#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/GCOV.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/system_error.h"
using namespace llvm;
static cl::opt<std::string> SourceFile(cl::Positional, cl::Required,
cl::desc("SOURCEFILE"));
static cl::opt<bool> AllBlocks("a", cl::init(false),
cl::desc("Display all basic blocks"));
static cl::alias AllBlocksA("all-blocks", cl::aliasopt(AllBlocks));
static cl::opt<bool> BranchProb("b", cl::init(false),
cl::desc("Display branch probabilities"));
static cl::alias BranchProbA("branch-probabilities", cl::aliasopt(BranchProb));
static cl::opt<bool> BranchCount("c", cl::init(false),
cl::desc("Display branch counts instead "
"of percentages (requires -b)"));
static cl::alias BranchCountA("branch-counts", cl::aliasopt(BranchCount));
static cl::opt<bool> FuncSummary("f", cl::init(false),
cl::desc("Show coverage for each function"));
static cl::alias FuncSummaryA("function-summaries", cl::aliasopt(FuncSummary));
static cl::opt<std::string> ObjectDir("o", cl::value_desc("DIR"), cl::init(""),
cl::desc("Search for objects in DIR"));
static cl::alias ObjectDirA("object-directory", cl::aliasopt(ObjectDir));
static cl::opt<bool> PreservePaths("p", cl::init(false),
cl::desc("Preserve path components"));
static cl::alias PreservePathsA("preserve-paths", cl::aliasopt(PreservePaths));
static cl::opt<bool> UncondBranch("u", cl::init(false),
cl::desc("Display unconditional branch info "
"(requires -b)"));
static cl::alias UncondBranchA("unconditional-branches",
cl::aliasopt(UncondBranch));
static cl::OptionCategory DebugCat("Internal and debugging options");
static cl::opt<bool> DumpGCOV("dump", cl::init(false), cl::cat(DebugCat),
cl::desc("Dump the gcov file to stderr"));
static cl::opt<std::string> InputGCNO("gcno", cl::cat(DebugCat), cl::init(""),
cl::desc("Override inferred gcno file"));
static cl::opt<std::string> InputGCDA("gcda", cl::cat(DebugCat), cl::init(""),
cl::desc("Override inferred gcda file"));
int main(int argc, char **argv) {
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y;
cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
SmallString<128> CoverageFileStem(ObjectDir);
if (CoverageFileStem.empty())
CoverageFileStem = sys::path::parent_path(SourceFile);
sys::path::append(CoverageFileStem, sys::path::stem(SourceFile));
if (InputGCNO.empty())
InputGCNO = (CoverageFileStem.str() + ".gcno").str();
if (InputGCDA.empty())
InputGCDA = (CoverageFileStem.str() + ".gcda").str();
GCOVFile GF;
OwningPtr<MemoryBuffer> GCNO_Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) {
errs() << InputGCNO << ": " << ec.message() << "\n";
return 1;
}
GCOVBuffer GCNO_GB(GCNO_Buff.get());
if (!GF.readGCNO(GCNO_GB)) {
errs() << "Invalid .gcno File!\n";
return 1;
}
OwningPtr<MemoryBuffer> GCDA_Buff;
if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) {
if (ec != errc::no_such_file_or_directory) {
errs() << InputGCDA << ": " << ec.message() << "\n";
return 1;
}
InputGCDA = "-";
} else {
GCOVBuffer GCDA_GB(GCDA_Buff.get());
if (!GF.readGCDA(GCDA_GB)) {
errs() << "Invalid .gcda File!\n";
return 1;
}
}
if (DumpGCOV)
GF.dump();
GCOVOptions Options(AllBlocks, BranchProb, BranchCount, FuncSummary,
PreservePaths, UncondBranch);
FileInfo FI(Options);
GF.collectLineCounts(FI);
FI.print(InputGCNO, InputGCDA);
return 0;
}