52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
//===- AVRTargetTransformInfo.h - AVR 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 TargetTransformInfoImplBase conforming object specific
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/// to the AVR 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_AVR_AVRTARGETTRANSFORMINFO_H
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#define LLVM_LIB_TARGET_AVR_AVRTARGETTRANSFORMINFO_H
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#include "AVRSubtarget.h"
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#include "AVRTargetMachine.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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#include <optional>
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namespace llvm {
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class AVRTTIImpl final : public BasicTTIImplBase<AVRTTIImpl> {
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using BaseT = BasicTTIImplBase<AVRTTIImpl>;
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using TTI = TargetTransformInfo;
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friend BaseT;
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const AVRSubtarget *ST;
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const AVRTargetLowering *TLI;
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const AVRSubtarget *getST() const { return ST; }
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const AVRTargetLowering *getTLI() const { return TLI; }
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public:
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explicit AVRTTIImpl(const AVRTargetMachine *TM, const Function &F)
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: BaseT(TM, F.getDataLayout()), ST(TM->getSubtargetImpl(F)),
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TLI(ST->getTargetLowering()) {}
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bool isLSRCostLess(const TargetTransformInfo::LSRCost &C1,
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const TargetTransformInfo::LSRCost &C2) const override;
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_AVR_AVRTARGETTRANSFORMINFO_H
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