Use the llvm-upgrade program to upgrade llvm assembly.

llvm-svn: 32115
diff --git a/llvm/test/Regression/CodeGen/Generic/ret0.ll b/llvm/test/Regression/CodeGen/Generic/ret0.ll
index 439a2f3..4d0d10b 100644
--- a/llvm/test/Regression/CodeGen/Generic/ret0.ll
+++ b/llvm/test/Regression/CodeGen/Generic/ret0.ll
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | llc
+; RUN: llvm-upgrade < %s | llvm-as | llc
 
 int %main() {  
   ret int 0