Remove llvm-upgrade and update tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47296 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Generic/ret0.ll b/test/CodeGen/Generic/ret0.ll
index 4d0d10b..489f31c 100644
--- a/test/CodeGen/Generic/ret0.ll
+++ b/test/CodeGen/Generic/ret0.ll
@@ -1,5 +1,5 @@
-; RUN: llvm-upgrade < %s | llvm-as | llc
+; RUN: llvm-as < %s | llc
 
-int %main() {  
-  ret int 0
+define i32 @main() {  
+  ret i32 0
 }