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diff --git a/lib/IR/GCOV.cpp b/lib/IR/GCOV.cpp
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-//===- GCOV.cpp - LLVM coverage tool --------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// GCOV implements the interface to read and write coverage files that use
-// 'gcov' format.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/GCOV.h"
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Format.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/raw_ostream.h"
-#include <algorithm>
-#include <system_error>
-
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-// GCOVFile implementation.
-
-/// readGCNO - Read GCNO buffer.
-bool GCOVFile::readGCNO(GCOVBuffer &Buffer) {
- if (!Buffer.readGCNOFormat())
- return false;
- if (!Buffer.readGCOVVersion(Version))
- return false;
-
- if (!Buffer.readInt(Checksum))
- return false;
- while (true) {
- if (!Buffer.readFunctionTag())
- break;
- auto GFun = make_unique<GCOVFunction>(*this);
- if (!GFun->readGCNO(Buffer, Version))
- return false;
- Functions.push_back(std::move(GFun));
- }
-
- GCNOInitialized = true;
- return true;
-}
-
-/// readGCDA - Read GCDA buffer. It is required that readGCDA() can only be
-/// called after readGCNO().
-bool GCOVFile::readGCDA(GCOVBuffer &Buffer) {
- assert(GCNOInitialized && "readGCDA() can only be called after readGCNO()");
- if (!Buffer.readGCDAFormat())
- return false;
- GCOV::GCOVVersion GCDAVersion;
- if (!Buffer.readGCOVVersion(GCDAVersion))
- return false;
- if (Version != GCDAVersion) {
- errs() << "GCOV versions do not match.\n";
- return false;
- }
-
- uint32_t GCDAChecksum;
- if (!Buffer.readInt(GCDAChecksum))
- return false;
- if (Checksum != GCDAChecksum) {
- errs() << "File checksums do not match: " << Checksum
- << " != " << GCDAChecksum << ".\n";
- return false;
- }
- for (size_t i = 0, e = Functions.size(); i < e; ++i) {
- if (!Buffer.readFunctionTag()) {
- errs() << "Unexpected number of functions.\n";
- return false;
- }
- if (!Functions[i]->readGCDA(Buffer, Version))
- return false;
- }
- if (Buffer.readObjectTag()) {
- uint32_t Length;
- uint32_t Dummy;
- if (!Buffer.readInt(Length))
- return false;
- if (!Buffer.readInt(Dummy))
- return false; // checksum
- if (!Buffer.readInt(Dummy))
- return false; // num
- if (!Buffer.readInt(RunCount))
- return false;
- Buffer.advanceCursor(Length - 3);
- }
- while (Buffer.readProgramTag()) {
- uint32_t Length;
- if (!Buffer.readInt(Length))
- return false;
- Buffer.advanceCursor(Length);
- ++ProgramCount;
- }
-
- return true;
-}
-
-void GCOVFile::print(raw_ostream &OS) const {
- for (const auto &FPtr : Functions)
- FPtr->print(OS);
-}
-
-#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-/// dump - Dump GCOVFile content to dbgs() for debugging purposes.
-LLVM_DUMP_METHOD void GCOVFile::dump() const {
- print(dbgs());
-}
-#endif
-
-/// collectLineCounts - Collect line counts. This must be used after
-/// reading .gcno and .gcda files.
-void GCOVFile::collectLineCounts(FileInfo &FI) {
- for (const auto &FPtr : Functions)
- FPtr->collectLineCounts(FI);
- FI.setRunCount(RunCount);
- FI.setProgramCount(ProgramCount);
-}
-
-//===----------------------------------------------------------------------===//
-// GCOVFunction implementation.
-
-/// readGCNO - Read a function from the GCNO buffer. Return false if an error
-/// occurs.
-bool GCOVFunction::readGCNO(GCOVBuffer &Buff, GCOV::GCOVVersion Version) {
- uint32_t Dummy;
- if (!Buff.readInt(Dummy))
- return false; // Function header length
- if (!Buff.readInt(Ident))
- return false;
- if (!Buff.readInt(Checksum))
- return false;
- if (Version != GCOV::V402) {
- uint32_t CfgChecksum;
- if (!Buff.readInt(CfgChecksum))
- return false;
- if (Parent.getChecksum() != CfgChecksum) {
- errs() << "File checksums do not match: " << Parent.getChecksum()
- << " != " << CfgChecksum << " in (" << Name << ").\n";
- return false;
- }
- }
- if (!Buff.readString(Name))
- return false;
- if (!Buff.readString(Filename))
- return false;
- if (!Buff.readInt(LineNumber))
- return false;
-
- // read blocks.
- if (!Buff.readBlockTag()) {
- errs() << "Block tag not found.\n";
- return false;
- }
- uint32_t BlockCount;
- if (!Buff.readInt(BlockCount))
- return false;
- for (uint32_t i = 0, e = BlockCount; i != e; ++i) {
- if (!Buff.readInt(Dummy))
- return false; // Block flags;
- Blocks.push_back(make_unique<GCOVBlock>(*this, i));
- }
-
- // read edges.
- while (Buff.readEdgeTag()) {
- uint32_t EdgeCount;
- if (!Buff.readInt(EdgeCount))
- return false;
- EdgeCount = (EdgeCount - 1) / 2;
- uint32_t BlockNo;
- if (!Buff.readInt(BlockNo))
- return false;
- if (BlockNo >= BlockCount) {
- errs() << "Unexpected block number: " << BlockNo << " (in " << Name
- << ").\n";
- return false;
- }
- for (uint32_t i = 0, e = EdgeCount; i != e; ++i) {
- uint32_t Dst;
- if (!Buff.readInt(Dst))
- return false;
- Edges.push_back(make_unique<GCOVEdge>(*Blocks[BlockNo], *Blocks[Dst]));
- GCOVEdge *Edge = Edges.back().get();
- Blocks[BlockNo]->addDstEdge(Edge);
- Blocks[Dst]->addSrcEdge(Edge);
- if (!Buff.readInt(Dummy))
- return false; // Edge flag
- }
- }
-
- // read line table.
- while (Buff.readLineTag()) {
- uint32_t LineTableLength;
- // Read the length of this line table.
- if (!Buff.readInt(LineTableLength))
- return false;
- uint32_t EndPos = Buff.getCursor() + LineTableLength * 4;
- uint32_t BlockNo;
- // Read the block number this table is associated with.
- if (!Buff.readInt(BlockNo))
- return false;
- if (BlockNo >= BlockCount) {
- errs() << "Unexpected block number: " << BlockNo << " (in " << Name
- << ").\n";
- return false;
- }
- GCOVBlock &Block = *Blocks[BlockNo];
- // Read the word that pads the beginning of the line table. This may be a
- // flag of some sort, but seems to always be zero.
- if (!Buff.readInt(Dummy))
- return false;
-
- // Line information starts here and continues up until the last word.
- if (Buff.getCursor() != (EndPos - sizeof(uint32_t))) {
- StringRef F;
- // Read the source file name.
- if (!Buff.readString(F))
- return false;
- if (Filename != F) {
- errs() << "Multiple sources for a single basic block: " << Filename
- << " != " << F << " (in " << Name << ").\n";
- return false;
- }
- // Read lines up to, but not including, the null terminator.
- while (Buff.getCursor() < (EndPos - 2 * sizeof(uint32_t))) {
- uint32_t Line;
- if (!Buff.readInt(Line))
- return false;
- // Line 0 means this instruction was injected by the compiler. Skip it.
- if (!Line)
- continue;
- Block.addLine(Line);
- }
- // Read the null terminator.
- if (!Buff.readInt(Dummy))
- return false;
- }
- // The last word is either a flag or padding, it isn't clear which. Skip
- // over it.
- if (!Buff.readInt(Dummy))
- return false;
- }
- return true;
-}
-
-/// readGCDA - Read a function from the GCDA buffer. Return false if an error
-/// occurs.
-bool GCOVFunction::readGCDA(GCOVBuffer &Buff, GCOV::GCOVVersion Version) {
- uint32_t HeaderLength;
- if (!Buff.readInt(HeaderLength))
- return false; // Function header length
-
- uint64_t EndPos = Buff.getCursor() + HeaderLength * sizeof(uint32_t);
-
- uint32_t GCDAIdent;
- if (!Buff.readInt(GCDAIdent))
- return false;
- if (Ident != GCDAIdent) {
- errs() << "Function identifiers do not match: " << Ident
- << " != " << GCDAIdent << " (in " << Name << ").\n";
- return false;
- }
-
- uint32_t GCDAChecksum;
- if (!Buff.readInt(GCDAChecksum))
- return false;
- if (Checksum != GCDAChecksum) {
- errs() << "Function checksums do not match: " << Checksum
- << " != " << GCDAChecksum << " (in " << Name << ").\n";
- return false;
- }
-
- uint32_t CfgChecksum;
- if (Version != GCOV::V402) {
- if (!Buff.readInt(CfgChecksum))
- return false;
- if (Parent.getChecksum() != CfgChecksum) {
- errs() << "File checksums do not match: " << Parent.getChecksum()
- << " != " << CfgChecksum << " (in " << Name << ").\n";
- return false;
- }
- }
-
- if (Buff.getCursor() < EndPos) {
- StringRef GCDAName;
- if (!Buff.readString(GCDAName))
- return false;
- if (Name != GCDAName) {
- errs() << "Function names do not match: " << Name << " != " << GCDAName
- << ".\n";
- return false;
- }
- }
-
- if (!Buff.readArcTag()) {
- errs() << "Arc tag not found (in " << Name << ").\n";
- return false;
- }
-
- uint32_t Count;
- if (!Buff.readInt(Count))
- return false;
- Count /= 2;
-
- // This for loop adds the counts for each block. A second nested loop is
- // required to combine the edge counts that are contained in the GCDA file.
- for (uint32_t BlockNo = 0; Count > 0; ++BlockNo) {
- // The last block is always reserved for exit block
- if (BlockNo >= Blocks.size()) {
- errs() << "Unexpected number of edges (in " << Name << ").\n";
- return false;
- }
- if (BlockNo == Blocks.size() - 1)
- errs() << "(" << Name << ") has arcs from exit block.\n";
- GCOVBlock &Block = *Blocks[BlockNo];
- for (size_t EdgeNo = 0, End = Block.getNumDstEdges(); EdgeNo < End;
- ++EdgeNo) {
- if (Count == 0) {
- errs() << "Unexpected number of edges (in " << Name << ").\n";
- return false;
- }
- uint64_t ArcCount;
- if (!Buff.readInt64(ArcCount))
- return false;
- Block.addCount(EdgeNo, ArcCount);
- --Count;
- }
- Block.sortDstEdges();
- }
- return true;
-}
-
-/// getEntryCount - Get the number of times the function was called by
-/// retrieving the entry block's count.
-uint64_t GCOVFunction::getEntryCount() const {
- return Blocks.front()->getCount();
-}
-
-/// getExitCount - Get the number of times the function returned by retrieving
-/// the exit block's count.
-uint64_t GCOVFunction::getExitCount() const {
- return Blocks.back()->getCount();
-}
-
-void GCOVFunction::print(raw_ostream &OS) const {
- OS << "===== " << Name << " (" << Ident << ") @ " << Filename << ":"
- << LineNumber << "\n";
- for (const auto &Block : Blocks)
- Block->print(OS);
-}
-
-#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-/// dump - Dump GCOVFunction content to dbgs() for debugging purposes.
-LLVM_DUMP_METHOD void GCOVFunction::dump() const {
- print(dbgs());
-}
-#endif
-
-/// collectLineCounts - Collect line counts. This must be used after
-/// reading .gcno and .gcda files.
-void GCOVFunction::collectLineCounts(FileInfo &FI) {
- // If the line number is zero, this is a function that doesn't actually appear
- // in the source file, so there isn't anything we can do with it.
- if (LineNumber == 0)
- return;
-
- for (const auto &Block : Blocks)
- Block->collectLineCounts(FI);
- FI.addFunctionLine(Filename, LineNumber, this);
-}
-
-//===----------------------------------------------------------------------===//
-// GCOVBlock implementation.
-
-/// ~GCOVBlock - Delete GCOVBlock and its content.
-GCOVBlock::~GCOVBlock() {
- SrcEdges.clear();
- DstEdges.clear();
- Lines.clear();
-}
-
-/// addCount - Add to block counter while storing the edge count. If the
-/// destination has no outgoing edges, also update that block's count too.
-void GCOVBlock::addCount(size_t DstEdgeNo, uint64_t N) {
- assert(DstEdgeNo < DstEdges.size()); // up to caller to ensure EdgeNo is valid
- DstEdges[DstEdgeNo]->Count = N;
- Counter += N;
- if (!DstEdges[DstEdgeNo]->Dst.getNumDstEdges())
- DstEdges[DstEdgeNo]->Dst.Counter += N;
-}
-
-/// sortDstEdges - Sort destination edges by block number, nop if already
-/// sorted. This is required for printing branch info in the correct order.
-void GCOVBlock::sortDstEdges() {
- if (!DstEdgesAreSorted) {
- SortDstEdgesFunctor SortEdges;
- std::stable_sort(DstEdges.begin(), DstEdges.end(), SortEdges);
- }
-}
-
-/// collectLineCounts - Collect line counts. This must be used after
-/// reading .gcno and .gcda files.
-void GCOVBlock::collectLineCounts(FileInfo &FI) {
- for (uint32_t N : Lines)
- FI.addBlockLine(Parent.getFilename(), N, this);
-}
-
-void GCOVBlock::print(raw_ostream &OS) const {
- OS << "Block : " << Number << " Counter : " << Counter << "\n";
- if (!SrcEdges.empty()) {
- OS << "\tSource Edges : ";
- for (const GCOVEdge *Edge : SrcEdges)
- OS << Edge->Src.Number << " (" << Edge->Count << "), ";
- OS << "\n";
- }
- if (!DstEdges.empty()) {
- OS << "\tDestination Edges : ";
- for (const GCOVEdge *Edge : DstEdges)
- OS << Edge->Dst.Number << " (" << Edge->Count << "), ";
- OS << "\n";
- }
- if (!Lines.empty()) {
- OS << "\tLines : ";
- for (uint32_t N : Lines)
- OS << (N) << ",";
- OS << "\n";
- }
-}
-
-#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-/// dump - Dump GCOVBlock content to dbgs() for debugging purposes.
-LLVM_DUMP_METHOD void GCOVBlock::dump() const {
- print(dbgs());
-}
-#endif
-
-//===----------------------------------------------------------------------===//
-// FileInfo implementation.
-
-// Safe integer division, returns 0 if numerator is 0.
-static uint32_t safeDiv(uint64_t Numerator, uint64_t Divisor) {
- if (!Numerator)
- return 0;
- return Numerator / Divisor;
-}
-
-// This custom division function mimics gcov's branch ouputs:
-// - Round to closest whole number
-// - Only output 0% or 100% if it's exactly that value
-static uint32_t branchDiv(uint64_t Numerator, uint64_t Divisor) {
- if (!Numerator)
- return 0;
- if (Numerator == Divisor)
- return 100;
-
- uint8_t Res = (Numerator * 100 + Divisor / 2) / Divisor;
- if (Res == 0)
- return 1;
- if (Res == 100)
- return 99;
- return Res;
-}
-
-namespace {
-struct formatBranchInfo {
- formatBranchInfo(const GCOV::Options &Options, uint64_t Count, uint64_t Total)
- : Options(Options), Count(Count), Total(Total) {}
-
- void print(raw_ostream &OS) const {
- if (!Total)
- OS << "never executed";
- else if (Options.BranchCount)
- OS << "taken " << Count;
- else
- OS << "taken " << branchDiv(Count, Total) << "%";
- }
-
- const GCOV::Options &Options;
- uint64_t Count;
- uint64_t Total;
-};
-
-static raw_ostream &operator<<(raw_ostream &OS, const formatBranchInfo &FBI) {
- FBI.print(OS);
- return OS;
-}
-
-class LineConsumer {
- std::unique_ptr<MemoryBuffer> Buffer;
- StringRef Remaining;
-
-public:
- LineConsumer(StringRef Filename) {
- ErrorOr<std::unique_ptr<MemoryBuffer>> BufferOrErr =
- MemoryBuffer::getFileOrSTDIN(Filename);
- if (std::error_code EC = BufferOrErr.getError()) {
- errs() << Filename << ": " << EC.message() << "\n";
- Remaining = "";
- } else {
- Buffer = std::move(BufferOrErr.get());
- Remaining = Buffer->getBuffer();
- }
- }
- bool empty() { return Remaining.empty(); }
- void printNext(raw_ostream &OS, uint32_t LineNum) {
- StringRef Line;
- if (empty())
- Line = "/*EOF*/";
- else
- std::tie(Line, Remaining) = Remaining.split("\n");
- OS << format("%5u:", LineNum) << Line << "\n";
- }
-};
-} // end anonymous namespace
-
-/// Convert a path to a gcov filename. If PreservePaths is true, this
-/// translates "/" to "#", ".." to "^", and drops ".", to match gcov.
-static std::string mangleCoveragePath(StringRef Filename, bool PreservePaths) {
- if (!PreservePaths)
- return sys::path::filename(Filename).str();
-
- // This behaviour is defined by gcov in terms of text replacements, so it's
- // not likely to do anything useful on filesystems with different textual
- // conventions.
- llvm::SmallString<256> Result("");
- StringRef::iterator I, S, E;
- for (I = S = Filename.begin(), E = Filename.end(); I != E; ++I) {
- if (*I != '/')
- continue;
-
- if (I - S == 1 && *S == '.') {
- // ".", the current directory, is skipped.
- } else if (I - S == 2 && *S == '.' && *(S + 1) == '.') {
- // "..", the parent directory, is replaced with "^".
- Result.append("^#");
- } else {
- if (S < I)
- // Leave other components intact,
- Result.append(S, I);
- // And separate with "#".
- Result.push_back('#');
- }
- S = I + 1;
- }
-
- if (S < I)
- Result.append(S, I);
- return Result.str();
-}
-
-std::string FileInfo::getCoveragePath(StringRef Filename,
- StringRef MainFilename) {
- if (Options.NoOutput)
- // This is probably a bug in gcov, but when -n is specified, paths aren't
- // mangled at all, and the -l and -p options are ignored. Here, we do the
- // same.
- return Filename;
-
- std::string CoveragePath;
- if (Options.LongFileNames && !Filename.equals(MainFilename))
- CoveragePath =
- mangleCoveragePath(MainFilename, Options.PreservePaths) + "##";
- CoveragePath += mangleCoveragePath(Filename, Options.PreservePaths) + ".gcov";
- return CoveragePath;
-}
-
-std::unique_ptr<raw_ostream>
-FileInfo::openCoveragePath(StringRef CoveragePath) {
- if (Options.NoOutput)
- return llvm::make_unique<raw_null_ostream>();
-
- std::error_code EC;
- auto OS = llvm::make_unique<raw_fd_ostream>(CoveragePath, EC,
- sys::fs::F_Text);
- if (EC) {
- errs() << EC.message() << "\n";
- return llvm::make_unique<raw_null_ostream>();
- }
- return std::move(OS);
-}
-
-/// print - Print source files with collected line count information.
-void FileInfo::print(raw_ostream &InfoOS, StringRef MainFilename,
- StringRef GCNOFile, StringRef GCDAFile) {
- SmallVector<StringRef, 4> Filenames;
- for (const auto &LI : LineInfo)
- Filenames.push_back(LI.first());
- std::sort(Filenames.begin(), Filenames.end());
-
- for (StringRef Filename : Filenames) {
- auto AllLines = LineConsumer(Filename);
-
- std::string CoveragePath = getCoveragePath(Filename, MainFilename);
- std::unique_ptr<raw_ostream> CovStream = openCoveragePath(CoveragePath);
- raw_ostream &CovOS = *CovStream;
-
- CovOS << " -: 0:Source:" << Filename << "\n";
- CovOS << " -: 0:Graph:" << GCNOFile << "\n";
- CovOS << " -: 0:Data:" << GCDAFile << "\n";
- CovOS << " -: 0:Runs:" << RunCount << "\n";
- CovOS << " -: 0:Programs:" << ProgramCount << "\n";
-
- const LineData &Line = LineInfo[Filename];
- GCOVCoverage FileCoverage(Filename);
- for (uint32_t LineIndex = 0; LineIndex < Line.LastLine || !AllLines.empty();
- ++LineIndex) {
- if (Options.BranchInfo) {
- FunctionLines::const_iterator FuncsIt = Line.Functions.find(LineIndex);
- if (FuncsIt != Line.Functions.end())
- printFunctionSummary(CovOS, FuncsIt->second);
- }
-
- BlockLines::const_iterator BlocksIt = Line.Blocks.find(LineIndex);
- if (BlocksIt == Line.Blocks.end()) {
- // No basic blocks are on this line. Not an executable line of code.
- CovOS << " -:";
- AllLines.printNext(CovOS, LineIndex + 1);
- } else {
- const BlockVector &Blocks = BlocksIt->second;
-
- // Add up the block counts to form line counts.
- DenseMap<const GCOVFunction *, bool> LineExecs;
- uint64_t LineCount = 0;
- for (const GCOVBlock *Block : Blocks) {
- if (Options.AllBlocks) {
- // Only take the highest block count for that line.
- uint64_t BlockCount = Block->getCount();
- LineCount = LineCount > BlockCount ? LineCount : BlockCount;
- } else {
- // Sum up all of the block counts.
- LineCount += Block->getCount();
- }
-
- if (Options.FuncCoverage) {
- // This is a slightly convoluted way to most accurately gather line
- // statistics for functions. Basically what is happening is that we
- // don't want to count a single line with multiple blocks more than
- // once. However, we also don't simply want to give the total line
- // count to every function that starts on the line. Thus, what is
- // happening here are two things:
- // 1) Ensure that the number of logical lines is only incremented
- // once per function.
- // 2) If there are multiple blocks on the same line, ensure that the
- // number of lines executed is incremented as long as at least
- // one of the blocks are executed.
- const GCOVFunction *Function = &Block->getParent();
- if (FuncCoverages.find(Function) == FuncCoverages.end()) {
- std::pair<const GCOVFunction *, GCOVCoverage> KeyValue(
- Function, GCOVCoverage(Function->getName()));
- FuncCoverages.insert(KeyValue);
- }
- GCOVCoverage &FuncCoverage = FuncCoverages.find(Function)->second;
-
- if (LineExecs.find(Function) == LineExecs.end()) {
- if (Block->getCount()) {
- ++FuncCoverage.LinesExec;
- LineExecs[Function] = true;
- } else {
- LineExecs[Function] = false;
- }
- ++FuncCoverage.LogicalLines;
- } else if (!LineExecs[Function] && Block->getCount()) {
- ++FuncCoverage.LinesExec;
- LineExecs[Function] = true;
- }
- }
- }
-
- if (LineCount == 0)
- CovOS << " #####:";
- else {
- CovOS << format("%9" PRIu64 ":", LineCount);
- ++FileCoverage.LinesExec;
- }
- ++FileCoverage.LogicalLines;
-
- AllLines.printNext(CovOS, LineIndex + 1);
-
- uint32_t BlockNo = 0;
- uint32_t EdgeNo = 0;
- for (const GCOVBlock *Block : Blocks) {
- // Only print block and branch information at the end of the block.
- if (Block->getLastLine() != LineIndex + 1)
- continue;
- if (Options.AllBlocks)
- printBlockInfo(CovOS, *Block, LineIndex, BlockNo);
- if (Options.BranchInfo) {
- size_t NumEdges = Block->getNumDstEdges();
- if (NumEdges > 1)
- printBranchInfo(CovOS, *Block, FileCoverage, EdgeNo);
- else if (Options.UncondBranch && NumEdges == 1)
- printUncondBranchInfo(CovOS, EdgeNo,
- (*Block->dst_begin())->Count);
- }
- }
- }
- }
- FileCoverages.push_back(std::make_pair(CoveragePath, FileCoverage));
- }
-
- // FIXME: There is no way to detect calls given current instrumentation.
- if (Options.FuncCoverage)
- printFuncCoverage(InfoOS);
- printFileCoverage(InfoOS);
-}
-
-/// printFunctionSummary - Print function and block summary.
-void FileInfo::printFunctionSummary(raw_ostream &OS,
- const FunctionVector &Funcs) const {
- for (const GCOVFunction *Func : Funcs) {
- uint64_t EntryCount = Func->getEntryCount();
- uint32_t BlocksExec = 0;
- for (const GCOVBlock &Block : Func->blocks())
- if (Block.getNumDstEdges() && Block.getCount())
- ++BlocksExec;
-
- OS << "function " << Func->getName() << " called " << EntryCount
- << " returned " << safeDiv(Func->getExitCount() * 100, EntryCount)
- << "% blocks executed "
- << safeDiv(BlocksExec * 100, Func->getNumBlocks() - 1) << "%\n";
- }
-}
-
-/// printBlockInfo - Output counts for each block.
-void FileInfo::printBlockInfo(raw_ostream &OS, const GCOVBlock &Block,
- uint32_t LineIndex, uint32_t &BlockNo) const {
- if (Block.getCount() == 0)
- OS << " $$$$$:";
- else
- OS << format("%9" PRIu64 ":", Block.getCount());
- OS << format("%5u-block %2u\n", LineIndex + 1, BlockNo++);
-}
-
-/// printBranchInfo - Print conditional branch probabilities.
-void FileInfo::printBranchInfo(raw_ostream &OS, const GCOVBlock &Block,
- GCOVCoverage &Coverage, uint32_t &EdgeNo) {
- SmallVector<uint64_t, 16> BranchCounts;
- uint64_t TotalCounts = 0;
- for (const GCOVEdge *Edge : Block.dsts()) {
- BranchCounts.push_back(Edge->Count);
- TotalCounts += Edge->Count;
- if (Block.getCount())
- ++Coverage.BranchesExec;
- if (Edge->Count)
- ++Coverage.BranchesTaken;
- ++Coverage.Branches;
-
- if (Options.FuncCoverage) {
- const GCOVFunction *Function = &Block.getParent();
- GCOVCoverage &FuncCoverage = FuncCoverages.find(Function)->second;
- if (Block.getCount())
- ++FuncCoverage.BranchesExec;
- if (Edge->Count)
- ++FuncCoverage.BranchesTaken;
- ++FuncCoverage.Branches;
- }
- }
-
- for (uint64_t N : BranchCounts)
- OS << format("branch %2u ", EdgeNo++)
- << formatBranchInfo(Options, N, TotalCounts) << "\n";
-}
-
-/// printUncondBranchInfo - Print unconditional branch probabilities.
-void FileInfo::printUncondBranchInfo(raw_ostream &OS, uint32_t &EdgeNo,
- uint64_t Count) const {
- OS << format("unconditional %2u ", EdgeNo++)
- << formatBranchInfo(Options, Count, Count) << "\n";
-}
-
-// printCoverage - Print generic coverage info used by both printFuncCoverage
-// and printFileCoverage.
-void FileInfo::printCoverage(raw_ostream &OS,
- const GCOVCoverage &Coverage) const {
- OS << format("Lines executed:%.2f%% of %u\n",
- double(Coverage.LinesExec) * 100 / Coverage.LogicalLines,
- Coverage.LogicalLines);
- if (Options.BranchInfo) {
- if (Coverage.Branches) {
- OS << format("Branches executed:%.2f%% of %u\n",
- double(Coverage.BranchesExec) * 100 / Coverage.Branches,
- Coverage.Branches);
- OS << format("Taken at least once:%.2f%% of %u\n",
- double(Coverage.BranchesTaken) * 100 / Coverage.Branches,
- Coverage.Branches);
- } else {
- OS << "No branches\n";
- }
- OS << "No calls\n"; // to be consistent with gcov
- }
-}
-
-// printFuncCoverage - Print per-function coverage info.
-void FileInfo::printFuncCoverage(raw_ostream &OS) const {
- for (const auto &FC : FuncCoverages) {
- const GCOVCoverage &Coverage = FC.second;
- OS << "Function '" << Coverage.Name << "'\n";
- printCoverage(OS, Coverage);
- OS << "\n";
- }
-}
-
-// printFileCoverage - Print per-file coverage info.
-void FileInfo::printFileCoverage(raw_ostream &OS) const {
- for (const auto &FC : FileCoverages) {
- const std::string &Filename = FC.first;
- const GCOVCoverage &Coverage = FC.second;
- OS << "File '" << Coverage.Name << "'\n";
- printCoverage(OS, Coverage);
- if (!Options.NoOutput)
- OS << Coverage.Name << ":creating '" << Filename << "'\n";
- OS << "\n";
- }
-}
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