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;
32 const PPCSubtarget *ST;
33 const PPCTargetLowering *TLI;
36 explicit PPCTTIImpl(const PPCTargetMachine *TM = nullptr)
37 : BaseT(TM), ST(TM->getSubtargetImpl()), TLI(ST->getTargetLowering()) {}
39 // Provide value semantics. MSVC requires that we spell all of these out.
40 PPCTTIImpl(const PPCTTIImpl &Arg)
41 : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
42 PPCTTIImpl(PPCTTIImpl &&Arg)
43 : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
44 TLI(std::move(Arg.TLI)) {}
45 PPCTTIImpl &operator=(const PPCTTIImpl &RHS) {
46 BaseT::operator=(static_cast<const BaseT &>(RHS));
51 PPCTTIImpl &operator=(PPCTTIImpl &&RHS) {
52 BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
53 ST = std::move(RHS.ST);
54 TLI = std::move(RHS.TLI);
58 /// \name Scalar TTI Implementations
61 using BaseT::getIntImmCost;
62 unsigned getIntImmCost(const APInt &Imm, Type *Ty);
64 unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
66 unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
69 TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
70 void getUnrollingPreferences(const Function *F, Loop *L,
71 TTI::UnrollingPreferences &UP);
75 /// \name Vector TTI Implementations
78 unsigned getNumberOfRegisters(bool Vector);
79 unsigned getRegisterBitWidth(bool Vector);
80 unsigned getMaxInterleaveFactor();
81 unsigned getArithmeticInstrCost(
82 unsigned Opcode, Type *Ty,
83 TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
84 TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
85 TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
86 TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None);
87 unsigned getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index,
89 unsigned getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src);
90 unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy);
91 unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
92 unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
93 unsigned AddressSpace);
98 } // end namespace llvm