HexagonFixupHwLoops.cpp File Reference

#include "Hexagon.h"
#include "HexagonTargetMachine.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetInstrInfo.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/PassSupport.h"

Include dependency graph for HexagonFixupHwLoops.cpp:

Go to the source code of this file.

Namespaces
	llvm
	This class represents lattice values for constants.

Functions
FunctionPass *	llvm::createHexagonFixupHwLoops ()
void	llvm::initializeHexagonFixupHwLoopsPass (PassRegistry &)
	INITIALIZE_PASS (HexagonFixupHwLoops, "hwloopsfixup", "Hexagon Hardware Loops Fixup", false, false) FunctionPass *llvm
static bool	isHardwareLoop (const MachineInstr &MI)
	Returns true if the instruction is a hardware loop instruction. More...

Variables
static cl::opt< unsigned >	MaxLoopRange ("hexagon-loop-range", cl::Hidden, cl::init(200), cl::desc("Restrict range of loopN instructions (testing only)"))

Function Documentation

INITIALIZE_PASS()

INITIALIZE_PASS	(	HexagonFixupHwLoops	,
		"hwloopsfixup"	,
		"Hexagon Hardware Loops Fixup"	,
		false	,
		false
	)

Definition at line 77 of file HexagonFixupHwLoops.cpp.

isHardwareLoop()

static bool isHardwareLoop ( const MachineInstr &  MI )

static

Returns true if the instruction is a hardware loop instruction.

Definition at line 85 of file HexagonFixupHwLoops.cpp.

References llvm::AbsoluteDifference(), llvm::MachineInstrBuilder::add(), assert(), llvm::BuildMI(), llvm::MCInstrInfo::get(), llvm::MachineFunction::getFunction(), llvm::TargetSubtargetInfo::getInstrInfo(), llvm::MachineInstr::getOpcode(), llvm::HexagonInstrInfo::getSize(), llvm::MachineFunction::getSubtarget(), llvm_unreachable, MaxLoopRange, MI, and TII.

Variable Documentation

MaxLoopRange

cl::opt<unsigned> MaxLoopRange("hexagon-loop-range", cl::Hidden, cl::init(200), cl::desc("Restrict range of loopN instructions (testing only)"))

static

Referenced by isHardwareLoop().