50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
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//===- LoongArchTargetTransformInfo.h - LoongArch 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 a TargetTransformInfo::Concept conforming object specific to the
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/// LoongArch 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_LOONGARCH_LOONGARCHTARGETTRANSFORMINFO_H
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#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETTRANSFORMINFO_H
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#include "LoongArchSubtarget.h"
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#include "LoongArchTargetMachine.h"
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#include "llvm/Analysis/TargetTransformInfo.h"
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#include "llvm/CodeGen/BasicTTIImpl.h"
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namespace llvm {
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class LoongArchTTIImpl : public BasicTTIImplBase<LoongArchTTIImpl> {
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typedef BasicTTIImplBase<LoongArchTTIImpl> BaseT;
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typedef TargetTransformInfo TTI;
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friend BaseT;
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const LoongArchSubtarget *ST;
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const LoongArchTargetLowering *TLI;
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const LoongArchSubtarget *getST() const { return ST; }
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const LoongArchTargetLowering *getTLI() const { return TLI; }
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public:
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explicit LoongArchTTIImpl(const LoongArchTargetMachine *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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TypeSize getRegisterBitWidth(TargetTransformInfo::RegisterKind K) const;
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// TODO: Implement more hooks to provide TTI machinery for LoongArch.
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHTARGETTRANSFORMINFO_H
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