--- /dev/null
+; RUN: llc < %s
+; This used to cause ScheduleDAG to crash during EmitPhysRegCopy when it mistook
+; followed a non-control dependence, PR10220.
+
+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
+}