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2011-07-07-ScheduleDAGCrash.ll @release_32

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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
}