llvm/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   initializeInstCountLegacyPassPass(Registry);
  54   initializeIntervalPartitionPass(Registry);
  55   initializeIRSimilarityIdentifierWrapperPassPass(Registry);
  56   initializeLazyBranchProbabilityInfoPassPass(Registry);
  57   initializeLazyBlockFrequencyInfoPassPass(Registry);
  58   initializeLazyValueInfoWrapperPassPass(Registry);
  59   initializeLazyValueInfoPrinterPass(Registry);
  60   initializeLegacyDivergenceAnalysisPass(Registry);
  61   initializeLintLegacyPassPass(Registry);
  62   initializeLoopInfoWrapperPassPass(Registry);
  63   initializeMemDepPrinterPass(Registry);
  64   initializeMemDerefPrinterPass(Registry);
  65   initializeMemoryDependenceWrapperPassPass(Registry);
  66   initializeModuleDebugInfoLegacyPrinterPass(Registry);
  67   initializeModuleSummaryIndexWrapperPassPass(Registry);
  68   initializeMustExecutePrinterPass(Registry);
  69   initializeMustBeExecutedContextPrinterPass(Registry);
  70   initializeObjCARCAAWrapperPassPass(Registry);
  71   initializeOptimizationRemarkEmitterWrapperPassPass(Registry);
  72   initializePhiValuesWrapperPassPass(Registry);
  73   initializePostDominatorTreeWrapperPassPass(Registry);
  74   initializeRegionInfoPassPass(Registry);
  75   initializeRegionViewerPass(Registry);
  76   initializeRegionPrinterPass(Registry);
  77   initializeRegionOnlyViewerPass(Registry);
  78   initializeRegionOnlyPrinterPass(Registry);
  79   initializeSCEVAAWrapperPassPass(Registry);
  80   initializeScalarEvolutionWrapperPassPass(Registry);
  81   initializeStackSafetyGlobalInfoWrapperPassPass(Registry);
  82   initializeStackSafetyInfoWrapperPassPass(Registry);
  83   initializeTargetTransformInfoWrapperPassPass(Registry);
  84   initializeTypeBasedAAWrapperPassPass(Registry);
  85   initializeScopedNoAliasAAWrapperPassPass(Registry);
  86   initializeLCSSAVerificationPassPass(Registry);
  87   initializeMemorySSAWrapperPassPass(Registry);
  88   initializeMemorySSAPrinterLegacyPassPass(Registry);
  89 }
  90
  91 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
  92   initializeAnalysis(*unwrap(R));
  93 }
  94
  95 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
  96   initializeAnalysis(*unwrap(R));
  97 }
  98
  99 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
 100                           char **OutMessages) {
 101   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
 102   std::string Messages;
 103   raw_string_ostream MsgsOS(Messages);
 104
 105   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
 106
 107   // Duplicate the output to stderr.
 108   if (DebugOS && OutMessages)
 109     *DebugOS << MsgsOS.str();
 110
 111   if (Action == LLVMAbortProcessAction && Result)
 112     report_fatal_error("Broken module found, compilation aborted!");
 113
 114   if (OutMessages)
 115     *OutMessages = strdup(MsgsOS.str().c_str());
 116
 117   return Result;
 118 }
 119
 120 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
 121   LLVMBool Result = verifyFunction(
 122       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
 123                                                               : nullptr);
 124
 125   if (Action == LLVMAbortProcessAction && Result)
 126     report_fatal_error("Broken function found, compilation aborted!");
 127
 128   return Result;
 129 }
 130
 131 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
 132   Function *F = unwrap<Function>(Fn);
 133   F->viewCFG();
 134 }
 135
 136 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
 137   Function *F = unwrap<Function>(Fn);
 138   F->viewCFGOnly();
 139 }