1 ; This testcase tests that a worklist is being used, and that globals can be
2 ; removed if they are the subject of a constexpr and ConstantPointerRef
4 ; RUN: opt < %s -passes=globaldce -S | FileCheck %s
8 @t0 = internal global [4 x i8] c"foo\00" ; <ptr> [#uses=1]
9 @t1 = internal global [4 x i8] c"bar\00" ; <ptr> [#uses=1]
10 @s1 = internal global [1 x ptr] [ ptr @t0 ] ; <ptr> [#uses=0]
11 @s2 = internal global [1 x ptr] [ ptr @t1 ] ; <ptr> [#uses=0]
12 @b = internal global ptr @a ; <ptr> [#uses=0]
13 @a = internal global i32 7 ; <ptr> [#uses=1]