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-rw-r--r--include/llvm/Support/GCOV.h147
1 files changed, 79 insertions, 68 deletions
diff --git a/include/llvm/Support/GCOV.h b/include/llvm/Support/GCOV.h
index e378602..c2e34bd 100644
--- a/include/llvm/Support/GCOV.h
+++ b/include/llvm/Support/GCOV.h
@@ -19,6 +19,7 @@
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/iterator.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/raw_ostream.h"
@@ -29,10 +30,7 @@ class GCOVBlock;
class FileInfo;
namespace GCOV {
- enum GCOVVersion {
- V402,
- V404
- };
+enum GCOVVersion { V402, V404 };
} // end GCOV namespace
/// GCOVOptions - A struct for passing gcov options between functions.
@@ -56,7 +54,7 @@ struct GCOVOptions {
class GCOVBuffer {
public:
GCOVBuffer(MemoryBuffer *B) : Buffer(B), Cursor(0) {}
-
+
/// readGCNOFormat - Check GCNO signature is valid at the beginning of buffer.
bool readGCNOFormat() {
StringRef File = Buffer->getBuffer().slice(0, 4);
@@ -81,7 +79,7 @@ public:
/// readGCOVVersion - Read GCOV version.
bool readGCOVVersion(GCOV::GCOVVersion &Version) {
- StringRef VersionStr = Buffer->getBuffer().slice(Cursor, Cursor+4);
+ StringRef VersionStr = Buffer->getBuffer().slice(Cursor, Cursor + 4);
if (VersionStr == "*204") {
Cursor += 4;
Version = GCOV::V402;
@@ -99,10 +97,9 @@ public:
/// readFunctionTag - If cursor points to a function tag then increment the
/// cursor and return true otherwise return false.
bool readFunctionTag() {
- StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4);
- if (Tag.empty() ||
- Tag[0] != '\0' || Tag[1] != '\0' ||
- Tag[2] != '\0' || Tag[3] != '\1') {
+ StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor + 4);
+ if (Tag.empty() || Tag[0] != '\0' || Tag[1] != '\0' || Tag[2] != '\0' ||
+ Tag[3] != '\1') {
return false;
}
Cursor += 4;
@@ -112,10 +109,9 @@ public:
/// readBlockTag - If cursor points to a block tag then increment the
/// cursor and return true otherwise return false.
bool readBlockTag() {
- StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4);
- if (Tag.empty() ||
- Tag[0] != '\0' || Tag[1] != '\0' ||
- Tag[2] != '\x41' || Tag[3] != '\x01') {
+ StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor + 4);
+ if (Tag.empty() || Tag[0] != '\0' || Tag[1] != '\0' || Tag[2] != '\x41' ||
+ Tag[3] != '\x01') {
return false;
}
Cursor += 4;
@@ -125,10 +121,9 @@ public:
/// readEdgeTag - If cursor points to an edge tag then increment the
/// cursor and return true otherwise return false.
bool readEdgeTag() {
- StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4);
- if (Tag.empty() ||
- Tag[0] != '\0' || Tag[1] != '\0' ||
- Tag[2] != '\x43' || Tag[3] != '\x01') {
+ StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor + 4);
+ if (Tag.empty() || Tag[0] != '\0' || Tag[1] != '\0' || Tag[2] != '\x43' ||
+ Tag[3] != '\x01') {
return false;
}
Cursor += 4;
@@ -138,10 +133,9 @@ public:
/// readLineTag - If cursor points to a line tag then increment the
/// cursor and return true otherwise return false.
bool readLineTag() {
- StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4);
- if (Tag.empty() ||
- Tag[0] != '\0' || Tag[1] != '\0' ||
- Tag[2] != '\x45' || Tag[3] != '\x01') {
+ StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor + 4);
+ if (Tag.empty() || Tag[0] != '\0' || Tag[1] != '\0' || Tag[2] != '\x45' ||
+ Tag[3] != '\x01') {
return false;
}
Cursor += 4;
@@ -151,10 +145,9 @@ public:
/// readArcTag - If cursor points to an gcda arc tag then increment the
/// cursor and return true otherwise return false.
bool readArcTag() {
- StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4);
- if (Tag.empty() ||
- Tag[0] != '\0' || Tag[1] != '\0' ||
- Tag[2] != '\xa1' || Tag[3] != '\1') {
+ StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor + 4);
+ if (Tag.empty() || Tag[0] != '\0' || Tag[1] != '\0' || Tag[2] != '\xa1' ||
+ Tag[3] != '\1') {
return false;
}
Cursor += 4;
@@ -164,10 +157,9 @@ public:
/// readObjectTag - If cursor points to an object summary tag then increment
/// the cursor and return true otherwise return false.
bool readObjectTag() {
- StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4);
- if (Tag.empty() ||
- Tag[0] != '\0' || Tag[1] != '\0' ||
- Tag[2] != '\0' || Tag[3] != '\xa1') {
+ StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor + 4);
+ if (Tag.empty() || Tag[0] != '\0' || Tag[1] != '\0' || Tag[2] != '\0' ||
+ Tag[3] != '\xa1') {
return false;
}
Cursor += 4;
@@ -177,10 +169,9 @@ public:
/// readProgramTag - If cursor points to a program summary tag then increment
/// the cursor and return true otherwise return false.
bool readProgramTag() {
- StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4);
- if (Tag.empty() ||
- Tag[0] != '\0' || Tag[1] != '\0' ||
- Tag[2] != '\0' || Tag[3] != '\xa3') {
+ StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor + 4);
+ if (Tag.empty() || Tag[0] != '\0' || Tag[1] != '\0' || Tag[2] != '\0' ||
+ Tag[3] != '\xa3') {
return false;
}
Cursor += 4;
@@ -188,11 +179,11 @@ public:
}
bool readInt(uint32_t &Val) {
- if (Buffer->getBuffer().size() < Cursor+4) {
- errs() << "Unexpected end of memory buffer: " << Cursor+4 << ".\n";
+ if (Buffer->getBuffer().size() < Cursor + 4) {
+ errs() << "Unexpected end of memory buffer: " << Cursor + 4 << ".\n";
return false;
}
- StringRef Str = Buffer->getBuffer().slice(Cursor, Cursor+4);
+ StringRef Str = Buffer->getBuffer().slice(Cursor, Cursor + 4);
Cursor += 4;
Val = *(const uint32_t *)(Str.data());
return true;
@@ -200,7 +191,8 @@ public:
bool readInt64(uint64_t &Val) {
uint32_t Lo, Hi;
- if (!readInt(Lo) || !readInt(Hi)) return false;
+ if (!readInt(Lo) || !readInt(Hi))
+ return false;
Val = ((uint64_t)Hi << 32) | Lo;
return true;
}
@@ -210,19 +202,21 @@ public:
// Keep reading until we find a non-zero length. This emulates gcov's
// behaviour, which appears to do the same.
while (Len == 0)
- if (!readInt(Len)) return false;
+ if (!readInt(Len))
+ return false;
Len *= 4;
- if (Buffer->getBuffer().size() < Cursor+Len) {
- errs() << "Unexpected end of memory buffer: " << Cursor+Len << ".\n";
+ if (Buffer->getBuffer().size() < Cursor + Len) {
+ errs() << "Unexpected end of memory buffer: " << Cursor + Len << ".\n";
return false;
}
- Str = Buffer->getBuffer().slice(Cursor, Cursor+Len).split('\0').first;
+ Str = Buffer->getBuffer().slice(Cursor, Cursor + Len).split('\0').first;
Cursor += Len;
return true;
}
uint64_t getCursor() const { return Cursor; }
- void advanceCursor(uint32_t n) { Cursor += n*4; }
+ void advanceCursor(uint32_t n) { Cursor += n * 4; }
+
private:
MemoryBuffer *Buffer;
uint64_t Cursor;
@@ -232,13 +226,15 @@ private:
/// (.gcno and .gcda).
class GCOVFile {
public:
- GCOVFile() : GCNOInitialized(false), Checksum(0), Functions(), RunCount(0),
- ProgramCount(0) {}
+ GCOVFile()
+ : GCNOInitialized(false), Checksum(0), Functions(), RunCount(0),
+ ProgramCount(0) {}
bool readGCNO(GCOVBuffer &Buffer);
bool readGCDA(GCOVBuffer &Buffer);
uint32_t getChecksum() const { return Checksum; }
void dump() const;
void collectLineCounts(FileInfo &FI);
+
private:
bool GCNOInitialized;
GCOV::GCOVVersion Version;
@@ -260,8 +256,8 @@ struct GCOVEdge {
/// GCOVFunction - Collects function information.
class GCOVFunction {
public:
- typedef SmallVectorImpl<std::unique_ptr<GCOVBlock>>::const_iterator
- BlockIterator;
+ typedef pointee_iterator<SmallVectorImpl<
+ std::unique_ptr<GCOVBlock>>::const_iterator> BlockIterator;
GCOVFunction(GCOVFile &P) : Parent(P), Ident(0), LineNumber(0) {}
bool readGCNO(GCOVBuffer &Buffer, GCOV::GCOVVersion Version);
@@ -274,9 +270,13 @@ public:
BlockIterator block_begin() const { return Blocks.begin(); }
BlockIterator block_end() const { return Blocks.end(); }
+ iterator_range<BlockIterator> blocks() const {
+ return make_range(block_begin(), block_end());
+ }
void dump() const;
void collectLineCounts(FileInfo &FI);
+
private:
GCOVFile &Parent;
uint32_t Ident;
@@ -291,7 +291,7 @@ private:
/// GCOVBlock - Collects block information.
class GCOVBlock {
struct EdgeWeight {
- EdgeWeight(GCOVBlock *D): Dst(D), Count(0) {}
+ EdgeWeight(GCOVBlock *D) : Dst(D), Count(0) {}
GCOVBlock *Dst;
uint64_t Count;
@@ -302,11 +302,13 @@ class GCOVBlock {
return E1->Dst.Number < E2->Dst.Number;
}
};
+
public:
typedef SmallVectorImpl<GCOVEdge *>::const_iterator EdgeIterator;
- GCOVBlock(GCOVFunction &P, uint32_t N) : Parent(P), Number(N), Counter(0),
- DstEdgesAreSorted(true), SrcEdges(), DstEdges(), Lines() {}
+ GCOVBlock(GCOVFunction &P, uint32_t N)
+ : Parent(P), Number(N), Counter(0), DstEdgesAreSorted(true), SrcEdges(),
+ DstEdges(), Lines() {}
~GCOVBlock();
const GCOVFunction &getParent() const { return Parent; }
void addLine(uint32_t N) { Lines.push_back(N); }
@@ -331,11 +333,19 @@ public:
EdgeIterator src_begin() const { return SrcEdges.begin(); }
EdgeIterator src_end() const { return SrcEdges.end(); }
+ iterator_range<EdgeIterator> srcs() const {
+ return make_range(src_begin(), src_end());
+ }
+
EdgeIterator dst_begin() const { return DstEdges.begin(); }
EdgeIterator dst_end() const { return DstEdges.end(); }
+ iterator_range<EdgeIterator> dsts() const {
+ return make_range(dst_begin(), dst_end());
+ }
void dump() const;
void collectLineCounts(FileInfo &FI);
+
private:
GCOVFunction &Parent;
uint32_t Number;
@@ -347,8 +357,10 @@ private:
};
class FileInfo {
- // It is unlikely--but possible--for multiple functions to be on the same line.
- // Therefore this typedef allows LineData.Functions to store multiple functions
+ // It is unlikely--but possible--for multiple functions to be on the same
+ // line.
+ // Therefore this typedef allows LineData.Functions to store multiple
+ // functions
// per instance. This is rare, however, so optimize for the common case.
typedef SmallVector<const GCOVFunction *, 1> FunctionVector;
typedef DenseMap<uint32_t, FunctionVector> FunctionLines;
@@ -363,9 +375,9 @@ class FileInfo {
};
struct GCOVCoverage {
- GCOVCoverage(StringRef Name) :
- Name(Name), LogicalLines(0), LinesExec(0), Branches(0), BranchesExec(0),
- BranchesTaken(0) {}
+ GCOVCoverage(StringRef Name)
+ : Name(Name), LogicalLines(0), LinesExec(0), Branches(0),
+ BranchesExec(0), BranchesTaken(0) {}
StringRef Name;
@@ -376,30 +388,31 @@ class FileInfo {
uint32_t BranchesExec;
uint32_t BranchesTaken;
};
+
public:
- FileInfo(const GCOVOptions &Options) :
- Options(Options), LineInfo(), RunCount(0), ProgramCount(0) {}
+ FileInfo(const GCOVOptions &Options)
+ : Options(Options), LineInfo(), RunCount(0), ProgramCount(0) {}
void addBlockLine(StringRef Filename, uint32_t Line, const GCOVBlock *Block) {
if (Line > LineInfo[Filename].LastLine)
LineInfo[Filename].LastLine = Line;
- LineInfo[Filename].Blocks[Line-1].push_back(Block);
+ LineInfo[Filename].Blocks[Line - 1].push_back(Block);
}
void addFunctionLine(StringRef Filename, uint32_t Line,
const GCOVFunction *Function) {
if (Line > LineInfo[Filename].LastLine)
LineInfo[Filename].LastLine = Line;
- LineInfo[Filename].Functions[Line-1].push_back(Function);
+ LineInfo[Filename].Functions[Line - 1].push_back(Function);
}
void setRunCount(uint32_t Runs) { RunCount = Runs; }
void setProgramCount(uint32_t Programs) { ProgramCount = Programs; }
- void print(StringRef MainFilename, StringRef GCNOFile, StringRef GCDAFile);
+ void print(raw_ostream &OS, StringRef MainFilename, StringRef GCNOFile,
+ StringRef GCDAFile);
private:
std::string getCoveragePath(StringRef Filename, StringRef MainFilename);
std::unique_ptr<raw_ostream> openCoveragePath(StringRef CoveragePath);
- void printFunctionSummary(raw_ostream &OS,
- const FunctionVector &Funcs) const;
+ void printFunctionSummary(raw_ostream &OS, const FunctionVector &Funcs) const;
void printBlockInfo(raw_ostream &OS, const GCOVBlock &Block,
uint32_t LineIndex, uint32_t &BlockNo) const;
void printBranchInfo(raw_ostream &OS, const GCOVBlock &Block,
@@ -407,23 +420,21 @@ private:
void printUncondBranchInfo(raw_ostream &OS, uint32_t &EdgeNo,
uint64_t Count) const;
- void printCoverage(const GCOVCoverage &Coverage) const;
- void printFuncCoverage() const;
- void printFileCoverage() const;
+ void printCoverage(raw_ostream &OS, const GCOVCoverage &Coverage) const;
+ void printFuncCoverage(raw_ostream &OS) const;
+ void printFileCoverage(raw_ostream &OS) const;
const GCOVOptions &Options;
StringMap<LineData> LineInfo;
uint32_t RunCount;
uint32_t ProgramCount;
- typedef SmallVector<std::pair<std::string, GCOVCoverage>, 4>
- FileCoverageList;
+ typedef SmallVector<std::pair<std::string, GCOVCoverage>, 4> FileCoverageList;
typedef MapVector<const GCOVFunction *, GCOVCoverage> FuncCoverageMap;
FileCoverageList FileCoverages;
FuncCoverageMap FuncCoverages;
};
-
}
#endif
generated by cgit v1.1 at 2024-05-17 20:11:23 +0000