class BitMaskClassIterator

Declaration

class BitMaskClassIterator { /* full declaration omitted */ };

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.

Declared at: llvm/include/llvm/CodeGen/TargetRegisterInfo.h:1046

Method Overview

• public BitMaskClassIterator(const uint32_t * Mask, const llvm::TargetRegisterInfo & TRI)
• public unsigned int getID() const
• public bool isValid() const

Methods

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

Description

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

Declared at: llvm/include/llvm/CodeGen/TargetRegisterInfo.h:1110

Parameters

const uint32_t* Mask

const llvm::TargetRegisterInfo& TRI

¶unsigned int getID() const

Description

Returns the current register class ID.

Declared at: llvm/include/llvm/CodeGen/TargetRegisterInfo.h:1120

¶bool isValid() const

Description

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

Declared at: llvm/include/llvm/CodeGen/TargetRegisterInfo.h:1117