lib/Analysis/Analysis.cpp

   1 //===-- Analysis.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 #include "llvm-c/Analysis.h"
  10 #include "llvm-c/Initialization.h"
  11 #include "llvm/IR/Module.h"
  12 #include "llvm/IR/Verifier.h"
  13 #include "llvm/InitializePasses.h"
  14 #include "llvm/PassRegistry.h"
  15 #include "llvm/Support/raw_ostream.h"
  16 #include <cstring>
  17
  18 using namespace llvm;
  19
  20 /// initializeAnalysis - Initialize all passes linked into the Analysis library.
  21 void llvm::initializeAnalysis(PassRegistry &Registry) {
  22   initializeAAEvalLegacyPassPass(Registry);
  23   initializeAliasSetPrinterPass(Registry);
  24   initializeBasicAAWrapperPassPass(Registry);
  25   initializeBlockFrequencyInfoWrapperPassPass(Registry);
  26   initializeBranchProbabilityInfoWrapperPassPass(Registry);
  27   initializeCallGraphWrapperPassPass(Registry);
  28   initializeCallGraphDOTPrinterPass(Registry);
  29   initializeCallGraphPrinterLegacyPassPass(Registry);
  30   initializeCallGraphViewerPass(Registry);
  31   initializeCostModelAnalysisPass(Registry);
  32   initializeCFGViewerLegacyPassPass(Registry);
  33   initializeCFGPrinterLegacyPassPass(Registry);
  34   initializeCFGOnlyViewerLegacyPassPass(Registry);
  35   initializeCFGOnlyPrinterLegacyPassPass(Registry);
  36   initializeCFLAndersAAWrapperPassPass(Registry);
  37   initializeCFLSteensAAWrapperPassPass(Registry);
  38   initializeDependenceAnalysisWrapperPassPass(Registry);
  39   initializeDelinearizationPass(Registry);
  40   initializeDemandedBitsWrapperPassPass(Registry);
  41   initializeDominanceFrontierWrapperPassPass(Registry);
  42   initializeDomViewerPass(Registry);
  43   initializeDomPrinterPass(Registry);
  44   initializeDomOnlyViewerPass(Registry);
  45   initializePostDomViewerPass(Registry);
  46   initializeDomOnlyPrinterPass(Registry);
  47   initializePostDomPrinterPass(Registry);
  48   initializePostDomOnlyViewerPass(Registry);
  49   initializePostDomOnlyPrinterPass(Registry);
  50   initializeAAResultsWrapperPassPass(Registry);
  51   initializeGlobalsAAWrapperPassPass(Registry);
  52   initializeIVUsersWrapperPassPass(Registry);
  53   initializeInstCountPass(Registry);
  54   initializeIntervalPartitionPass(Registry);
  55   initializeLazyBranchProbabilityInfoPassPass(Registry);
  56   initializeLazyBlockFrequencyInfoPassPass(Registry);
  57   initializeLazyValueInfoWrapperPassPass(Registry);
  58   initializeLazyValueInfoPrinterPass(Registry);
  59   initializeLegacyDivergenceAnalysisPass(Registry);
  60   initializeLintPass(Registry);
  61   initializeLoopInfoWrapperPassPass(Registry);
  62   initializeMemDepPrinterPass(Registry);
  63   initializeMemDerefPrinterPass(Registry);
  64   initializeMemoryDependenceWrapperPassPass(Registry);
  65   initializeModuleDebugInfoPrinterPass(Registry);
  66   initializeModuleSummaryIndexWrapperPassPass(Registry);
  67   initializeMustExecutePrinterPass(Registry);
  68   initializeObjCARCAAWrapperPassPass(Registry);
  69   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
  70   initializePhiValuesWrapperPassPass(Registry);
  71   initializePostDominatorTreeWrapperPassPass(Registry);
  72   initializeRegionInfoPassPass(Registry);
  73   initializeRegionViewerPass(Registry);
  74   initializeRegionPrinterPass(Registry);
  75   initializeRegionOnlyViewerPass(Registry);
  76   initializeRegionOnlyPrinterPass(Registry);
  77   initializeSCEVAAWrapperPassPass(Registry);
  78   initializeScalarEvolutionWrapperPassPass(Registry);
  79   initializeStackSafetyGlobalInfoWrapperPassPass(Registry);
  80   initializeStackSafetyInfoWrapperPassPass(Registry);
  81   initializeTargetTransformInfoWrapperPassPass(Registry);
  82   initializeTypeBasedAAWrapperPassPass(Registry);
  83   initializeScopedNoAliasAAWrapperPassPass(Registry);
  84   initializeLCSSAVerificationPassPass(Registry);
  85   initializeMemorySSAWrapperPassPass(Registry);
  86   initializeMemorySSAPrinterLegacyPassPass(Registry);
  87 }
  88
  89 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
  90   initializeAnalysis(*unwrap(R));
  91 }
  92
  93 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
  94   initializeAnalysis(*unwrap(R));
  95 }
  96
  97 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
  98                           char **OutMessages) {
  99   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
 100   std::string Messages;
 101   raw_string_ostream MsgsOS(Messages);
 102
 103   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
 104
 105   // Duplicate the output to stderr.
 106   if (DebugOS && OutMessages)
 107     *DebugOS << MsgsOS.str();
 108
 109   if (Action == LLVMAbortProcessAction && Result)
 110     report_fatal_error("Broken module found, compilation aborted!");
 111
 112   if (OutMessages)
 113     *OutMessages = strdup(MsgsOS.str().c_str());
 114
 115   return Result;
 116 }
 117
 118 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
 119   LLVMBool Result = verifyFunction(
 120       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
 121                                                               : nullptr);
 122
 123   if (Action == LLVMAbortProcessAction && Result)
 124     report_fatal_error("Broken function found, compilation aborted!");
 125
 126   return Result;
 127 }
 128
 129 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
 130   Function *F = unwrap<Function>(Fn);
 131   F->viewCFG();
 132 }
 133
 134 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
 135   Function *F = unwrap<Function>(Fn);
 136   F->viewCFGOnly();
 137 }