ExpandMemCmp.cpp File Reference

#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/IRBuilder.h"

Include dependency graph for ExpandMemCmp.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "expandmemcmp"

Functions
	STATISTIC (NumMemCmpCalls, "Number of memcmp calls")
	STATISTIC (NumMemCmpNotConstant, "Number of memcmp calls without constant size")
	STATISTIC (NumMemCmpGreaterThanMax, "Number of memcmp calls with size greater than max size")
	STATISTIC (NumMemCmpInlined, "Number of inlined memcmp calls")
	INITIALIZE_PASS_BEGIN (ExpandMemCmpPass, "expandmemcmp", "Expand memcmp() to load/stores", false, false) INITIALIZE_PASS_END(ExpandMemCmpPass
Expand	memcmp () to load/stores"

Variables
static cl::opt< unsigned >	MemCmpEqZeroNumLoadsPerBlock ("memcmp-num-loads-per-block", cl::Hidden, cl::init(1), cl::desc("The number of loads per basic block for inline expansion of " "memcmp that is only being compared against zero."))
	expandmemcmp
Expand	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "expandmemcmp"

Definition at line 27 of file ExpandMemCmp.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	ExpandMemCmpPass	,
		"expandmemcmp"	,
		"Expand memcmp() to load/stores"	,
		false	,
		false
	)

memcmp()

Expand memcmp

(

)

STATISTIC() [1/4]

STATISTIC	(	NumMemCmpCalls	,
		"Number of memcmp calls"
	)

STATISTIC() [2/4]

STATISTIC	(	NumMemCmpNotConstant	,
		"Number of memcmp calls without constant size"
	)

STATISTIC() [3/4]

STATISTIC	(	NumMemCmpGreaterThanMax	,
		"Number of memcmp calls with size greater than max size"
	)

STATISTIC() [4/4]

STATISTIC	(	NumMemCmpInlined	,
		"Number of inlined memcmp calls"
	)

Variable Documentation

expandmemcmp

expandmemcmp

Definition at line 860 of file ExpandMemCmp.cpp.

false

Expand false

Definition at line 861 of file ExpandMemCmp.cpp.

MemCmpEqZeroNumLoadsPerBlock

cl::opt<unsigned> MemCmpEqZeroNumLoadsPerBlock("memcmp-num-loads-per-block", cl::Hidden, cl::init(1), cl::desc("The number of loads per basic block for inline expansion of " "memcmp that is only being compared against zero."))

static