| //===-- NVPTXTargetTransformInfo.h - NVPTX 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 a TargetTransformInfo::Concept conforming object specific to the |
| /// NVPTX 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_NVPTX_NVPTXTARGETTRANSFORMINFO_H |
| #define LLVM_LIB_TARGET_NVPTX_NVPTXTARGETTRANSFORMINFO_H |
| |
| #include "NVPTX.h" |
| #include "NVPTXTargetMachine.h" |
| #include "llvm/Analysis/TargetTransformInfo.h" |
| #include "llvm/CodeGen/BasicTTIImpl.h" |
| #include "llvm/Target/TargetLowering.h" |
| |
| namespace llvm { |
| |
| class NVPTXTTIImpl : public BasicTTIImplBase<NVPTXTTIImpl> { |
| typedef BasicTTIImplBase<NVPTXTTIImpl> BaseT; |
| typedef TargetTransformInfo TTI; |
| friend BaseT; |
| |
| const NVPTXSubtarget *ST; |
| const NVPTXTargetLowering *TLI; |
| |
| const NVPTXSubtarget *getST() const { return ST; }; |
| const NVPTXTargetLowering *getTLI() const { return TLI; }; |
| |
| public: |
| explicit NVPTXTTIImpl(const NVPTXTargetMachine *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. |
| NVPTXTTIImpl(const NVPTXTTIImpl &Arg) |
| : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {} |
| NVPTXTTIImpl(NVPTXTTIImpl &&Arg) |
| : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)), |
| TLI(std::move(Arg.TLI)) {} |
| |
| bool hasBranchDivergence() { return true; } |
| |
| bool isSourceOfDivergence(const Value *V); |
| |
| unsigned getArithmeticInstrCost( |
| unsigned Opcode, Type *Ty, |
| TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue, |
| TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue, |
| TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None, |
| TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None); |
| |
| void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif |