LLVM  8.0.1
Protected Types | Static Protected Member Functions | Static Protected Attributes | List of all members
llvm::X86GenRegisterBankInfo Class Reference

#include "Target/X86/X86RegisterBankInfo.h"

Inheritance diagram for llvm::X86GenRegisterBankInfo:
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Collaboration diagram for llvm::X86GenRegisterBankInfo:
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Protected Types

enum  PartialMappingIdx {
  PMI_None = -1, PMI_GPR8, PMI_GPR16, PMI_GPR32,
  PMI_GPR64, PMI_FP32, PMI_FP64, PMI_VEC128,
  PMI_VEC256, PMI_VEC512
}
 
enum  ValueMappingIdx {
  VMI_None = -1, VMI_3OpsGpr8Idx = PMI_GPR8 * 3, VMI_3OpsGpr16Idx = PMI_GPR16 * 3, VMI_3OpsGpr32Idx = PMI_GPR32 * 3,
  VMI_3OpsGpr64Idx = PMI_GPR64 * 3, VMI_3OpsFp32Idx = PMI_FP32 * 3, VMI_3OpsFp64Idx = PMI_FP64 * 3, VMI_3OpsVec128Idx = PMI_VEC128 * 3,
  VMI_3OpsVec256Idx = PMI_VEC256 * 3, VMI_3OpsVec512Idx = PMI_VEC512 * 3
}
 

Static Protected Member Functions

static PartialMappingIdx getPartialMappingIdx (const LLT &Ty, bool isFP)
 
static const RegisterBankInfo::ValueMappinggetValueMapping (PartialMappingIdx Idx, unsigned NumOperands)
 

Static Protected Attributes

static RegisterBankInfo::PartialMapping PartMappings []
 
static RegisterBankInfo::ValueMapping ValMappings []
 

Additional Inherited Members

- Public Types inherited from llvm::RegisterBankInfo
using InstructionMappings = SmallVector< const InstructionMapping *, 4 >
 Convenient type to represent the alternatives for mapping an instruction. More...
 
- Public Member Functions inherited from llvm::RegisterBankInfo
const RegisterBankgetRegBankFromConstraints (const MachineInstr &MI, unsigned OpIdx, const TargetInstrInfo &TII, const TargetRegisterInfo &TRI) const
 Get the register bank for the OpIdx-th operand of MI form the encoding constraints, if any. More...
 
virtual void applyMappingImpl (const OperandsMapper &OpdMapper) const
 See applyMapping. More...
 
virtual ~RegisterBankInfo ()=default
 
const RegisterBankgetRegBank (unsigned ID) const
 Get the register bank identified by ID. More...
 
const RegisterBankgetRegBank (unsigned Reg, const MachineRegisterInfo &MRI, const TargetRegisterInfo &TRI) const
 Get the register bank of Reg. More...
 
unsigned getNumRegBanks () const
 Get the total number of register banks. More...
 
virtual const RegisterBankgetRegBankFromRegClass (const TargetRegisterClass &RC) const
 Get a register bank that covers RC. More...
 
virtual unsigned copyCost (const RegisterBank &A, const RegisterBank &B, unsigned Size) const
 Get the cost of a copy from B to A, or put differently, get the cost of A = COPY B. More...
 
virtual const InstructionMappinggetInstrMapping (const MachineInstr &MI) const
 Get the mapping of the different operands of MI on the register bank. More...
 
virtual InstructionMappings getInstrAlternativeMappings (const MachineInstr &MI) const
 Get the alternative mappings for MI. More...
 
const InstructionMappinggetInstructionMapping (unsigned ID, unsigned Cost, const ValueMapping *OperandsMapping, unsigned NumOperands) const
 Method to get a uniquely generated InstructionMapping. More...
 
const InstructionMappinggetInvalidInstructionMapping () const
 Method to get a uniquely generated invalid InstructionMapping. More...
 
- Static Public Member Functions inherited from llvm::RegisterBankInfo
static void applyDefaultMapping (const OperandsMapper &OpdMapper)
 Helper method to apply something that is like the default mapping. More...
 
static const TargetRegisterClassconstrainGenericRegister (unsigned Reg, const TargetRegisterClass &RC, MachineRegisterInfo &MRI)
 Constrain the (possibly generic) virtual register Reg to RC. More...
 
- Public Attributes inherited from llvm::RegisterBankInfo
struct llvm::RegisterBankInfo::PartialMapping ScalarAddx2
 
 VectorAdd
 Get the possible mapping for MI. More...
 
- Static Public Attributes inherited from llvm::RegisterBankInfo
static const unsigned DefaultMappingID = UINT_MAX
 Identifier used when the related instruction mapping instance is generated by target independent code. More...
 
static const unsigned InvalidMappingID = UINT_MAX - 1
 Identifier used when the related instruction mapping instance is generated by the default constructor. More...
 
- Protected Member Functions inherited from llvm::RegisterBankInfo
 RegisterBankInfo (RegisterBank **RegBanks, unsigned NumRegBanks)
 Create a RegisterBankInfo that can accommodate up to NumRegBanks RegisterBank instances. More...
 
 RegisterBankInfo ()
 This constructor is meaningless. More...
 
RegisterBankgetRegBank (unsigned ID)
 Get the register bank identified by ID. More...
 
const TargetRegisterClassgetMinimalPhysRegClass (unsigned Reg, const TargetRegisterInfo &TRI) const
 Get the MinimalPhysRegClass for Reg. More...
 
const InstructionMappinggetInstrMappingImpl (const MachineInstr &MI) const
 Try to get the mapping of MI. More...
 
const PartialMappinggetPartialMapping (unsigned StartIdx, unsigned Length, const RegisterBank &RegBank) const
 Get the uniquely generated PartialMapping for the given arguments. More...
 
const ValueMappinggetValueMapping (unsigned StartIdx, unsigned Length, const RegisterBank &RegBank) const
 The most common ValueMapping consists of a single PartialMapping. More...
 
const ValueMappinggetValueMapping (const PartialMapping *BreakDown, unsigned NumBreakDowns) const
 Get the ValueMapping for the given arguments. More...
 
template<typename Iterator >
const ValueMappinggetOperandsMapping (Iterator Begin, Iterator End) const
 Get the uniquely generated array of ValueMapping for the elements of between Begin and End. More...
 
const ValueMappinggetOperandsMapping (const SmallVectorImpl< const ValueMapping *> &OpdsMapping) const
 Get the uniquely generated array of ValueMapping for the elements of OpdsMapping. More...
 
const ValueMappinggetOperandsMapping (std::initializer_list< const ValueMapping *> OpdsMapping) const
 Get the uniquely generated array of ValueMapping for the given arguments. More...
 
- Protected Attributes inherited from llvm::RegisterBankInfo
RegisterBank ** RegBanks
 Hold the set of supported register banks. More...
 
unsigned NumRegBanks
 Total number of register banks. More...
 
DenseMap< unsigned, std::unique_ptr< const PartialMapping > > MapOfPartialMappings
 Keep dynamically allocated PartialMapping in a separate map. More...
 
DenseMap< unsigned, std::unique_ptr< const ValueMapping > > MapOfValueMappings
 Keep dynamically allocated ValueMapping in a separate map. More...
 
DenseMap< unsigned, std::unique_ptr< ValueMapping[]> > MapOfOperandsMappings
 Keep dynamically allocated array of ValueMapping in a separate map. More...
 
DenseMap< unsigned, std::unique_ptr< const InstructionMapping > > MapOfInstructionMappings
 Keep dynamically allocated InstructionMapping in a separate map. More...
 
DenseMap< unsigned, const TargetRegisterClass * > PhysRegMinimalRCs
 Getting the minimal register class of a physreg is expensive. More...
 

Detailed Description

Definition at line 26 of file X86RegisterBankInfo.h.

Member Enumeration Documentation

◆ PartialMappingIdx

Enumerator
PMI_None 
PMI_GPR8 
PMI_GPR16 
PMI_GPR32 
PMI_GPR64 
PMI_FP32 
PMI_FP64 
PMI_VEC128 
PMI_VEC256 
PMI_VEC512 

Definition at line 34 of file X86RegisterBankInfo.h.

◆ ValueMappingIdx

Enumerator
VMI_None 
VMI_3OpsGpr8Idx 
VMI_3OpsGpr16Idx 
VMI_3OpsGpr32Idx 
VMI_3OpsGpr64Idx 
VMI_3OpsFp32Idx 
VMI_3OpsFp64Idx 
VMI_3OpsVec128Idx 
VMI_3OpsVec256Idx 
VMI_3OpsVec512Idx 

Definition at line 72 of file X86RegisterBankInfo.h.

Member Function Documentation

◆ getPartialMappingIdx()

X86GenRegisterBankInfo::PartialMappingIdx X86GenRegisterBankInfo::getPartialMappingIdx ( const LLT Ty,
bool  isFP 
)
staticprotected

◆ getValueMapping()

static const RegisterBankInfo::ValueMapping* llvm::X86GenRegisterBankInfo::getValueMapping ( PartialMappingIdx  Idx,
unsigned  NumOperands 
)
staticprotected

Referenced by getPartialMappingIdx().

Member Data Documentation

◆ PartMappings

RegisterBankInfo::PartialMapping llvm::X86GenRegisterBankInfo::PartMappings[]
staticprotected

Definition at line 33 of file X86RegisterBankInfo.h.

◆ ValMappings

RegisterBankInfo::ValueMapping llvm::X86GenRegisterBankInfo::ValMappings[]
staticprotected

Definition at line 34 of file X86RegisterBankInfo.h.


The documentation for this class was generated from the following files: