MIRCanonicalizerPass.cpp File Reference

#include "MIRVRegNamerUtils.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "mir-canonicalizer"

Functions
	INITIALIZE_PASS_BEGIN (MIRCanonicalizer, "mir-canonicalizer", "Rename Register Operands Canonically", false, false) INITIALIZE_PASS_END(MIRCanonicalizer
mir Rename Register Operands static false std::vector< MachineBasicBlock * >	GetRPOList (MachineFunction &MF)
static bool	rescheduleLexographically (std::vector< MachineInstr * > instructions, MachineBasicBlock *MBB, std::function< MachineBasicBlock::iterator()> getPos)
static bool	rescheduleCanonically (unsigned &PseudoIdempotentInstCount, MachineBasicBlock *MBB)
static bool	propagateLocalCopies (MachineBasicBlock *MBB)
static bool	doDefKillClear (MachineBasicBlock *MBB)
static bool	runOnBasicBlock (MachineBasicBlock *MBB, unsigned BasicBlockNum, VRegRenamer &Renamer)

Variables
static cl::opt< unsigned >	CanonicalizeFunctionNumber ("canon-nth-function", cl::Hidden, cl::init(~0u), cl::value_desc("N"), cl::desc("Function number to canonicalize."))
mir	canonicalizer
mir Rename Register Operands	Canonically
mir Rename Register Operands	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "mir-canonicalizer"

Definition at line 38 of file MIRCanonicalizerPass.cpp.

Function Documentation

doDefKillClear()

static bool doDefKillClear ( MachineBasicBlock *  MBB )

static

Definition at line 336 of file MIRCanonicalizerPass.cpp.

References MBB, and MI.

Referenced by runOnBasicBlock().

GetRPOList()

mir Rename Register Operands static false std::vector< MachineBasicBlock * > GetRPOList ( MachineFunction &  MF )

static

Definition at line 76 of file MIRCanonicalizerPass.cpp.

References llvm::append_range().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	MIRCanonicalizer	,
		"mir-canonicalizer"	,
		"Rename Register Operands Canonically"	,
		false	,
		false
	)

propagateLocalCopies()

static bool propagateLocalCopies ( MachineBasicBlock *  MBB )

static

Definition at line 289 of file MIRCanonicalizerPass.cpp.

References Copies, llvm::MachineBasicBlock::getParent(), llvm::MachineFunction::getRegInfo(), llvm::MachineBasicBlock::instrs(), MBB, MI, MRI, and Uses.

Referenced by runOnBasicBlock().

rescheduleCanonically()

static bool rescheduleCanonically ( unsigned &  PseudoIdempotentInstCount, MachineBasicBlock *  MBB  )

static

Definition at line 124 of file MIRCanonicalizerPass.cpp.

References llvm::MachineBasicBlock::begin(), llvm::dbgs(), llvm::MachineOperand::dump(), llvm::find_if(), llvm::MachineBasicBlock::getParent(), llvm::MachineInstr::getParent(), llvm::MachineOperand::getReg(), llvm::MachineFunction::getRegInfo(), II, llvm::MachineBasicBlock::instr_begin(), llvm::MachineBasicBlock::instr_end(), llvm::MachineBasicBlock::instrs(), llvm::is_contained(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isReg(), llvm::Register::isVirtual(), LLVM_DEBUG, MBB, MI, MRI, rescheduleLexographically(), and llvm::MachineBasicBlock::splice().

Referenced by runOnBasicBlock().

rescheduleLexographically()

static bool rescheduleLexographically ( std::vector< MachineInstr * >  instructions, MachineBasicBlock *  MBB, std::function< MachineBasicBlock::iterator()>  getPos  )

static

Definition at line 87 of file MIRCanonicalizerPass.cpp.

References llvm::dbgs(), llvm::raw_ostream::flush(), II, instructions, LLVM_DEBUG, MBB, OS, llvm::sort(), and llvm::MachineBasicBlock::splice().

Referenced by rescheduleCanonically().

runOnBasicBlock()

static bool runOnBasicBlock ( MachineBasicBlock *  MBB, unsigned  BasicBlockNum, VRegRenamer &  Renamer  )

static

Definition at line 358 of file MIRCanonicalizerPass.cpp.

References llvm::dbgs(), doDefKillClear(), llvm::MachineBasicBlock::dump(), llvm::MachineBasicBlock::getName(), LLVM_DEBUG, MBB, propagateLocalCopies(), llvm::VRegRenamer::renameVRegs(), and rescheduleCanonically().

Referenced by INITIALIZE_PASS().

Variable Documentation

CanonicalizeFunctionNumber

cl::opt< unsigned > CanonicalizeFunctionNumber("canon-nth-function", cl::Hidden, cl::init(~0u), cl::value_desc("N"), cl::desc("Function number to canonicalize.")) ( "canon-nth-function"  , cl::Hidden  , cl::init(~0u)  , cl::value_desc("N")  , cl::desc("Function number to canonicalize.")    )

static

canonicalizer

mir canonicalizer

Definition at line 73 of file MIRCanonicalizerPass.cpp.

Canonically

mir Rename Register Operands Canonically

Definition at line 74 of file MIRCanonicalizerPass.cpp.

false

mir Rename Register Operands false

Definition at line 74 of file MIRCanonicalizerPass.cpp.