BitcodeAnalyzer.cpp File Reference

#include "llvm/Bitcode/BitcodeAnalyzer.h"
#include "llvm/Bitcode/BitcodeReader.h"
#include "llvm/Bitcode/LLVMBitCodes.h"
#include "llvm/Bitstream/BitCodes.h"
#include "llvm/Bitstream/BitstreamReader.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/SHA1.h"
#include <optional>

Go to the source code of this file.

Macros
#define	STRINGIFY_CODE(PREFIX, CODE)

Functions
static Error	reportError (StringRef Message)
static std::optional< const char * >	GetBlockName (unsigned BlockID, const BitstreamBlockInfo &BlockInfo, CurStreamTypeType CurStreamType)
	Return a symbolic block name if known, otherwise return null.
static std::optional< const char * >	GetCodeName (unsigned CodeID, unsigned BlockID, const BitstreamBlockInfo &BlockInfo, CurStreamTypeType CurStreamType)
	Return a symbolic code name if known, otherwise return null.
static void	printSize (raw_ostream &OS, double Bits)
static void	printSize (raw_ostream &OS, uint64_t Bits)
static Expected< CurStreamTypeType >	ReadSignature (BitstreamCursor &Stream)
static Expected< CurStreamTypeType >	analyzeHeader (std::optional< BCDumpOptions > O, BitstreamCursor &Stream)
static bool	canDecodeBlob (unsigned Code, unsigned BlockID)

Macro Definition Documentation

STRINGIFY_CODE

#define STRINGIFY_CODE	(		PREFIX,
			CODE
	)

Value:

  case bitc::PREFIX##_##CODE:                                                  \
    return #CODE;

Function Documentation

analyzeHeader()

static Expected< CurStreamTypeType > analyzeHeader ( std::optional< BCDumpOptions >  O, BitstreamCursor &  Stream  )

static

Definition at line 486 of file BitcodeAnalyzer.cpp.

References llvm::BWH_CPUTypeField, llvm::BWH_HeaderSize, llvm::BWH_MagicField, llvm::BWH_OffsetField, llvm::BWH_SizeField, llvm::BWH_VersionField, llvm::ArrayRef< T >::data(), llvm::format_hex(), llvm::BitstreamCursor::getBitcodeBytes(), llvm::isBitcodeWrapper(), llvm::Offset, llvm::support::endian::read32le(), ReadSignature(), reportError(), llvm::ArrayRef< T >::size(), Size, and llvm::SkipBitcodeWrapperHeader().

Referenced by llvm::BitcodeAnalyzer::analyze().

canDecodeBlob()

static bool canDecodeBlob ( unsigned  Code, unsigned  BlockID  )

static

Definition at line 523 of file BitcodeAnalyzer.cpp.

References llvm::bitc::METADATA_BLOCK_ID, and llvm::bitc::METADATA_STRINGS.

GetBlockName()

static std::optional< const char * > GetBlockName ( unsigned  BlockID, const BitstreamBlockInfo &  BlockInfo, CurStreamTypeType  CurStreamType  )

static

Return a symbolic block name if known, otherwise return null.

Definition at line 26 of file BitcodeAnalyzer.cpp.

References llvm::bitc::BLOCKINFO_BLOCK_ID, llvm::bitc::CONSTANTS_BLOCK_ID, llvm::bitc::FIRST_APPLICATION_BLOCKID, llvm::bitc::FULL_LTO_GLOBALVAL_SUMMARY_BLOCK_ID, llvm::bitc::FUNCTION_BLOCK_ID, llvm::BitstreamBlockInfo::getBlockInfo(), llvm::bitc::GLOBALVAL_SUMMARY_BLOCK_ID, llvm::bitc::IDENTIFICATION_BLOCK_ID, Info, llvm::LLVMIRBitstream, llvm::bitc::METADATA_ATTACHMENT_ID, llvm::bitc::METADATA_BLOCK_ID, llvm::bitc::METADATA_KIND_BLOCK_ID, llvm::bitc::MODULE_BLOCK_ID, llvm::bitc::MODULE_STRTAB_BLOCK_ID, llvm::bitc::OPERAND_BUNDLE_TAGS_BLOCK_ID, llvm::bitc::PARAMATTR_BLOCK_ID, llvm::bitc::PARAMATTR_GROUP_BLOCK_ID, llvm::bitc::STRTAB_BLOCK_ID, llvm::bitc::SYMTAB_BLOCK_ID, llvm::bitc::TYPE_BLOCK_ID_NEW, llvm::bitc::USELIST_BLOCK_ID, and llvm::bitc::VALUE_SYMTAB_BLOCK_ID.

Referenced by llvm::BitcodeAnalyzer::printStats().

GetCodeName()

static std::optional< const char * > GetCodeName ( unsigned  CodeID, unsigned  BlockID, const BitstreamBlockInfo &  BlockInfo, CurStreamTypeType  CurStreamType  )

static

Return a symbolic code name if known, otherwise return null.

Definition at line 89 of file BitcodeAnalyzer.cpp.

References llvm::bitc::BLOCKINFO_BLOCK_ID, llvm::bitc::BLOCKINFO_CODE_BLOCKNAME, llvm::bitc::BLOCKINFO_CODE_SETBID, llvm::bitc::BLOCKINFO_CODE_SETRECORDNAME, llvm::bitc::CONSTANTS_BLOCK_ID, llvm::bitc::CST_CODE_BLOCKADDRESS, ENTRY, llvm::bitc::FIRST_APPLICATION_BLOCKID, llvm::bitc::FULL_LTO_GLOBALVAL_SUMMARY_BLOCK_ID, FUNCTION, llvm::bitc::FUNCTION_BLOCK_ID, llvm::BitstreamBlockInfo::getBlockInfo(), llvm::bitc::GLOBALVAL_SUMMARY_BLOCK_ID, llvm::bitc::IDENTIFICATION_BLOCK_ID, Info, KIND, llvm::LLVMIRBitstream, llvm::bitc::METADATA_ATTACHMENT_ID, llvm::bitc::METADATA_BLOCK_ID, llvm::bitc::METADATA_KIND_BLOCK_ID, llvm::MODULE, llvm::bitc::MODULE_BLOCK_ID, llvm::bitc::MODULE_STRTAB_BLOCK_ID, NODE, llvm::bitc::OPERAND_BUNDLE_TAG, llvm::bitc::OPERAND_BUNDLE_TAGS_BLOCK_ID, llvm::bitc::PARAMATTR_BLOCK_ID, llvm::bitc::PARAMATTR_CODE_ENTRY, llvm::bitc::PARAMATTR_CODE_ENTRY_OLD, llvm::bitc::PARAMATTR_GROUP_BLOCK_ID, llvm::bitc::PARAMATTR_GRP_CODE_ENTRY, STRINGIFY_CODE, llvm::bitc::STRTAB_BLOB, llvm::bitc::STRTAB_BLOCK_ID, llvm::bitc::SYMTAB_BLOB, llvm::bitc::SYMTAB_BLOCK_ID, TOKEN, llvm::bitc::TYPE_BLOCK_ID_NEW, llvm::bitc::USELIST_BLOCK_ID, llvm::bitc::USELIST_CODE_BB, llvm::bitc::USELIST_CODE_DEFAULT, and llvm::bitc::VALUE_SYMTAB_BLOCK_ID.

Referenced by llvm::BitcodeAnalyzer::printStats().

printSize() [1/2]

static void printSize ( raw_ostream &  OS, double  Bits  )

static

Definition at line 425 of file BitcodeAnalyzer.cpp.

References llvm::format(), and OS.

Referenced by llvm::BitcodeAnalyzer::printStats().

printSize() [2/2]

static void printSize ( raw_ostream &  OS, uint64_t  Bits  )

static

Definition at line 428 of file BitcodeAnalyzer.cpp.

References llvm::format(), and OS.

ReadSignature()

static Expected< CurStreamTypeType > ReadSignature ( BitstreamCursor &  Stream )

static

Definition at line 433 of file BitcodeAnalyzer.cpp.

References llvm::ClangSerializedASTBitstream, llvm::ClangSerializedDiagnosticsBitstream, llvm::LLVMBitstreamRemarks, llvm::LLVMIRBitstream, llvm::BitstreamCursor::Read(), llvm::size(), llvm::Error::success(), and llvm::UnknownBitstream.

Referenced by analyzeHeader().

reportError()

static Error reportError ( StringRef  Message )

static

Definition at line 20 of file BitcodeAnalyzer.cpp.

References llvm::createStringError(), and llvm::StringRef::data().

Referenced by llvm::BitcodeAnalyzer::analyze(), and analyzeHeader().