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LLVM 22.0.0git
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#include "llvm/ProfileData/SampleProfReader.h"
Public Member Functions | |
| SampleProfileReaderGCC (std::unique_ptr< MemoryBuffer > B, LLVMContext &C) | |
| std::error_code | readHeader () override |
| Read and validate the file header. | |
| std::error_code | readImpl () override |
| Read sample profiles from the associated file. | |
| Public Member Functions inherited from llvm::sampleprof::SampleProfileReader | |
| SampleProfileReader (std::unique_ptr< MemoryBuffer > B, LLVMContext &C, SampleProfileFormat Format=SPF_None) | |
| virtual | ~SampleProfileReader ()=default |
| void | setDiscriminatorMaskedBitFrom (FSDiscriminatorPass P) |
| Set the bits for FS discriminators. | |
| uint32_t | getDiscriminatorMask () const |
| Get the bitmask the discriminators: For FS profiles, return the bit mask for this pass. | |
| std::error_code | read () |
| The interface to read sample profiles from the associated file. | |
| std::error_code | read (const DenseSet< StringRef > &FuncsToUse) |
| Read sample profiles for the given functions. | |
| LLVM_ABI void | dumpFunctionProfile (const FunctionSamples &FS, raw_ostream &OS=dbgs()) |
Print the profile for FunctionSamples on stream OS. | |
| virtual bool | collectFuncsFromModule () |
| Collect functions with definitions in Module M. | |
| LLVM_ABI void | dump (raw_ostream &OS=dbgs()) |
Print all the profiles on stream OS. | |
| LLVM_ABI void | dumpJson (raw_ostream &OS=dbgs()) |
Print all the profiles on stream OS in the JSON format. | |
| FunctionSamples * | getSamplesFor (const Function &F) |
Return the samples collected for function F. | |
| FunctionSamples * | getSamplesFor (StringRef Fname) |
Return the samples collected for function F. | |
| SampleProfileMap & | getProfiles () |
| Return all the profiles. | |
| void | reportError (int64_t LineNumber, const Twine &Msg) const |
| Report a parse error message. | |
| ProfileSummary & | getSummary () const |
| Return the profile summary. | |
| MemoryBuffer * | getBuffer () const |
| SampleProfileFormat | getFormat () const |
| Return the profile format. | |
| bool | profileIsProbeBased () const |
| Whether input profile is based on pseudo probes. | |
| bool | profileIsCS () const |
| Whether input profile is fully context-sensitive. | |
| bool | profileIsPreInlined () const |
| Whether input profile contains ShouldBeInlined contexts. | |
| bool | profileIsFS () const |
| Whether input profile is flow-sensitive. | |
| virtual std::unique_ptr< ProfileSymbolList > | getProfileSymbolList () |
| virtual std::vector< FunctionId > * | getNameTable () |
| It includes all the names that have samples either in outline instance or inline instance. | |
| virtual bool | dumpSectionInfo (raw_ostream &OS=dbgs()) |
| bool | useMD5 () const |
| Return whether names in the profile are all MD5 numbers. | |
| virtual void | setProfileUseMD5 () |
| Force the profile to use MD5 in Sample contexts, even if function names are present. | |
| void | setSkipFlatProf (bool Skip) |
| Don't read profile without context if the flag is set. | |
| virtual bool | hasUniqSuffix () |
| Return whether any name in the profile contains ".__uniq." suffix. | |
| SampleProfileReaderItaniumRemapper * | getRemapper () |
| void | setModule (const Module *Mod) |
| void | setFuncNameToProfNameMap (const HashKeyMap< std::unordered_map, FunctionId, FunctionId > &FPMap) |
Static Public Member Functions | |
| static bool | hasFormat (const MemoryBuffer &Buffer) |
Return true if Buffer is in the format supported by this class. | |
| Static Public Member Functions inherited from llvm::sampleprof::SampleProfileReader | |
| static LLVM_ABI ErrorOr< std::unique_ptr< SampleProfileReader > > | create (StringRef Filename, LLVMContext &C, vfs::FileSystem &FS, FSDiscriminatorPass P=FSDiscriminatorPass::Base, StringRef RemapFilename="") |
| Create a sample profile reader appropriate to the file format. | |
| static LLVM_ABI ErrorOr< std::unique_ptr< SampleProfileReader > > | create (std::unique_ptr< MemoryBuffer > &B, LLVMContext &C, vfs::FileSystem &FS, FSDiscriminatorPass P=FSDiscriminatorPass::Base, StringRef RemapFilename="") |
| Create a sample profile reader from the supplied memory buffer. | |
Protected Member Functions | |
| std::error_code | readNameTable () |
| std::error_code | readOneFunctionProfile (const InlineCallStack &InlineStack, bool Update, uint32_t Offset) |
| std::error_code | readFunctionProfiles () |
| std::error_code | skipNextWord () |
| template<typename T> | |
| ErrorOr< T > | readNumber () |
| ErrorOr< StringRef > | readString () |
| std::error_code | readSectionTag (uint32_t Expected) |
Read the section tag and check that it's the same as Expected. | |
| Protected Member Functions inherited from llvm::sampleprof::SampleProfileReader | |
| LLVM_ABI void | computeSummary () |
| Compute summary for this profile. | |
| virtual std::error_code | read (const DenseSet< StringRef > &FuncsToUse, SampleProfileMap &Profiles) |
| Read sample profiles for the given functions and write them to the given profile map. | |
Protected Attributes | |
| GCOVBuffer | GcovBuffer |
| GCOV buffer containing the profile. | |
| std::vector< std::string > | Names |
| Function names in this profile. | |
| Protected Attributes inherited from llvm::sampleprof::SampleProfileReader | |
| SampleProfileMap | Profiles |
| Map every function to its associated profile. | |
| LLVMContext & | Ctx |
| LLVM context used to emit diagnostics. | |
| std::unique_ptr< MemoryBuffer > | Buffer |
| Memory buffer holding the profile file. | |
| std::unique_ptr< ProfileSummary > | Summary |
| Profile summary information. | |
| std::unique_ptr< SampleProfileReaderItaniumRemapper > | Remapper |
| const HashKeyMap< std::unordered_map, FunctionId, FunctionId > * | FuncNameToProfNameMap = nullptr |
| std::unordered_map< uint64_t, std::pair< const uint8_t *, const uint8_t * > > | FuncMetadataIndex |
| std::pair< const uint8_t *, const uint8_t * > | ProfileSecRange |
| bool | ProfileHasAttribute = false |
| Whether the profile has attribute metadata. | |
| bool | ProfileIsProbeBased = false |
| Whether samples are collected based on pseudo probes. | |
| bool | ProfileIsCS = false |
| Whether function profiles are context-sensitive flat profiles. | |
| bool | ProfileIsPreInlined = false |
| Whether function profile contains ShouldBeInlined contexts. | |
| uint32_t | CSProfileCount = 0 |
| Number of context-sensitive profiles. | |
| bool | ProfileIsFS = false |
| Whether the function profiles use FS discriminators. | |
| bool | ReadVTableProf = false |
| If true, the profile has vtable profiles and reader should decode them to parse profiles correctly. | |
| SampleProfileFormat | Format = SPF_None |
| The format of sample. | |
| const Module * | M = nullptr |
| The current module being compiled if SampleProfileReader is used by compiler. | |
| uint32_t | MaskedBitFrom = 31 |
| Zero out the discriminator bits higher than bit MaskedBitFrom (0 based). | |
| bool | ProfileIsMD5 = false |
| Whether the profile uses MD5 for Sample Contexts and function names. | |
| bool | SkipFlatProf = false |
| If SkipFlatProf is true, skip functions marked with !Flat in text mode or sections with SecFlagFlat flag in ExtBinary mode. | |
Static Protected Attributes | |
| static const uint32_t | GCOVTagAFDOFileNames = 0xaa000000 |
| GCOV tags used to separate sections in the profile file. | |
| static const uint32_t | GCOVTagAFDOFunction = 0xac000000 |
Additional Inherited Members | |
| Static Protected Member Functions inherited from llvm::sampleprof::SampleProfileReader | |
| static std::unique_ptr< ProfileSummary > | takeSummary (SampleProfileReader &Reader) |
| Take ownership of the summary of this reader. | |
Definition at line 897 of file SampleProfReader.h.
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inline |
Definition at line 899 of file SampleProfReader.h.
References B(), llvm::sampleprof::SampleProfileReader::Buffer, llvm::CallingConv::C, GcovBuffer, llvm::get(), llvm::move(), llvm::sampleprof::SampleProfileReader::SampleProfileReader(), and llvm::sampleprof::SPF_GCC.
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static |
Return true if Buffer is in the format supported by this class.
Definition at line 1964 of file SampleProfReader.cpp.
References llvm::sampleprof::SampleProfileReader::Buffer.
Referenced by llvm::sampleprof::SampleProfileReader::create().
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protected |
Definition at line 1807 of file SampleProfReader.cpp.
References llvm::sampleprof::SampleProfileReader::computeSummary(), GcovBuffer, GCOVTagAFDOFunction, I, readOneFunctionProfile(), readSectionTag(), llvm::success, and llvm::truncated.
Referenced by readImpl().
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overridevirtual |
Read and validate the file header.
Implements llvm::sampleprof::SampleProfileReader.
Definition at line 1754 of file SampleProfReader.cpp.
References GcovBuffer, skipNextWord(), llvm::success, llvm::unrecognized_format, llvm::unsupported_version, and llvm::GCOV::V407.
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overridevirtual |
Read sample profiles from the associated file.
Read a GCC AutoFDO profile.
This format is generated by the Linux Perf conversion tool at https://github.com/google/autofdo.
Implements llvm::sampleprof::SampleProfileReader.
Definition at line 1951 of file SampleProfReader.cpp.
References assert(), ProfileIsFSDisciminator, readFunctionProfiles(), readNameTable(), and llvm::success.
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protected |
Definition at line 1789 of file SampleProfReader.cpp.
References GcovBuffer, GCOVTagAFDOFileNames, I, Names, readSectionTag(), Size, llvm::success, and llvm::truncated.
Referenced by readImpl().
Definition at line 1731 of file SampleProfReader.cpp.
References GcovBuffer, llvm::malformed, llvm::sampleprof::SampleProfileReader::reportError(), and T.
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protected |
Definition at line 1824 of file SampleProfReader.cpp.
References llvm::sampleprof::FunctionSamples::addBodySamples(), llvm::sampleprof::FunctionSamples::addCalledTargetSamples(), llvm::sampleprof::FunctionSamples::addHeadSamples(), llvm::append_range(), llvm::Count, llvm::SmallVectorTemplateCommon< T, typename >::front(), llvm::sampleprof::FunctionSamples::functionSamplesAt(), GcovBuffer, llvm::sampleprof::FunctionSamples::getTotalSamples(), llvm::sampleprof::HIST_TYPE_INDIR_CALL_TOPN, I, llvm::malformed, Names, llvm::Offset, llvm::sampleprof::SampleProfileReader::Profiles, llvm::SmallVectorTemplateBase< T, bool >::push_back(), readOneFunctionProfile(), llvm::sampleprof::FunctionSamples::setFunction(), llvm::SmallVectorTemplateCommon< T, typename >::size(), llvm::success, and llvm::truncated.
Referenced by readFunctionProfiles(), and readOneFunctionProfile().
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protected |
Read the section tag and check that it's the same as Expected.
Definition at line 1775 of file SampleProfReader.cpp.
References GcovBuffer, llvm::malformed, skipNextWord(), llvm::success, llvm::Tag, and llvm::truncated.
Referenced by readFunctionProfiles(), and readNameTable().
Definition at line 1747 of file SampleProfReader.cpp.
References GcovBuffer, and llvm::truncated.
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protected |
Definition at line 1724 of file SampleProfReader.cpp.
References GcovBuffer, llvm::success, and llvm::truncated.
Referenced by readHeader(), and readSectionTag().
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protected |
GCOV buffer containing the profile.
Definition at line 925 of file SampleProfReader.h.
Referenced by readFunctionProfiles(), readHeader(), readNameTable(), readNumber(), readOneFunctionProfile(), readSectionTag(), readString(), SampleProfileReaderGCC(), and skipNextWord().
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staticprotected |
GCOV tags used to separate sections in the profile file.
Definition at line 931 of file SampleProfReader.h.
Referenced by readNameTable().
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staticprotected |
Definition at line 932 of file SampleProfReader.h.
Referenced by readFunctionProfiles().
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protected |
Function names in this profile.
Definition at line 928 of file SampleProfReader.h.
Referenced by readNameTable(), and readOneFunctionProfile().