diff --git a/llvm/test/CodeGen/Mips/check-noat.ll b/llvm/test/CodeGen/Mips/check-noat.ll
new file mode 100644
index 0000000..bfeff67
--- /dev/null
+++ b/llvm/test/CodeGen/Mips/check-noat.ll
@@ -0,0 +1,11 @@
+; RUN: llc -march=mipsel < %s | FileCheck %s 
+
+define void @f() nounwind readnone {
+entry:
+; CHECK: f:
+; CHECK: .set  noat
+; CHECK: .set  at
+
+  ret void
+}
+