mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
66e08cf79a
The hasNoModRefInfoForCalls isn't worth it as a filter because basicaa provides m/r info and everything chains to it, so remove it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89599 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
1.8 KiB
C++
59 lines
1.8 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_LIBCALL_AA_H
|
|
#define LLVM_ANALYSIS_LIBCALL_AA_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) {
|
|
}
|
|
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) {
|
|
// 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;
|
|
}
|
|
|
|
private:
|
|
ModRefResult AnalyzeLibCallDetails(const LibCallFunctionInfo *FI,
|
|
CallSite CS, Value *P, unsigned Size);
|
|
};
|
|
} // End of llvm namespace
|
|
|
|
#endif
|