llvm/test/Transforms/GlobalDCE/2002-08-17-FunctionDGE.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

18 lines
548 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* @foo.upgrd.1 ; <i32> [#uses=1]
ret i32 %ret
}