GCNRegPressure.cpp File Reference

This file implements the GCNRegPressure class. More...

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

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "machine-scheduler"
#define	PFX   " "

Functions
static LaneBitmask	getDefRegMask (const MachineOperand &MO, const MachineRegisterInfo &MRI)
static void	collectVirtualRegUses (SmallVectorImpl< RegisterMaskPair > &RegMaskPairs, const MachineInstr &MI, const LiveIntervals &LIS, const MachineRegisterInfo &MRI)
static LaneBitmask	getRegLiveThroughMask (const MachineRegisterInfo &MRI, const LiveIntervals &LIS, Register Reg, SlotIndex Begin, SlotIndex End, LaneBitmask Mask=LaneBitmask::getAll())

Variables
static cl::opt< bool >	UseDownwardTracker ("amdgpu-print-rp-downward", cl::desc("Use GCNDownwardRPTracker for GCNRegPressurePrinter pass"), cl::init(false), cl::Hidden)

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 20 of file GCNRegPressure.cpp.

PFX

#define PFX   " "

Function Documentation

collectVirtualRegUses()

static void collectVirtualRegUses ( SmallVectorImpl< RegisterMaskPair > &  RegMaskPairs, const MachineInstr &  MI, const LiveIntervals &  LIS, const MachineRegisterInfo &  MRI  )

static

Definition at line 258 of file GCNRegPressure.cpp.

References llvm::any_of(), llvm::SmallVectorImpl< T >::emplace_back(), llvm::SlotIndex::getBaseIndex(), llvm::LiveIntervals::getInstructionIndex(), llvm::LiveIntervals::getInterval(), llvm::getLiveLaneMask(), MI, and MRI.

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

getDefRegMask()

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

static

Definition at line 245 of file GCNRegPressure.cpp.

References assert(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getSubReg(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isReg(), llvm::Register::isVirtual(), and MRI.

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

getRegLiveThroughMask()

static LaneBitmask getRegLiveThroughMask ( const MachineRegisterInfo &  MRI, const LiveIntervals &  LIS, Register  Reg, SlotIndex  Begin, SlotIndex  End, LaneBitmask  Mask = LaneBitmask::getAll()  )

static

Definition at line 603 of file GCNRegPressure.cpp.

References End, llvm::LiveInterval::hasSubRanges(), MRI, and llvm::LiveInterval::subranges().

Referenced by llvm::GCNRegPressurePrinter::runOnMachineFunction().

Variable Documentation

UseDownwardTracker

cl::opt< bool > UseDownwardTracker("amdgpu-print-rp-downward", cl::desc("Use GCNDownwardRPTracker for GCNRegPressurePrinter pass"), cl::init(false), cl::Hidden) ( "amdgpu-print-rp-downward"  , cl::desc("Use GCNDownwardRPTracker for GCNRegPressurePrinter pass")  , cl::init(false)  , cl::Hidden    )

static

Referenced by llvm::GCNRegPressurePrinter::runOnMachineFunction().