lib/Analysis/Analysis.cpp

   1 //===-- Analysis.cpp ------------------------------------------------------===//
   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 #include "llvm-c/Analysis.h"
  11 #include "llvm-c/Initialization.h"
  12 #include "llvm/IR/Module.h"
  13 #include "llvm/IR/Verifier.h"
  14 #include "llvm/InitializePasses.h"
  15 #include "llvm/PassRegistry.h"
  16 #include "llvm/Support/raw_ostream.h"
  17 #include <cstring>
  18
  19 using namespace llvm;
  20
  21 /// initializeAnalysis - Initialize all passes linked into the Analysis library.
  22 void llvm::initializeAnalysis(PassRegistry &Registry) {
  23   initializeAliasAnalysisAnalysisGroup(Registry);
  24   initializeAliasAnalysisCounterPass(Registry);
  25   initializeAAEvalPass(Registry);
  26   initializeAliasSetPrinterPass(Registry);
  27   initializeNoAAPass(Registry);
  28   initializeBasicAliasAnalysisPass(Registry);
  29   initializeBlockFrequencyInfoWrapperPassPass(Registry);
  30   initializeBranchProbabilityInfoWrapperPassPass(Registry);
  31   initializeCallGraphWrapperPassPass(Registry);
  32   initializeCallGraphPrinterPass(Registry);
  33   initializeCallGraphViewerPass(Registry);
  34   initializeCostModelAnalysisPass(Registry);
  35   initializeCFGViewerPass(Registry);
  36   initializeCFGPrinterPass(Registry);
  37   initializeCFGOnlyViewerPass(Registry);
  38   initializeCFGOnlyPrinterPass(Registry);
  39   initializeCFLAliasAnalysisPass(Registry);
  40   initializeDependenceAnalysisPass(Registry);
  41   initializeDelinearizationPass(Registry);
  42   initializeDemandedBitsPass(Registry);
  43   initializeDivergenceAnalysisPass(Registry);
  44   initializeDominanceFrontierPass(Registry);
  45   initializeDomViewerPass(Registry);
  46   initializeDomPrinterPass(Registry);
  47   initializeDomOnlyViewerPass(Registry);
  48   initializePostDomViewerPass(Registry);
  49   initializeDomOnlyPrinterPass(Registry);
  50   initializePostDomPrinterPass(Registry);
  51   initializePostDomOnlyViewerPass(Registry);
  52   initializePostDomOnlyPrinterPass(Registry);
  53   initializeGlobalsModRefPass(Registry);
  54   initializeIVUsersPass(Registry);
  55   initializeInstCountPass(Registry);
  56   initializeIntervalPartitionPass(Registry);
  57   initializeLazyValueInfoPass(Registry);
  58   initializeLintPass(Registry);
  59   initializeLoopInfoWrapperPassPass(Registry);
  60   initializeMemDepPrinterPass(Registry);
  61   initializeMemDerefPrinterPass(Registry);
  62   initializeMemoryDependenceAnalysisPass(Registry);
  63   initializeModuleDebugInfoPrinterPass(Registry);
  64   initializePostDominatorTreePass(Registry);
  65   initializeRegionInfoPassPass(Registry);
  66   initializeRegionViewerPass(Registry);
  67   initializeRegionPrinterPass(Registry);
  68   initializeRegionOnlyViewerPass(Registry);
  69   initializeRegionOnlyPrinterPass(Registry);
  70   initializeScalarEvolutionWrapperPassPass(Registry);
  71   initializeScalarEvolutionAliasAnalysisPass(Registry);
  72   initializeTargetTransformInfoWrapperPassPass(Registry);
  73   initializeTypeBasedAliasAnalysisPass(Registry);
  74   initializeScopedNoAliasAAPass(Registry);
  75 }
  76
  77 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
  78   initializeAnalysis(*unwrap(R));
  79 }
  80
  81 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
  82   initializeAnalysis(*unwrap(R));
  83 }
  84
  85 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
  86                           char **OutMessages) {
  87   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
  88   std::string Messages;
  89   raw_string_ostream MsgsOS(Messages);
  90
  91   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
  92
  93   // Duplicate the output to stderr.
  94   if (DebugOS && OutMessages)
  95     *DebugOS << MsgsOS.str();
  96
  97   if (Action == LLVMAbortProcessAction && Result)
  98     report_fatal_error("Broken module found, compilation aborted!");
  99
 100   if (OutMessages)
 101     *OutMessages = strdup(MsgsOS.str().c_str());
 102
 103   return Result;
 104 }
 105
 106 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
 107   LLVMBool Result = verifyFunction(
 108       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
 109                                                               : nullptr);
 110
 111   if (Action == LLVMAbortProcessAction && Result)
 112     report_fatal_error("Broken function found, compilation aborted!");
 113
 114   return Result;
 115 }
 116
 117 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
 118   Function *F = unwrap<Function>(Fn);
 119   F->viewCFG();
 120 }
 121
 122 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
 123   Function *F = unwrap<Function>(Fn);
 124   F->viewCFGOnly();
 125 }