1 //===-- PPCTargetTransformInfo.h - PPC 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 /// 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.
15 //===----------------------------------------------------------------------===//
17 #ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETTRANSFORMINFO_H
18 #define LLVM_LIB_TARGET_POWERPC_PPCTARGETTRANSFORMINFO_H
21 #include "PPCTargetMachine.h"
22 #include "llvm/Analysis/TargetTransformInfo.h"
23 #include "llvm/CodeGen/BasicTTIImpl.h"
24 #include "llvm/Target/TargetLowering.h"
28 class PPCTTIImpl : public BasicTTIImplBase<PPCTTIImpl> {
29 typedef BasicTTIImplBase<PPCTTIImpl> BaseT;
30 typedef TargetTransformInfo TTI;
33 const PPCTargetMachine *TM;
34 const PPCSubtarget *ST;
35 const PPCTargetLowering *TLI;
37 const PPCTargetMachine *getTM() const { return TM; }
38 const PPCTargetLowering *getTLI() const { return TLI; }
41 explicit PPCTTIImpl(const PPCTargetMachine *TM, Function &F)
42 : BaseT(TM), TM(TM), ST(TM->getSubtargetImpl(F)),
43 TLI(ST->getTargetLowering()) {}
45 // Provide value semantics. MSVC requires that we spell all of these out.
46 PPCTTIImpl(const PPCTTIImpl &Arg)
47 : BaseT(static_cast<const BaseT &>(Arg)), TM(Arg.TM), ST(Arg.ST),
49 PPCTTIImpl(PPCTTIImpl &&Arg)
50 : BaseT(std::move(static_cast<BaseT &>(Arg))), TM(std::move(Arg.TM)),
51 ST(std::move(Arg.ST)), TLI(std::move(Arg.TLI)) {}
52 PPCTTIImpl &operator=(const PPCTTIImpl &RHS) {
53 BaseT::operator=(static_cast<const BaseT &>(RHS));
59 PPCTTIImpl &operator=(PPCTTIImpl &&RHS) {
60 BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
61 TM = std::move(RHS.TM);
62 ST = std::move(RHS.ST);
63 TLI = std::move(RHS.TLI);
67 /// \name Scalar TTI Implementations
70 using BaseT::getIntImmCost;
71 unsigned getIntImmCost(const APInt &Imm, Type *Ty);
73 unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
75 unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
78 TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
79 void getUnrollingPreferences(const Function *F, Loop *L,
80 TTI::UnrollingPreferences &UP);
84 /// \name Vector TTI Implementations
87 unsigned getNumberOfRegisters(bool Vector);
88 unsigned getRegisterBitWidth(bool Vector);
89 unsigned getMaxInterleaveFactor();
90 unsigned getArithmeticInstrCost(
91 unsigned Opcode, Type *Ty,
92 TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
93 TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
94 TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
95 TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None);
96 unsigned getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index,
98 unsigned getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src);
99 unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy);
100 unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
101 unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
102 unsigned AddressSpace);
107 } // end namespace llvm