PGOMemOPSizeOpt.cpp File Reference

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/Analysis/DomTreeUpdater.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Type.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/ProfileData/InstrProfData.inc"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include <cassert>
#include <cstdint>
#include <vector>

Go to the source code of this file.

Macros
#define	INSTR_PROF_VALUE_PROF_MEMOP_API
#define	DEBUG_TYPE   "pgo-memop-opt"

Functions
	STATISTIC (NumOfPGOMemOPOpt, "Number of memop intrinsics optimized.")
	STATISTIC (NumOfPGOMemOPAnnotate, "Number of memop intrinsics annotated.")
static bool	PGOMemOPSizeOptImpl (Function &F, BlockFrequencyInfo &BFI, OptimizationRemarkEmitter &ORE, DominatorTree *DT, TargetLibraryInfo &TLI)

Variables
static cl::opt< unsigned >	MemOPCountThreshold ("pgo-memop-count-threshold", cl::Hidden, cl::init(1000), cl::desc("The minimum count to optimize memory " "intrinsic calls"))
static cl::opt< bool >	DisableMemOPOPT ("disable-memop-opt", cl::init(false), cl::Hidden, cl::desc("Disable optimize"))
static cl::opt< unsigned >	MemOPPercentThreshold ("pgo-memop-percent-threshold", cl::init(40), cl::Hidden, cl::desc("The percentage threshold for the " "memory intrinsic calls optimization"))
static cl::opt< unsigned >	MemOPMaxVersion ("pgo-memop-max-version", cl::init(3), cl::Hidden, cl::desc("The max version for the optimized memory " " intrinsic calls"))
static cl::opt< bool >	MemOPScaleCount ("pgo-memop-scale-count", cl::init(true), cl::Hidden, cl::desc("Scale the memop size counts using the basic " " block count value"))
cl::opt< bool >	MemOPOptMemcmpBcmp ("pgo-memop-optimize-memcmp-bcmp", cl::init(true), cl::Hidden, cl::desc("Size-specialize memcmp and bcmp calls"))
static cl::opt< unsigned >	MemOpMaxOptSize ("memop-value-prof-max-opt-size", cl::Hidden, cl::init(128), cl::desc("Optimize the memop size <= this value"))

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "pgo-memop-opt"

Definition at line 52 of file PGOMemOPSizeOpt.cpp.

INSTR_PROF_VALUE_PROF_MEMOP_API

#define INSTR_PROF_VALUE_PROF_MEMOP_API

Definition at line 37 of file PGOMemOPSizeOpt.cpp.

Function Documentation

PGOMemOPSizeOptImpl()

bool PGOMemOPSizeOptImpl ( Function & F, BlockFrequencyInfo & BFI, OptimizationRemarkEmitter & ORE, DominatorTree * DT, TargetLibraryInfo & TLI )

static

Definition at line 453 of file PGOMemOPSizeOpt.cpp.

References DisableMemOPOPT, and F.

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

STATISTIC() [1/2]

STATISTIC	(	NumOfPGOMemOPAnnotate	,
		"Number of memop intrinsics annotated."	)

STATISTIC() [2/2]

STATISTIC	(	NumOfPGOMemOPOpt	,
		"Number of memop intrinsics optimized."	)

Variable Documentation

DisableMemOPOPT

cl::opt< bool > DisableMemOPOPT("disable-memop-opt", cl::init(false), cl::Hidden, cl::desc("Disable optimize")) ( "disable-memop-opt" , cl::init(false) , cl::Hidden , cl::desc("Disable optimize")  )

static

Referenced by PGOMemOPSizeOptImpl().

MemOPCountThreshold

cl::opt< unsigned > MemOPCountThreshold("pgo-memop-count-threshold", cl::Hidden, cl::init(1000), cl::desc("The minimum count to optimize memory " "intrinsic calls")) ( "pgo-memop-count-threshold" , cl::Hidden , cl::init(1000) , cl::desc("The minimum count to optimize memory " "intrinsic calls")  )

static

MemOpMaxOptSize

cl::opt< unsigned > MemOpMaxOptSize("memop-value-prof-max-opt-size", cl::Hidden, cl::init(128), cl::desc("Optimize the memop size <= this value")) ( "memop-value-prof-max-opt-size" , cl::Hidden , cl::init(128) , cl::desc("Optimize the memop size <= this value")  )

static

MemOPMaxVersion

cl::opt< unsigned > MemOPMaxVersion("pgo-memop-max-version", cl::init(3), cl::Hidden, cl::desc("The max version for the optimized memory " " intrinsic calls")) ( "pgo-memop-max-version" , cl::init(3) , cl::Hidden , cl::desc("The max version for the optimized memory " " intrinsic calls")  )

static

MemOPOptMemcmpBcmp

cl::opt< bool > MemOPOptMemcmpBcmp("pgo-memop-optimize-memcmp-bcmp", cl::init(true), cl::Hidden, cl::desc("Size-specialize memcmp and bcmp calls"))	(	"pgo-memop-optimize-memcmp-bcmp"	,
		cl::init(true)	,
		cl::Hidden	,
		cl::desc("Size-specialize memcmp and bcmp calls")	)

MemOPPercentThreshold

cl::opt< unsigned > MemOPPercentThreshold("pgo-memop-percent-threshold", cl::init(40), cl::Hidden, cl::desc("The percentage threshold for the " "memory intrinsic calls optimization")) ( "pgo-memop-percent-threshold" , cl::init(40) , cl::Hidden , cl::desc("The percentage threshold for the " "memory intrinsic calls optimization")  )

static

MemOPScaleCount

cl::opt< bool > MemOPScaleCount("pgo-memop-scale-count", cl::init(true), cl::Hidden, cl::desc("Scale the memop size counts using the basic " " block count value")) ( "pgo-memop-scale-count" , cl::init(true) , cl::Hidden , cl::desc("Scale the memop size counts using the basic " " block count value")  )

static