1 //===-- PPCTargetTransformInfo.h - PPC specific TTI -------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// \file 10 /// This file a TargetTransformInfo::Concept conforming object specific to the 11 /// PPC 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. 14 /// 15 //===----------------------------------------------------------------------===// 16 17 #ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETTRANSFORMINFO_H 18 #define LLVM_LIB_TARGET_POWERPC_PPCTARGETTRANSFORMINFO_H 19 20 #include "PPC.h" 21 #include "PPCTargetMachine.h" 22 #include "llvm/Analysis/TargetTransformInfo.h" 23 #include "llvm/CodeGen/BasicTTIImpl.h" 24 #include "llvm/Target/TargetLowering.h" 25 26 namespace llvm { 27 28 class PPCTTIImpl : public BasicTTIImplBase<PPCTTIImpl> { 29 typedef BasicTTIImplBase<PPCTTIImpl> BaseT; 30 typedef TargetTransformInfo TTI; 31 friend BaseT; 32 33 const PPCSubtarget *ST; 34 const PPCTargetLowering *TLI; 35 getST()36 const PPCSubtarget *getST() const { return ST; } getTLI()37 const PPCTargetLowering *getTLI() const { return TLI; } 38 39 public: PPCTTIImpl(const PPCTargetMachine * TM,Function & F)40 explicit PPCTTIImpl(const PPCTargetMachine *TM, Function &F) 41 : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)), 42 TLI(ST->getTargetLowering()) {} 43 44 // Provide value semantics. MSVC requires that we spell all of these out. PPCTTIImpl(const PPCTTIImpl & Arg)45 PPCTTIImpl(const PPCTTIImpl &Arg) 46 : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {} PPCTTIImpl(PPCTTIImpl && Arg)47 PPCTTIImpl(PPCTTIImpl &&Arg) 48 : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)), 49 TLI(std::move(Arg.TLI)) {} 50 51 /// \name Scalar TTI Implementations 52 /// @{ 53 54 using BaseT::getIntImmCost; 55 unsigned getIntImmCost(const APInt &Imm, Type *Ty); 56 57 unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, 58 Type *Ty); 59 unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm, 60 Type *Ty); 61 62 TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth); 63 void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP); 64 65 /// @} 66 67 /// \name Vector TTI Implementations 68 /// @{ 69 70 bool enableAggressiveInterleaving(bool LoopHasReductions); 71 unsigned getNumberOfRegisters(bool Vector); 72 unsigned getRegisterBitWidth(bool Vector); 73 unsigned getMaxInterleaveFactor(unsigned VF); 74 unsigned getArithmeticInstrCost( 75 unsigned Opcode, Type *Ty, 76 TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue, 77 TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue, 78 TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None, 79 TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None); 80 unsigned getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, 81 Type *SubTp); 82 unsigned getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src); 83 unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy); 84 unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index); 85 unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment, 86 unsigned AddressSpace); 87 88 /// @} 89 }; 90 91 } // end namespace llvm 92 93 #endif 94