-; RUN: opt < %s -globaldce -S | not grep @D
-; RUN: opt < %s -globaldce -S | grep @L | count 3
+; RUN: opt < %s -globaldce -S > %t
+; RUN: FileCheck %s < %t
+; RUN: FileCheck --check-prefix=DEAD %s < %t
@A = global i32 0
+; CHECK: @A = global i32 0
+
@D = alias internal i32* @A
+; DEAD-NOT: @D
+
@L1 = alias i32* @A
+; CHECK: @L1 = alias i32* @A
+
@L2 = alias internal i32* @L1
+; CHECK: @L2 = alias internal i32* @L1
+
@L3 = alias i32* @L2
+; CHECK: @L3 = alias i32* @L2