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