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1; RUN: opt < %s -passes=simple-loop-unswitch -disable-output2 3; PR382834; PR387375define void @f1(i1 %arg) {6for.cond1thread-pre-split.lr.ph.lr.ph:7 %tobool4 = icmp eq i16 undef, 08 br label %for.cond1thread-pre-split9 10for.cond1thread-pre-split: ; preds = %if.end, %for.cond1thread-pre-split.lr.ph.lr.ph11 %tobool3 = icmp eq i16 undef, 012 br label %for.body213 14for.body2: ; preds = %if.end6, %for.cond1thread-pre-split15 br i1 %tobool3, label %if.end, label %for.end16 17if.end: ; preds = %for.body218 br i1 %tobool4, label %if.end6, label %for.cond1thread-pre-split19 20if.end6: ; preds = %if.end21 br i1 %arg, label %for.body2, label %for.end22 23for.end: ; preds = %if.end6, %for.body224 ret void25}26