llvm::BitMaskClassIterator Class Reference

This class encapuslates the logic to iterate over bitmask returned by the various RegClass related APIs. More...

#include "llvm/CodeGen/TargetRegisterInfo.h"

Public Member Functions
	BitMaskClassIterator (const uint32_t *Mask, const TargetRegisterInfo &TRI)
	Create a BitMaskClassIterator that visits all the register classes represented by Mask. More...
bool	isValid () const
	Returns true if this iterator is still pointing at a valid entry. More...
unsigned	getID () const
	Returns the current register class ID. More...
void	operator++ ()
	Advance iterator to the next entry. More...

Detailed Description

This class encapuslates the logic to iterate over bitmask returned by the various RegClass related APIs.

E.g., this class can be used to iterate over the subclasses provided by TargetRegisterClass::getSubClassMask or SuperRegClassIterator::getMask.

Definition at line 1068 of file TargetRegisterInfo.h.

Constructor & Destructor Documentation

BitMaskClassIterator()

llvm::BitMaskClassIterator::BitMaskClassIterator ( const uint32_t *  Mask, const TargetRegisterInfo &  TRI  )

inline

Create a BitMaskClassIterator that visits all the register classes represented by Mask.

Precondition

Mask != nullptr

Definition at line 1132 of file TargetRegisterInfo.h.

Member Function Documentation

getID()

unsigned llvm::BitMaskClassIterator::getID ( ) const

inline

Returns the current register class ID.

Definition at line 1142 of file TargetRegisterInfo.h.

isValid()

bool llvm::BitMaskClassIterator::isValid ( ) const

inline

Returns true if this iterator is still pointing at a valid entry.

Definition at line 1139 of file TargetRegisterInfo.h.

References llvm::TargetRegisterClass::getID().

Referenced by llvm::TargetRegisterInfo::getAllocatableClass().

operator++()

void llvm::BitMaskClassIterator::operator++ ( )

inline

Advance iterator to the next entry.

Definition at line 1145 of file TargetRegisterInfo.h.

References assert().

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

• include/llvm/CodeGen/TargetRegisterInfo.h