lib/Target/ARC/ARCTargetTransformInfo.h

   1 //===- ARCTargetTransformInfo.h - ARC specific TTI --------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 // \file
   9 // This file contains a TargetTransformInfo::Concept conforming object specific
  10 // to the ARC target machine. It uses the target's detailed information to
  11 // provide more precise answers to certain TTI queries, while letting the
  12 // target independent and default TTI implementations handle the rest.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #ifndef LLVM_LIB_TARGET_ARC_ARCTARGETTRANSFORMINFO_H
  17 #define LLVM_LIB_TARGET_ARC_ARCTARGETTRANSFORMINFO_H
  18
  19 #include "ARC.h"
  20 #include "llvm/Analysis/TargetTransformInfo.h"
  21 #include "llvm/CodeGen/BasicTTIImpl.h"
  22
  23 namespace llvm {
  24
  25 class ARCSubtarget;
  26 class ARCTargetLowering;
  27 class ARCTargetMachine;
  28
  29 class ARCTTIImpl : public BasicTTIImplBase<ARCTTIImpl> {
  30   using BaseT = BasicTTIImplBase<ARCTTIImpl>;
  31   friend BaseT;
  32
  33   const ARCSubtarget *ST;
  34   const ARCTargetLowering *TLI;
  35
  36   const ARCSubtarget *getST() const { return ST; }
  37   const ARCTargetLowering *getTLI() const { return TLI; }
  38
  39 public:
  40   explicit ARCTTIImpl(const ARCTargetMachine *TM, const Function &F)
  41       : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl()),
  42         TLI(ST->getTargetLowering()) {}
  43
  44   // Provide value semantics. MSVC requires that we spell all of these out.
  45   ARCTTIImpl(const ARCTTIImpl &Arg)
  46       : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
  47   ARCTTIImpl(ARCTTIImpl &&Arg)
  48       : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
  49         TLI(std::move(Arg.TLI)) {}
  50 };
  51
  52 } // end namespace llvm
  53
  54 #endif // LLVM_LIB_TARGET_ARC_ARCTARGETTRANSFORMINFO_H