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