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//===- CoverageSummaryInfo.h - Coverage summary for function/file ---------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// These structures are used to represent code coverage metrics
// for functions/files.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_COV_COVERAGESUMMARYINFO_H
#define LLVM_COV_COVERAGESUMMARYINFO_H
#include "llvm/ProfileData/Coverage/CoverageMapping.h"
#include "llvm/Support/raw_ostream.h"
namespace llvm {
/// \brief Provides information about region coverage for a function/file.
class RegionCoverageInfo {
/// \brief The number of regions that were executed at least once.
size_t Covered;
/// \brief The total number of regions in a function/file.
size_t NumRegions;
public:
RegionCoverageInfo() : Covered(0), NumRegions(0) {}
RegionCoverageInfo(size_t Covered, size_t NumRegions)
: Covered(Covered), NumRegions(NumRegions) {
assert(Covered <= NumRegions && "Covered regions over-counted");
}
RegionCoverageInfo &operator+=(const RegionCoverageInfo &RHS) {
Covered += RHS.Covered;
NumRegions += RHS.NumRegions;
return *this;
}
void merge(const RegionCoverageInfo &RHS) {
Covered = std::max(Covered, RHS.Covered);
NumRegions = std::max(NumRegions, RHS.NumRegions);
}
size_t getCovered() const { return Covered; }
size_t getNumRegions() const { return NumRegions; }
bool isFullyCovered() const { return Covered == NumRegions; }
double getPercentCovered() const {
assert(Covered <= NumRegions && "Covered regions over-counted");
if (NumRegions == 0)
return 0.0;
return double(Covered) / double(NumRegions) * 100.0;
}
};
/// \brief Provides information about line coverage for a function/file.
class LineCoverageInfo {
/// \brief The number of lines that were executed at least once.
size_t Covered;
/// \brief The total number of lines in a function/file.
size_t NumLines;
public:
LineCoverageInfo() : Covered(0), NumLines(0) {}
LineCoverageInfo(size_t Covered, size_t NumLines)
: Covered(Covered), NumLines(NumLines) {
assert(Covered <= NumLines && "Covered lines over-counted");
}
LineCoverageInfo &operator+=(const LineCoverageInfo &RHS) {
Covered += RHS.Covered;
NumLines += RHS.NumLines;
return *this;
}
void merge(const LineCoverageInfo &RHS) {
Covered = std::max(Covered, RHS.Covered);
NumLines = std::max(NumLines, RHS.NumLines);
}
size_t getCovered() const { return Covered; }
size_t getNumLines() const { return NumLines; }
bool isFullyCovered() const { return Covered == NumLines; }
double getPercentCovered() const {
assert(Covered <= NumLines && "Covered lines over-counted");
if (NumLines == 0)
return 0.0;
return double(Covered) / double(NumLines) * 100.0;
}
};
/// \brief Provides information about function coverage for a file.
class FunctionCoverageInfo {
/// \brief The number of functions that were executed.
size_t Executed;
/// \brief The total number of functions in this file.
size_t NumFunctions;
public:
FunctionCoverageInfo() : Executed(0), NumFunctions(0) {}
FunctionCoverageInfo(size_t Executed, size_t NumFunctions)
: Executed(Executed), NumFunctions(NumFunctions) {}
void addFunction(bool Covered) {
if (Covered)
++Executed;
++NumFunctions;
}
size_t getExecuted() const { return Executed; }
size_t getNumFunctions() const { return NumFunctions; }
bool isFullyCovered() const { return Executed == NumFunctions; }
double getPercentCovered() const {
assert(Executed <= NumFunctions && "Covered functions over-counted");
if (NumFunctions == 0)
return 0.0;
return double(Executed) / double(NumFunctions) * 100.0;
}
};
/// \brief A summary of function's code coverage.
struct FunctionCoverageSummary {
std::string Name;
uint64_t ExecutionCount;
RegionCoverageInfo RegionCoverage;
LineCoverageInfo LineCoverage;
FunctionCoverageSummary(const std::string &Name)
: Name(Name), ExecutionCount(0), RegionCoverage(), LineCoverage() {}
FunctionCoverageSummary(const std::string &Name, uint64_t ExecutionCount,
const RegionCoverageInfo &RegionCoverage,
const LineCoverageInfo &LineCoverage)
: Name(Name), ExecutionCount(ExecutionCount),
RegionCoverage(RegionCoverage), LineCoverage(LineCoverage) {}
/// \brief Compute the code coverage summary for the given function coverage
/// mapping record.
static FunctionCoverageSummary get(const coverage::CoverageMapping &CM,
const coverage::FunctionRecord &Function);
/// Compute the code coverage summary for an instantiation group \p Group,
/// given a list of summaries for each instantiation in \p Summaries.
static FunctionCoverageSummary
get(const coverage::InstantiationGroup &Group,
ArrayRef<FunctionCoverageSummary> Summaries);
};
/// \brief A summary of file's code coverage.
struct FileCoverageSummary {
StringRef Name;
RegionCoverageInfo RegionCoverage;
LineCoverageInfo LineCoverage;
FunctionCoverageInfo FunctionCoverage;
FunctionCoverageInfo InstantiationCoverage;
FileCoverageSummary(StringRef Name)
: Name(Name), RegionCoverage(), LineCoverage(), FunctionCoverage(),
InstantiationCoverage() {}
void addFunction(const FunctionCoverageSummary &Function) {
RegionCoverage += Function.RegionCoverage;
LineCoverage += Function.LineCoverage;
FunctionCoverage.addFunction(/*Covered=*/Function.ExecutionCount > 0);
}
void addInstantiation(const FunctionCoverageSummary &Function) {
InstantiationCoverage.addFunction(/*Covered=*/Function.ExecutionCount > 0);
}
};
/// \brief A cache for demangled symbols.
struct DemangleCache {
StringMap<std::string> DemangledNames;
/// \brief Demangle \p Sym if possible. Otherwise, just return \p Sym.
StringRef demangle(StringRef Sym) const {
const auto DemangledName = DemangledNames.find(Sym);
if (DemangledName == DemangledNames.end())
return Sym;
return DemangledName->getValue();
}
};
} // namespace llvm
#endif // LLVM_COV_COVERAGESUMMARYINFO_H
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