IndirectCallPromotion.cpp File Reference

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Analysis/IndirectCallPromotionAnalysis.h"
#include "llvm/Analysis/IndirectCallVisitor.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/ProfileSummaryInfo.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/CallSite.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/CallPromotionUtils.h"
#include <cassert>
#include <cstdint>
#include <memory>
#include <string>
#include <utility>
#include <vector>

Include dependency graph for IndirectCallPromotion.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "pgo-icall-prom"

Functions
	STATISTIC (NumOfPGOICallPromotion, "Number of indirect call promotions.")
	STATISTIC (NumOfPGOICallsites, "Number of indirect call candidate sites.")
	INITIALIZE_PASS_BEGIN (PGOIndirectCallPromotionLegacyPass, "pgo-icall-prom", "Use PGO instrumentation profile to promote indirect " "calls to direct calls.", false, false) INITIALIZE_PASS_END(PGOIndirectCallPromotionLegacyPass
static bool	promoteIndirectCalls (Module &M, ProfileSummaryInfo *PSI, bool InLTO, bool SamplePGO, ModuleAnalysisManager *AM=nullptr)

Variables
static cl::opt< bool >	DisableICP ("disable-icp", cl::init(false), cl::Hidden, cl::desc("Disable indirect call promotion"))
static cl::opt< unsigned >	ICPCutOff ("icp-cutoff", cl::init(0), cl::Hidden, cl::ZeroOrMore, cl::desc("Max number of promotions for this compilation"))
static cl::opt< unsigned >	ICPCSSkip ("icp-csskip", cl::init(0), cl::Hidden, cl::ZeroOrMore, cl::desc("Skip Callsite up to this number for this compilation"))
static cl::opt< bool >	ICPLTOMode ("icp-lto", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion in LTO " "mode"))
static cl::opt< bool >	ICPSamplePGOMode ("icp-samplepgo", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion in SamplePGO mode"))
static cl::opt< bool >	ICPCallOnly ("icp-call-only", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion for call instructions " "only"))
static cl::opt< bool >	ICPInvokeOnly ("icp-invoke-only", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion for " "invoke instruction only"))
static cl::opt< bool >	ICPDUMPAFTER ("icp-dumpafter", cl::init(false), cl::Hidden, cl::desc("Dump IR after transformation happens"))
pgo icall	prom
pgo icall Use PGO instrumentation profile to promote indirect calls to direct	calls
pgo icall Use PGO instrumentation profile to promote indirect calls to direct	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "pgo-icall-prom"

Definition at line 60 of file IndirectCallPromotion.cpp.

Referenced by llvm::createPGOIndirectCallPromotionLegacyPass(), and llvm::pgo::promoteIndirectCall().

Function Documentation

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	PGOIndirectCallPromotionLegacyPass	,
		"pgo-icall-prom"	,
		"Use PGO instrumentation profile to promote indirect " "calls to direct calls."	,
		false	,
		false
	)

promoteIndirectCalls()

static bool promoteIndirectCalls ( Module &  M, ProfileSummaryInfo *  PSI, bool  InLTO, bool  SamplePGO, ModuleAnalysisManager *  AM = nullptr  )

static

Definition at line 383 of file IndirectCallPromotion.cpp.

References llvm::InstrProfSymtab::create(), llvm::dbgs(), DisableICP, E, F(), ICPCutOff, ICPDUMPAFTER, ICPLTOMode, ICPSamplePGOMode, LLVM_DEBUG, llvm::Attribute::OptimizeNone, and llvm::toString().

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

STATISTIC() [1/2]

STATISTIC	(	NumOfPGOICallPromotion	,
		"Number of indirect call promotions."
	)

STATISTIC() [2/2]

STATISTIC	(	NumOfPGOICallsites	,
		"Number of indirect call candidate sites."
	)

Variable Documentation

calls

pgo icall Use PGO instrumentation profile to promote indirect calls to direct calls

Definition at line 156 of file IndirectCallPromotion.cpp.

DisableICP

cl::opt<bool> DisableICP("disable-icp", cl::init(false), cl::Hidden, cl::desc("Disable indirect call promotion"))

static

Referenced by promoteIndirectCalls().

false

pgo icall Use PGO instrumentation profile to promote indirect calls to direct false

Definition at line 156 of file IndirectCallPromotion.cpp.

ICPCallOnly

cl::opt<bool> ICPCallOnly("icp-call-only", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion for call instructions " "only"))

static

Referenced by llvm::createPGOIndirectCallPromotionLegacyPass().

ICPCSSkip

cl::opt<unsigned> ICPCSSkip("icp-csskip", cl::init(0), cl::Hidden, cl::ZeroOrMore, cl::desc("Skip Callsite up to this number for this compilation"))

static

Referenced by llvm::createPGOIndirectCallPromotionLegacyPass().

ICPCutOff

cl::opt<unsigned> ICPCutOff("icp-cutoff", cl::init(0), cl::Hidden, cl::ZeroOrMore, cl::desc("Max number of promotions for this compilation"))

static

Referenced by llvm::createPGOIndirectCallPromotionLegacyPass(), and promoteIndirectCalls().

ICPDUMPAFTER

cl::opt<bool> ICPDUMPAFTER("icp-dumpafter", cl::init(false), cl::Hidden, cl::desc("Dump IR after transformation happens"))

static

Referenced by promoteIndirectCalls().

ICPInvokeOnly

cl::opt<bool> ICPInvokeOnly("icp-invoke-only", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion for " "invoke instruction only"))

static

Referenced by llvm::createPGOIndirectCallPromotionLegacyPass().

ICPLTOMode

cl::opt<bool> ICPLTOMode("icp-lto", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion in LTO " "mode"))

static

Referenced by promoteIndirectCalls(), and llvm::PGOIndirectCallPromotion::run().

ICPSamplePGOMode

cl::opt<bool> ICPSamplePGOMode("icp-samplepgo", cl::init(false), cl::Hidden, cl::desc("Run indirect-call promotion in SamplePGO mode"))

static

Referenced by promoteIndirectCalls(), and llvm::PGOIndirectCallPromotion::run().

prom

pgo icall prom

Definition at line 156 of file IndirectCallPromotion.cpp.