HexagonBitSimplify.cpp File Reference

#include "BitTracker.h"
#include "HexagonBitTracker.h"
#include "HexagonInstrInfo.h"
#include "HexagonRegisterInfo.h"
#include "HexagonSubtarget.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/GraphTraits.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/MCInstrDesc.h"
#include "llvm/Pass.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <iterator>
#include <limits>
#include <utility>
#include <vector>

Include dependency graph for HexagonBitSimplify.cpp:

Go to the source code of this file.

Namespaces
	llvm
	This file implements support for optimizing divisions by a constant.

Macros
#define	DEBUG_TYPE   "hexbit"

Functions
void	llvm::initializeHexagonBitSimplifyPass (PassRegistry &Registry)
FunctionPass *	llvm::createHexagonBitSimplify ()
	INITIALIZE_PASS_BEGIN (HexagonBitSimplify, "hexagon-bit-simplify", "Hexagon bit simplification", false, false) INITIALIZE_PASS_END(HexagonBitSimplify
FunctionPass *	llvm::createHexagonLoopRescheduling ()
void	llvm::initializeHexagonLoopReschedulingPass (PassRegistry &)
	INITIALIZE_PASS (HexagonLoopRescheduling, "hexagon-loop-resched", "Hexagon Loop Rescheduling", false, false) HexagonLoopRescheduling

Variables
static cl::opt< bool >	PreserveTiedOps ("hexbit-keep-tied", cl::Hidden, cl::init(true), cl::desc("Preserve subregisters in tied operands"))
static cl::opt< bool >	GenExtract ("hexbit-extract", cl::Hidden, cl::init(true), cl::desc("Generate extract instructions"))
static cl::opt< bool >	GenBitSplit ("hexbit-bitsplit", cl::Hidden, cl::init(true), cl::desc("Generate bitsplit instructions"))
static cl::opt< unsigned >	MaxExtract ("hexbit-max-extract", cl::Hidden, cl::init(std::numeric_limits< unsigned >::max()))
static unsigned	CountExtract = 0
static cl::opt< unsigned >	MaxBitSplit ("hexbit-max-bitsplit", cl::Hidden, cl::init(std::numeric_limits< unsigned >::max()))
static unsigned	CountBitSplit = 0
hexagon bit	simplify
hexagon bit Hexagon bit	simplification
hexagon bit Hexagon bit	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "hexbit"

Definition at line 47 of file HexagonBitSimplify.cpp.

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	HexagonLoopRescheduling	,
		"hexagon-loop-resched"	,
		"Hexagon Loop Rescheduling"	,
		false	,
		false
	)

Definition at line 2950 of file HexagonBitSimplify.cpp.

References B, llvm::MachineOperand::getMBB(), i, n, P, and PB().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	HexagonBitSimplify	,
		"hexagon-bit-simplify"	,
		"Hexagon bit simplification"	,
		false	,
		false
	)

Variable Documentation

CountBitSplit

unsigned CountBitSplit = 0

static

Definition at line 63 of file HexagonBitSimplify.cpp.

CountExtract

unsigned CountExtract = 0

static

Definition at line 60 of file HexagonBitSimplify.cpp.

false

hexagon bit Hexagon bit false

Definition at line 262 of file HexagonBitSimplify.cpp.

GenBitSplit

cl::opt<bool> GenBitSplit("hexbit-bitsplit", cl::Hidden, cl::init(true), cl::desc("Generate bitsplit instructions"))

static

GenExtract

cl::opt<bool> GenExtract("hexbit-extract", cl::Hidden, cl::init(true), cl::desc("Generate extract instructions"))

static

MaxBitSplit

cl::opt<unsigned> MaxBitSplit("hexbit-max-bitsplit", cl::Hidden, cl::init(std::numeric_limits< unsigned >::max()))

static

MaxExtract

cl::opt<unsigned> MaxExtract("hexbit-max-extract", cl::Hidden, cl::init(std::numeric_limits< unsigned >::max()))

static

PreserveTiedOps

cl::opt<bool> PreserveTiedOps("hexbit-keep-tied", cl::Hidden, cl::init(true), cl::desc("Preserve subregisters in tied operands"))

static

simplification

hexagon bit Hexagon bit simplification

Definition at line 262 of file HexagonBitSimplify.cpp.

simplify

hexagon bit simplify

Definition at line 261 of file HexagonBitSimplify.cpp.

Referenced by llvm::InstCombinerImpl::visitFAdd(), and llvm::InstCombinerImpl::visitFSub().