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; RUN: llc < %s
; This caused ScheduleDAG to crash in EmitPhysRegCopy when searching
; the uses of a copy to a physical register without ignoring non-data
; dependence, PR10220.
; The ARM backend can't handle i256 math at the moment.
; XFAIL: arm
define void @f(i256* nocapture %a, i256* nocapture %b, i256* nocapture %cc, i256* nocapture %dd) nounwind uwtable noinline ssp {
entry:
%c = load i256* %cc
%d = load i256* %dd
%add = add nsw i256 %c, %d
store i256 %add, i256* %a, align 8
%or = or i256 %c, 1606938044258990275541962092341162602522202993782792835301376
%add6 = add nsw i256 %or, %d
store i256 %add6, i256* %b, align 8
ret void
}
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