IndirectCallPromotion.cpp File Reference

#include "InstrumentationOptions.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.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/Analysis/TypeMetadataUtils.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/ProfDataUtils.h"
#include "llvm/IR/Value.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/ProfileData/ProfileCommon.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/PGOInstrumentation.h"
#include "llvm/Transforms/Utils/CallPromotionUtils.h"
#include "llvm/Transforms/Utils/Instrumentation.h"
#include <cassert>
#include <cstdint>
#include <set>
#include <string>
#include <utility>
#include <vector>

Go to the source code of this file.

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

Macros
#define	DEBUG_TYPE   "pgo-icall-prom"

Functions
	STATISTIC (NumOfPGOICallPromotion, "Number of indirect call promotions.")
	STATISTIC (NumOfPGOICallsites, "Number of indirect call candidate sites.")
static MDNode *	createBranchWeights (LLVMContext &Context, uint64_t TrueWeight, uint64_t FalseWeight)
static void	computeVirtualCallSiteTypeInfoMap (Module &M, ModuleAnalysisManager &MAM, VirtualCallSiteTypeInfoMap &VirtualCSInfo)
static bool	promoteIndirectCalls (const InstrumentationOptions &Opts, Module &M, ProfileSummaryInfo *PSI, bool InLTO, bool SamplePGO, ModuleAnalysisManager &MAM)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "pgo-icall-prom"

Definition at line 54 of file IndirectCallPromotion.cpp.

Function Documentation

computeVirtualCallSiteTypeInfoMap()

void computeVirtualCallSiteTypeInfoMap ( Module & M, ModuleAnalysisManager & MAM, VirtualCallSiteTypeInfoMap & VirtualCSInfo )

static

Definition at line 910 of file IndirectCallPromotion.cpp.

References llvm::cast(), llvm::dyn_cast(), F, FAM, llvm::findDevirtualizableCallsForTypeTest(), llvm::Intrinsic::getDeclarationIfExists(), llvm::make_early_inc_range(), MAM, llvm::PGOIndirectCallVisitor::tryGetVTableInstruction(), llvm::Value::use_empty(), and llvm::Value::uses().

Referenced by promoteIndirectCalls().

createBranchWeights()

MDNode * createBranchWeights ( LLVMContext & Context, uint64_t TrueWeight, uint64_t FalseWeight )

static

Definition at line 560 of file IndirectCallPromotion.cpp.

References llvm::calculateCountScale(), llvm::MDBuilder::createBranchWeights(), llvm::scaleBranchCount(), and uint64_t.

Referenced by llvm::pgo::promoteIndirectCall().

promoteIndirectCalls()

bool promoteIndirectCalls ( const InstrumentationOptions & Opts, Module & M, ProfileSummaryInfo * PSI, bool InLTO, bool SamplePGO, ModuleAnalysisManager & MAM )

static

Definition at line 963 of file IndirectCallPromotion.cpp.

References Changed, computeVirtualCallSiteTypeInfoMap(), llvm::InstrProfSymtab::create(), llvm::dbgs(), E(), llvm::EnableVTableProfileUse, F, FAM, llvm::detail::DenseSetImpl< ValueT, MapTy >::insert_range(), LLVM_DEBUG, MAM, 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."	)

References llvm::MaxNumVTableAnnotations.