bindings/go/llvm/IRBindings.cpp

   1 //===- IRBindings.cpp - Additional bindings for ir ------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file defines additional C bindings for the ir component.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "IRBindings.h"
  15 #include "llvm/IR/Attributes.h"
  16 #include "llvm/IR/DebugLoc.h"
  17 #include "llvm/IR/DebugInfoMetadata.h"
  18 #include "llvm/IR/Function.h"
  19 #include "llvm/IR/IRBuilder.h"
  20 #include "llvm/IR/LLVMContext.h"
  21 #include "llvm/IR/Module.h"
  22
  23 using namespace llvm;
  24
  25 LLVMMetadataRef LLVMConstantAsMetadata(LLVMValueRef C) {
  26   return wrap(ConstantAsMetadata::get(unwrap<Constant>(C)));
  27 }
  28
  29 LLVMMetadataRef LLVMMDString2(LLVMContextRef C, const char *Str, unsigned SLen) {
  30   return wrap(MDString::get(*unwrap(C), StringRef(Str, SLen)));
  31 }
  32
  33 LLVMMetadataRef LLVMMDNode2(LLVMContextRef C, LLVMMetadataRef *MDs,
  34                             unsigned Count) {
  35   return wrap(
  36       MDNode::get(*unwrap(C), ArrayRef<Metadata *>(unwrap(MDs), Count)));
  37 }
  38
  39 LLVMMetadataRef LLVMTemporaryMDNode(LLVMContextRef C, LLVMMetadataRef *MDs,
  40                                     unsigned Count) {
  41   return wrap(MDTuple::getTemporary(*unwrap(C),
  42                                     ArrayRef<Metadata *>(unwrap(MDs), Count))
  43                   .release());
  44 }
  45
  46 void LLVMAddNamedMetadataOperand2(LLVMModuleRef M, const char *name,
  47                                   LLVMMetadataRef Val) {
  48   NamedMDNode *N = unwrap(M)->getOrInsertNamedMetadata(name);
  49   if (!N)
  50     return;
  51   if (!Val)
  52     return;
  53   N->addOperand(unwrap<MDNode>(Val));
  54 }
  55
  56 void LLVMSetMetadata2(LLVMValueRef Inst, unsigned KindID, LLVMMetadataRef MD) {
  57   MDNode *N = MD ? unwrap<MDNode>(MD) : nullptr;
  58   unwrap<Instruction>(Inst)->setMetadata(KindID, N);
  59 }
  60
  61 void LLVMMetadataReplaceAllUsesWith(LLVMMetadataRef MD, LLVMMetadataRef New) {
  62   auto *Node = unwrap<MDNode>(MD);
  63   Node->replaceAllUsesWith(unwrap<Metadata>(New));
  64   MDNode::deleteTemporary(Node);
  65 }
  66
  67 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Bref, unsigned Line,
  68                                   unsigned Col, LLVMMetadataRef Scope,
  69                                   LLVMMetadataRef InlinedAt) {
  70   unwrap(Bref)->SetCurrentDebugLocation(
  71       DebugLoc::get(Line, Col, Scope ? unwrap<MDNode>(Scope) : nullptr,
  72                     InlinedAt ? unwrap<MDNode>(InlinedAt) : nullptr));
  73 }
  74
  75 LLVMDebugLocMetadata LLVMGetCurrentDebugLocation2(LLVMBuilderRef Bref) {
  76   const auto& Loc = unwrap(Bref)->getCurrentDebugLocation();
  77   const auto* InlinedAt = Loc.getInlinedAt();
  78   const LLVMDebugLocMetadata md{
  79     Loc.getLine(),
  80     Loc.getCol(),
  81     wrap(Loc.getScope()),
  82     InlinedAt == nullptr ? nullptr : wrap(InlinedAt->getRawInlinedAt()),
  83   };
  84   return md;
  85 }
  86
  87 void LLVMSetSubprogram(LLVMValueRef Func, LLVMMetadataRef SP) {
  88   unwrap<Function>(Func)->setSubprogram(unwrap<DISubprogram>(SP));
  89 }