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   initializeAliasDebuggerPass(Registry);
  27   initializeAliasSetPrinterPass(Registry);
  28   initializeNoAAPass(Registry);
  29   initializeBasicAliasAnalysisPass(Registry);
  30   initializeBlockFrequencyInfoPass(Registry);
  31   initializeBranchProbabilityInfoPass(Registry);
  32   initializeCostModelAnalysisPass(Registry);
  33   initializeCFGViewerPass(Registry);
  34   initializeCFGPrinterPass(Registry);
  35   initializeCFGOnlyViewerPass(Registry);
  36   initializeCFGOnlyPrinterPass(Registry);
  37   initializeCFLAliasAnalysisPass(Registry);
  38   initializeDependenceAnalysisPass(Registry);
  39   initializeDelinearizationPass(Registry);
  40   initializeDominanceFrontierPass(Registry);
  41   initializeDomViewerPass(Registry);
  42   initializeDomPrinterPass(Registry);
  43   initializeDomOnlyViewerPass(Registry);
  44   initializePostDomViewerPass(Registry);
  45   initializeDomOnlyPrinterPass(Registry);
  46   initializePostDomPrinterPass(Registry);
  47   initializePostDomOnlyViewerPass(Registry);
  48   initializePostDomOnlyPrinterPass(Registry);
  49   initializeIVUsersPass(Registry);
  50   initializeInstCountPass(Registry);
  51   initializeIntervalPartitionPass(Registry);
  52   initializeJumpInstrTableInfoPass(Registry);
  53   initializeLazyValueInfoPass(Registry);
  54   initializeLibCallAliasAnalysisPass(Registry);
  55   initializeLintPass(Registry);
  56   initializeLoopInfoPass(Registry);
  57   initializeMemDepPrinterPass(Registry);
  58   initializeMemoryDependenceAnalysisPass(Registry);
  59   initializeModuleDebugInfoPrinterPass(Registry);
  60   initializePostDominatorTreePass(Registry);
  61   initializeRegionInfoPassPass(Registry);
  62   initializeRegionViewerPass(Registry);
  63   initializeRegionPrinterPass(Registry);
  64   initializeRegionOnlyViewerPass(Registry);
  65   initializeRegionOnlyPrinterPass(Registry);
  66   initializeScalarEvolutionPass(Registry);
  67   initializeScalarEvolutionAliasAnalysisPass(Registry);
  68   initializeTargetTransformInfoAnalysisGroup(Registry);
  69   initializeTypeBasedAliasAnalysisPass(Registry);
  70   initializeScopedNoAliasAAPass(Registry);
  71 }
  72
  73 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
  74   initializeAnalysis(*unwrap(R));
  75 }
  76
  77 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
  78                           char **OutMessages) {
  79   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
  80   std::string Messages;
  81   raw_string_ostream MsgsOS(Messages);
  82
  83   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
  84
  85   // Duplicate the output to stderr.
  86   if (DebugOS && OutMessages)
  87     *DebugOS << MsgsOS.str();
  88
  89   if (Action == LLVMAbortProcessAction && Result)
  90     report_fatal_error("Broken module found, compilation aborted!");
  91
  92   if (OutMessages)
  93     *OutMessages = strdup(MsgsOS.str().c_str());
  94
  95   return Result;
  96 }
  97
  98 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
  99   LLVMBool Result = verifyFunction(
 100       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
 101                                                               : nullptr);
 102
 103   if (Action == LLVMAbortProcessAction && Result)
 104     report_fatal_error("Broken function found, compilation aborted!");
 105
 106   return Result;
 107 }
 108
 109 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
 110   Function *F = unwrap<Function>(Fn);
 111   F->viewCFG();
 112 }
 113
 114 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
 115   Function *F = unwrap<Function>(Fn);
 116   F->viewCFGOnly();
 117 }