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 3 4 ; RUN: opt < %s -globaldce -S | FileCheck %s 5 6 ; CHECK-NOT: global 7 8 @t0 = internal global [4 x i8] c"foo\00" ; <[4 x i8]*> [#uses=1] 9 @t1 = internal global [4 x i8] c"bar\00" ; <[4 x i8]*> [#uses=1] 10 @s1 = internal global [1 x i8*] [ i8* getelementptr ([4 x i8], [4 x i8]* @t0, i32 0, i32 0) ] ; <[1 x i8*]*> [#uses=0] 11 @s2 = internal global [1 x i8*] [ i8* getelementptr ([4 x i8], [4 x i8]* @t1, i64 0, i64 0) ] ; <[1 x i8*]*> [#uses=0] 12 @b = internal global i32* @a ; <i32**> [#uses=0] 13 @a = internal global i32 7 ; <i32*> [#uses=1] 14 15
