llvm-6502/test/Analysis/DSGraph/buglobals.ll

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; 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: llvm-as < %s | opt -ds-opt -globaldce | llvm-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
}