LoopRerollPass.cpp File Reference

#include "llvm/ADT/APInt.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Use.h"
#include "llvm/IR/User.h"
#include "llvm/IR/Value.h"
#include "llvm/InitializePasses.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/Scalar/LoopReroll.h"
#include "llvm/Transforms/Utils.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Transforms/Utils/LoopUtils.h"
#include "llvm/Transforms/Utils/ScalarEvolutionExpander.h"
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <iterator>
#include <map>
#include <utility>

Include dependency graph for LoopRerollPass.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "loop-reroll"

Functions
	STATISTIC (NumRerolledLoops, "Number of rerolled loops")
static bool	hasUsesOutsideLoop (Instruction *I, Loop *L)
static bool	isUnorderedLoadStore (Instruction *I)
static bool	isSimpleArithmeticOp (User *IVU)
	Return true if IVU is a "simple" arithmetic operation.
static bool	isLoopIncrement (User *U, Instruction *IV)
static bool	isIgnorableInst (const Instruction *I)

Variables
static cl::opt< unsigned >	NumToleratedFailedMatches ("reroll-num-tolerated-failed-matches", cl::init(400), cl::Hidden, cl::desc("The maximum number of failures to tolerate" " during fuzzy matching. (default: 400)"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "loop-reroll"

Definition at line 64 of file LoopRerollPass.cpp.

Function Documentation

hasUsesOutsideLoop()

static bool hasUsesOutsideLoop ( Instruction *  I, Loop *  L  )

static

Definition at line 480 of file LoopRerollPass.cpp.

References I.

isIgnorableInst()

static bool isIgnorableInst ( const Instruction *  I )

static

Definition at line 1104 of file LoopRerollPass.cpp.

References llvm::IntrinsicInst::getIntrinsicID(), and I.

isLoopIncrement()

static bool isLoopIncrement ( User *  U, Instruction *  IV  )

static

Definition at line 736 of file LoopRerollPass.cpp.

References llvm::BinaryOperator::getOpcode(), and IV.

isSimpleArithmeticOp()

static bool isSimpleArithmeticOp ( User *  IVU )

static

Return true if IVU is a "simple" arithmetic operation.

This is used for narrowing the search space for DAGRoots; only arithmetic and GEPs can be part of a DAGRoot.

Definition at line 716 of file LoopRerollPass.cpp.

References I.

isUnorderedLoadStore()

static bool isUnorderedLoadStore ( Instruction *  I )

static

Definition at line 703 of file LoopRerollPass.cpp.

References I, MI, and SI.

STATISTIC()

STATISTIC	(	NumRerolledLoops	,
		"Number of rerolled loops"
	)

Variable Documentation

NumToleratedFailedMatches

cl::opt< unsigned > NumToleratedFailedMatches("reroll-num-tolerated-failed-matches", cl::init(400), cl::Hidden, cl::desc("The maximum number of failures to tolerate" " during fuzzy matching. (default: 400)")) ( "reroll-num-tolerated-failed-matches"  , cl::init(400)  , cl::Hidden  , cl::desc("The maximum number of failures to tolerate" " during fuzzy matching. (default: 400)")    )

static