LibCallAliasAnalysis.h [plain text]
#ifndef LLVM_ANALYSIS_LIBCALLALIASANALYSIS_H
#define LLVM_ANALYSIS_LIBCALLALIASANALYSIS_H
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Pass.h"
namespace llvm {
class LibCallInfo;
struct LibCallFunctionInfo;
struct LibCallAliasAnalysis : public FunctionPass, public AliasAnalysis {
static char ID;
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();
ModRefResult getModRefInfo(ImmutableCallSite CS,
const Location &Loc) override;
ModRefResult getModRefInfo(ImmutableCallSite CS1,
ImmutableCallSite CS2) override {
return AliasAnalysis::getModRefInfo(CS1, CS2);
}
void getAnalysisUsage(AnalysisUsage &AU) const override;
bool runOnFunction(Function &F) override {
InitializeAliasAnalysis(this); return false;
}
void *getAdjustedAnalysisPointer(const void *PI) override {
if (PI == &AliasAnalysis::ID)
return (AliasAnalysis*)this;
return this;
}
private:
ModRefResult AnalyzeLibCallDetails(const LibCallFunctionInfo *FI,
ImmutableCallSite CS,
const Location &Loc);
};
}
#endif