3 files changed, 101 insertions, 0 deletions
diff --git a/tools/llvm-cov/CMakeLists.txt b/tools/llvm-cov/CMakeLists.txt
new file mode 100644
index 0000000..7184b9e
--- /dev/null
+++ b/tools/llvm-cov/CMakeLists.txt
@@ -0,0 +1,5 @@
+set(LLVM_LINK_COMPONENTS instrumentation )
+
+add_llvm_tool(llvm-cov
+  llvm-cov.cpp
+  )
diff --git a/tools/llvm-cov/Makefile b/tools/llvm-cov/Makefile
new file mode 100644
index 0000000..bd9fa2a
--- /dev/null
+++ b/tools/llvm-cov/Makefile
@@ -0,0 +1,18 @@
+##===- tools/llvm-cov/Makefile -----------------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../..
+
+TOOLNAME = llvm-cov
+LINK_COMPONENTS := instrumentation
+
+# This tool has no plugins, optimize startup time.
+TOOL_NO_EXPORTS = 1
+
+include $(LEVEL)/Makefile.common
diff --git a/tools/llvm-cov/llvm-cov.cpp b/tools/llvm-cov/llvm-cov.cpp
new file mode 100644
index 0000000..7b21c5b
--- /dev/null
+++ b/tools/llvm-cov/llvm-cov.cpp
@@ -0,0 +1,78 @@
+//===- tools/llvm-cov/llvm-cov.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.
+//
+//===----------------------------------------------------------------------===//
+//
+// llvm-cov is a command line tools to analyze and report coverage information.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/GCOV.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/MemoryObject.h"
+#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/system_error.h"
+using namespace llvm;
+
+static cl::opt<bool>
+DumpGCOV("dump", cl::init(false), cl::desc("dump gcov file"));
+
+static cl::opt<std::string>
+InputGCNO("gcno", cl::desc("<input gcno file>"), cl::init(""));
+
+static cl::opt<std::string>
+InputGCDA("gcda", cl::desc("<input gcda file>"), cl::init(""));
+
+
+//===----------------------------------------------------------------------===//
+int main(int argc, char **argv) {
+  // Print a stack trace if we signal out.
+  sys::PrintStackTraceOnErrorSignal();
+  PrettyStackTraceProgram X(argc, argv);
+  llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
+
+  cl::ParseCommandLineOptions(argc, argv, "llvm cov\n");
+
+  GCOVFile GF;
+  if (InputGCNO.empty())
+    errs() << " " << argv[0] << ": No gcov input file!\n";
+
+  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.take());
+  if (!GF.read(GCNO_GB)) {
+    errs() << "Invalid .gcno File!\n";
+    return 1;
+  }
+
+  if (!InputGCDA.empty()) {
+    OwningPtr<MemoryBuffer> GCDA_Buff;
+    if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) {
+      errs() << InputGCDA << ": " << ec.message() << "\n";
+      return 1;
+    }
+    GCOVBuffer GCDA_GB(GCDA_Buff.take());
+    if (!GF.read(GCDA_GB)) {
+      errs() << "Invalid .gcda File!\n";
+      return 1;
+    }
+  }
+
+
+  if (DumpGCOV)
+    GF.dump();
+
+  FileInfo FI;
+  GF.collectLineCounts(FI);
+  return 0;
+}