CalcSpillWeights.cpp File Reference

#include "llvm/CodeGen/CalcSpillWeights.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"

Include dependency graph for CalcSpillWeights.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "calcspillweights"

Functions
static unsigned	copyHint (const MachineInstr *mi, unsigned reg, const TargetRegisterInfo &tri, const MachineRegisterInfo &mri)
static bool	isRematerializable (const LiveInterval &LI, const LiveIntervals &LIS, const TargetInstrInfo &TII)

Macro Definition Documentation

#define DEBUG_TYPE   "calcspillweights"

Definition at line 10 of file CalcSpillWeights.cpp.

Function Documentation

static unsigned copyHint ( const MachineInstr *  mi, unsigned  reg, const TargetRegisterInfo &  tri, const MachineRegisterInfo &  mri  )

static

Definition at line 44 of file CalcSpillWeights.cpp.

References llvm::TargetRegisterClass::contains(), llvm::TargetRegisterInfo::getMatchingSuperReg(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineRegisterInfo::getRegClass(), llvm::MachineOperand::getSubReg(), llvm::TargetRegisterInfo::isVirtualRegister(), and sub().

Referenced by llvm::VirtRegAuxInfo::calculateSpillWeightAndHint().

static bool isRematerializable ( const LiveInterval &  LI, const LiveIntervals &  LIS, const TargetInstrInfo &  TII  )

static

Definition at line 75 of file CalcSpillWeights.cpp.

References llvm::VNInfo::def, llvm::LiveIntervals::getAliasAnalysis(), llvm::LiveIntervals::getInstructionFromIndex(), I, llvm::VNInfo::isPHIDef(), llvm::TargetInstrInfo::isTriviallyReMaterializable(), llvm::VNInfo::isUnused(), llvm::A64CC::MI, llvm::LiveRange::vni_begin(), and llvm::LiveRange::vni_end().

Referenced by llvm::VirtRegAuxInfo::calculateSpillWeightAndHint().