llvm-cov: Make llvm-cov --version DTRT

In r233132 we started requiring a subcommand in llvm-cov, but this
made `llvm-cov --version` invalid, which is kind of silly. Print
version information in this case, as most people would expect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238897 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Bogner 2015-06-03 02:48:09 +00:00
parent a3a2cab504
commit cbf5311a34

View File

@ -13,6 +13,7 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/raw_ostream.h"
@ -43,6 +44,12 @@ static int helpMain(int argc, const char *argv[]) {
return 0;
}
/// \brief Top level version information.
static int versionMain(int argc, const char *argv[]) {
cl::PrintVersionMessage();
return 0;
}
int main(int argc, const char **argv) {
// If argv[0] is or ends with 'gcov', always be gcov compatible
if (sys::path::stem(argv[0]).endswith_lower("gcov"))
@ -57,6 +64,7 @@ int main(int argc, const char **argv) {
.Case("report", reportMain)
.Case("show", showMain)
.Cases("-h", "-help", "--help", helpMain)
.Cases("-version", "--version", versionMain)
.Default(nullptr);
if (Func) {