic ..........................................................--*/
3581
3582 static FastMathFlags mapFromLLVMFastMathFlags(LLVMFastMathFlags FMF) {
3583   FastMathFlags NewFMF;
3584   NewFMF.setAllowReassoc((FMF & LLVMFastMathAllowReassoc) != 0);
3585   NewFMF.setNoNaNs((FMF & LLVMFastMathNoNaNs) != 0);
3586   NewFMF.setNoInfs((FMF & LLVMFastMathNoInfs) != 0);
3587   NewFMF.setNoSignedZeros((FMF & LLVMFastMathNoSignedZeros) != 0);
3588   NewFMF.setAllowReciprocal((FMF & LLVMFastMathAllowReciprocal) != 0);
3589   NewFMF.setAllowContract((FMF & LLVMFastMathAllowContract) != 0);
3590   NewFMF.setApproxFunc((FMF & LLVMFastMathApproxFunc) != 0);
3591
3592   return NewFMF;
3593 }
3594
3595 static LLVMFastMathFlags mapToLLVMFastMathFlags(FastMathFlags FMF) {
3596   LLVMFastMathFlags NewFMF = LLVMFastMathNone;
3597   if (FMF.allowReassoc())
3598     NewFMF |= LLVMFastMathAllowReassoc;
3599   if (FMF.noNaNs())
3600     NewFMF |= LLVMFastMathNoNaNs;
3601   if (FMF.noInfs())
3602     NewFMF |= LLVMFastMathNoInfs;
3603   if (FMF.noSignedZeros())
3604     NewFMF |= LLVMFastMathNoSignedZeros;
3605   if (FMF.allowReciprocal())
3606     NewFMF |= LLVMFastMathAllowReciprocal;
3607   if (FMF.allowContract())
3608     NewFMF |= LLVMFastMathAllowContract;
3609   if (FMF.approxFunc())
3610     NewFMF |= LLVMFastMathApproxFunc;
3611
3612   return NewFMF;
3613 }
3614
3615 LLVMValueRef LLVMBuildAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3616                           const char *Name) {
3617   return wrap(unwrap(B)->CreateAdd(unwrap(LHS), unwrap(RHS), Name));
3618 }
3619
3620 LLVMValueRef LLVMBuildNSWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3621                           const char *Name) {
3622   return wrap(unwrap(B)->CreateNSWAdd(unwrap(LHS), unwrap(RHS), Name));
3623 }
3624
3625 LLVMValueRef LLVMBuildNUWAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3626                           const char *Name) {
3627   return wrap(unwrap(B)->CreateNUWAdd(unwrap(LHS), unwrap(RHS), Name));
3628 }
3629
3630 LLVMValueRef LLVMBuildFAdd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3631                           const char *Name) {
3632   return wrap(unwrap(B)->CreateFAdd(unwrap(LHS), unwrap(RHS), Name));
3633 }
3634
3635 LLVMValueRef LLVMBuildSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3636                           const char *Name) {
3637   return wrap(unwrap(B)->CreateSub(unwrap(LHS), unwrap(RHS), Name));
3638 }
3639
3640 LLVMValueRef LLVMBuildNSWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3641                           const char *Name) {
3642   return wrap(unwrap(B)->CreateNSWSub(unwrap(LHS), unwrap(RHS), Name));
3643 }
3644
3645 LLVMValueRef LLVMBuildNUWSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3646                           const char *Name) {
3647   return wrap(unwrap(B)->CreateNUWSub(unwrap(LHS), unwrap(RHS), Name));
3648 }
3649
3650 LLVMValueRef LLVMBuildFSub(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3651                           const char *Name) {
3652   return wrap(unwrap(B)->CreateFSub(unwrap(LHS), unwrap(RHS), Name));
3653 }
3654
3655 LLVMValueRef LLVMBuildMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3656                           const char *Name) {
3657   return wrap(unwrap(B)->CreateMul(unwrap(LHS), unwrap(RHS), Name));
3658 }
3659
3660 LLVMValueRef LLVMBuildNSWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3661                           const char *Name) {
3662   return wrap(unwrap(B)->CreateNSWMul(unwrap(LHS), unwrap(RHS), Name));
3663 }
3664
3665 LLVMValueRef LLVMBuildNUWMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3666                           const char *Name) {
3667   return wrap(unwrap(B)->CreateNUWMul(unwrap(LHS), unwrap(RHS), Name));
3668 }
3669
3670 LLVMValueRef LLVMBuildFMul(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3671                           const char *Name) {
3672   return wrap(unwrap(B)->CreateFMul(unwrap(LHS), unwrap(RHS), Name));
3673 }
3674
3675 LLVMValueRef LLVMBuildUDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3676                            const char *Name) {
3677   return wrap(unwrap(B)->CreateUDiv(unwrap(LHS), unwrap(RHS), Name));
3678 }
3679
3680 LLVMValueRef LLVMBuildExactUDiv(LLVMBuilderRef B, LLVMValueRef LHS,
3681                                 LLVMValueRef RHS, const char *Name) {
3682   return wrap(unwrap(B)->CreateExactUDiv(unwrap(LHS), unwrap(RHS), Name));
3683 }
3684
3685 LLVMValueRef LLVMBuildSDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3686                            const char *Name) {
3687   return wrap(unwrap(B)->CreateSDiv(unwrap(LHS), unwrap(RHS), Name));
3688 }
3689
3690 LLVMValueRef LLVMBuildExactSDiv(LLVMBuilderRef B, LLVMValueRef LHS,
3691                                 LLVMValueRef RHS, const char *Name) {
3692   return wrap(unwrap(B)->CreateExactSDiv(unwrap(LHS), unwrap(RHS), Name));
3693 }
3694
3695 LLVMValueRef LLVMBuildFDiv(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3696                            const char *Name) {
3697   return wrap(unwrap(B)->CreateFDiv(unwrap(LHS), unwrap(RHS), Name));
3698 }
3699
3700 LLVMValueRef LLVMBuildURem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3701                            const char *Name) {
3702   return wrap(unwrap(B)->CreateURem(unwrap(LHS), unwrap(RHS), Name));
3703 }
3704
3705 LLVMValueRef LLVMBuildSRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3706                            const char *Name) {
3707   return wrap(unwrap(B)->CreateSRem(unwrap(LHS), unwrap(RHS), Name));
3708 }
3709
3710 LLVMValueRef LLVMBuildFRem(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3711                            const char *Name) {
3712   return wrap(unwrap(B)->CreateFRem(unwrap(LHS), unwrap(RHS), Name));
3713 }
3714
3715 LLVMValueRef LLVMBuildShl(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3716                           const char *Name) {
3717   return wrap(unwrap(B)->CreateShl(unwrap(LHS), unwrap(RHS), Name));
3718 }
3719
3720 LLVMValueRef LLVMBuildLShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3721                            const char *Name) {
3722   return wrap(unwrap(B)->CreateLShr(unwrap(LHS), unwrap(RHS), Name));
3723 }
3724
3725 LLVMValueRef LLVMBuildAShr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3726                            const char *Name) {
3727   return wrap(unwrap(B)->CreateAShr(unwrap(LHS), unwrap(RHS), Name));
3728 }
3729
3730 LLVMValueRef LLVMBuildAnd(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3731                           const char *Name) {
3732   return wrap(unwrap(B)->CreateAnd(unwrap(LHS), unwrap(RHS), Name));
3733 }
3734
3735 LLVMValueRef LLVMBuildOr(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3736                          const char *Name) {
3737   return wrap(unwrap(B)->CreateOr(unwrap(LHS), unwrap(RHS), Name));
3738 }
3739
3740 LLVMValueRef LLVMBuildXor(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS,
3741                           const char *Name) {
3742   return wrap(unwrap(B)->CreateXor(unwrap(LHS), unwrap(RHS), Name));
3743 }
3744
3745 LLVMValueRef LLVMBuildBinOp(LLVMBuilderRef B, LLVMOpcode Op,
3746                             LLVMValueRef LHS, LLVMValueRef RHS,
3747                             const char *Name) {
3748   return wrap(unwrap(B)->CreateBinOp(Instruction::BinaryOps(map_from_llvmopcode(Op)), unwrap(LHS),
3749                                      unwrap(RHS), Name));
3750 }
3751
3752 LLVMValueRef LLVMBuildNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3753   return wrap(unwrap(B)->CreateNeg(unwrap(V), Name));
3754 }
3755
3756 LLVMValueRef LLVMBuildNSWNeg(LLVMBuilderRef B, LLVMValueRef V,
3757                              const char *Name) {
3758   return wrap(unwrap(B)->CreateNSWNeg(unwrap(V), Name));
3759 }
3760
3761 LLVMValueRef LLVMBuildNUWNeg(LLVMBuilderRef B, LLVMValueRef V,
3762                              const char *Name) {
3763   Value *Neg = unwrap(B)->CreateNeg(unwrap(V), Name);
3764   if (auto *I = dyn_cast<BinaryOperator>(Neg))
3765     I->setHasNoUnsignedWrap();
3766   return wrap(Neg);
3767 }
3768
3769 LLVMValueRef LLVMBuildFNeg(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3770   return wrap(unwrap(B)->CreateFNeg(unwrap(V), Name));
3771 }
3772
3773 LLVMValueRef LLVMBuildNot(LLVMBuilderRef B, LLVMValueRef V, const char *Name) {
3774   return wrap(unwrap(B)->CreateNot(unwrap(V), Name));
3775 }
3776
3777 LLVMBool LLVMGetNUW(LLVMValueRef ArithInst) {
3778   Value *P = unwrap<Value>(ArithInst);
3779   return cast<Instruction>(P)->hasNoUnsignedWrap();
3780 }
3781
3782 void LLVMSetNUW(LLVMValueRef ArithInst, LLVMBool HasNUW) {
3783   Value *P = unwrap<Value>(ArithInst);
3784   cast<Instruction>(P)->setHasNoUnsignedWrap(HasNUW);
3785 }
3786
3787 LLVMBool LLVMGetNSW(LLVMValueRef ArithInst) {
3788   Value *P = unwrap<Value>(ArithInst);
3789   return cast<Instruction>(P)->hasNoSignedWrap();
3790 }
3791
3792 void LLVMSetNSW(LLVMValueRef ArithInst, LLVMBool HasNSW) {
3793   Value *P = unwrap<Value>(ArithInst);
3794   cast<Instruction>(P)->setHasNoSignedWrap(HasNSW);
3795 }
3796
3797 LLVMBool LLVMGetExact(LLVMValueRef DivOrShrInst) {
3798   Value *P = unwrap<Value>(DivOrShrInst);
3799   return cast<Instruction>(P)->isExact();
3800 }
3801
3802 void LLVMSetExact(LLVMValueRef DivOrShrInst, LLVMBool IsExact) {
3803   Value *P = unwrap<Value>(DivOrShrInst);
3804   cast<Instruction>(P)->setIsExact(IsExact);
3805 }
3806
3807 LLVMBool LLVMGetNNeg(LLVMValueRef NonNegInst) {
3808   Value *P = unwrap<Value>(NonNegInst);
3809   return cast<Instruction>(P)->hasNonNeg();
3810 }
3811
3812 void LLVMSetNNeg(LLVMValueRef NonNegInst, LLVMBool IsNonNeg) {
3813   Value *P = unwrap<Value>(NonNegInst);
3814   cast<Instruction>(P)->setNonNeg(IsNonNeg);
3815 }
3816
3817 LLVMFastMathFlags LLVMGetFastMathFlags(LLVMValueRef FPMathInst) {
3818   Value *P = unwrap<Value>(FPMathInst);
3819   FastMathFlags FMF = cast<Instruction>(P)->getFastMathFlags();
3820   return mapToLLVMFastMathFlags(FMF);
3821 }
3822
3823 void LLVMSetFastMathFlags(LLVMValueRef FPMathInst, LLVMFastMathFlags FMF) {
3824   Value *P = unwrap<Value>(FPMathInst);
3825   cast<Instruction>(P)->setFastMathFlags(mapFromLLVMFastMathFlags(FMF));
3826 }
3827
3828 LLVMBool LLVMCanValueUseFastMathFlags(LLVMValueRef V) {
3829   Value *Val = unwrap<Value>(V);
3830   return isa<FPMathOperator>(Val);
3831 }
3832
3833 LLVMBool LLVMGetIsDisjoint(LLVMValueRef Inst) {
3834   Value *P = unwrap<Value>(Inst);
3835   return cast<PossiblyDisjointInst>(P)->isDisjoint();
3836 }
3837
3838 void LLVMSetIsDisjoint(LLVMValueRef Inst, LLVMBool IsDisjoint) {
3839   Value *P = unwrap<Value>(Inst);
3840   cast<PossiblyDisjointInst>(P)->setIsDisjoint(IsDisjoint);
3841 }
3842
3843 /*--.. Memory ..............................................................--*/
3844
3845 LLVMValueRef LLVMBuildMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
3846                              const char *Name) {
3847   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
3848   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
3849   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
3850   return wrap(unwrap(B)->CreateMalloc(ITy, unwrap(Ty), AllocSize, nullptr,
3851                                       nullptr, Name));
3852 }
3853
3854 LLVMValueRef LLVMBuildArrayMalloc(LLVMBuilderRef B, LLVMTypeRef Ty,
3855                                   LLVMValueRef Val, const char *Name) {
3856   Type* ITy = Type::getInt32Ty(unwrap(B)->GetInsertBlock()->getContext());
3857   Constant* AllocSize = ConstantExpr::getSizeOf(unwrap(Ty));
3858   AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, ITy);
3859   return wrap(unwrap(B)->CreateMalloc(ITy, unwrap(Ty), AllocSize, unwrap(Val),
3860                                       nullptr, Name));
3861 }
3862
3863 LLVMValueRef LLVMBuildMemSet(LLVMBuilderRef B, LLVMValueRef Ptr,
3864                              LLVMValueRef Val, LLVMValueRef Len,
3865                              unsigned Align) {
3866   return wrap(unwrap(B)->CreateMemSet(unwrap(Ptr), unwrap(Val), unwrap(Len),
3867                                       MaybeAlign(Align)));
3868 }
3869
3870 LLVMValueRef LLVMBuildMemCpy(LLVMBuilderRef B,
3871                              LLVMValueRef Dst, unsigned DstAlign,
3872                              LLVMValueRef Src, unsigned SrcAlign,
3873                              LLVMValueRef Size) {
3874   return wrap(unwrap(B)->CreateMemCpy(unwrap(Dst), MaybeAlign(DstAlign),
3875                                       unwrap(Src), MaybeAlign(SrcAlign),
3876                                       unwrap(Size)));
3877 }
3878
3879 LLVMValueRef LLVMBuildMemMove(LLVMBuilderRef B,
3880                               LLVMValueRef Dst, unsigned DstAlign,
3881                               LLVMValueRef Src, unsigned SrcAlign,
3882                               LLVMValueRef Size) {
3883   return wrap(unwrap(B)->CreateMemMove(unwrap(Dst), MaybeAlign(DstAlign),
3884                                        unwrap(Src), MaybeAlign(SrcAlign),
3885                                        unwrap(Size)));
3886 }
3887
3888 LLVMValueRef LLVMBuildAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
3889                              const char *Name) {
3890   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), nullptr, Name));
3891 }
3892
3893 LLVMValueRef LLVMBuildArrayAlloca(LLVMBuilderRef B, LLVMTypeRef Ty,
3894                                   LLVMValueRef Val, const char *Name) {
3895   return wrap(unwrap(B)->CreateAlloca(unwrap(Ty), unwrap(Val), Name));
3896 }
3897
3898 LLVMValueRef LLVMBuildFree(LLVMBuilderRef B, LLVMValueRef PointerVal) {
3899   return wrap(unwrap(B)->CreateFree(unwrap(PointerVal)));
3900 }
3901
3902 LLVMValueRef LLVMBuildLoad2(LLVMBuilderRef B, LLVMTypeRef Ty,
3903                             LLVMValueRef PointerVal, const char *Name) {
3904   return wrap(unwrap(B)->CreateLoad(unwrap(Ty), unwrap(PointerVal), Name));
3905 }
3906
3907 LLVMValueRef LLVMBuildStore(LLVMBuilderRef B, LLVMValueRef Val,
3908                             LLVMValueRef PointerVal) {
3909   return wrap(unwrap(B)->CreateStore(unwrap(Val), unwrap(PointerVal)));
3910 }
3911
3912 static AtomicOrdering mapFromLLVMOrdering(LLVMAtomicOrdering Ordering) {
3913   switch (Ordering) {
3914     case LLVMAtomicOrderingNotAtomic: return AtomicOrdering::NotAtomic;
3915     case LLVMAtomicOrderingUnordered: return AtomicOrdering::Unordered;
3916     case LLVMAtomicOrderingMonotonic: return AtomicOrdering::Monotonic;
3917     case LLVMAtomicOrderingAcquire: return AtomicOrdering::Acquire;
3918     case LLVMAtomicOrderingRelease: return AtomicOrdering::Release;
3919     case LLVMAtomicOrderingAcquireRelease:
3920       return AtomicOrdering::AcquireRelease;
3921     case LLVMAtomicOrderingSequentiallyConsistent:
3922       return AtomicOrdering::SequentiallyConsistent;
3923   }
3924
3925   llvm_unreachable("Invalid LLVMAtomicOrdering value!");
3926 }
3927
3928 static LLVMAtomicOrdering mapToLLVMOrdering(AtomicOrdering Ordering) {
3929   switch (Ordering) {
3930     case AtomicOrdering::NotAtomic: return LLVMAtomicOrderingNotAtomic;
3931     case AtomicOrdering::Unordered: return LLVMAtomicOrderingUnordered;
3932     case AtomicOrdering::Monotonic: return LLVMAtomicOrderingMonotonic;
3933     case AtomicOrdering::Acquire: return LLVMAtomicOrderingAcquire;
3934     case AtomicOrdering::Release: return LLVMAtomicOrderingRelease;
3935     case AtomicOrdering::AcquireRelease:
3936       return LLVMAtomicOrderingAcquireRelease;
3937     case AtomicOrdering::SequentiallyConsistent:
3938       return LLVMAtomicOrderingSequentiallyConsistent;
3939   }
3940
3941   llvm_unreachable("Invalid AtomicOrdering value!");
3942 }
3943
3944 static AtomicRMWInst::BinOp mapFromLLVMRMWBinOp(LLVMAtomicRMWBinOp BinOp) {
3945   switch (BinOp) {
3946     case LLVMAtomicRMWBinOpXchg: return AtomicRMWInst::Xchg;
3947     case LLVMAtomicRMWBinOpAdd: return AtomicRMWInst::Add;
3948     case LLVMAtomicRMWBinOpSub: return AtomicRMWInst::Sub;
3949     case LLVMAtomicRMWBinOpAnd: return AtomicRMWInst::And;
3950     case LLVMAtomicRMWBinOpNand: return AtomicRMWInst::Nand;
3951     case LLVMAtomicRMWBinOpOr: return AtomicRMWInst::Or;
3952     case LLVMAtomicRMWBinOpXor: return AtomicRMWInst::Xor;
3953     case LLVMAtomicRMWBinOpMax: return AtomicRMWInst::Max;
3954     case LLVMAtomicRMWBinOpMin: return AtomicRMWInst::Min;
3955     case LLVMAtomicRMWBinOpUMax: return AtomicRMWInst::UMax;
3956     case LLVMAtomicRMWBinOpUMin: return AtomicRMWInst::UMin;
3957     case LLVMAtomicRMWBinOpFAdd: return AtomicRMWInst::FAdd;
3958     case LLVMAtomicRMWBinOpFSub: return AtomicRMWInst::FSub;
3959     case LLVMAtomicRMWBinOpFMax: return AtomicRMWInst::FMax;
3960     case LLVMAtomicRMWBinOpFMin: return AtomicRMWInst::FMin;
3961     case LLVMAtomicRMWBinOpUIncWrap:
3962       return AtomicRMWInst::UIncWrap;
3963     case LLVMAtomicRMWBinOpUDecWrap:
3964       return AtomicRMWInst::UDecWrap;
3965     case LLVMAtomicRMWBinOpUSubCond:
3966       return AtomicRMWInst::USubCond;
3967     case LLVMAtomicRMWBinOpUSubSat:
3968       return AtomicRMWInst::USubSat;
3969   }
3970
3971   llvm_unreachable("Invalid LLVMAtomicRMWBinOp value!");
3972 }
3973
3974 static LLVMAtomicRMWBinOp mapToLLVMRMWBinOp(AtomicRMWInst::BinOp BinOp) {
3975   switch (BinOp) {
3976     case AtomicRMWInst::Xchg: return LLVMAtomicRMWBinOpXchg;
3977     case AtomicRMWInst::Add: return LLVMAtomicRMWBinOpAdd;
3978     case AtomicRMWInst::Sub: return LLVMAtomicRMWBinOpSub;
3979     case AtomicRMWInst::And: return LLVMAtomicRMWBinOpAnd;
3980     case AtomicRMWInst::Nand: return LLVMAtomicRMWBinOpNand;
3981     case AtomicRMWInst::Or: return LLVMAtomicRMWBinOpOr;
3982     case AtomicRMWInst::Xor: return LLVMAtomicRMWBinOpXor;
3983     case AtomicRMWInst::Max: return LLVMAtomicRMWBinOpMax;
3984     case AtomicRMWInst::Min: return LLVMAtomicRMWBinOpMin;
3985     case AtomicRMWInst::UMax: return LLVMAtomicRMWBinOpUMax;
3986     case AtomicRMWInst::UMin: return LLVMAtomicRMWBinOpUMin;
3987     case AtomicRMWInst::FAdd: return LLVMAtomicRMWBinOpFAdd;
3988     case AtomicRMWInst::FSub: return LLVMAtomicRMWBinOpFSub;
3989     case AtomicRMWInst::FMax: return LLVMAtomicRMWBinOpFMax;
3990     case AtomicRMWInst::FMin: return LLVMAtomicRMWBinOpFMin;
3991     case AtomicRMWInst::UIncWrap:
3992       return LLVMAtomicRMWBinOpUIncWrap;
3993     case AtomicRMWInst::UDecWrap:
3994       return LLVMAtomicRMWBinOpUDecWrap;
3995     case AtomicRMWInst::USubCond:
3996       return LLVMAtomicRMWBinOpUSubCond;
3997     case AtomicRMWInst::USubSat:
3998       return LLVMAtomicRMWBinOpUSubSat;
3999     default: break;
4000   }
4001
4002   llvm_unreachable("Invalid AtomicRMWBinOp value!");
4003 }
4004
4005 LLVMValueRef LLVMBuildFence(LLVMBuilderRef B, LLVMAtomicOrdering Ordering,
4006                             LLVMBool isSingleThread, const char *Name) {
4007   return wrap(
4008     unwrap(B)->CreateFence(mapFromLLVMOrdering(Ordering),
4009                            isSingleThread ? SyncScope::SingleThread
4010                                           : SyncScope::System,
4011                            Name));
4012 }
4013
4014 LLVMValueRef LLVMBuildFenceSyncScope(LLVMBuilderRef B,
4015                                      LLVMAtomicOrdering Ordering, unsigned SSID,
4016                                      const char *Name) {
4017   return wrap(
4018       unwrap(B)->CreateFence(mapFromLLVMOrdering(Ordering), SSID, Name));
4019 }
4020
4021 LLVMValueRef LLVMBuildGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
4022                            LLVMValueRef Pointer, LLVMValueRef *Indices,
4023                            unsigned NumIndices, const char *Name) {
4024   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
4025   return wrap(unwrap(B)->CreateGEP(unwrap(Ty), unwrap(Pointer), IdxList, Name));
4026 }
4027
4028 LLVMValueRef LLVMBuildInBoundsGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
4029                                    LLVMValueRef Pointer, LLVMValueRef *Indices,
4030                                    unsigned NumIndices, const char *Name) {
4031   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
4032   return wrap(
4033       unwrap(B)->CreateInBoundsGEP(unwrap(Ty), unwrap(Pointer), IdxList, Name));
4034 }
4035
4036 LLVMValueRef LLVMBuildGEPWithNoWrapFlags(LLVMBuilderRef B, LLVMTypeRef Ty,
4037                                          LLVMValueRef Pointer,
4038                                          LLVMValueRef *Indices,
4039                                          unsigned NumIndices, const char *Name,
4040                                          LLVMGEPNoWrapFlags NoWrapFlags) {
4041   ArrayRef<Value *> IdxList(unwrap(Indices), NumIndices);
4042   return wrap(unwrap(B)->CreateGEP(unwrap(Ty), unwrap(Pointer), IdxList, Name,
4043                                    mapFromLLVMGEPNoWrapFlags(NoWrapFlags)));
4044 }
4045
4046 LLVMValueRef LLVMBuildStructGEP2(LLVMBuilderRef B, LLVMTypeRef Ty,
4047                                  LLVMValueRef Pointer, unsigned Idx,
4048                                  const char *Name) {
4049   return wrap(
4050       unwrap(B)->CreateStructGEP(unwrap(Ty), unwrap(Pointer), Idx, Name));
4051 }
4052
4053 LLVMValueRef LLVMBuildGlobalString(LLVMBuilderRef B, const char *Str,
4054                                    const char *Name) {
4055   return wrap(unwrap(B)->CreateGlobalString(Str, Name));
4056 }
4057
4058 LLVMValueRef LLVMBuildGlobalStringPtr(LLVMBuilderRef B, const char *Str,
4059                                       const char *Name) {
4060   return wrap(unwrap(B)->CreateGlobalString(Str, Name));
4061 }
4062
4063 LLVMBool LLVMGetVolatile(LLVMValueRef MemAccessInst) {
4064   Value *P = unwrap(MemAccessInst);
4065   if (LoadInst *LI = dyn_cast<LoadInst>(P))
4066     return LI->isVolatile();
4067   if (StoreInst *SI = dyn_cast<StoreInst>(P))
4068     return SI->isVolatile();
4069   if (AtomicRMWInst *AI = dyn_cast<AtomicRMWInst>(P))
4070     return AI->isVolatile();
4071   return cast<AtomicCmpXchgInst>(P)->isVolatile();
4072 }
4073
4074 void LLVMSetVolatile(LLVMValueRef MemAccessInst, LLVMBool isVolatile) {
4075   Value *P = unwrap(MemAccessInst);
4076   if (LoadInst *LI = dyn_cast<LoadInst>(P))
4077     return LI->setVolatile(isVolatile);
4078   if (StoreInst *SI = dyn_cast<StoreInst>(P))
4079     return SI->setVolatile(isVolatile);
4080   if (AtomicRMWInst *AI = dyn_cast<AtomicRMWInst>(P))
4081     return AI->setVolatile(isVolatile);
4082   return cast<AtomicCmpXchgInst>(P)->setVolatile(isVolatile);
4083 }
4084
4085 LLVMBool LLVMGetWeak(LLVMValueRef CmpXchgInst) {
4086   return unwrap<AtomicCmpXchgInst>(CmpXchgInst)->isWeak();
4087 }
4088
4089 void LLVMSetWeak(LLVMValueRef CmpXchgInst, LLVMBool isWeak) {
4090   return unwrap<AtomicCmpXchgInst>(CmpXchgInst)->setWeak(isWeak);
4091 }
4092
4093 LLVMAtomicOrdering LLVMGetOrdering(LLVMValueRef MemAccessInst) {
4094   Value *P = unwrap(MemAccessInst);
4095   AtomicOrdering O;
4096   if (LoadInst *LI = dyn_cast<LoadInst>(P))
4097     O = LI->getOrdering();
4098   else if (StoreInst *SI = dyn_cast<StoreInst>(P))
4099     O = SI->getOrdering();
4100   else if (FenceInst *FI = dyn_cast<FenceInst>(P))
4101     O = FI->getOrdering();
4102   else
4103     O = cast<AtomicRMWInst>(P)->getOrdering();
4104   return mapToLLVMOrdering(O);
4105 }
4106
4107 void LLVMSetOrdering(LLVMValueRef MemAccessInst, LLVMAtomicOrdering Ordering) {
4108   Value *P = unwrap(MemAccessInst);
4109   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
4110
4111   if (LoadInst *LI = dyn_cast<LoadInst>(P))
4112     return LI->setOrdering(O);
4113   else if (FenceInst *FI = dyn_cast<FenceInst>(P))
4114     return FI->setOrdering(O);
4115   else if (AtomicRMWInst *ARWI = dyn_cast<AtomicRMWInst>(P))
4116     return ARWI->setOrdering(O);
4117   return cast<StoreInst>(P)->setOrdering(O);
4118 }
4119
4120 LLVMAtomicRMWBinOp LLVMGetAtomicRMWBinOp(LLVMValueRef Inst) {
4121   return mapToLLVMRMWBinOp(unwrap<AtomicRMWInst>(Inst)->getOperation());
4122 }
4123
4124 void LLVMSetAtomicRMWBinOp(LLVMValueRef Inst, LLVMAtomicRMWBinOp BinOp) {
4125   unwrap<AtomicRMWInst>(Inst)->setOperation(mapFromLLVMRMWBinOp(BinOp));
4126 }
4127
4128 /*--.. Casts ...............................................................--*/
4129
4130 LLVMValueRef LLVMBuildTrunc(LLVMBuilderRef B, LLVMValueRef Val,
4131                             LLVMTypeRef DestTy, const char *Name) {
4132   return wrap(unwrap(B)->CreateTrunc(unwrap(Val), unwrap(DestTy), Name));
4133 }
4134
4135 LLVMValueRef LLVMBuildZExt(LLVMBuilderRef B, LLVMValueRef Val,
4136                            LLVMTypeRef DestTy, const char *Name) {
4137   return wrap(unwrap(B)->CreateZExt(unwrap(Val), unwrap(DestTy), Name));
4138 }
4139
4140 LLVMValueRef LLVMBuildSExt(LLVMBuilderRef B, LLVMValueRef Val,
4141                            LLVMTypeRef DestTy, const char *Name) {
4142   return wrap(unwrap(B)->CreateSExt(unwrap(Val), unwrap(DestTy), Name));
4143 }
4144
4145 LLVMValueRef LLVMBuildFPToUI(LLVMBuilderRef B, LLVMValueRef Val,
4146                              LLVMTypeRef DestTy, const char *Name) {
4147   return wrap(unwrap(B)->CreateFPToUI(unwrap(Val), unwrap(DestTy), Name));
4148 }
4149
4150 LLVMValueRef LLVMBuildFPToSI(LLVMBuilderRef B, LLVMValueRef Val,
4151                              LLVMTypeRef DestTy, const char *Name) {
4152   return wrap(unwrap(B)->CreateFPToSI(unwrap(Val), unwrap(DestTy), Name));
4153 }
4154
4155 LLVMValueRef LLVMBuildUIToFP(LLVMBuilderRef B, LLVMValueRef Val,
4156                              LLVMTypeRef DestTy, const char *Name) {
4157   return wrap(unwrap(B)->CreateUIToFP(unwrap(Val), unwrap(DestTy), Name));
4158 }
4159
4160 LLVMValueRef LLVMBuildSIToFP(LLVMBuilderRef B, LLVMValueRef Val,
4161                              LLVMTypeRef DestTy, const char *Name) {
4162   return wrap(unwrap(B)->CreateSIToFP(unwrap(Val), unwrap(DestTy), Name));
4163 }
4164
4165 LLVMValueRef LLVMBuildFPTrunc(LLVMBuilderRef B, LLVMValueRef Val,
4166                               LLVMTypeRef DestTy, const char *Name) {
4167   return wrap(unwrap(B)->CreateFPTrunc(unwrap(Val), unwrap(DestTy), Name));
4168 }
4169
4170 LLVMValueRef LLVMBuildFPExt(LLVMBuilderRef B, LLVMValueRef Val,
4171                             LLVMTypeRef DestTy, const char *Name) {
4172   return wrap(unwrap(B)->CreateFPExt(unwrap(Val), unwrap(DestTy), Name));
4173 }
4174
4175 LLVMValueRef LLVMBuildPtrToInt(LLVMBuilderRef B, LLVMValueRef Val,
4176                                LLVMTypeRef DestTy, const char *Name) {
4177   return wrap(unwrap(B)->CreatePtrToInt(unwrap(Val), unwrap(DestTy), Name));
4178 }
4179
4180 LLVMValueRef LLVMBuildIntToPtr(LLVMBuilderRef B, LLVMValueRef Val,
4181                                LLVMTypeRef DestTy, const char *Name) {
4182   return wrap(unwrap(B)->CreateIntToPtr(unwrap(Val), unwrap(DestTy), Name));
4183 }
4184
4185 LLVMValueRef LLVMBuildBitCast(LLVMBuilderRef B, LLVMValueRef Val,
4186                               LLVMTypeRef DestTy, const char *Name) {
4187   return wrap(unwrap(B)->CreateBitCast(unwrap(Val), unwrap(DestTy), Name));
4188 }
4189
4190 LLVMValueRef LLVMBuildAddrSpaceCast(LLVMBuilderRef B, LLVMValueRef Val,
4191                                     LLVMTypeRef DestTy, const char *Name) {
4192   return wrap(unwrap(B)->CreateAddrSpaceCast(unwrap(Val), unwrap(DestTy), Name));
4193 }
4194
4195 LLVMValueRef LLVMBuildZExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
4196                                     LLVMTypeRef DestTy, const char *Name) {
4197   return wrap(unwrap(B)->CreateZExtOrBitCast(unwrap(Val), unwrap(DestTy),
4198                                              Name));
4199 }
4200
4201 LLVMValueRef LLVMBuildSExtOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
4202                                     LLVMTypeRef DestTy, const char *Name) {
4203   return wrap(unwrap(B)->CreateSExtOrBitCast(unwrap(Val), unwrap(DestTy),
4204                                              Name));
4205 }
4206
4207 LLVMValueRef LLVMBuildTruncOrBitCast(LLVMBuilderRef B, LLVMValueRef Val,
4208                                      LLVMTypeRef DestTy, const char *Name) {
4209   return wrap(unwrap(B)->CreateTruncOrBitCast(unwrap(Val), unwrap(DestTy),
4210                                               Name));
4211 }
4212
4213 LLVMValueRef LLVMBuildCast(LLVMBuilderRef B, LLVMOpcode Op, LLVMValueRef Val,
4214                            LLVMTypeRef DestTy, const char *Name) {
4215   return wrap(unwrap(B)->CreateCast(Instruction::CastOps(map_from_llvmopcode(Op)), unwrap(Val),
4216                                     unwrap(DestTy), Name));
4217 }
4218
4219 LLVMValueRef LLVMBuildPointerCast(LLVMBuilderRef B, LLVMValueRef Val,
4220                                   LLVMTypeRef DestTy, const char *Name) {
4221   return wrap(unwrap(B)->CreatePointerCast(unwrap(Val), unwrap(DestTy), Name));
4222 }
4223
4224 LLVMValueRef LLVMBuildIntCast2(LLVMBuilderRef B, LLVMValueRef Val,
4225                                LLVMTypeRef DestTy, LLVMBool IsSigned,
4226                                const char *Name) {
4227   return wrap(
4228       unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy), IsSigned, Name));
4229 }
4230
4231 LLVMValueRef LLVMBuildIntCast(LLVMBuilderRef B, LLVMValueRef Val,
4232                               LLVMTypeRef DestTy, const char *Name) {
4233   return wrap(unwrap(B)->CreateIntCast(unwrap(Val), unwrap(DestTy),
4234                                        /*isSigned*/true, Name));
4235 }
4236
4237 LLVMValueRef LLVMBuildFPCast(LLVMBuilderRef B, LLVMValueRef Val,
4238                              LLVMTypeRef DestTy, const char *Name) {
4239   return wrap(unwrap(B)->CreateFPCast(unwrap(Val), unwrap(DestTy), Name));
4240 }
4241
4242 LLVMOpcode LLVMGetCastOpcode(LLVMValueRef Src, LLVMBool SrcIsSigned,
4243                              LLVMTypeRef DestTy, LLVMBool DestIsSigned) {
4244   return map_to_llvmopcode(CastInst::getCastOpcode(
4245       unwrap(Src), SrcIsSigned, unwrap(DestTy), DestIsSigned));
4246 }
4247
4248 /*--.. Comparisons .........................................................--*/
4249
4250 LLVMValueRef LLVMBuildICmp(LLVMBuilderRef B, LLVMIntPredicate Op,
4251                            LLVMValueRef LHS, LLVMValueRef RHS,
4252                            const char *Name) {
4253   return wrap(unwrap(B)->CreateICmp(static_cast<ICmpInst::Predicate>(Op),
4254                                     unwrap(LHS), unwrap(RHS), Name));
4255 }
4256
4257 LLVMValueRef LLVMBuildFCmp(LLVMBuilderRef B, LLVMRealPredicate Op,
4258                            LLVMValueRef LHS, LLVMValueRef RHS,
4259                            const char *Name) {
4260   return wrap(unwrap(B)->CreateFCmp(static_cast<FCmpInst::Predicate>(Op),
4261                                     unwrap(LHS), unwrap(RHS), Name));
4262 }
4263
4264 /*--.. Miscellaneous instructions ..........................................--*/
4265
4266 LLVMValueRef LLVMBuildPhi(LLVMBuilderRef B, LLVMTypeRef Ty, const char *Name) {
4267   return wrap(unwrap(B)->CreatePHI(unwrap(Ty), 0, Name));
4268 }
4269
4270 LLVMValueRef LLVMBuildCall2(LLVMBuilderRef B, LLVMTypeRef Ty, LLVMValueRef Fn,
4271                             LLVMValueRef *Args, unsigned NumArgs,
4272                             const char *Name) {
4273   FunctionType *FTy = unwrap<FunctionType>(Ty);
4274   return wrap(unwrap(B)->CreateCall(FTy, unwrap(Fn),
4275                                     ArrayRef(unwrap(Args), NumArgs), Name));
4276 }
4277
4278 LLVMValueRef
4279 LLVMBuildCallWithOperandBundles(LLVMBuilderRef B, LLVMTypeRef Ty,
4280                                 LLVMValueRef Fn, LLVMValueRef *Args,
4281                                 unsigned NumArgs, LLVMOperandBundleRef *Bundles,
4282                                 unsigned NumBundles, const char *Name) {
4283   FunctionType *FTy = unwrap<FunctionType>(Ty);
4284   SmallVector<OperandBundleDef, 8> OBs;
4285   for (auto *Bundle : ArrayRef(Bundles, NumBundles)) {
4286     OperandBundleDef *OB = unwrap(Bundle);
4287     OBs.push_back(*OB);
4288   }
4289   return wrap(unwrap(B)->CreateCall(
4290       FTy, unwrap(Fn), ArrayRef(unwrap(Args), NumArgs), OBs, Name));
4291 }
4292
4293 LLVMValueRef LLVMBuildSelect(LLVMBuilderRef B, LLVMValueRef If,
4294                              LLVMValueRef Then, LLVMValueRef Else,
4295                              const char *Name) {
4296   return wrap(unwrap(B)->CreateSelect(unwrap(If), unwrap(Then), unwrap(Else),
4297                                       Name));
4298 }
4299
4300 LLVMValueRef LLVMBuildVAArg(LLVMBuilderRef B, LLVMValueRef List,
4301                             LLVMTypeRef Ty, const char *Name) {
4302   return wrap(unwrap(B)->CreateVAArg(unwrap(List), unwrap(Ty), Name));
4303 }
4304
4305 LLVMValueRef LLVMBuildExtractElement(LLVMBuilderRef B, LLVMValueRef VecVal,
4306                                       LLVMValueRef Index, const char *Name) {
4307   return wrap(unwrap(B)->CreateExtractElement(unwrap(VecVal), unwrap(Index),
4308                                               Name));
4309 }
4310
4311 LLVMValueRef LLVMBuildInsertElement(LLVMBuilderRef B, LLVMValueRef VecVal,
4312                                     LLVMValueRef EltVal, LLVMValueRef Index,
4313                                     const char *Name) {
4314   return wrap(unwrap(B)->CreateInsertElement(unwrap(VecVal), unwrap(EltVal),
4315                                              unwrap(Index), Name));
4316 }
4317
4318 LLVMValueRef LLVMBuildShuffleVector(LLVMBuilderRef B, LLVMValueRef V1,
4319                                     LLVMValueRef V2, LLVMValueRef Mask,
4320                                     const char *Name) {
4321   return wrap(unwrap(B)->CreateShuffleVector(unwrap(V1), unwrap(V2),
4322                                              unwrap(Mask), Name));
4323 }
4324
4325 LLVMValueRef LLVMBuildExtractValue(LLVMBuilderRef B, LLVMValueRef AggVal,
4326                                    unsigned Index, const char *Name) {
4327   return wrap(unwrap(B)->CreateExtractValue(unwrap(AggVal), Index, Name));
4328 }
4329
4330 LLVMValueRef LLVMBuildInsertValue(LLVMBuilderRef B, LLVMValueRef AggVal,
4331                                   LLVMValueRef EltVal, unsigned Index,
4332                                   const char *Name) {
4333   return wrap(unwrap(B)->CreateInsertValue(unwrap(AggVal), unwrap(EltVal),
4334                                            Index, Name));
4335 }
4336
4337 LLVMValueRef LLVMBuildFreeze(LLVMBuilderRef B, LLVMValueRef Val,
4338                              const char *Name) {
4339   return wrap(unwrap(B)->CreateFreeze(unwrap(Val), Name));
4340 }
4341
4342 LLVMValueRef LLVMBuildIsNull(LLVMBuilderRef B, LLVMValueRef Val,
4343                              const char *Name) {
4344   return wrap(unwrap(B)->CreateIsNull(unwrap(Val), Name));
4345 }
4346
4347 LLVMValueRef LLVMBuildIsNotNull(LLVMBuilderRef B, LLVMValueRef Val,
4348                                 const char *Name) {
4349   return wrap(unwrap(B)->CreateIsNotNull(unwrap(Val), Name));
4350 }
4351
4352 LLVMValueRef LLVMBuildPtrDiff2(LLVMBuilderRef B, LLVMTypeRef ElemTy,
4353                                LLVMValueRef LHS, LLVMValueRef RHS,
4354                                const char *Name) {
4355   return wrap(unwrap(B)->CreatePtrDiff(unwrap(ElemTy), unwrap(LHS),
4356                                        unwrap(RHS), Name));
4357 }
4358
4359 LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef B,LLVMAtomicRMWBinOp op,
4360                                LLVMValueRef PTR, LLVMValueRef Val,
4361                                LLVMAtomicOrdering ordering,
4362                                LLVMBool singleThread) {
4363   AtomicRMWInst::BinOp intop = mapFromLLVMRMWBinOp(op);
4364   return wrap(unwrap(B)->CreateAtomicRMW(
4365       intop, unwrap(PTR), unwrap(Val), MaybeAlign(),
4366       mapFromLLVMOrdering(ordering),
4367       singleThread ? SyncScope::SingleThread : SyncScope::System));
4368 }
4369
4370 LLVMValueRef LLVMBuildAtomicRMWSyncScope(LLVMBuilderRef B,
4371                                          LLVMAtomicRMWBinOp op,
4372                                          LLVMValueRef PTR, LLVMValueRef Val,
4373                                          LLVMAtomicOrdering ordering,
4374                                          unsigned SSID) {
4375   AtomicRMWInst::BinOp intop = mapFromLLVMRMWBinOp(op);
4376   return wrap(unwrap(B)->CreateAtomicRMW(intop, unwrap(PTR), unwrap(Val),
4377                                          MaybeAlign(),
4378                                          mapFromLLVMOrdering(ordering), SSID));
4379 }
4380
4381 LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef B, LLVMValueRef Ptr,
4382                                     LLVMValueRef Cmp, LLVMValueRef New,
4383                                     LLVMAtomicOrdering SuccessOrdering,
4384                                     LLVMAtomicOrdering FailureOrdering,
4385                                     LLVMBool singleThread) {
4386
4387   return wrap(unwrap(B)->CreateAtomicCmpXchg(
4388       unwrap(Ptr), unwrap(Cmp), unwrap(New), MaybeAlign(),
4389       mapFromLLVMOrdering(SuccessOrdering),
4390       mapFromLLVMOrdering(FailureOrdering),
4391       singleThread ? SyncScope::SingleThread : SyncScope::System));
4392 }
4393
4394 LLVMValueRef LLVMBuildAtomicCmpXchgSyncScope(LLVMBuilderRef B, LLVMValueRef Ptr,
4395                                              LLVMValueRef Cmp, LLVMValueRef New,
4396                                              LLVMAtomicOrdering SuccessOrdering,
4397                                              LLVMAtomicOrdering FailureOrdering,
4398                                              unsigned SSID) {
4399   return wrap(unwrap(B)->CreateAtomicCmpXchg(
4400       unwrap(Ptr), unwrap(Cmp), unwrap(New), MaybeAlign(),
4401       mapFromLLVMOrdering(SuccessOrdering),
4402       mapFromLLVMOrdering(FailureOrdering), SSID));
4403 }
4404
4405 unsigned LLVMGetNumMaskElements(LLVMValueRef SVInst) {
4406   Value *P = unwrap(SVInst);
4407   ShuffleVectorInst *I = cast<ShuffleVectorInst>(P);
4408   return I->getShuffleMask().size();
4409 }
4410
4411 int LLVMGetMaskValue(LLVMValueRef SVInst, unsigned Elt) {
4412   Value *P = unwrap(SVInst);
4413   ShuffleVectorInst *I = cast<ShuffleVectorInst>(P);
4414   return I->getMaskValue(Elt);
4415 }
4416
4417 int LLVMGetUndefMaskElem(void) { return PoisonMaskElem; }
4418
4419 LLVMBool LLVMIsAtomic(LLVMValueRef Inst) {
4420   return unwrap<Instruction>(Inst)->isAtomic();
4421 }
4422
4423 LLVMBool LLVMIsAtomicSingleThread(LLVMValueRef AtomicInst) {
4424   // Backwards compatibility: return false for non-atomic instructions
4425   Instruction *I = unwrap<Instruction>(AtomicInst);
4426   if (!I->isAtomic())
4427     return 0;
4428
4429   return *getAtomicSyncScopeID(I) == SyncScope::SingleThread;
4430 }
4431
4432 void LLVMSetAtomicSingleThread(LLVMValueRef AtomicInst, LLVMBool NewValue) {
4433   // Backwards compatibility: ignore non-atomic instructions
4434   Instruction *I = unwrap<Instruction>(AtomicInst);
4435   if (!I->isAtomic())
4436     return;
4437
4438   SyncScope::ID SSID = NewValue ? SyncScope::SingleThread : SyncScope::System;
4439   setAtomicSyncScopeID(I, SSID);
4440 }
4441
4442 unsigned LLVMGetAtomicSyncScopeID(LLVMValueRef AtomicInst) {
4443   Instruction *I = unwrap<Instruction>(AtomicInst);
4444   assert(I->isAtomic() && "Expected an atomic instruction");
4445   return *getAtomicSyncScopeID(I);
4446 }
4447
4448 void LLVMSetAtomicSyncScopeID(LLVMValueRef AtomicInst, unsigned SSID) {
4449   Instruction *I = unwrap<Instruction>(AtomicInst);
4450   assert(I->isAtomic() && "Expected an atomic instruction");
4451   setAtomicSyncScopeID(I, SSID);
4452 }
4453
4454 LLVMAtomicOrdering LLVMGetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst)  {
4455   Value *P = unwrap(CmpXchgInst);
4456   return mapToLLVMOrdering(cast<AtomicCmpXchgInst>(P)->getSuccessOrdering());
4457 }
4458
4459 void LLVMSetCmpXchgSuccessOrdering(LLVMValueRef CmpXchgInst,
4460                                    LLVMAtomicOrdering Ordering) {
4461   Value *P = unwrap(CmpXchgInst);
4462   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
4463
4464   return cast<AtomicCmpXchgInst>(P)->setSuccessOrdering(O);
4465 }
4466
4467 LLVMAtomicOrdering LLVMGetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst)  {
4468   Value *P = unwrap(CmpXchgInst);
4469   return mapToLLVMOrdering(cast<AtomicCmpXchgInst>(P)->getFailureOrdering());
4470 }
4471
4472 void LLVMSetCmpXchgFailureOrdering(LLVMValueRef CmpXchgInst,
4473                                    LLVMAtomicOrdering Ordering) {
4474   Value *P = unwrap(CmpXchgInst);
4475   AtomicOrdering O = mapFromLLVMOrdering(Ordering);
4476
4477   return cast<AtomicCmpXchgInst>(P)->setFailureOrdering(O);
4478 }
4479
4480 /*===-- Module providers --------------------------------------------------===*/
4481
4482 LLVMModuleProviderRef
4483 LLVMCreateModuleProviderForExistingModule(LLVMModuleRef M) {
4484   return reinterpret_cast<LLVMModuleProviderRef>(M);
4485 }
4486
4487 void LLVMDisposeModuleProvider(LLVMModuleProviderRef MP) {
4488   delete unwrap(MP);
4489 }
4490
4491
4492 /*===-- Memory buffers ----------------------------------------------------===*/
4493
4494 LLVMBool LLVMCreateMemoryBufferWithContentsOfFile(
4495     const char *Path,
4496     LLVMMemoryBufferRef *OutMemBuf,
4497     char **OutMessage) {
4498
4499   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getFile(Path);
4500   if (std::error_code EC = MBOrErr.getError()) {
4501     *OutMessage = strdup(EC.message().c_str());
4502     return 1;
4503   }
4504   *OutMemBuf = wrap(MBOrErr.get().release());
4505   return 0;
4506 }
4507
4508 LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
4509                                          char **OutMessage) {
4510   ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getSTDIN();
4511   if (std::error_code EC = MBOrErr.getError()) {
4512     *OutMessage = strdup(EC.message().c_str());
4513     return 1;
4514   }
4515   *OutMemBuf = wrap(MBOrErr.get().release());
4516   return 0;
4517 }
4518
4519 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRange(
4520     const char *InputData,
4521     size_t InputDataLength,
4522     const char *BufferName,
4523     LLVMBool RequiresNullTerminator) {
4524
4525   return wrap(MemoryBuffer::getMemBuffer(StringRef(InputData, InputDataLength),
4526                                          StringRef(BufferName),
4527                                          RequiresNullTerminator).release());
4528 }
4529
4530 LLVMMemoryBufferRef LLVMCreateMemoryBufferWithMemoryRangeCopy(
4531     const char *InputData,
4532     size_t InputDataLength,
4533     const char *BufferName) {
4534
4535   return wrap(
4536       MemoryBuffer::getMemBufferCopy(StringRef(InputData, InputDataLength),
4537                                      StringRef(BufferName)).release());
4538 }
4539
4540 const char *LLVMGetBufferStart(LLVMMemoryBufferRef MemBuf) {
4541   return unwrap(MemBuf)->getBufferStart();
4542 }
4543
4544 size_t LLVMGetBufferSize(LLVMMemoryBufferRef MemBuf) {
4545   return unwrap(MemBuf)->getBufferSize();
4546 }
4547
4548 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
4549   delete unwrap(MemBuf);
4550 }
4551
4552 /*===-- Pass Manager ------------------------------------------------------===*/
4553
4554 LLVMPassManagerRef LLVMCreatePassManager() {
4555   return wrap(new legacy::PassManager());
4556 }
4557
4558 LLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M) {
4559   return wrap(new legacy::FunctionPassManager(unwrap(M)));
4560 }
4561
4562 LLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) {
4563   return LLVMCreateFunctionPassManagerForModule(
4564                                             reinterpret_cast<LLVMModuleRef>(P));
4565 }
4566
4567 LLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) {
4568   return unwrap<legacy::PassManager>(PM)->run(*unwrap(M));
4569 }
4570
4571 LLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) {
4572   return unwrap<legacy::FunctionPassManager>(FPM)->doInitialization();
4573 }
4574
4575 LLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) {
4576   return unwrap<legacy::FunctionPassManager>(FPM)->run(*unwrap<Function>(F));
4577 }
4578
4579 LLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) {
4580   return unwrap<legacy::FunctionPassManager>(FPM)->doFinalization();
4581 }
4582
4583 void LLVMDisposePassManager(LLVMPassManagerRef PM) {
4584   delete unwrap(PM);
4585 }
4586
4587 /*===-- Threading ------------------------------------------------------===*/
4588
4589 LLVMBool LLVMStartMultithreaded() {
4590   return LLVMIsMultithreaded();
4591 }
4592
4593 void LLVMStopMultithreaded() {
4594 }
4595
4596 LLVMBool LLVMIsMultithreaded() {
4597   return llvm_is_multithreaded();
4598 }