llvm-6502/test/Analysis/DSGraph/buglobals.ll
Chris Lattner 607411bfbb New testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6942 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-28 21:56:22 +00:00

22 lines
490 B
LLVM

; This tests to make sure that G ends up in the globals graph of the BU pass.
; If it is not, then %G will get converted to a 'constant' from a 'global'
;
; RUN: as < %s | opt -ds-opt -globaldce | dis | grep %G
%G = internal global int 0 ; <int*> [#uses=2]
implementation ; Functions:
internal void %foo() {
%tmp.0 = load int* %G ; <int> [#uses=1]
%tmp.1 = add int %tmp.0, 1 ; <int> [#uses=1]
store int %tmp.1, int* %G
ret void
}
int %main() {
call void %foo( )
ret int 0
}