--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/Feature/attributes.ll	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+@.str = private unnamed_addr constant [14 x i8] c"hello world!\0A\00", align 1
+
+define void @foo() #0 {
+entry:
+  %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str, i32 0, i32 0))
+  ret void
+}
+
+declare i32 @printf(i8*, ...)
+
+attributes #0 = { nounwind ssp uwtable }