[llvm] r333293 - [Tablegen][SubtargetEmitter] Add a default case to the auto-generated switch in MCSubtargetInfo::resolveVariantSchedClass(). NFC

[Andrea Di Biagio via llvm-commits]

Author: adibiagio
Date: Fri May 25 11:25:54 2018
New Revision: 333293

URL: http://llvm.org/viewvc/llvm-project?rev=333293&view=rev
Log:
[Tablegen][SubtargetEmitter] Add a default case to the auto-generated switch in MCSubtargetInfo::resolveVariantSchedClass(). NFC

Modified:
    llvm/trunk/utils/TableGen/SubtargetEmitter.cpp

Modified: llvm/trunk/utils/TableGen/SubtargetEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/SubtargetEmitter.cpp?rev=333293&r1=333292&r2=333293&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/SubtargetEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/SubtargetEmitter.cpp Fri May 25 11:25:54 2018
@@ -1556,7 +1556,9 @@ void SubtargetEmitter::emitSchedModelHel
         OS << "    return " << SC.Index << ";\n";
       OS << "    break;\n";
     }
-    OS << "  };\n";
+    // Add a default case to avoid generating a potentially empty switch.
+    OS << "  default : break;\n"
+       << "  };\n";
   }
 
   if (OnlyExpandMCInstPredicates) {