Have llvm-mc --version print the list of registered targets like llc does.

Patch by jey.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152315 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index dc7297412d65d3b572126f5c16245e1556661b4a..ceed2d6dfa8db55596b5d33eff4f26ae563f6abf 100644 (file)
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -512,6 +512,9 @@ int main(int argc, char **argv) {
   llvm::InitializeAllAsmParsers();
   llvm::InitializeAllDisassemblers();
 
+  // Register the target printer for --version.
+  cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
+
   cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
   TripleName = Triple::normalize(TripleName);
   setDwarfDebugFlags(argc, argv);