| ; 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 i32 ()* @foo ; <i32 ()**> [#uses=0] |
| |
| ;; Should die when function %foo is killed |
| @foo.upgrd.1 = internal global i32 7 ; <i32*> [#uses=1] |
| |
| ;; dies when %b dies. |
| define internal i32 @foo() { |
| %ret = load i32, i32* @foo.upgrd.1 ; <i32> [#uses=1] |
| ret i32 %ret |
| } |
| |
