GCNRegPressure.cpp File Reference

This file implements the GCNRegPressure class. More...

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

Include dependency graph for GCNRegPressure.cpp:

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

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.

Function Documentation

collectVirtualRegUses()

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

static

Definition at line 215 of file GCNRegPressure.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::end(), llvm::find_if(), getUsedRegMask(), I, MI, MRI, 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 183 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().

getUsedRegMask()

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

static

Definition at line 195 of file GCNRegPressure.cpp.

References assert(), llvm::LiveIntervals::getInstructionIndex(), llvm::getLiveLaneMask(), llvm::SIRegisterInfo::getNumCoveredRegs(), llvm::MachineOperand::getParent(), llvm::MachineOperand::getReg(), llvm::MachineOperand::getSubReg(), llvm::MachineOperand::isReg(), llvm::MachineOperand::isUse(), llvm::Register::isVirtual(), MRI, SI, and SubReg.

Referenced by collectVirtualRegUses().

reportMismatch()

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

static

Definition at line 428 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(), llvm::printReg(), and TRI.

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