CoverageMapping.cpp File Reference

#include "llvm/ProfileData/Coverage/CoverageMapping.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallBitVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Object/BuildID.h"
#include "llvm/ProfileData/Coverage/CoverageMappingReader.h"
#include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cmath>
#include <cstdint>
#include <iterator>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <system_error>
#include <utility>
#include <vector>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "coverage-mapping"

Functions
static unsigned	getMaxCounterID (const CounterMappingContext &Ctx, const CoverageMappingRecord &Record)
static unsigned	getMaxBitmapSize (const CounterMappingContext &Ctx, const CoverageMappingRecord &Record)
	Returns the bit count.
static Error	handleMaybeNoDataFoundError (Error E)
static SmallBitVector	gatherFileIDs (StringRef SourceFile, const FunctionRecord &Function)
static std::optional< unsigned >	findMainViewFileID (const FunctionRecord &Function)
	Return the ID of the file where the definition of the function is located.
static std::optional< unsigned >	findMainViewFileID (StringRef SourceFile, const FunctionRecord &Function)
	Check if SourceFile is the file that contains the definition of the Function.
static bool	isExpansion (const CountedRegion &R, unsigned FileID)
static std::string	getCoverageMapErrString (coveragemap_error Err, const std::string &ErrMsg="")

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "coverage-mapping"

Definition at line 48 of file CoverageMapping.cpp.

Function Documentation

findMainViewFileID() [1/2]

static std::optional< unsigned > findMainViewFileID ( const FunctionRecord &  Function )

static

Return the ID of the file where the definition of the function is located.

Definition at line 1361 of file CoverageMapping.cpp.

References llvm::coverage::CounterMappingRegion::ExpansionRegion, llvm::SmallBitVector::find_first(), I, and llvm::Function::size().

Referenced by findMainViewFileID(), llvm::coverage::CoverageMapping::getCoverageForFile(), llvm::coverage::CoverageMapping::getCoverageForFunction(), and llvm::coverage::CoverageMapping::getInstantiationGroups().

findMainViewFileID() [2/2]

static std::optional< unsigned > findMainViewFileID ( StringRef  SourceFile, const FunctionRecord &  Function  )

static

Check if SourceFile is the file that contains the definition of the Function.

Return the ID of the file in that case or std::nullopt otherwise.

Definition at line 1376 of file CoverageMapping.cpp.

References findMainViewFileID(), and I.

gatherFileIDs()

static SmallBitVector gatherFileIDs ( StringRef  SourceFile, const FunctionRecord &  Function  )

static

Definition at line 1350 of file CoverageMapping.cpp.

References I, and llvm::Function::size().

Referenced by llvm::coverage::CoverageMapping::getCoverageForFile().

getCoverageMapErrString()

static std::string getCoverageMapErrString ( coveragemap_error  Err, const std::string &  ErrMsg = ""  )

static

Definition at line 1560 of file CoverageMapping.cpp.

References llvm::coverage::decompression_failed, llvm::coverage::eof, llvm::coverage::invalid_or_missing_arch_specifier, llvm::coverage::malformed, llvm::coverage::no_data_found, OS, llvm::coverage::success, llvm::coverage::truncated, and llvm::coverage::unsupported_version.

Referenced by llvm::coverage::CoverageMapError::message().

getMaxBitmapSize()

static unsigned getMaxBitmapSize ( const CounterMappingContext &  Ctx, const CoverageMappingRecord &  Record  )

static

Returns the bit count.

Definition at line 614 of file CoverageMapping.cpp.

References llvm::alignTo(), llvm::coverage::mcdc::DecisionParameters::BitmapIdx, llvm::coverage::CounterMappingRegion::MCDCDecisionRegion, llvm::coverage::mcdc::DecisionParameters::NumConditions, and llvm::reverse().

getMaxCounterID()

static unsigned getMaxCounterID ( const CounterMappingContext &  Ctx, const CoverageMappingRecord &  Record  )

static

Definition at line 604 of file CoverageMapping.cpp.

References llvm::coverage::CounterMappingContext::getMaxCounterID().

handleMaybeNoDataFoundError()

static Error handleMaybeNoDataFoundError ( Error  E )

static

Definition at line 950 of file CoverageMapping.cpp.

References llvm::coverage::CoverageMapError::get(), llvm::coverage::CoverageMapError::getMessage(), llvm::handleErrors(), llvm::coverage::no_data_found, and llvm::Error::success().

isExpansion()

static bool isExpansion ( const CountedRegion &  R, unsigned  FileID  )

static

Definition at line 1383 of file CoverageMapping.cpp.

References llvm::coverage::CounterMappingRegion::ExpansionRegion.

Referenced by llvm::coverage::CoverageMapping::getCoverageForExpansion(), llvm::coverage::CoverageMapping::getCoverageForFile(), and llvm::coverage::CoverageMapping::getCoverageForFunction().