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; RUN: llc < %s

; PR33094
; Make sure that a constant extractvalue doesn't cause a crash in
; SelectionDAGBuilder::visitExtractValue.

%A = type {}
%B = type {}
%Tuple = type { i64 }

@A_Inst = global %A zeroinitializer
@B_Inst = global %B zeroinitializer

define i64 @foo() {
  ret i64 extractvalue (%Tuple select (i1 icmp eq
                        (%B* bitcast (%A* @A_Inst to %B*), %B* @B_Inst),
                        %Tuple { i64 33 }, %Tuple { i64 42 }), 0)
}