silence warning when asserts disabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61013 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaInstrInfo.td b/lib/Target/Alpha/AlphaInstrInfo.td
index 531b7fa..28f3d1e 100644
--- a/lib/Target/Alpha/AlphaInstrInfo.td
+++ b/lib/Target/Alpha/AlphaInstrInfo.td
@@ -861,6 +861,7 @@
 //An ugly trick to get the opcode as an imm I can use
 def immBRCond : SDNodeXForm<imm, [{
   switch((uint64_t)N->getZExtValue()) {
+    default: assert(0 && "Unknown branch type");
     case 0:  return getI64Imm(Alpha::BEQ);
     case 1:  return getI64Imm(Alpha::BNE);
     case 2:  return getI64Imm(Alpha::BGE);
@@ -875,7 +876,6 @@
     case 23: return getI64Imm(Alpha::FBGT);
     case 24: return getI64Imm(Alpha::FBLE);
     case 25: return getI64Imm(Alpha::FBLT);
-    default: assert(0 && "Unknown branch type");
   }
 }]>;