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 "llvm/Target/TargetSubtargetInfo.h"

Include dependency graph for CalcSpillWeights.cpp:

Go to the source code of this file.

Defines
#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)

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Define Documentation

#define DEBUG_TYPE   "calcspillweights"

Definition at line 24 of file CalcSpillWeights.cpp.

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Function Documentation

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

Definition at line 45 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 76 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::AArch64CC::MI, llvm::LiveRange::vni_begin(), and llvm::LiveRange::vni_end().

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