; RUN: llc < %s define void @foo() { br label %cond_true813.i cond_true813.i: ; preds = %0 br i1 false, label %cond_true818.i, label %cond_next1146.i cond_true818.i: ; preds = %cond_true813.i br i1 false, label %recog_memoized.exit52, label %cond_next1146.i recog_memoized.exit52: ; preds = %cond_true818.i switch i32 0, label %bb886.i.preheader [ i32 0, label %bb907.i i32 44, label %bb866.i i32 103, label %bb874.i i32 114, label %bb874.i ] bb857.i: ; preds = %bb886.i, %bb866.i %tmp862.i494.24 = phi i8* [ null, %bb866.i ], [ %tmp862.i494.26, %bb886.i ] ; <i8*> [#uses=4] switch i32 0, label %bb886.i.preheader [ i32 0, label %bb907.i i32 44, label %bb866.i i32 103, label %bb874.i i32 114, label %bb874.i ] bb866.i.loopexit: ; preds = %bb874.i br label %bb866.i bb866.i.loopexit31: ; preds = %cond_true903.i br label %bb866.i bb866.i: ; preds = %bb866.i.loopexit31, %bb866.i.loopexit, %bb857.i, %recog_memoized.exit52 br i1 false, label %bb907.i, label %bb857.i bb874.i.preheader.loopexit: ; preds = %cond_true903.i, %cond_true903.i ret void bb874.i: ; preds = %bb857.i, %bb857.i, %recog_memoized.exit52, %recog_memoized.exit52 %tmp862.i494.25 = phi i8* [ %tmp862.i494.24, %bb857.i ], [ %tmp862.i494.24, %bb857.i ], [ undef, %recog_memoized.exit52 ], [ undef, %recog_memoized.exit52 ] ; <i8*> [#uses=1] switch i32 0, label %bb886.i.preheader.loopexit [ i32 0, label %bb907.i i32 44, label %bb866.i.loopexit i32 103, label %bb874.i.backedge i32 114, label %bb874.i.backedge ] bb874.i.backedge: ; preds = %bb874.i, %bb874.i ret void bb886.i.preheader.loopexit: ; preds = %bb874.i ret void bb886.i.preheader: ; preds = %bb857.i, %recog_memoized.exit52 %tmp862.i494.26 = phi i8* [ undef, %recog_memoized.exit52 ], [ %tmp862.i494.24, %bb857.i ] ; <i8*> [#uses=1] br label %bb886.i bb886.i: ; preds = %cond_true903.i, %bb886.i.preheader br i1 false, label %bb857.i, label %cond_true903.i cond_true903.i: ; preds = %bb886.i switch i32 0, label %bb886.i [ i32 0, label %bb907.i i32 44, label %bb866.i.loopexit31 i32 103, label %bb874.i.preheader.loopexit i32 114, label %bb874.i.preheader.loopexit ] bb907.i: ; preds = %cond_true903.i, %bb874.i, %bb866.i, %bb857.i, %recog_memoized.exit52 %tmp862.i494.0 = phi i8* [ %tmp862.i494.24, %bb857.i ], [ null, %bb866.i ], [ undef, %recog_memoized.exit52 ], [ %tmp862.i494.25, %bb874.i ], [ null, %cond_true903.i ] ; <i8*> [#uses=1] br i1 false, label %cond_next1146.i, label %cond_true910.i cond_true910.i: ; preds = %bb907.i ret void cond_next1146.i: ; preds = %bb907.i, %cond_true818.i, %cond_true813.i %tmp862.i494.1 = phi i8* [ %tmp862.i494.0, %bb907.i ], [ undef, %cond_true818.i ], [ undef, %cond_true813.i ] ; <i8*> [#uses=0] ret void bb2060.i: ; No predecessors! br i1 false, label %cond_true2064.i, label %bb2067.i cond_true2064.i: ; preds = %bb2060.i unreachable bb2067.i: ; preds = %bb2060.i ret void cond_next3473: ; No predecessors! ret void cond_next3521: ; No predecessors! ret void }