LLVM  4.0.0
PPCTargetTransformInfo.h
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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"
25 
26 namespace llvm {
27 
28 class PPCTTIImpl : public BasicTTIImplBase<PPCTTIImpl> {
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 
39 public:
40  explicit PPCTTIImpl(const PPCTargetMachine *TM, const Function &F)
41  : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
42  TLI(ST->getTargetLowering()) {}
43 
44  /// \name Scalar TTI Implementations
45  /// @{
46 
48  int getIntImmCost(const APInt &Imm, Type *Ty);
49 
50  int getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty);
51  int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
52  Type *Ty);
53 
54  TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
55  void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP);
56 
57  /// @}
58 
59  /// \name Vector TTI Implementations
60  /// @{
61 
62  bool enableAggressiveInterleaving(bool LoopHasReductions);
64  unsigned getNumberOfRegisters(bool Vector);
65  unsigned getRegisterBitWidth(bool Vector);
66  unsigned getCacheLineSize();
67  unsigned getPrefetchDistance();
68  unsigned getMaxInterleaveFactor(unsigned VF);
70  unsigned Opcode, Type *Ty,
76  int getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, Type *SubTp);
77  int getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src);
78  int getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy);
79  int getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
80  int getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
81  unsigned AddressSpace);
82  int getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy,
83  unsigned Factor,
84  ArrayRef<unsigned> Indices,
85  unsigned Alignment,
86  unsigned AddressSpace);
87 
88  /// @}
89 };
90 
91 } // end namespace llvm
92 
93 #endif
MachineLoop * L
int getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment, unsigned AddressSpace)
Base class which can be used to help build a TTI implementation.
Definition: BasicTTIImpl.h:40
unsigned getIntImmCost(const APInt &Imm, Type *Ty)
int getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, Type *SubTp)
int getIntImmCost(const APInt &Imm, Type *Ty)
PPCTTIImpl(const PPCTargetMachine *TM, const Function &F)
int getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index)
unsigned getMaxInterleaveFactor(unsigned VF)
int getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src)
#define F(x, y, z)
Definition: MD5.cpp:51
PopcntSupportKind
Flags indicating the kind of support for population count.
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory)...
Definition: APInt.h:33
The instances of the Type class are immutable: once they are created, they are never changed...
Definition: Type.h:45
This file provides a helper that implements much of the TTI interface in terms of the target-independ...
Common code between 32-bit and 64-bit PowerPC targets.
void getUnrollingPreferences(Loop *L, TTI::UnrollingPreferences &UP)
unsigned getNumberOfRegisters(bool Vector)
OperandValueProperties
Additional properties of an operand's values.
int getArithmeticInstrCost(unsigned Opcode, Type *Ty, TTI::OperandValueKind Opd1Info=TTI::OK_AnyValue, TTI::OperandValueKind Opd2Info=TTI::OK_AnyValue, TTI::OperandValueProperties Opd1PropInfo=TTI::OP_None, TTI::OperandValueProperties Opd2PropInfo=TTI::OP_None, ArrayRef< const Value * > Args=ArrayRef< const Value * >())
This pass provides access to the codegen interfaces that are needed for IR-level transformations.
AddressSpace
Definition: NVPTXBaseInfo.h:22
int getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy)
bool enableAggressiveInterleaving(bool LoopHasReductions)
Class for arbitrary precision integers.
Definition: APInt.h:77
const DataLayout & getDataLayout() const
int getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy, unsigned Factor, ArrayRef< unsigned > Indices, unsigned Alignment, unsigned AddressSpace)
TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth)
Represents a single loop in the control flow graph.
Definition: LoopInfo.h:368
const unsigned Kind
static const Function * getParent(const Value *V)
unsigned getRegisterBitWidth(bool Vector)
OperandValueKind
Additional information about an operand's possible values.
This pass exposes codegen information to IR-level passes.
This file describes how to lower LLVM code to machine code.
ShuffleKind
The various kinds of shuffle patterns for vector queries.