| ; Make sure that functions are removed successfully if they are referred to by | |
| ; a global that is dead. Make sure any globals they refer to die as well. | |
| ; RUN: opt < %s -passes=globaldce -S | FileCheck %s | |
| ; CHECK-NOT: foo | |
| ;; Unused, kills %foo | |
| @b = internal global ptr @foo ; <ptr> [#uses=0] | |
| ;; Should die when function %foo is killed | |
| @foo.upgrd.1 = internal global i32 7 ; <ptr> [#uses=1] | |
| ;; dies when %b dies. | |
| define internal i32 @foo() { | |
| %ret = load i32, ptr @foo.upgrd.1 ; <i32> [#uses=1] | |
| ret i32 %ret | |
| } | |