1 ; Testcase reduced from 197.parser by bugpoint 2 ; RUN: opt < %s -adce 3 4 define void @conjunction_prune() { 5 ; <label>:0 6 br label %bb19 7 8 bb19: ; preds = %bb23, %bb22, %0 9 %reg205 = phi i8* [ null, %bb22 ], [ null, %bb23 ], [ null, %0 ] ; <i8*> [#uses=1] 10 br i1 false, label %bb21, label %bb22 11 12 bb21: ; preds = %bb19 13 %cast455 = bitcast i8* %reg205 to i8** ; <i8**> [#uses=0] 14 br label %bb22 15 16 bb22: ; preds = %bb21, %bb19 17 br i1 false, label %bb19, label %bb23 18 19 bb23: ; preds = %bb22 20 br i1 false, label %bb19, label %bb28 21 22 bb28: ; preds = %bb23 23 ret void 24 } 25 26