mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-28 04:33:05 +00:00
674be02d52
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172025 91177308-0d34-0410-b5e6-96231b3b80d8
74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
//===- LibCallAliasAnalysis.h - Implement AliasAnalysis for libcalls ------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the LibCallAliasAnalysis class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#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;
|
|
|
|
/// 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
|
|
|
|
#endif
|