Files
clang-p2996/llvm/lib/Target/Mips/MipsTargetTransformInfo.h
YunQiang Su 6dd14c881c MIPS: Implements MipsTTIImpl::isLSRCostLess using Insns as first (#133068)
So that LoopStrengthReduce can work for MIPS.
The code is copied from RISC-V.

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Co-authored-by: qethu <190734095+qethu@users.noreply.github.com>
2025-03-26 23:01:26 +08:00

44 lines
1.3 KiB
C++

//===-- MipsTargetTransformInfo.h - Mips specific TTI -----------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_MIPS_MIPSTARGETTRANSFORMINFO_H
#define LLVM_LIB_TARGET_MIPS_MIPSTARGETTRANSFORMINFO_H
#include "MipsTargetMachine.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
namespace llvm {
class MipsTTIImpl : public BasicTTIImplBase<MipsTTIImpl> {
using BaseT = BasicTTIImplBase<MipsTTIImpl>;
using TTI = TargetTransformInfo;
friend BaseT;
const MipsSubtarget *ST;
const MipsTargetLowering *TLI;
const MipsSubtarget *getST() const { return ST; }
const MipsTargetLowering *getTLI() const { return TLI; }
public:
explicit MipsTTIImpl(const MipsTargetMachine *TM, const Function &F)
: BaseT(TM, F.getDataLayout()), ST(TM->getSubtargetImpl(F)),
TLI(ST->getTargetLowering()) {}
bool hasDivRemOp(Type *DataType, bool IsSigned);
bool isLSRCostLess(const TargetTransformInfo::LSRCost &C1,
const TargetTransformInfo::LSRCost &C2);
};
} // end namespace llvm
#endif