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      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   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   initializeIVUsersPass(Registry);
     51   initializeInstCountPass(Registry);
     52   initializeIntervalPartitionPass(Registry);
     53   initializeLazyValueInfoPass(Registry);
     54   initializeLibCallAliasAnalysisPass(Registry);
     55   initializeLintPass(Registry);
     56   initializeLoopInfoWrapperPassPass(Registry);
     57   initializeMemDepPrinterPass(Registry);
     58   initializeMemDerefPrinterPass(Registry);
     59   initializeMemoryDependenceAnalysisPass(Registry);
     60   initializeModuleDebugInfoPrinterPass(Registry);
     61   initializePostDominatorTreePass(Registry);
     62   initializeRegionInfoPassPass(Registry);
     63   initializeRegionViewerPass(Registry);
     64   initializeRegionPrinterPass(Registry);
     65   initializeRegionOnlyViewerPass(Registry);
     66   initializeRegionOnlyPrinterPass(Registry);
     67   initializeScalarEvolutionPass(Registry);
     68   initializeScalarEvolutionAliasAnalysisPass(Registry);
     69   initializeTargetTransformInfoWrapperPassPass(Registry);
     70   initializeTypeBasedAliasAnalysisPass(Registry);
     71   initializeScopedNoAliasAAPass(Registry);
     72 }
     73 
     74 void LLVMInitializeAnalysis(LLVMPassRegistryRef R) {
     75   initializeAnalysis(*unwrap(R));
     76 }
     77 
     78 LLVMBool LLVMVerifyModule(LLVMModuleRef M, LLVMVerifierFailureAction Action,
     79                           char **OutMessages) {
     80   raw_ostream *DebugOS = Action != LLVMReturnStatusAction ? &errs() : nullptr;
     81   std::string Messages;
     82   raw_string_ostream MsgsOS(Messages);
     83 
     84   LLVMBool Result = verifyModule(*unwrap(M), OutMessages ? &MsgsOS : DebugOS);
     85 
     86   // Duplicate the output to stderr.
     87   if (DebugOS && OutMessages)
     88     *DebugOS << MsgsOS.str();
     89 
     90   if (Action == LLVMAbortProcessAction && Result)
     91     report_fatal_error("Broken module found, compilation aborted!");
     92 
     93   if (OutMessages)
     94     *OutMessages = strdup(MsgsOS.str().c_str());
     95 
     96   return Result;
     97 }
     98 
     99 LLVMBool LLVMVerifyFunction(LLVMValueRef Fn, LLVMVerifierFailureAction Action) {
    100   LLVMBool Result = verifyFunction(
    101       *unwrap<Function>(Fn), Action != LLVMReturnStatusAction ? &errs()
    102                                                               : nullptr);
    103 
    104   if (Action == LLVMAbortProcessAction && Result)
    105     report_fatal_error("Broken function found, compilation aborted!");
    106 
    107   return Result;
    108 }
    109 
    110 void LLVMViewFunctionCFG(LLVMValueRef Fn) {
    111   Function *F = unwrap<Function>(Fn);
    112   F->viewCFG();
    113 }
    114 
    115 void LLVMViewFunctionCFGOnly(LLVMValueRef Fn) {
    116   Function *F = unwrap<Function>(Fn);
    117   F->viewCFGOnly();
    118 }
    119