LLVM  13.0.0git
Classes | Namespaces | Macros | Typedefs | Functions | Variables
PGOInstrumentation.cpp File Reference
#include "llvm/Transforms/Instrumentation/PGOInstrumentation.h"
#include "CFGMST.h"
#include "ValueProfileCollector.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
#include "llvm/ADT/iterator.h"
#include "llvm/ADT/iterator_range.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/Analysis/BranchProbabilityInfo.h"
#include "llvm/Analysis/CFG.h"
#include "llvm/Analysis/EHPersonalities.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/ProfileSummaryInfo.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/Comdat.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.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/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/MDBuilder.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/ProfileSummary.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Value.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/Support/BranchProbability.h"
#include "llvm/Support/CRC.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/DOTGraphTraits.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/GraphWriter.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <memory>
#include <numeric>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>
#include "llvm/ProfileData/InstrProfData.inc"

Go to the source code of this file.

Classes

struct  llvm::GraphTraits< PGOUseFunc * >
 
struct  llvm::DOTGraphTraits< PGOUseFunc * >
 

Namespaces

 llvm
 

Macros

#define DEBUG_TYPE   "pgo-instrumentation"
 
#define VALUE_PROF_KIND(Enumerator, Value, Descr)   Descr,
 

Typedefs

using ProfileCount = Function::ProfileCount
 
using VPCandidateInfo = ValueProfileCollector::CandidateInfo
 

Functions

 STATISTIC (NumOfPGOInstrument, "Number of edges instrumented.")
 
 STATISTIC (NumOfPGOSelectInsts, "Number of select instruction instrumented.")
 
 STATISTIC (NumOfPGOMemIntrinsics, "Number of mem intrinsics instrumented.")
 
 STATISTIC (NumOfPGOEdge, "Number of edges.")
 
 STATISTIC (NumOfPGOBB, "Number of basic-blocks.")
 
 STATISTIC (NumOfPGOSplit, "Number of critical edge splits.")
 
 STATISTIC (NumOfPGOFunc, "Number of functions having valid profile counts.")
 
 STATISTIC (NumOfPGOMismatch, "Number of functions having mismatch profile.")
 
 STATISTIC (NumOfPGOMissing, "Number of functions without profile.")
 
 STATISTIC (NumOfPGOICall, "Number of indirect call value instrumentations.")
 
 STATISTIC (NumOfCSPGOInstrument, "Number of edges instrumented in CSPGO.")
 
 STATISTIC (NumOfCSPGOSelectInsts, "Number of select instruction instrumented in CSPGO.")
 
 STATISTIC (NumOfCSPGOMemIntrinsics, "Number of mem intrinsics instrumented in CSPGO.")
 
 STATISTIC (NumOfCSPGOEdge, "Number of edges in CSPGO.")
 
 STATISTIC (NumOfCSPGOBB, "Number of basic-blocks in CSPGO.")
 
 STATISTIC (NumOfCSPGOSplit, "Number of critical edge splits in CSPGO.")
 
 STATISTIC (NumOfCSPGOFunc, "Number of functions having valid profile counts in CSPGO.")
 
 STATISTIC (NumOfCSPGOMismatch, "Number of functions having mismatch profile in CSPGO.")
 
 STATISTIC (NumOfCSPGOMissing, "Number of functions without profile in CSPGO.")
 
static std::string getBranchCondString (Instruction *TI)
 
 INITIALIZE_PASS_BEGIN (PGOInstrumentationGenLegacyPass, "pgo-instr-gen", "PGO instrumentation.", false, false) INITIALIZE_PASS_END(PGOInstrumentationGenLegacyPass
 
 INITIALIZE_PASS_BEGIN (PGOInstrumentationUseLegacyPass, "pgo-instr-use", "Read PGO instrumentation profile.", false, false) INITIALIZE_PASS_END(PGOInstrumentationUseLegacyPass
 
 INITIALIZE_PASS (PGOInstrumentationGenCreateVarLegacyPass, "pgo-instr-gen-create-var", "Create PGO instrumentation version variable for CSPGO.", false, false) ModulePass *llvm
 
static bool canRenameComdat (Function &F, std::unordered_multimap< Comdat *, GlobalValue * > &ComdatMembers)
 
static void populateEHOperandBundle (VPCandidateInfo &Cand, DenseMap< BasicBlock *, ColorVector > &BlockColors, SmallVectorImpl< OperandBundleDef > &OpBundles)
 
static void instrumentOneFunc (Function &F, Module *M, TargetLibraryInfo &TLI, BranchProbabilityInfo *BPI, BlockFrequencyInfo *BFI, std::unordered_multimap< Comdat *, GlobalValue * > &ComdatMembers, bool IsCS)
 
static uint64_t sumEdgeCount (const ArrayRef< PGOUseEdge * > Edges)
 
static void annotateFunctionWithHashMismatch (Function &F, LLVMContext &ctx)
 
static bool isIndirectBrTarget (BasicBlock *BB)
 
static void collectComdatMembers (Module &M, std::unordered_multimap< Comdat *, GlobalValue * > &ComdatMembers)
 
static bool InstrumentAllFunctions (Module &M, function_ref< TargetLibraryInfo &(Function &)> LookupTLI, function_ref< BranchProbabilityInfo *(Function &)> LookupBPI, function_ref< BlockFrequencyInfo *(Function &)> LookupBFI, bool IsCS)
 
static void fixFuncEntryCount (PGOUseFunc &Func, LoopInfo &LI, BranchProbabilityInfo &NBPI)
 
static void verifyFuncBFI (PGOUseFunc &Func, LoopInfo &LI, BranchProbabilityInfo &NBPI, uint64_t HotCountThreshold, uint64_t ColdCountThreshold)
 
static bool annotateAllFunctions (Module &M, StringRef ProfileFileName, StringRef ProfileRemappingFileName, function_ref< TargetLibraryInfo &(Function &)> LookupTLI, function_ref< BranchProbabilityInfo *(Function &)> LookupBPI, function_ref< BlockFrequencyInfo *(Function &)> LookupBFI, ProfileSummaryInfo *PSI, bool IsCS)
 
static std::string getSimpleNodeName (const BasicBlock *Node)
 
void llvm::setIrrLoopHeaderMetadata (Module *M, Instruction *TI, uint64_t Count)
 

Variables

static cl::opt< std::string > PGOTestProfileFile ("pgo-test-profile-file", cl::init(""), cl::Hidden, cl::value_desc("filename"), cl::desc("Specify the path of profile data file. This is" "mainly for test purpose."))
 
static cl::opt< std::string > PGOTestProfileRemappingFile ("pgo-test-profile-remapping-file", cl::init(""), cl::Hidden, cl::value_desc("filename"), cl::desc("Specify the path of profile remapping file. This is mainly for " "test purpose."))
 
static cl::opt< bool > DisableValueProfiling ("disable-vp", cl::init(false), cl::Hidden, cl::desc("Disable Value Profiling"))
 
static cl::opt< unsigned > MaxNumAnnotations ("icp-max-annotations", cl::init(3), cl::Hidden, cl::ZeroOrMore, cl::desc("Max number of annotations for a single indirect " "call callsite"))
 
static cl::opt< unsigned > MaxNumMemOPAnnotations ("memop-max-annotations", cl::init(4), cl::Hidden, cl::ZeroOrMore, cl::desc("Max number of preicise value annotations for a single memop" "intrinsic"))
 
static cl::opt< bool > DoComdatRenaming ("do-comdat-renaming", cl::init(false), cl::Hidden, cl::desc("Append function hash to the name of COMDAT function to avoid " "function hash mismatch due to the preinliner"))
 
static cl::opt< bool > PGOWarnMissing ("pgo-warn-missing-function", cl::init(false), cl::Hidden, cl::desc("Use this option to turn on/off " "warnings about missing profile data for " "functions."))
 
static cl::opt< bool > NoPGOWarnMismatch ("no-pgo-warn-mismatch", cl::init(false), cl::Hidden, cl::desc("Use this option to turn off/on " "warnings about profile cfg mismatch."))
 
static cl::opt< bool > NoPGOWarnMismatchComdat ("no-pgo-warn-mismatch-comdat", cl::init(true), cl::Hidden, cl::desc("The option is used to turn on/off " "warnings about hash mismatch for comdat " "functions."))
 
static cl::opt< bool > PGOInstrSelect ("pgo-instr-select", cl::init(true), cl::Hidden, cl::desc("Use this option to turn on/off SELECT " "instruction instrumentation. "))
 
static cl::opt< PGOViewCountsTypePGOViewRawCounts ("pgo-view-raw-counts", cl::Hidden, cl::desc("A boolean option to show CFG dag or text " "with raw profile counts from " "profile data. See also option " "-pgo-view-counts. To limit graph " "display to only one function, use " "filtering option -view-bfi-func-name."), cl::values(clEnumValN(PGOVCT_None, "none", "do not show."), clEnumValN(PGOVCT_Graph, "graph", "show a graph."), clEnumValN(PGOVCT_Text, "text", "show in text.")))
 
static cl::opt< bool > PGOInstrMemOP ("pgo-instr-memop", cl::init(true), cl::Hidden, cl::desc("Use this option to turn on/off " "memory intrinsic size profiling."))
 
static cl::opt< bool > EmitBranchProbability ("pgo-emit-branch-prob", cl::init(false), cl::Hidden, cl::desc("When this option is on, the annotated " "branch probability will be emitted as " "optimization remarks: -{Rpass|" "pass-remarks}=pgo-instrumentation"))
 
static cl::opt< bool > PGOInstrumentEntry ("pgo-instrument-entry", cl::init(false), cl::Hidden, cl::desc("Force to instrument function entry basicblock."))
 
static cl::opt< bool > PGOFixEntryCount ("pgo-fix-entry-count", cl::init(true), cl::Hidden, cl::desc("Fix function entry count in profile use."))
 
static cl::opt< bool > PGOVerifyHotBFI ("pgo-verify-hot-bfi", cl::init(false), cl::Hidden, cl::desc("Print out the non-match BFI count if a hot raw profile count " "becomes non-hot, or a cold raw profile count becomes hot. " "The print is enabled under -Rpass-analysis=pgo, or " "internal option -pass-remakrs-analysis=pgo."))
 
static cl::opt< bool > PGOVerifyBFI ("pgo-verify-bfi", cl::init(false), cl::Hidden, cl::desc("Print out mismatched BFI counts after setting profile metadata " "The print is enabled under -Rpass-analysis=pgo, or " "internal option -pass-remakrs-analysis=pgo."))
 
static cl::opt< unsigned > PGOVerifyBFIRatio ("pgo-verify-bfi-ratio", cl::init(5), cl::Hidden, cl::desc("Set the threshold for pgo-verify-big -- only print out " "mismatched BFI if the difference percentage is greater than " "this value (in percentage)."))
 
static cl::opt< unsigned > PGOVerifyBFICutoff ("pgo-verify-bfi-cutoff", cl::init(1), cl::Hidden, cl::desc("Set the threshold for pgo-verify-bfi -- skip the counts whose " "profile count value is below."))
 
cl::opt< PGOViewCountsType > PGOViewCounts
 
cl::opt< std::string > ViewBlockFreqFuncName
 
static cl::opt< bool > PGOOldCFGHashing ("pgo-instr-old-cfg-hashing", cl::init(false), cl::Hidden, cl::desc("Use the old CFG function hashing"))
 
static const char * ValueProfKindDescr []
 
pgo instr gen
 
pgo instr PGO instrumentation
 
pgo instr PGO false
 
pgo instr use
 
pgo instr Read PGO instrumentation profile
 

Macro Definition Documentation

◆ DEBUG_TYPE

#define DEBUG_TYPE   "pgo-instrumentation"

Definition at line 127 of file PGOInstrumentation.cpp.

◆ VALUE_PROF_KIND

#define VALUE_PROF_KIND (   Enumerator,
  Value,
  Descr 
)    Descr,

Typedef Documentation

◆ ProfileCount

Definition at line 124 of file PGOInstrumentation.cpp.

◆ VPCandidateInfo

Definition at line 125 of file PGOInstrumentation.cpp.

Function Documentation

◆ annotateAllFunctions()

static bool annotateAllFunctions ( Module M,
StringRef  ProfileFileName,
StringRef  ProfileRemappingFileName,
function_ref< TargetLibraryInfo &(Function &)>  LookupTLI,
function_ref< BranchProbabilityInfo *(Function &)>  LookupBPI,
function_ref< BlockFrequencyInfo *(Function &)>  LookupBFI,
ProfileSummaryInfo PSI,
bool  IsCS 
)
static

◆ annotateFunctionWithHashMismatch()

static void annotateFunctionWithHashMismatch ( Function F,
LLVMContext ctx 
)
static

◆ canRenameComdat()

static bool canRenameComdat ( Function F,
std::unordered_multimap< Comdat *, GlobalValue * > &  ComdatMembers 
)
static

◆ collectComdatMembers()

static void collectComdatMembers ( Module M,
std::unordered_multimap< Comdat *, GlobalValue * > &  ComdatMembers 
)
static

Definition at line 1588 of file PGOInstrumentation.cpp.

References DoComdatRenaming, F, and M.

Referenced by annotateAllFunctions(), and InstrumentAllFunctions().

◆ fixFuncEntryCount()

static void fixFuncEntryCount ( PGOUseFunc &  Func,
LoopInfo LI,
BranchProbabilityInfo NBPI 
)
static

◆ getBranchCondString()

static std::string getBranchCondString ( Instruction TI)
static

◆ getSimpleNodeName()

static std::string getSimpleNodeName ( const BasicBlock Node)
static

Definition at line 2018 of file PGOInstrumentation.cpp.

◆ INITIALIZE_PASS()

INITIALIZE_PASS ( PGOInstrumentationGenCreateVarLegacyPass  ,
"pgo-instr-gen-create-var"  ,
"Create PGO instrumentation version variable for CSPGO."  ,
false  ,
false   
)

Definition at line 502 of file PGOInstrumentation.cpp.

◆ INITIALIZE_PASS_BEGIN() [1/2]

INITIALIZE_PASS_BEGIN ( PGOInstrumentationGenLegacyPass  ,
"pgo-instr-gen ,
"PGO instrumentation."  ,
false  ,
false   
)

◆ INITIALIZE_PASS_BEGIN() [2/2]

INITIALIZE_PASS_BEGIN ( PGOInstrumentationUseLegacyPass  ,
"pgo-instr-use ,
"Read PGO instrumentation profile."  ,
false  ,
false   
)

◆ InstrumentAllFunctions()

static bool InstrumentAllFunctions ( Module M,
function_ref< TargetLibraryInfo &(Function &)>  LookupTLI,
function_ref< BranchProbabilityInfo *(Function &)>  LookupBPI,
function_ref< BlockFrequencyInfo *(Function &)>  LookupBFI,
bool  IsCS 
)
static

◆ instrumentOneFunc()

static void instrumentOneFunc ( Function F,
Module M,
TargetLibraryInfo TLI,
BranchProbabilityInfo BPI,
BlockFrequencyInfo BFI,
std::unordered_multimap< Comdat *, GlobalValue * > &  ComdatMembers,
bool  IsCS 
)
static

◆ isIndirectBrTarget()

static bool isIndirectBrTarget ( BasicBlock BB)
static

Definition at line 1467 of file PGOInstrumentation.cpp.

References BB, and llvm::predecessors().

◆ populateEHOperandBundle()

static void populateEHOperandBundle ( VPCandidateInfo Cand,
DenseMap< BasicBlock *, ColorVector > &  BlockColors,
SmallVectorImpl< OperandBundleDef > &  OpBundles 
)
static

◆ STATISTIC() [1/19]

STATISTIC ( NumOfCSPGOBB  ,
"Number of basic-blocks in CSPGO."   
)

◆ STATISTIC() [2/19]

STATISTIC ( NumOfCSPGOEdge  ,
"Number of edges in CSPGO."   
)

◆ STATISTIC() [3/19]

STATISTIC ( NumOfCSPGOFunc  ,
"Number of functions having valid profile counts in CSPGO."   
)

◆ STATISTIC() [4/19]

STATISTIC ( NumOfCSPGOInstrument  ,
"Number of edges instrumented in CSPGO."   
)

◆ STATISTIC() [5/19]

STATISTIC ( NumOfCSPGOMemIntrinsics  ,
"Number of mem intrinsics instrumented in CSPGO."   
)

◆ STATISTIC() [6/19]

STATISTIC ( NumOfCSPGOMismatch  ,
"Number of functions having mismatch profile in CSPGO."   
)

◆ STATISTIC() [7/19]

STATISTIC ( NumOfCSPGOMissing  ,
"Number of functions without profile in CSPGO."   
)

◆ STATISTIC() [8/19]

STATISTIC ( NumOfCSPGOSelectInsts  ,
"Number of select instruction instrumented in CSPGO."   
)

◆ STATISTIC() [9/19]

STATISTIC ( NumOfCSPGOSplit  ,
"Number of critical edge splits in CSPGO."   
)

◆ STATISTIC() [10/19]

STATISTIC ( NumOfPGOBB  ,
"Number of basic-blocks."   
)

◆ STATISTIC() [11/19]

STATISTIC ( NumOfPGOEdge  ,
"Number of edges."   
)

◆ STATISTIC() [12/19]

STATISTIC ( NumOfPGOFunc  ,
"Number of functions having valid profile counts."   
)

◆ STATISTIC() [13/19]

STATISTIC ( NumOfPGOICall  ,
"Number of indirect call value instrumentations."   
)

◆ STATISTIC() [14/19]

STATISTIC ( NumOfPGOInstrument  ,
"Number of edges instrumented."   
)

◆ STATISTIC() [15/19]

STATISTIC ( NumOfPGOMemIntrinsics  ,
"Number of mem intrinsics instrumented."   
)

◆ STATISTIC() [16/19]

STATISTIC ( NumOfPGOMismatch  ,
"Number of functions having mismatch profile."   
)

◆ STATISTIC() [17/19]

STATISTIC ( NumOfPGOMissing  ,
"Number of functions without profile."   
)

◆ STATISTIC() [18/19]

STATISTIC ( NumOfPGOSelectInsts  ,
"Number of select instruction instrumented."   
)

◆ STATISTIC() [19/19]

STATISTIC ( NumOfPGOSplit  ,
"Number of critical edge splits."   
)

◆ sumEdgeCount()

static uint64_t sumEdgeCount ( const ArrayRef< PGOUseEdge * >  Edges)
static

Definition at line 1043 of file PGOInstrumentation.cpp.

References E.

◆ verifyFuncBFI()

static void verifyFuncBFI ( PGOUseFunc &  Func,
LoopInfo LI,
BranchProbabilityInfo NBPI,
uint64_t  HotCountThreshold,
uint64_t  ColdCountThreshold 
)
static

Variable Documentation

◆ DisableValueProfiling

cl::opt<bool> DisableValueProfiling("disable-vp", cl::init(false), cl::Hidden, cl::desc("Disable Value Profiling"))
static

Referenced by instrumentOneFunc().

◆ DoComdatRenaming

cl::opt<bool> DoComdatRenaming("do-comdat-renaming", cl::init(false), cl::Hidden, cl::desc("Append function hash to the name of COMDAT function to avoid " "function hash mismatch due to the preinliner"))
static

◆ EmitBranchProbability

cl::opt<bool> EmitBranchProbability("pgo-emit-branch-prob", cl::init(false), cl::Hidden, cl::desc("When this option is on, the annotated " "branch probability will be emitted as " "optimization remarks: -{Rpass|" "pass-remarks}=pgo-instrumentation"))
static

Referenced by llvm::setProfMetadata().

◆ false

pgo instr Read PGO instrumentation false

Definition at line 479 of file PGOInstrumentation.cpp.

◆ gen

pgo instr gen

Definition at line 478 of file PGOInstrumentation.cpp.

◆ instrumentation

pgo instr PGO instrumentation

Definition at line 479 of file PGOInstrumentation.cpp.

◆ MaxNumAnnotations

cl::opt<unsigned> MaxNumAnnotations("icp-max-annotations", cl::init(3), cl::Hidden, cl::ZeroOrMore, cl::desc("Max number of annotations for a single indirect " "call callsite"))
static

◆ MaxNumMemOPAnnotations

cl::opt<unsigned> MaxNumMemOPAnnotations("memop-max-annotations", cl::init(4), cl::Hidden, cl::ZeroOrMore, cl::desc("Max number of preicise value annotations for a single memop" "intrinsic"))
static

◆ NoPGOWarnMismatch

cl::opt<bool> NoPGOWarnMismatch("no-pgo-warn-mismatch", cl::init(false), cl::Hidden, cl::desc("Use this option to turn off/on " "warnings about profile cfg mismatch."))
static

◆ NoPGOWarnMismatchComdat

cl::opt<bool> NoPGOWarnMismatchComdat("no-pgo-warn-mismatch-comdat", cl::init(true), cl::Hidden, cl::desc("The option is used to turn on/off " "warnings about hash mismatch for comdat " "functions."))
static

◆ PGOFixEntryCount

cl::opt<bool> PGOFixEntryCount("pgo-fix-entry-count", cl::init(true), cl::Hidden, cl::desc("Fix function entry count in profile use."))
static

Referenced by annotateAllFunctions().

◆ PGOInstrMemOP

cl::opt<bool> PGOInstrMemOP("pgo-instr-memop", cl::init(true), cl::Hidden, cl::desc("Use this option to turn on/off " "memory intrinsic size profiling."))
static

Referenced by instrumentOneFunc().

◆ PGOInstrSelect

cl::opt<bool> PGOInstrSelect("pgo-instr-select", cl::init(true), cl::Hidden, cl::desc("Use this option to turn on/off SELECT " "instruction instrumentation. "))
static

◆ PGOInstrumentEntry

cl::opt<bool> PGOInstrumentEntry("pgo-instrument-entry", cl::init(false), cl::Hidden, cl::desc("Force to instrument function entry basicblock."))
static

◆ PGOOldCFGHashing

cl::opt<bool> PGOOldCFGHashing("pgo-instr-old-cfg-hashing", cl::init(false), cl::Hidden, cl::desc("Use the old CFG function hashing"))
static

◆ PGOTestProfileFile

cl::opt<std::string> PGOTestProfileFile("pgo-test-profile-file", cl::init(""), cl::Hidden, cl::value_desc("filename"), cl::desc("Specify the path of profile data file. This is" "mainly for test purpose."))
static

◆ PGOTestProfileRemappingFile

cl::opt<std::string> PGOTestProfileRemappingFile("pgo-test-profile-remapping-file", cl::init(""), cl::Hidden, cl::value_desc("filename"), cl::desc("Specify the path of profile remapping file. This is mainly for " "test purpose."))
static

◆ PGOVerifyBFI

cl::opt<bool> PGOVerifyBFI("pgo-verify-bfi", cl::init(false), cl::Hidden, cl::desc("Print out mismatched BFI counts after setting profile metadata " "The print is enabled under -Rpass-analysis=pgo, or " "internal option -pass-remakrs-analysis=pgo."))
static

Referenced by annotateAllFunctions().

◆ PGOVerifyBFICutoff

cl::opt<unsigned> PGOVerifyBFICutoff("pgo-verify-bfi-cutoff", cl::init(1), cl::Hidden, cl::desc("Set the threshold for pgo-verify-bfi -- skip the counts whose " "profile count value is below."))
static

Referenced by verifyFuncBFI().

◆ PGOVerifyBFIRatio

cl::opt<unsigned> PGOVerifyBFIRatio("pgo-verify-bfi-ratio", cl::init(5), cl::Hidden, cl::desc("Set the threshold for pgo-verify-big -- only print out " "mismatched BFI if the difference percentage is greater than " "this value (in percentage)."))
static

Referenced by verifyFuncBFI().

◆ PGOVerifyHotBFI

cl::opt<bool> PGOVerifyHotBFI("pgo-verify-hot-bfi", cl::init(false), cl::Hidden, cl::desc("Print out the non-match BFI count if a hot raw profile count " "becomes non-hot, or a cold raw profile count becomes hot. " "The print is enabled under -Rpass-analysis=pgo, or " "internal option -pass-remakrs-analysis=pgo."))
static

◆ PGOViewCounts

cl::opt<PGOViewCountsType> PGOViewCounts

◆ PGOViewRawCounts

cl::opt<PGOViewCountsType> PGOViewRawCounts("pgo-view-raw-counts", cl::Hidden, cl::desc("A boolean option to show CFG dag or text " "with raw profile counts from " "profile data. See also option " "-pgo-view-counts. To limit graph " "display to only one function, use " "filtering option -view-bfi-func-name."), cl::values(clEnumValN(PGOVCT_None, "none", "do not show."), clEnumValN(PGOVCT_Graph, "graph", "show a graph."), clEnumValN(PGOVCT_Text, "text", "show in text.")))
static

Referenced by annotateAllFunctions().

◆ PGOWarnMissing

cl::opt<bool> PGOWarnMissing("pgo-warn-missing-function", cl::init(false), cl::Hidden, cl::desc("Use this option to turn on/off " "warnings about missing profile data for " "functions."))
static

◆ profile

pgo instr Read PGO instrumentation profile

Definition at line 493 of file PGOInstrumentation.cpp.

◆ use

pgo instr use

Definition at line 492 of file PGOInstrumentation.cpp.

◆ ValueProfKindDescr

const char* ValueProfKindDescr[]
static
Initial value:
= {
#define VALUE_PROF_KIND(Enumerator, Value, Descr)
}

Definition at line 328 of file PGOInstrumentation.cpp.

Referenced by instrumentOneFunc().

◆ ViewBlockFreqFuncName

cl::opt<std::string> ViewBlockFreqFuncName