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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
// vim:ts=2:sw=2::et:
#ifndef LEGALIZER_PeepholeTypeLegalizer_H
#define LEGALIZER_PeepholeTypeLegalizer_H
#include "common/LLVMWarningsPush.hpp"
#include "llvm/IR/Function.h"
#include "llvmWrapper/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/TargetFolder.h"
#include "llvm/IR/InstVisitor.h"
#include "common/LLVMWarningsPop.hpp"
#include "common/Types.hpp"
namespace IGC {
namespace Legalizer {
using namespace llvm;
class PeepholeTypeLegalizer : public FunctionPass, public InstVisitor<PeepholeTypeLegalizer> {
IGCLLVM::IRBuilder<> *m_builder;
Module *TheModule;
Function *TheFunction;
public:
static char ID;
PeepholeTypeLegalizer();
bool runOnFunction(Function &F) override;
void visitInstruction(Instruction &I);
void visitLoadInst(LoadInst &LI);
void visitStoreInst(StoreInst &SI);
void legalizePhiInstruction(Instruction &I);
void legalizeUnaryInstruction(Instruction &I);
void legalizeBinaryOperator(Instruction &I);
void legalizeExtractElement(Instruction &I);
void cleanupZExtInst(Instruction &I);
void cleanupTruncInst(Instruction &I);
void cleanupBitCastInst(Instruction &I);
void cleanupBitCastTruncInst(Instruction &I);
private:
bool NonBitcastInstructionsLegalized;
bool CastInst_ZExtWithIntermediateIllegalsEliminated;
bool CastInst_TruncWithIntermediateIllegalsEliminated;
bool Bitcast_BitcastWithIntermediateIllegalsEliminated;
bool Changed;
bool MustLegalizeScratch = false;
const DataLayout *DL;
void getAnalysisUsage(AnalysisUsage &AU) const override;
StringRef getPassName() const override { return "PeepholeTypeLegalizer"; }
LLVMContext &getContext() const { return TheModule->getContext(); }
Module *getModule() const { return TheModule; }
Function *getFunction() const { return TheFunction; }
bool isLegalInteger(unsigned int bitWidth) {
if (bitWidth == 64)
return true;
else
return DL->isLegalInteger(bitWidth);
}
};
} // namespace Legalizer
} // namespace IGC
#endif // LEGALIZER_TYPELEGALIZER_H
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