llvm/test/Linker/Inputs/only-needed-used.ll - llvm-project - Git at Google

 @used1 = global i8 4
 @used2 = global i32 123

 @llvm.used = appending global [2 x i8*] [
    i8* @used1,
    i8* bitcast (i32* @used2 to i8*)
 ], section "llvm.metadata"
	@used1 = global i8 4
	@used2 = global i32 123

	@llvm.used = appending global [2 x i8*] [
	i8* @used1,
	i8* bitcast (i32* @used2 to i8*)
	], section "llvm.metadata"