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, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
42 TLI(ST->getTargetLowering()) {}
44 // Provide value semantics. MSVC requires that we spell all of these out.
45 PPCTTIImpl(const PPCTTIImpl &Arg)
46 : BaseT(static_cast<const BaseT &>(Arg)), ST(Arg.ST), TLI(Arg.TLI) {}
47 PPCTTIImpl(PPCTTIImpl &&Arg)
48 : BaseT(std::move(static_cast<BaseT &>(Arg))), ST(std::move(Arg.ST)),
49 TLI(std::move(Arg.TLI)) {}
51 /// \name Scalar TTI Implementations
54 using BaseT::getIntImmCost;
55 int getIntImmCost(const APInt &Imm, Type *Ty);
57 int getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty);
58 int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
61 TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
62 void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP);
66 /// \name Vector TTI Implementations
69 bool enableAggressiveInterleaving(bool LoopHasReductions);
70 bool enableInterleavedAccessVectorization();
71 unsigned getNumberOfRegisters(bool Vector);
72 unsigned getRegisterBitWidth(bool Vector);
73 unsigned getMaxInterleaveFactor(unsigned VF);
74 int 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 int getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, Type *SubTp);
81 int getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src);
82 int getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy);
83 int getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
84 int getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
85 unsigned AddressSpace);
86 int getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy,
88 ArrayRef<unsigned> Indices,
90 unsigned AddressSpace);
95 } // end namespace llvm