1 //===-- NVPTXTargetTransformInfo.h - NVPTX specific TTI ---------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 /// This file a TargetTransformInfo::Concept conforming object specific to the
11 /// NVPTX target machine. It uses the target's detailed information to
12 /// provide more precise answers to certain TTI queries, while letting the
13 /// target independent and default TTI implementations handle the rest.
15 //===----------------------------------------------------------------------===//
17 #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXTARGETTRANSFORMINFO_H
18 #define LLVM_LIB_TARGET_NVPTX_NVPTXTARGETTRANSFORMINFO_H
21 #include "NVPTXTargetMachine.h"
22 #include "llvm/Analysis/TargetTransformInfo.h"
23 #include "llvm/CodeGen/BasicTTIImpl.h"
24 #include "llvm/Target/TargetLowering.h"
28 class NVPTXTTIImpl : public BasicTTIImplBase<NVPTXTTIImpl> {
29 typedef BasicTTIImplBase<NVPTXTTIImpl> BaseT;
30 typedef TargetTransformInfo TTI;
33 const NVPTXSubtarget *ST;
34 const NVPTXTargetLowering *TLI;
36 const NVPTXSubtarget *getST() const { return ST; };
37 const NVPTXTargetLowering *getTLI() const { return TLI; };
40 explicit NVPTXTTIImpl(const NVPTXTargetMachine *TM)
41 : BaseT(TM), ST(TM->getSubtargetImpl()), TLI(ST->getTargetLowering()) {}
43 // Provide value semantics. MSVC requires that we spell all of these out.
44 NVPTXTTIImpl(const NVPTXTTIImpl &Arg)
45 : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
46 NVPTXTTIImpl(NVPTXTTIImpl &&Arg)
47 : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
48 TLI(std::move(Arg.TLI)) {}
49 NVPTXTTIImpl &operator=(const NVPTXTTIImpl &RHS) {
50 BaseT::operator=(static_cast<const BaseT &>(RHS));
55 NVPTXTTIImpl &operator=(NVPTXTTIImpl &&RHS) {
56 BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
57 ST = std::move(RHS.ST);
58 TLI = std::move(RHS.TLI);
62 bool hasBranchDivergence() { return true; }
64 bool isSourceOfDivergence(const Value *V);
66 unsigned getArithmeticInstrCost(
67 unsigned Opcode, Type *Ty,
68 TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
69 TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
70 TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
71 TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None);
74 } // end namespace llvm