HexagonNewValueJump.cpp File Reference

#include "llvm/PassSupport.h"
#include "Hexagon.h"
#include "HexagonInstrInfo.h"
#include "HexagonMachineFunctionInfo.h"
#include "HexagonRegisterInfo.h"
#include "HexagonSubtarget.h"
#include "HexagonTargetMachine.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/LiveVariables.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/ScheduleDAGInstrs.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include <map>

Include dependency graph for HexagonNewValueJump.cpp:

Go to the source code of this file.

Namespaces
namespace	llvm
	List of target independent CodeGen pass IDs.
Defines
#define	DEBUG_TYPE   "hexagon-nvj"
Functions
	STATISTIC (NumNVJGenerated,"Number of New Value Jump Instructions created")
void	llvm::initializeHexagonNewValueJumpPass (PassRegistry &)
	INITIALIZE_PASS_BEGIN (HexagonNewValueJump,"hexagon-nvj","Hexagon NewValueJump", false, false) INITIALIZE_PASS_END(HexagonNewValueJump
hexagon Hexagon static false bool	canBeFeederToNewValueJump (const HexagonInstrInfo *QII, const TargetRegisterInfo *TRI, MachineBasicBlock::iterator II, MachineBasicBlock::iterator end, MachineBasicBlock::iterator skip, MachineFunction &MF)
static bool	commonChecksToProhibitNewValueJump (bool afterRA, MachineBasicBlock::iterator MII)
static bool	canCompareBeNewValueJump (const HexagonInstrInfo *QII, const TargetRegisterInfo *TRI, MachineBasicBlock::iterator II, unsigned pReg, bool secondReg, bool optLocation, MachineBasicBlock::iterator end, MachineFunction &MF)
static unsigned	getNewValueJumpOpcode (MachineInstr *MI, int reg, bool secondRegNewified, MachineBasicBlock *jmpTarget, const MachineBranchProbabilityInfo *MBPI)
Variables
static cl::opt< int >	DbgNVJCount ("nvj-count", cl::init(-1), cl::Hidden, cl::desc("Maximum number of predicated jumps to be converted to New Value Jump"))
static cl::opt< bool >	DisableNewValueJumps ("disable-nvjump", cl::Hidden, cl::ZeroOrMore, cl::init(false), cl::desc("Disable New Value Jumps"))
hexagon	nvj
hexagon Hexagon	NewValueJump
hexagon Hexagon	false

---

Define Documentation

#define DEBUG_TYPE   "hexagon-nvj"

Definition at line 49 of file HexagonNewValueJump.cpp.

---

Function Documentation

hexagon Hexagon static false bool canBeFeederToNewValueJump	(	const HexagonInstrInfo *	QII,
		const TargetRegisterInfo *	TRI,
		MachineBasicBlock::iterator	II,
		MachineBasicBlock::iterator	end,
		MachineBasicBlock::iterator	skip,
		MachineFunction &	MF
	)		[static]

Definition at line 108 of file HexagonNewValueJump.cpp.

References llvm::sys::path::end(), and llvm::TargetOpcode::KILL.

static bool canCompareBeNewValueJump	(	const HexagonInstrInfo *	QII,
		const TargetRegisterInfo *	TRI,
		MachineBasicBlock::iterator	II,
		unsigned	pReg,
		bool	secondReg,
		bool	optLocation,
		MachineBasicBlock::iterator	end,
		MachineFunction &	MF
	)		[static]

Definition at line 214 of file HexagonNewValueJump.cpp.

References commonChecksToProhibitNewValueJump(), llvm::TargetOpcode::COPY, llvm::sys::path::end(), llvm::MachineOperand::getImm(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getOperand(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), llvm::MachineRegisterInfo::getVRegDef(), llvm::TargetRegisterInfo::isPhysicalRegister(), and llvm::AArch64CC::MI.

static bool commonChecksToProhibitNewValueJump	(	bool	afterRA,
		MachineBasicBlock::iterator	MII
	)		[static]

Definition at line 171 of file HexagonNewValueJump.cpp.

References llvm::TargetOpcode::COPY, llvm::TargetOpcode::KILL, and llvm::TargetOpcode::PHI.

Referenced by canCompareBeNewValueJump().

static unsigned getNewValueJumpOpcode	(	MachineInstr *	MI,
		int	reg,
		bool	secondRegNewified,
		MachineBasicBlock *	jmpTarget,
		const MachineBranchProbabilityInfo *	MBPI
	)		[static]

Definition at line 288 of file HexagonNewValueJump.cpp.

References llvm::MachineBranchProbabilityInfo::getEdgeProbability(), llvm::MachineInstr::getOpcode(), llvm::MachineInstr::getParent(), and llvm_unreachable.

INITIALIZE_PASS_BEGIN	(	HexagonNewValueJump	,
		"hexagon-nvj"	,
		"Hexagon NewValueJump"	,
		false	,
		false
	)

STATISTIC	(	NumNVJGenerated	,
		"Number of New Value Jump Instructions created"
	)

---

Variable Documentation

cl::opt<int> DbgNVJCount("nvj-count", cl::init(-1), cl::Hidden, cl::desc("Maximum number of predicated jumps to be converted to New Value Jump")) [static]

cl::opt<bool> DisableNewValueJumps("disable-nvjump", cl::Hidden, cl::ZeroOrMore, cl::init(false), cl::desc("Disable New Value Jumps")) [static]

hexagon Hexagon false

Definition at line 102 of file HexagonNewValueJump.cpp.

hexagon Hexagon NewValueJump

Definition at line 102 of file HexagonNewValueJump.cpp.

hexagon nvj

Definition at line 102 of file HexagonNewValueJump.cpp.