LLVM  9.0.0svn
ARCTargetTransformInfo.h
Go to the documentation of this file.
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"
22 
23 namespace llvm {
24 
25 class ARCSubtarget;
26 class ARCTargetLowering;
27 class ARCTargetMachine;
28 
29 class ARCTTIImpl : public 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.
46  : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
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
This class represents lattice values for constants.
Definition: AllocatorList.h:23
F(f)
Base class which can be used to help build a TTI implementation.
Definition: BasicTTIImpl.h:77
Definition: BitVector.h:937
ARCTTIImpl(const ARCTTIImpl &Arg)
ARCTTIImpl(ARCTTIImpl &&Arg)
amdgpu Simplify well known AMD library false FunctionCallee Value * Arg
This file provides a helper that implements much of the TTI interface in terms of the target-independ...
ARCTTIImpl(const ARCTargetMachine *TM, const Function &F)
aarch64 promote const
static const Function * getParent(const Value *V)
const DataLayout & getDataLayout() const
This pass exposes codegen information to IR-level passes.