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   initializeAAEvalPass(Registry);
  24   initializeAliasSetPrinterPass(Registry);
  25   initializeBasicAAWrapperPassPass(Registry);
  26   initializeBlockFrequencyInfoWrapperPassPass(Registry);
  27   initializeBranchProbabilityInfoWrapperPassPass(Registry);
  28   initializeCallGraphWrapperPassPass(Registry);
  29   initializeCallGraphPrinterPass(Registry);
  30   initializeCallGraphViewerPass(Registry);
  31   initializeCostModelAnalysisPass(Registry);
  32   initializeCFGViewerPass(Registry);
  33   initializeCFGPrinterPass(Registry);
  34   initializeCFGOnlyViewerPass(Registry);
  35   initializeCFGOnlyPrinterPass(Registry);
  36   initializeCFLAAWrapperPassPass(Registry);
  37   initializeDependenceAnalysisPass(Registry);
  38   initializeDelinearizationPass(Registry);
  39   initializeDemandedBitsPass(Registry);
  40   initializeDivergenceAnalysisPass(Registry);
  41   initializeDominanceFrontierPass(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   initializeIVUsersPass(Registry);
  53   initializeInstCountPass(Registry);
  54   initializeIntervalPartitionPass(Registry);
  55   initializeLazyValueInfoPass(Registry);
  56   initializeLintPass(Registry);
  57   initializeLoopInfoWrapperPassPass(Registry);
  58   initializeMemDepPrinterPass(Registry);
  59   initializeMemDerefPrinterPass(Registry);
  60   initializeMemoryDependenceAnalysisPass(Registry);
  61   initializeModuleDebugInfoPrinterPass(Registry);
  62   initializeObjCARCAAWrapperPassPass(Registry);
  63   initializePostDominatorTreePass(Registry);
  64   initializeRegionInfoPassPass(Registry);
  65   initializeRegionViewerPass(Registry);
  66   initializeRegionPrinterPass(Registry);
  67   initializeRegionOnlyViewerPass(Registry);
  68   initializeRegionOnlyPrinterPass(Registry);
  69   initializeSCEVAAWrapperPassPass(Registry);
  70   initializeScalarEvolutionWrapperPassPass(Registry);
  71   initializeTargetTransformInfoWrapperPassPass(Registry);
  72   initializeTypeBasedAAWrapperPassPass(Registry);
  73   initializeScopedNoAliasAAWrapperPassPass(Registry);
  74 }
  75
  76 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
  77   initializeAnalysis(*unwrap(R));
  78 }
  79
  80 void LLVMInitializeIPA(LLVMPassRegistryRef R) {
  81   initializeAnalysis(*unwrap(R));
  82 }
  83
  84 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
  85                           char **OutMessages) {
  86   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
  87   std::string Messages;
  88   raw_string_ostream MsgsOS(Messages);
  89
  90   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
  91
  92   // Duplicate the output to stderr.
  93   if (DebugOS && OutMessages)
  94     *DebugOS << MsgsOS.str();
  95
  96   if (Action == LLVMAbortProcessAction && Result)
  97     report_fatal_error("Broken module found, compilation aborted!");
  98
  99   if (OutMessages)
 100     *OutMessages = strdup(MsgsOS.str().c_str());
 101
 102   return Result;
 103 }
 104
 105 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
 106   LLVMBool Result = verifyFunction(
 107       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
 108                                                               : nullptr);
 109
 110   if (Action == LLVMAbortProcessAction && Result)
 111     report_fatal_error("Broken function found, compilation aborted!");
 112
 113   return Result;
 114 }
 115
 116 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
 117   Function *F = unwrap<Function>(Fn);
 118   F->viewCFG();
 119 }
 120
 121 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
 122   Function *F = unwrap<Function>(Fn);
 123   F->viewCFGOnly();
 124 }