--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/Feature/globalvars.ll	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | llvm-dis > %t1.ll
+; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
+; RUN: diff %t1.ll %t2.ll
+
+@MyVar = external global i32            ; <i32*> [#uses=1]
+@MyIntList = external global { i32*, i32 }               ; <{ \2*, i32 }*> [#uses=1]
+@0 = external global i32             ; <i32*>:0 [#uses=0]
+@AConst = constant i32 123              ; <i32*> [#uses=0]
+@AString = constant [4 x i8] c"test"            ; <[4 x i8]*> [#uses=0]
+@ZeroInit = global { [100 x i32], [40 x float] } zeroinitializer                ; <{ [100 x i32], [40 x float] }*> [#uses=0]
+
+define i32 @foo(i32 %blah) {
+        store i32 5, i32* @MyVar
+        %idx = getelementptr { i32*, i32 }, { i32*, i32 }* @MyIntList, i64 0, i32 1             ; <i32*> [#uses=1]
+        store i32 12, i32* %idx
+        ret i32 %blah
+}
+
+@1 = hidden dllexport global i32 42
+@2 = dllexport global i32 42