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llvm-mirror/lib/Target/ARC/ARCTargetTransformInfo.h
Pete Couperus 7fc741759e [ARC] Add ARC backend.
Add the ARC backend as an experimental target to lib/Target.
Reviewed at: https://reviews.llvm.org/D36331

llvm-svn: 311667
2017-08-24 15:40:33 +00:00

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1.9 KiB
C++

//===- ARCTargetTransformInfo.h - ARC specific TTI --------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// \file
// This file contains a TargetTransformInfo::Concept conforming object specific
// to the ARC 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.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_ARC_ARCTARGETTRANSFORMINFO_H
#define LLVM_LIB_TARGET_ARC_ARCTARGETTRANSFORMINFO_H
#include "ARC.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
namespace llvm {
class ARCSubtarget;
class ARCTargetLowering;
class ARCTargetMachine;
class ARCTTIImpl : public BasicTTIImplBase<ARCTTIImpl> {
using BaseT = BasicTTIImplBase<ARCTTIImpl>;
friend BaseT;
const ARCSubtarget *ST;
const ARCTargetLowering *TLI;
const ARCSubtarget *getST() const { return ST; }
const ARCTargetLowering *getTLI() const { return TLI; }
public:
explicit ARCTTIImpl(const ARCTargetMachine *TM, const Function &F)
: BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()),
TLI(ST->getTargetLowering()) {}
// Provide value semantics. MSVC requires that we spell all of these out.
ARCTTIImpl(const ARCTTIImpl &Arg)
: BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
ARCTTIImpl(ARCTTIImpl &&Arg)
: BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
TLI(std::move(Arg.TLI)) {}
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_ARC_ARCTARGETTRANSFORMINFO_H