LibCallAliasAnalysis.h [plain text]
#ifndef LLVM_ANALYSIS_LIBCALL_AA_H
#define LLVM_ANALYSIS_LIBCALL_AA_H
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Pass.h"
namespace llvm {
class LibCallInfo;
class LibCallFunctionInfo;
struct LibCallAliasAnalysis : public FunctionPass, AliasAnalysis {
static char ID;
LibCallInfo *LCI;
explicit LibCallAliasAnalysis(LibCallInfo *LC = 0)
: FunctionPass(&ID), LCI(LC) {
}
explicit LibCallAliasAnalysis(const void *ID, LibCallInfo *LC)
: FunctionPass(ID), LCI(LC) {
}
~LibCallAliasAnalysis();
ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size);
ModRefResult getModRefInfo(CallSite CS1, CallSite CS2) {
return AliasAnalysis::getModRefInfo(CS1,CS2);
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
virtual bool runOnFunction(Function &F) {
InitializeAliasAnalysis(this); return false;
}
virtual bool hasNoModRefInfoForCalls() const { return false; }
private:
ModRefResult AnalyzeLibCallDetails(const LibCallFunctionInfo *FI,
CallSite CS, Value *P, unsigned Size);
};
}
#endif