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 PPCSubtarget *ST;
34 const PPCTargetLowering *TLI;
36 const PPCSubtarget *getST() const { return ST; }
37 const PPCTargetLowering *getTLI() const { return TLI; }
40 explicit PPCTTIImpl(const PPCTargetMachine *TM, Function &F)
41 : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
43 // Provide value semantics. MSVC requires that we spell all of these out.
44 PPCTTIImpl(const PPCTTIImpl &Arg)
45 : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
46 PPCTTIImpl(PPCTTIImpl &&Arg)
47 : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
48 TLI(std::move(Arg.TLI)) {}
49 PPCTTIImpl &operator=(const PPCTTIImpl &RHS) {
50 BaseT::operator=(static_cast<const BaseT &>(RHS));
55 PPCTTIImpl &operator=(PPCTTIImpl &&RHS) {
56 BaseT::operator=(std::move(static_cast<BaseT &>(RHS)));
57 ST = std::move(RHS.ST);
58 TLI = std::move(RHS.TLI);
62 /// \name Scalar TTI Implementations
65 using BaseT::getIntImmCost;
66 unsigned getIntImmCost(const APInt &Imm, Type *Ty);
68 unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
70 unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
73 TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
74 void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP);
78 /// \name Vector TTI Implementations
81 bool enableAggressiveInterleaving(bool LoopHasReductions);
82 unsigned getNumberOfRegisters(bool Vector);
83 unsigned getRegisterBitWidth(bool Vector);
84 unsigned getMaxInterleaveFactor(unsigned VF);
85 unsigned getArithmeticInstrCost(
86 unsigned Opcode, Type *Ty,
87 TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
88 TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
89 TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
90 TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None);
91 unsigned getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index,
93 unsigned getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src);
94 unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy);
95 unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
96 unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
97 unsigned AddressSpace);
102 } // end namespace llvm