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; Testcase reduced from 197.parser by bugpoint
; RUN: opt < %s -adce
define void @conjunction_prune() {
; <label>:0
br label %bb19
bb19: ; preds = %bb23, %bb22, %0
%reg205 = phi i8* [ null, %bb22 ], [ null, %bb23 ], [ null, %0 ] ; <i8*> [#uses=1]
br i1 false, label %bb21, label %bb22
bb21: ; preds = %bb19
%cast455 = bitcast i8* %reg205 to i8** ; <i8**> [#uses=0]
br label %bb22
bb22: ; preds = %bb21, %bb19
br i1 false, label %bb19, label %bb23
bb23: ; preds = %bb22
br i1 false, label %bb19, label %bb28
bb28: ; preds = %bb23
ret void
}
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