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//===- RISCVTargetTransformInfo.h - RISC-V specific TTI ---------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
/// \file
/// This file defines a TargetTransformInfo::Concept conforming object specific
/// to the RISC-V target machine. It uses the target's detailed information to
/// provide more precise answers to certain TTI queries, while letting the
/// target independent and default TTI implementations handle the rest.
#include "RISCVSubtarget.h"
#include "RISCVTargetMachine.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/IR/Function.h"
namespace llvm {
class RISCVTTIImpl : public BasicTTIImplBase<RISCVTTIImpl> {
using BaseT = BasicTTIImplBase<RISCVTTIImpl>;
using TTI = TargetTransformInfo;
friend BaseT;
const RISCVSubtarget *ST;
const RISCVTargetLowering *TLI;
const RISCVSubtarget *getST() const { return ST; }
const RISCVTargetLowering *getTLI() const { return TLI; }
explicit RISCVTTIImpl(const RISCVTargetMachine *TM, const Function &F)
: BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
TLI(ST->getTargetLowering()) {}
int getIntImmCost(const APInt &Imm, Type *Ty);
int getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty);
int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
Type *Ty);
} // end namespace llvm