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
26namespace llvm {
27
28class 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
36  const PPCSubtarget *getST() const { return ST; }
37  const PPCTargetLowering *getTLI() const { return TLI; }
38
39public:
40  explicit PPCTTIImpl(const PPCTargetMachine *TM, Function &F)
41      : BaseT(TM), ST(TM->getSubtargetImpl(F)), TLI(ST->getTargetLowering()) {}
42
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));
51    ST = RHS.ST;
52    TLI = RHS.TLI;
53    return *this;
54  }
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);
59    return *this;
60  }
61
62  /// \name Scalar TTI Implementations
63  /// @{
64
65  using BaseT::getIntImmCost;
66  unsigned getIntImmCost(const APInt &Imm, Type *Ty);
67
68  unsigned getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm,
69                         Type *Ty);
70  unsigned getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
71                         Type *Ty);
72
73  TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
74  void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP);
75
76  /// @}
77
78  /// \name Vector TTI Implementations
79  /// @{
80
81  bool enableAggressiveInterleaving(bool LoopHasReductions);
82  unsigned getNumberOfRegisters(bool Vector);
83  unsigned getRegisterBitWidth(bool Vector);
84  unsigned getMaxInterleaveFactor();
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,
92                          Type *SubTp);
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);
98
99  /// @}
100};
101
102} // end namespace llvm
103
104#endif
105