GCNRegPressure.cpp File Reference

#include "GCNRegPressure.h"
#include "llvm/CodeGen/RegisterPressure.h"

Include dependency graph for GCNRegPressure.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "machine-scheduler"

Functions
static LaneBitmask	getDefRegMask (const MachineOperand &MO, const MachineRegisterInfo &MRI)
static LaneBitmask	getUsedRegMask (const MachineOperand &MO, const MachineRegisterInfo &MRI, const LiveIntervals &LIS)
static SmallVector< RegisterMaskPair, 8 >	collectVirtualRegUses (const MachineInstr &MI, const LiveIntervals &LIS, const MachineRegisterInfo &MRI)

Detailed Description

This file implements the GCNRegPressure class.

Definition in file GCNRegPressure.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "machine-scheduler"

Definition at line 19 of file GCNRegPressure.cpp.

Function Documentation

collectVirtualRegUses()

static SmallVector<RegisterMaskPair, 8> collectVirtualRegUses ( const MachineInstr &  MI, const LiveIntervals &  LIS, const MachineRegisterInfo &  MRI  )

static

Definition at line 190 of file GCNRegPressure.cpp.

References llvm::find_if(), getUsedRegMask(), I, MI, MRI, and llvm::AArch64::RM.

Referenced by llvm::GCNUpwardRPTracker::recede().

getDefRegMask()

static LaneBitmask getDefRegMask ( const MachineOperand &  MO, const MachineRegisterInfo &  MRI  )

static

Definition at line 158 of file GCNRegPressure.cpp.

References assert(), llvm::MachineRegisterInfo::getMaxLaneMaskForVReg(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getSubReg(), llvm::TargetRegisterInfo::getSubRegIndexLaneMask(), llvm::MachineRegisterInfo::getTargetRegisterInfo(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isReg(), llvm::Register::isVirtual(), and MRI.

Referenced by llvm::GCNDownwardRPTracker::advanceToNext(), and llvm::GCNUpwardRPTracker::recede().

getUsedRegMask()

static LaneBitmask getUsedRegMask ( const MachineOperand &  MO, const MachineRegisterInfo &  MRI, const LiveIntervals &  LIS  )

static

Definition at line 170 of file GCNRegPressure.cpp.

References assert(), llvm::SlotIndex::getBaseIndex(), llvm::LiveIntervals::getInstructionIndex(), llvm::getLiveLaneMask(), llvm::MachineRegisterInfo::getMaxLaneMaskForVReg(), llvm::SIRegisterInfo::getNumCoveredRegs(), llvm::MachineOperand::getParent(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getSubReg(), llvm::TargetRegisterInfo::getSubRegIndexLaneMask(), llvm::MachineRegisterInfo::getTargetRegisterInfo(), llvm::MachineOperand::isReg(), llvm::MachineOperand::isUse(), llvm::Register::isVirtual(), MRI, SI, and SubReg.

Referenced by collectVirtualRegUses().