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c8662b128c
This Properly capitalizes and clarifies the help output from llvm-cov. It also puts the llvm-only / non-gcov-compatible options in their own category. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200418 91177308-0d34-0410-b5e6-96231b3b80d8
100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
//===- llvm-cov.cpp - LLVM coverage tool ----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// llvm-cov is a command line tools to analyze and report coverage information.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/GCOV.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/MemoryObject.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Signals.h"
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#include "llvm/Support/system_error.h"
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using namespace llvm;
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static cl::opt<std::string> SourceFile(cl::Positional, cl::Required,
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cl::desc("SOURCEFILE"));
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static cl::opt<bool> AllBlocks("a", cl::init(false),
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cl::desc("Display all basic blocks"));
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static cl::opt<bool> BranchProb("b", cl::init(false),
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cl::desc("Display branch probabilities"));
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static cl::opt<bool> BranchCount("c", cl::init(false),
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cl::desc("Display branch counts instead "
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"of percentages (requires -b)"));
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static cl::opt<bool> FuncSummary("f", cl::init(false),
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cl::desc("Show coverage for each function"));
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static cl::opt<bool> UncondBranch("u", cl::init(false),
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cl::desc("Display unconditional branch info "
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"(requires -b)"));
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static cl::OptionCategory DebugCat("Internal and debugging options");
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static cl::opt<bool> DumpGCOV("dump", cl::init(false), cl::cat(DebugCat),
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cl::desc("Dump the gcov file to stderr"));
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static cl::opt<std::string> InputGCNO("gcno", cl::cat(DebugCat), cl::init(""),
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cl::desc("Override inferred gcno file"));
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static cl::opt<std::string> InputGCDA("gcda", cl::cat(DebugCat), cl::init(""),
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cl::desc("Override inferred gcda file"));
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//===----------------------------------------------------------------------===//
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int main(int argc, char **argv) {
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// Print a stack trace if we signal out.
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sys::PrintStackTraceOnErrorSignal();
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PrettyStackTraceProgram X(argc, argv);
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llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
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cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n");
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if (InputGCNO.empty())
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InputGCNO = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcno";
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if (InputGCDA.empty())
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InputGCDA = SourceFile.substr(0, SourceFile.rfind(".")) + ".gcda";
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GCOVFile GF;
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OwningPtr<MemoryBuffer> GCNO_Buff;
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if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) {
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errs() << InputGCNO << ": " << ec.message() << "\n";
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return 1;
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}
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GCOVBuffer GCNO_GB(GCNO_Buff.get());
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if (!GF.readGCNO(GCNO_GB)) {
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errs() << "Invalid .gcno File!\n";
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return 1;
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}
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OwningPtr<MemoryBuffer> GCDA_Buff;
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if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) {
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errs() << InputGCDA << ": " << ec.message() << "\n";
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return 1;
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}
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GCOVBuffer GCDA_GB(GCDA_Buff.get());
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if (!GF.readGCDA(GCDA_GB)) {
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errs() << "Invalid .gcda File!\n";
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return 1;
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}
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if (DumpGCOV)
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GF.dump();
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GCOVOptions Options(AllBlocks, BranchProb, BranchCount, FuncSummary,
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UncondBranch);
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FileInfo FI(Options);
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GF.collectLineCounts(FI);
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FI.print(InputGCNO, InputGCDA);
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return 0;
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}
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