LoopVersioningLICM.cpp File Reference

#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/LoopAccessAnalysis.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/IR/CallSite.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils.h"
#include "llvm/Transforms/Utils/LoopUtils.h"
#include "llvm/Transforms/Utils/LoopVersioning.h"
#include <cassert>
#include <memory>

Include dependency graph for LoopVersioningLICM.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "loop-versioning-licm"

Functions
static MDNode *	createStringMetadata (Loop *TheLoop, StringRef Name, unsigned V)
	Create MDNode for input string. More...
	INITIALIZE_PASS_BEGIN (LoopVersioningLICM, "loop-versioning-licm", "Loop Versioning For LICM", false, false) INITIALIZE_PASS_END(LoopVersioningLICM

Variables
static const char *	LICMVersioningMetaData = "llvm.loop.licm_versioning.disable"
static cl::opt< float >	LVInvarThreshold ("licm-versioning-invariant-threshold", cl::desc("LoopVersioningLICM's minimum allowed percentage" "of possible invariant instructions per loop"), cl::init(25), cl::Hidden)
	Threshold minimum allowed percentage for possible invariant instructions in a loop. More...
static cl::opt< unsigned >	LVLoopDepthThreshold ("licm-versioning-max-depth-threshold", cl::desc("LoopVersioningLICM's threshold for maximum allowed loop nest/depth"), cl::init(2), cl::Hidden)
	Threshold for maximum allowed loop nest/depth. More...
loop versioning	licm
loop versioning Loop Versioning For	LICM
loop versioning Loop Versioning For	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "loop-versioning-licm"

Definition at line 96 of file LoopVersioningLICM.cpp.

Function Documentation

createStringMetadata()

static MDNode* createStringMetadata ( Loop *  TheLoop, StringRef  Name, unsigned  V  )

static

Create MDNode for input string.

Definition at line 116 of file LoopVersioningLICM.cpp.

References Context, llvm::ConstantInt::get(), llvm::ConstantAsMetadata::get(), llvm::MDString::get(), llvm::MDNode::get(), llvm::BasicBlock::getContext(), llvm::LoopBase< BlockT, LoopT >::getHeader(), and llvm::Type::getInt32Ty().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	LoopVersioningLICM	,
		"loop-versioning-licm"	,
		"Loop Versioning For LICM"	,
		false	,
		false
	)

Variable Documentation

false

loop versioning Loop Versioning For false

Definition at line 668 of file LoopVersioningLICM.cpp.

licm

loop versioning licm

Definition at line 668 of file LoopVersioningLICM.cpp.

LICM

loop versioning Loop Versioning For LICM

Definition at line 668 of file LoopVersioningLICM.cpp.

Referenced by llvm::promoteLoopAccessesToScalars(), and llvm::LICMPass::run().

LICMVersioningMetaData

const char* LICMVersioningMetaData = "llvm.loop.licm_versioning.disable"

static

Definition at line 98 of file LoopVersioningLICM.cpp.

LVInvarThreshold

cl::opt<float> LVInvarThreshold("licm-versioning-invariant-threshold", cl::desc("LoopVersioningLICM's minimum allowed percentage" "of possible invariant instructions per loop"), cl::init(25), cl::Hidden)

static

Threshold minimum allowed percentage for possible invariant instructions in a loop.

LVLoopDepthThreshold

cl::opt<unsigned> LVLoopDepthThreshold("licm-versioning-max-depth-threshold", cl::desc( "LoopVersioningLICM's threshold for maximum allowed loop nest/depth"), cl::init(2), cl::Hidden)

static

Threshold for maximum allowed loop nest/depth.