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Static Public Member Functions | List of all members
llvm::MachineInstrExpressionTrait Struct Reference

#include <MachineInstr.h>

Inheritance diagram for llvm::MachineInstrExpressionTrait:
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Collaboration diagram for llvm::MachineInstrExpressionTrait:
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Static Public Member Functions

static MachineInstr * getEmptyKey ()
 
static MachineInstr * getTombstoneKey ()
 
static unsigned getHashValue (const MachineInstr *const &MI)
 
static bool isEqual (const MachineInstr *const &LHS, const MachineInstr *const &RHS)
 

Detailed Description

MachineInstrExpressionTrait - Special DenseMapInfo traits to compare MachineInstr* by value of the instruction rather than by pointer value. The hashing and equality testing functions ignore definitions so this is useful for CSE, etc.

Definition at line 1047 of file MachineInstr.h.

Member Function Documentation

static MachineInstr* llvm::MachineInstrExpressionTrait::getEmptyKey ( )
inlinestatic

Definition at line 1048 of file MachineInstr.h.

Referenced by isEqual().

unsigned MachineInstrExpressionTrait::getHashValue ( const MachineInstr *const &  MI)
static

Definition at line 1811 of file MachineInstr.cpp.

References llvm::SmallVectorTemplateCommon< T >::begin(), llvm::SmallVectorTemplateCommon< T >::end(), llvm::MachineInstr::getNumOperands(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::hash_combine_range(), llvm::MachineOperand::hash_value, llvm::MachineOperand::isDef(), llvm::MachineOperand::isReg(), llvm::TargetRegisterInfo::isVirtualRegister(), llvm::SmallVectorTemplateBase< T, isPodLike< T >::value >::push_back(), and llvm::SmallVectorImpl< T >::reserve().

static MachineInstr* llvm::MachineInstrExpressionTrait::getTombstoneKey ( )
inlinestatic

Definition at line 1052 of file MachineInstr.h.

Referenced by isEqual().

static bool llvm::MachineInstrExpressionTrait::isEqual ( const MachineInstr *const &  LHS,
const MachineInstr *const &  RHS 
)
inlinestatic

Definition at line 1058 of file MachineInstr.h.

References getEmptyKey(), getTombstoneKey(), llvm::MachineInstr::IgnoreVRegDefs, and llvm::MachineInstr::isIdenticalTo().

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

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