R600/SI: Use S_ADD_U32 and S_SUB_U32 for low half of 64-bit operations

https://bugs.freedesktop.org/show_bug.cgi?id=83416

llvm-svn: 217248
diff --git a/llvm/test/CodeGen/R600/add.ll b/llvm/test/CodeGen/R600/add.ll
index 711a2bc..f62c9d6 100644
--- a/llvm/test/CodeGen/R600/add.ll
+++ b/llvm/test/CodeGen/R600/add.ll
@@ -117,7 +117,7 @@
 }
 
 ; FUNC-LABEL: @add64
-; SI-CHECK: S_ADD_I32
+; SI-CHECK: S_ADD_U32
 ; SI-CHECK: S_ADDC_U32
 define void @add64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
 entry: