forked from OSchip/llvm-project
18 lines
553 B
LLVM
18 lines
553 B
LLVM
; 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 -globaldce -S | not grep 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
|
|
}
|
|
|