GCNRegPressure.cpp File Reference

#include "GCNRegPressure.h"
#include "AMDGPUSubtarget.h"
#include "SIRegisterInfo.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/LiveInterval.h"
#include "llvm/CodeGen/LiveIntervals.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/RegisterPressure.h"
#include "llvm/CodeGen/SlotIndexes.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/MC/LaneBitmask.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>

Include dependency graph for GCNRegPressure.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "machine-scheduler"

Functions
static bool	isEqual (const GCNRPTracker::LiveRegSet &S1, const GCNRPTracker::LiveRegSet &S2)
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)
static LLVM_DUMP_METHOD void	reportMismatch (const GCNRPTracker::LiveRegSet &LISLR, const GCNRPTracker::LiveRegSet &TrackedLR, const TargetRegisterInfo *TRI)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "machine-scheduler"

Definition at line 33 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 227 of file GCNRegPressure.cpp.

References llvm::SmallVectorTemplateCommon< T >::begin(), llvm::SmallVectorTemplateCommon< T >::end(), llvm::find_if(), getUsedRegMask(), I, llvm::TargetRegisterInfo::isVirtualRegister(), llvm::MachineInstr::operands(), llvm::SmallVectorTemplateBase< T >::push_back(), Reg, and llvm::NVPTX::PTXCvtMode::RM.

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

getDefRegMask()

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

static

Definition at line 193 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(), and llvm::TargetRegisterInfo::isVirtualRegister().

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 206 of file GCNRegPressure.cpp.

References assert(), llvm::LiveIntervals::getInstructionIndex(), llvm::LaneBitmask::getLane(), llvm::getLiveLaneMask(), llvm::MachineRegisterInfo::getMaxLaneMaskForVReg(), llvm::MachineOperand::getParent(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getSubReg(), llvm::TargetRegisterInfo::getSubRegIndexLaneMask(), llvm::MachineRegisterInfo::getTargetRegisterInfo(), llvm::MachineOperand::isReg(), llvm::MachineOperand::isUse(), llvm::TargetRegisterInfo::isVirtualRegister(), MRI, SI, and SubReg.

Referenced by collectVirtualRegUses().

isEqual()

static bool isEqual ( const GCNRPTracker::LiveRegSet &  S1, const GCNRPTracker::LiveRegSet &  S2  )

static

Definition at line 68 of file GCNRegPressure.cpp.

References assert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineRegisterInfo::getTargetRegisterInfo(), I, llvm::SIRegisterInfo::isSGPRClass(), llvm::TargetRegisterInfo::isVirtualRegister(), MRI, P, Reg, llvm::GCNRegPressure::SGPR32, llvm::GCNRegPressure::SGPR_TUPLE, llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::size(), llvm::GCNRegPressure::VGPR32, and llvm::GCNRegPressure::VGPR_TUPLE.

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

reportMismatch()

static LLVM_DUMP_METHOD void reportMismatch ( const GCNRPTracker::LiveRegSet &  LISLR, const GCNRPTracker::LiveRegSet &  TrackedLR, const TargetRegisterInfo *  TRI  )

static

Definition at line 442 of file GCNRegPressure.cpp.

References llvm::dbgs(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::end(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::find(), I, P, llvm::PrintLaneMask(), and llvm::printReg().

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