LoopPredication.cpp File Reference

#include "llvm/Transforms/Scalar/LoopPredication.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/Analysis/GuardUtils.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionExpander.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/Pass.h"
#include "llvm/Support/Debug.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/LoopUtils.h"

Include dependency graph for LoopPredication.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "loop-predication"

Functions
	STATISTIC (TotalConsidered, "Number of guards considered")
	STATISTIC (TotalWidened, "Number of checks widened")
	INITIALIZE_PASS_BEGIN (LoopPredicationLegacyPass, "loop-predication", "Loop predication", false, false) INITIALIZE_PASS_END(LoopPredicationLegacyPass

Variables
static cl::opt< bool >	EnableIVTruncation ("loop-predication-enable-iv-truncation", cl::Hidden, cl::init(true))
static cl::opt< bool >	EnableCountDownLoop ("loop-predication-enable-count-down-loop", cl::Hidden, cl::init(true))
static cl::opt< bool >	SkipProfitabilityChecks ("loop-predication-skip-profitability-checks", cl::Hidden, cl::init(false))
static cl::opt< float >	LatchExitProbabilityScale ("loop-predication-latch-probability-scale", cl::Hidden, cl::init(2.0), cl::desc("scale factor for the latch probability. Value should be greater " "than 1. Lower values are ignored"))
loop	predication
loop Loop	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "loop-predication"

Definition at line 199 of file LoopPredication.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	LoopPredicationLegacyPass	,
		"loop-predication"	,
		"Loop predication"	,
		false	,
		false
	)

STATISTIC() [1/2]

STATISTIC	(	TotalConsidered	,
		"Number of guards considered"
	)

STATISTIC() [2/2]

STATISTIC	(	TotalWidened	,
		"Number of checks widened"
	)

Variable Documentation

EnableCountDownLoop

cl::opt<bool> EnableCountDownLoop("loop-predication-enable-count-down-loop", cl::Hidden, cl::init(true))

static

Referenced by llvm::LoopPredicationPass::run().

EnableIVTruncation

cl::opt<bool> EnableIVTruncation("loop-predication-enable-iv-truncation", cl::Hidden, cl::init(true))

static

Referenced by llvm::LoopPredicationPass::run().

false

loop Loop false

Definition at line 337 of file LoopPredication.cpp.

LatchExitProbabilityScale

cl::opt<float> LatchExitProbabilityScale("loop-predication-latch-probability-scale", cl::Hidden, cl::init(2.0), cl::desc("scale factor for the latch probability. Value should be greater " "than 1. Lower values are ignored"))

static

predication

loop Loop predication

Definition at line 337 of file LoopPredication.cpp.

SkipProfitabilityChecks

cl::opt<bool> SkipProfitabilityChecks("loop-predication-skip-profitability-checks", cl::Hidden, cl::init(false))

static