LoopVectorizationLegality.cpp File Reference

#include "llvm/Transforms/Vectorize/LoopVectorizationLegality.h"
#include "llvm/Analysis/VectorUtils.h"
#include "llvm/IR/IntrinsicInst.h"

Include dependency graph for LoopVectorizationLegality.cpp:

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Namespaces
	llvm
	This class represents lattice values for constants.

Macros
#define	LV_NAME   "loop-vectorize"
#define	DEBUG_TYPE   LV_NAME

Functions
OptimizationRemarkAnalysis	llvm::createLVMissedAnalysis (const char *PassName, StringRef RemarkName, Loop *TheLoop, Instruction *I=nullptr)
	Create an analysis remark that explains why vectorization failed. More...
static bool	llvm::isUniformLoop (Loop *Lp, Loop *OuterLp)
static bool	llvm::isUniformLoopNest (Loop *Lp, Loop *OuterLp)
static bool	llvm::canIfConvertPHINodes (BasicBlock *BB)
	Check whether it is safe to if-convert this phi node. More...
static Type *	llvm::convertPointerToIntegerType (const DataLayout &DL, Type *Ty)
static Type *	llvm::getWiderType (const DataLayout &DL, Type *Ty0, Type *Ty1)
static bool	llvm::hasOutsideLoopUser (const Loop *TheLoop, Instruction *Inst, SmallPtrSetImpl< Value *> &AllowedExit)
	Check that the instruction has outside loop users and is not an identified reduction variable. More...

Variables
static cl::opt< bool >	EnableIfConversion ("enable-if-conversion", cl::init(true), cl::Hidden, cl::desc("Enable if-conversion during vectorization."))
static cl::opt< unsigned >	PragmaVectorizeMemoryCheckThreshold ("pragma-vectorize-memory-check-threshold", cl::init(128), cl::Hidden, cl::desc("The maximum allowed number of runtime memory checks with a " "vectorize(enable) pragma."))
static cl::opt< unsigned >	VectorizeSCEVCheckThreshold ("vectorize-scev-check-threshold", cl::init(16), cl::Hidden, cl::desc("The maximum number of SCEV checks allowed."))
static cl::opt< unsigned >	PragmaVectorizeSCEVCheckThreshold ("pragma-vectorize-scev-check-threshold", cl::init(128), cl::Hidden, cl::desc("The maximum number of SCEV checks allowed with a " "vectorize(enable) pragma"))
static const unsigned	MaxInterleaveFactor = 16
	Maximum vectorization interleave count. More...

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   LV_NAME

Definition at line 24 of file LoopVectorizationLegality.cpp.

Referenced by llvm::LoopVectorizationLegality::blockNeedsPredication(), llvm::LoopVectorizationLegality::canVectorize(), and llvm::LoopVectorizationLegality::isUniform().

LV_NAME

#define LV_NAME   "loop-vectorize"

Definition at line 23 of file LoopVectorizationLegality.cpp.

Referenced by llvm::LoopVectorizeHints::emitRemarkWithHints(), and llvm::LoopVectorizeHints::vectorizeAnalysisPassName().

Variable Documentation

EnableIfConversion

cl::opt<bool> EnableIfConversion("enable-if-conversion", cl::init(true), cl::Hidden, cl::desc("Enable if-conversion during vectorization."))

static

Referenced by llvm::LoopVectorizationLegality::blockNeedsPredication().

MaxInterleaveFactor

const unsigned MaxInterleaveFactor = 16

static

Maximum vectorization interleave count.

Definition at line 45 of file LoopVectorizationLegality.cpp.

Referenced by llvm::createLVMissedAnalysis().

PragmaVectorizeMemoryCheckThreshold

cl::opt<unsigned> PragmaVectorizeMemoryCheckThreshold("pragma-vectorize-memory-check-threshold", cl::init(128), cl::Hidden, cl::desc("The maximum allowed number of runtime memory checks with a " "vectorize(enable) pragma."))

static

Referenced by llvm::LoopVectorizationRequirements::doesNotMeet().

PragmaVectorizeSCEVCheckThreshold

cl::opt<unsigned> PragmaVectorizeSCEVCheckThreshold("pragma-vectorize-scev-check-threshold", cl::init(128), cl::Hidden, cl::desc("The maximum number of SCEV checks allowed with a " "vectorize(enable) pragma"))

static

Referenced by llvm::LoopVectorizationLegality::canVectorize().

VectorizeSCEVCheckThreshold

cl::opt<unsigned> VectorizeSCEVCheckThreshold("vectorize-scev-check-threshold", cl::init(16), cl::Hidden, cl::desc("The maximum number of SCEV checks allowed."))

static

Referenced by llvm::LoopVectorizationLegality::canVectorize().