HexagonPeephole.cpp File Reference

#include "Hexagon.h"
#include "HexagonTargetMachine.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetMachine.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "hexagon-peephole"

Functions
	INITIALIZE_PASS (HexagonPeephole, "hexagon-peephole", "Hexagon Peephole", false, false) bool HexagonPeephole
static bool	hasCommonInputOps (const MachineInstr &I1, const MachineInstr &I2)
static bool	modifiesPhysicalInput (ArrayRef< Register > Inputs, const MachineInstr &Between, const TargetRegisterInfo *TRI)

Variables
static cl::opt< bool >	DisableHexagonPeephole ("disable-hexagon-peephole", cl::Hidden, cl::desc("Disable Peephole Optimization"))
static cl::opt< bool >	DisablePNotP ("disable-hexagon-pnotp", cl::Hidden, cl::desc("Disable Optimization of PNotP"))
static cl::opt< bool >	DisableOptSZExt ("disable-hexagon-optszext", cl::Hidden, cl::init(true), cl::desc("Disable Optimization of Sign/Zero Extends"))
static cl::opt< bool >	DisableOptExtTo64 ("disable-hexagon-opt-ext-to-64", cl::Hidden, cl::init(true), cl::desc("Disable Optimization of extensions to i64."))
static cl::opt< bool >	FuseIntrinsicVMinUB ("hexagon-fuse-intrinsic-vminub", cl::Hidden, cl::init(true), cl::desc("Fuse A2_vminub/C2_cmpgtup into " "A6_vminub_RdP."))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "hexagon-peephole"

Definition at line 65 of file HexagonPeephole.cpp.

Function Documentation

hasCommonInputOps()

bool hasCommonInputOps ( const MachineInstr & I1, const MachineInstr & I2 )

static

Definition at line 308 of file HexagonPeephole.cpp.

References llvm::MachineInstr::explicit_uses(), llvm::MachineInstr::getNumExplicitDefs(), and llvm::MachineInstr::getNumExplicitOperands().

INITIALIZE_PASS()

INITIALIZE_PASS	(	HexagonPeephole	,
		"hexagon-peephole"	,
		"Hexagon Peephole"	,
		false	,
		false	)

Definition at line 113 of file HexagonPeephole.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), Changed, llvm::MachineOperand::CreateReg(), DisableHexagonPeephole, DisableOptExtTo64, DisableOptSZExt, DisablePNotP, llvm::Done, llvm::DenseMapBase< StorageT, KeyT, ValueT, KeyInfoT, BucketT >::end(), FuseIntrinsicVMinUB, llvm::MCRegisterClass::getID(), llvm::MachineOperand::getReg(), if(), llvm::Register::isVirtual(), llvm::make_early_inc_range(), MBB, MI, and S1.

modifiesPhysicalInput()

bool modifiesPhysicalInput ( ArrayRef< Register > Inputs, const MachineInstr & Between, const TargetRegisterInfo * TRI )

static

Definition at line 323 of file HexagonPeephole.cpp.

References llvm::MachineInstr::modifiesRegister(), and TRI.

Variable Documentation

DisableHexagonPeephole

cl::opt< bool > DisableHexagonPeephole("disable-hexagon-peephole", cl::Hidden, cl::desc("Disable Peephole Optimization")) ( "disable-hexagon-peephole" , cl::Hidden , cl::desc("Disable Peephole Optimization")  )

static

Referenced by INITIALIZE_PASS().

DisableOptExtTo64

cl::opt< bool > DisableOptExtTo64("disable-hexagon-opt-ext-to-64", cl::Hidden, cl::init(true), cl::desc("Disable Optimization of extensions to i64.")) ( "disable-hexagon-opt-ext-to-64" , cl::Hidden , cl::init(true) , cl::desc("Disable Optimization of extensions to i64.")  )

static

Referenced by INITIALIZE_PASS().

DisableOptSZExt

cl::opt< bool > DisableOptSZExt("disable-hexagon-optszext", cl::Hidden, cl::init(true), cl::desc("Disable Optimization of Sign/Zero Extends")) ( "disable-hexagon-optszext" , cl::Hidden , cl::init(true) , cl::desc("Disable Optimization of Sign/Zero Extends")  )

static

Referenced by INITIALIZE_PASS().

DisablePNotP

cl::opt< bool > DisablePNotP("disable-hexagon-pnotp", cl::Hidden, cl::desc("Disable Optimization of PNotP")) ( "disable-hexagon-pnotp" , cl::Hidden , cl::desc("Disable Optimization of PNotP")  )

static

Referenced by INITIALIZE_PASS().

FuseIntrinsicVMinUB

cl::opt< bool > FuseIntrinsicVMinUB("hexagon-fuse-intrinsic-vminub", cl::Hidden, cl::init(true), cl::desc("Fuse A2_vminub/C2_cmpgtup into " "A6_vminub_RdP.")) ( "hexagon-fuse-intrinsic-vminub" , cl::Hidden , cl::init(true) , cl::desc("Fuse A2_vminub/C2_cmpgtup into " "A6_vminub_RdP.")  )

static

Referenced by INITIALIZE_PASS().