X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=include%2Fllvm%2FAnalysis%2FLibCallAliasAnalysis.h;h=6a93b004501542395b6a903350c4900017b656ab;hp=243234b75635f9e70558076aa747f82f96b4eae4;hb=f6f87835dae0dc05884652ef57d0c969c1ffe2a6;hpb=081c34b725980f995be9080eaec24cd3dfaaf065 diff --git a/include/llvm/Analysis/LibCallAliasAnalysis.h b/include/llvm/Analysis/LibCallAliasAnalysis.h index 243234b7563..6a93b004501 100644 --- a/include/llvm/Analysis/LibCallAliasAnalysis.h +++ b/include/llvm/Analysis/LibCallAliasAnalysis.h @@ -11,63 +11,69 @@ // //===----------------------------------------------------------------------===// -#ifndef LLVM_ANALYSIS_LIBCALL_AA_H -#define LLVM_ANALYSIS_LIBCALL_AA_H +#ifndef LLVM_ANALYSIS_LIBCALLALIASANALYSIS_H +#define LLVM_ANALYSIS_LIBCALLALIASANALYSIS_H #include "llvm/Analysis/AliasAnalysis.h" +#include "llvm/IR/Module.h" #include "llvm/Pass.h" namespace llvm { - class LibCallInfo; - struct LibCallFunctionInfo; - - /// LibCallAliasAnalysis - Alias analysis driven from LibCallInfo. - struct LibCallAliasAnalysis : public FunctionPass, public AliasAnalysis { - static char ID; // Class identification - - LibCallInfo *LCI; - - explicit LibCallAliasAnalysis(LibCallInfo *LC = 0) - : FunctionPass(ID), LCI(LC) { - initializeLibCallAliasAnalysisPass(*PassRegistry::getPassRegistry()); - } - explicit LibCallAliasAnalysis(char &ID, LibCallInfo *LC) - : FunctionPass(ID), LCI(LC) { - initializeLibCallAliasAnalysisPass(*PassRegistry::getPassRegistry()); - } - ~LibCallAliasAnalysis(); - - ModRefResult getModRefInfo(ImmutableCallSite CS, - const Location &Loc); - - ModRefResult getModRefInfo(ImmutableCallSite CS1, - ImmutableCallSite CS2) { - // TODO: Could compare two direct calls against each other if we cared to. - return AliasAnalysis::getModRefInfo(CS1, CS2); - } - - virtual void getAnalysisUsage(AnalysisUsage &AU) const; - - virtual bool runOnFunction(Function &F) { - InitializeAliasAnalysis(this); // set up super class - return false; - } - - /// getAdjustedAnalysisPointer - This method is used when a pass implements - /// an analysis interface through multiple inheritance. If needed, it - /// should override this to adjust the this pointer as needed for the - /// specified pass info. - virtual void *getAdjustedAnalysisPointer(const void *PI) { - if (PI == &AliasAnalysis::ID) - return (AliasAnalysis*)this; - return this; - } - - private: - ModRefResult AnalyzeLibCallDetails(const LibCallFunctionInfo *FI, - ImmutableCallSite CS, - const Location &Loc); - }; -} // End of llvm namespace + +class LibCallInfo; +struct LibCallFunctionInfo; + +/// LibCallAliasAnalysis - Alias analysis driven from LibCallInfo. +struct LibCallAliasAnalysis : public FunctionPass, public AliasAnalysis { + static char ID; // Class identification + + LibCallInfo *LCI; + + explicit LibCallAliasAnalysis(LibCallInfo *LC = nullptr) + : FunctionPass(ID), LCI(LC) { + initializeLibCallAliasAnalysisPass(*PassRegistry::getPassRegistry()); + } + explicit LibCallAliasAnalysis(char &ID, LibCallInfo *LC) + : FunctionPass(ID), LCI(LC) { + initializeLibCallAliasAnalysisPass(*PassRegistry::getPassRegistry()); + } + ~LibCallAliasAnalysis() override; + + ModRefInfo getModRefInfo(ImmutableCallSite CS, + const MemoryLocation &Loc) override; + + ModRefInfo getModRefInfo(ImmutableCallSite CS1, + ImmutableCallSite CS2) override { + // TODO: Could compare two direct calls against each other if we cared to. + return AliasAnalysis::getModRefInfo(CS1, CS2); + } + + void getAnalysisUsage(AnalysisUsage &AU) const override; + + bool runOnFunction(Function &F) override; + + /// getAdjustedAnalysisPointer - This method is used when a pass implements + /// an analysis interface through multiple inheritance. If needed, it + /// should override this to adjust the this pointer as needed for the + /// specified pass info. + void *getAdjustedAnalysisPointer(const void *PI) override { + if (PI == &AliasAnalysis::ID) + return (AliasAnalysis *)this; + return this; + } + +private: + ModRefInfo AnalyzeLibCallDetails(const LibCallFunctionInfo *FI, + ImmutableCallSite CS, + const MemoryLocation &Loc); +}; + +/// createLibCallAliasAnalysisPass - Create an alias analysis pass that knows +/// about the semantics of a set of libcalls specified by LCI. The newly +/// constructed pass takes ownership of the pointer that is provided. +/// +FunctionPass *createLibCallAliasAnalysisPass(LibCallInfo *LCI); + +} // End of llvm namespace #endif