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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "Compiler/CodeGenPublic.h"
#include "common/LLVMWarningsPush.hpp"
#include "llvm/Config/llvm-config.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvmWrapper/Analysis/TargetTransformInfo.h"
#include "common/LLVMWarningsPop.hpp"
namespace llvm {
// This implementation allows us to define our own costs for the GenIntrinsics
// Did not use BasicTTIImplBase because the overloaded constructors have TragetMachine as an argument,
// so I inherited from its parent which has only DL as its arguments
class GenIntrinsicsTTIImpl : public IGCLLVM::TTIImplCRTPBase<GenIntrinsicsTTIImpl> {
typedef IGCLLVM::TTIImplCRTPBase<GenIntrinsicsTTIImpl> BaseT;
typedef TargetTransformInfo TTI;
friend BaseT;
IGC::CodeGenContext *ctx;
public:
GenIntrinsicsTTIImpl(IGC::CodeGenContext *pCtx) : BaseT(pCtx->getModule()->getDataLayout()), ctx(pCtx) {}
bool shouldBuildLookupTables();
bool isLoweredToCall(const Function *F);
void *getAdjustedAnalysisPointer(const void *ID);
// [POC] Implemented to use InferAddressSpaces pass after
// PrivateMemoryToSLM pass to propagate ADDRESS_SPACE_PRIVATE
// from variables to memory operations.
unsigned getFlatAddressSpace();
void getUnrollingPreferences(Loop *L, ScalarEvolution &SE, TTI::UnrollingPreferences &UP,
OptimizationRemarkEmitter *ORE);
void getPeelingPreferences(Loop *L, ScalarEvolution &SE, TTI::PeelingPreferences &PP);
bool isProfitableToHoist(Instruction *I);
llvm::InstructionCost getUserCost(const User *U, ArrayRef<const Value *> Operands, TTI::TargetCostKind CostKind);
llvm::InstructionCost getInstructionCost(const User *U, ArrayRef<const Value *> Operands,
TTI::TargetCostKind CostKind);
private:
llvm::InstructionCost internalCalculateCost(const User *U, ArrayRef<const Value *> Operands,
TTI::TargetCostKind CostKind);
};
} // namespace llvm
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