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

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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.

llvm-svn: 238897
This commit is contained in:
Justin Bogner 2015-06-03 02:48:09 +00:00
parent 337bf6fd2c
commit 5d981f007f
1 changed files with 8 additions and 0 deletions
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8
tools/llvm-cov/llvm-cov.cpp
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@ -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) {