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/GlobalsModRef.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/InstrTypes.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/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/PassRegistry.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/Support/WithColor.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include <cassert>
#include <cstdint>
#include <vector>

Include dependency graph for PGOMemOPSizeOpt.cpp:

Go to the source code of this file.

Namespaces
	llvm
	This is an optimization pass for GlobalISel generic memory operations.

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.")
	INITIALIZE_PASS_BEGIN (PGOMemOPSizeOptLegacyPass, "pgo-memop-opt", "Optimize memory intrinsic using its size value profile", false, false) INITIALIZE_PASS_END(PGOMemOPSizeOptLegacyPass
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::ZeroOrMore, 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::ZeroOrMore, 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::ZeroOrMore, 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"))
pgo memop	opt
char &	llvm::PGOMemOPSizeOptID = PGOMemOPSizeOptLegacyPass::ID

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "pgo-memop-opt"

Definition at line 59 of file PGOMemOPSizeOpt.cpp.

INSTR_PROF_VALUE_PROF_MEMOP_API

#define INSTR_PROF_VALUE_PROF_MEMOP_API

Definition at line 42 of file PGOMemOPSizeOpt.cpp.

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	PGOMemOPSizeOptLegacyPass	,
		"pgo-memop-opt"	,
		"Optimize memory intrinsic using its size value profile"	,
		false	,
		false
	)

PGOMemOPSizeOptImpl()

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

static

Definition at line 507 of file PGOMemOPSizeOpt.cpp.

References llvm::AMDGPUISD::BFI, 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"))

static

Referenced by PGOMemOPSizeOptImpl().

MemOPCountThreshold

cl::opt<unsigned> MemOPCountThreshold("pgo-memop-count-threshold", cl::Hidden, cl::ZeroOrMore, 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"))

static

MemOPMaxVersion

cl::opt<unsigned> MemOPMaxVersion("pgo-memop-max-version", cl::init(3), cl::Hidden, cl::ZeroOrMore, 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"))

MemOPPercentThreshold

cl::opt<unsigned> MemOPPercentThreshold("pgo-memop-percent-threshold", cl::init(40), cl::Hidden, cl::ZeroOrMore, 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"))

static

opt

pgo memop opt

Definition at line 134 of file PGOMemOPSizeOpt.cpp.