LiveRegUnits.cpp File Reference

#include "llvm/CodeGen/LiveRegUnits.h"
#include "llvm/CodeGen/MachineInstrBundle.h"

Include dependency graph for LiveRegUnits.cpp:

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Functions
static bool	operClobbersUnit (const MachineOperand *MO, unsigned Unit, const MCRegisterInfo *MCRI)

Function Documentation

static bool operClobbersUnit ( const MachineOperand *  MO, unsigned  Unit, const MCRegisterInfo *  MCRI  )

static

Return true if the given MachineOperand clobbers the given register unit. A register unit is only clobbered if all its super-registers are clobbered.

Definition at line 22 of file LiveRegUnits.cpp.

References llvm::MachineOperand::clobbersPhysReg(), llvm::MCRegisterInfo::DiffListIterator::isValid(), and llvm::MCRegUnitRootIterator::isValid().

Referenced by llvm::LiveRegUnits::removeRegsInMask().