HexagonConstExtenders.cpp File Reference

#include "HexagonInstrInfo.h"
#include "HexagonRegisterInfo.h"
#include "HexagonSubtarget.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Register.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
#include <set>
#include <utility>
#include <vector>

Go to the source code of this file.

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	DEBUG_TYPE   "hexagon-cext-opt"

Functions
void	llvm::initializeHexagonConstExtendersPass (PassRegistry &)
FunctionPass *	llvm::createHexagonConstExtenders ()
static int32_t	adjustUp (int32_t V, uint8_t A, uint8_t O)
static int32_t	adjustDown (int32_t V, uint8_t A, uint8_t O)
	INITIALIZE_PASS_BEGIN (HexagonConstExtenders, "hexagon-cext-opt", "Hexagon constant-extender optimization", false, false) INITIALIZE_PASS_END(HexagonConstExtenders

Variables
static cl::opt< unsigned >	CountThreshold ("hexagon-cext-threshold", cl::init(3), cl::Hidden, cl::desc("Minimum number of extenders to trigger replacement"))
static cl::opt< unsigned >	ReplaceLimit ("hexagon-cext-limit", cl::init(0), cl::Hidden, cl::desc("Maximum number of replacements"))
hexagon cext	opt
hexagon cext Hexagon constant extender	optimization
hexagon cext Hexagon constant extender	false
hexagon cext Hexagon constant extender static false unsigned	ReplaceCounter = 0

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "hexagon-cext-opt"

Definition at line 28 of file HexagonConstExtenders.cpp.

Function Documentation

adjustDown()

static int32_t adjustDown ( int32_t  V, uint8_t  A, uint8_t  O  )

static

Definition at line 51 of file HexagonConstExtenders.cpp.

References A, assert(), and llvm::isPowerOf2_32().

adjustUp()

static int32_t adjustUp ( int32_t  V, uint8_t  A, uint8_t  O  )

static

Definition at line 45 of file HexagonConstExtenders.cpp.

References A, assert(), and llvm::isPowerOf2_32().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	HexagonConstExtenders	,
		"hexagon-cext-opt"	,
		"Hexagon constant-extender optimization"	,
		false	,
		false
	)

Variable Documentation

CountThreshold

cl::opt< unsigned > CountThreshold("hexagon-cext-threshold", cl::init(3), cl::Hidden, cl::desc("Minimum number of extenders to trigger replacement")) ( "hexagon-cext-threshold"  , cl::init(3)  , cl::Hidden  , cl::desc("Minimum number of extenders to trigger replacement")    )

static

false

hexagon cext Hexagon constant extender false

Definition at line 574 of file HexagonConstExtenders.cpp.

opt

hexagon cext opt

Definition at line 573 of file HexagonConstExtenders.cpp.

optimization

hexagon cext Hexagon constant extender optimization

Definition at line 574 of file HexagonConstExtenders.cpp.

ReplaceCounter

hexagon cext Hexagon constant extender static false unsigned ReplaceCounter = 0

static

Definition at line 576 of file HexagonConstExtenders.cpp.

ReplaceLimit

cl::opt< unsigned > ReplaceLimit("hexagon-cext-limit", cl::init(0), cl::Hidden, cl::desc("Maximum number of replacements")) ( "hexagon-cext-limit"  , cl::init(0)  , cl::Hidden  , cl::desc("Maximum number of replacements")    )

static