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| ; RUN: opt < %s -lcssa -disable-output
; RUN: opt < %s -passes=lcssa -disable-output
; PR977
; END.
define void @process_backlog() {
entry:
br label %loopentry.preheader
loopentry.preheader: ; preds = %dead_block_after_break, %entry
%work.0.ph = phi i32 [ %inc, %dead_block_after_break ], [ 0, %entry ] ; <i32> [#uses=0]
br label %loopentry
loopentry: ; preds = %endif.1, %loopentry.preheader
br i1 false, label %then.i, label %loopentry.__skb_dequeue67.exit_crit_edge
loopentry.__skb_dequeue67.exit_crit_edge: ; preds = %loopentry
br label %__skb_dequeue67.exit
then.i: ; preds = %loopentry
br label %__skb_dequeue67.exit
__skb_dequeue67.exit: ; preds = %then.i, %loopentry.__skb_dequeue67.exit_crit_edge
br i1 false, label %then.0, label %__skb_dequeue67.exit.endif.0_crit_edge
__skb_dequeue67.exit.endif.0_crit_edge: ; preds = %__skb_dequeue67.exit
br label %endif.0
then.0: ; preds = %__skb_dequeue67.exit
br label %job_done
dead_block_after_goto: ; No predecessors!
unreachable
endif.0: ; preds = %__skb_dequeue67.exit.endif.0_crit_edge
br i1 false, label %then.0.i, label %endif.0.endif.0.i_crit_edge
endif.0.endif.0.i_crit_edge: ; preds = %endif.0
br label %endif.0.i
then.0.i: ; preds = %endif.0
br label %endif.0.i
endif.0.i: ; preds = %then.0.i, %endif.0.endif.0.i_crit_edge
br i1 false, label %then.i.i, label %endif.0.i.skb_bond.exit.i_crit_edge
endif.0.i.skb_bond.exit.i_crit_edge: ; preds = %endif.0.i
br label %skb_bond.exit.i
then.i.i: ; preds = %endif.0.i
br label %skb_bond.exit.i
skb_bond.exit.i: ; preds = %then.i.i, %endif.0.i.skb_bond.exit.i_crit_edge
br label %loopentry.0.i
loopentry.0.i: ; preds = %loopentry.0.i.backedge, %skb_bond.exit.i
br i1 false, label %loopentry.0.i.no_exit.0.i_crit_edge, label %loopentry.0.i.loopexit.0.i_crit_edge
loopentry.0.i.loopexit.0.i_crit_edge: ; preds = %loopentry.0.i
br label %loopexit.0.i
loopentry.0.i.no_exit.0.i_crit_edge: ; preds = %loopentry.0.i
br label %no_exit.0.i
no_exit.0.i: ; preds = %then.3.i.no_exit.0.i_crit_edge, %loopentry.0.i.no_exit.0.i_crit_edge
br i1 false, label %no_exit.0.i.shortcirc_done.0.i_crit_edge, label %shortcirc_next.0.i
no_exit.0.i.shortcirc_done.0.i_crit_edge: ; preds = %no_exit.0.i
br label %shortcirc_done.0.i
shortcirc_next.0.i: ; preds = %no_exit.0.i
br label %shortcirc_done.0.i
shortcirc_done.0.i: ; preds = %shortcirc_next.0.i, %no_exit.0.i.shortcirc_done.0.i_crit_edge
br i1 false, label %then.1.i, label %endif.1.i
then.1.i: ; preds = %shortcirc_done.0.i
br i1 false, label %then.2.i, label %then.1.i.endif.2.i_crit_edge
then.1.i.endif.2.i_crit_edge: ; preds = %then.1.i
br label %endif.2.i
then.2.i: ; preds = %then.1.i
br i1 false, label %then.3.i, label %else.0.i
then.3.i: ; preds = %then.2.i
br i1 false, label %then.3.i.no_exit.0.i_crit_edge, label %then.3.i.loopexit.0.i_crit_edge
then.3.i.loopexit.0.i_crit_edge: ; preds = %then.3.i
br label %loopexit.0.i
then.3.i.no_exit.0.i_crit_edge: ; preds = %then.3.i
br label %no_exit.0.i
else.0.i: ; preds = %then.2.i
br label %endif.2.i
endif.3.i: ; No predecessors!
unreachable
endif.2.i: ; preds = %else.0.i, %then.1.i.endif.2.i_crit_edge
br label %loopentry.0.i.backedge
endif.1.i: ; preds = %shortcirc_done.0.i
br label %loopentry.0.i.backedge
loopentry.0.i.backedge: ; preds = %endif.1.i, %endif.2.i
br label %loopentry.0.i
loopexit.0.i: ; preds = %then.3.i.loopexit.0.i_crit_edge, %loopentry.0.i.loopexit.0.i_crit_edge
br label %loopentry.1.i
loopentry.1.i: ; preds = %loopentry.1.i.backedge, %loopexit.0.i
br i1 false, label %loopentry.1.i.no_exit.1.i_crit_edge, label %loopentry.1.i.loopexit.1.i_crit_edge
loopentry.1.i.loopexit.1.i_crit_edge: ; preds = %loopentry.1.i
br label %loopexit.1.i
loopentry.1.i.no_exit.1.i_crit_edge: ; preds = %loopentry.1.i
br label %no_exit.1.i
no_exit.1.i: ; preds = %then.6.i.no_exit.1.i_crit_edge, %loopentry.1.i.no_exit.1.i_crit_edge
br i1 false, label %shortcirc_next.1.i, label %no_exit.1.i.shortcirc_done.1.i_crit_edge
no_exit.1.i.shortcirc_done.1.i_crit_edge: ; preds = %no_exit.1.i
br label %shortcirc_done.1.i
shortcirc_next.1.i: ; preds = %no_exit.1.i
br i1 false, label %shortcirc_next.1.i.shortcirc_done.2.i_crit_edge, label %shortcirc_next.2.i
shortcirc_next.1.i.shortcirc_done.2.i_crit_edge: ; preds = %shortcirc_next.1.i
br label %shortcirc_done.2.i
shortcirc_next.2.i: ; preds = %shortcirc_next.1.i
br label %shortcirc_done.2.i
shortcirc_done.2.i: ; preds = %shortcirc_next.2.i, %shortcirc_next.1.i.shortcirc_done.2.i_crit_edge
br label %shortcirc_done.1.i
shortcirc_done.1.i: ; preds = %shortcirc_done.2.i, %no_exit.1.i.shortcirc_done.1.i_crit_edge
br i1 false, label %then.4.i, label %endif.4.i
then.4.i: ; preds = %shortcirc_done.1.i
br i1 false, label %then.5.i, label %then.4.i.endif.5.i_crit_edge
then.4.i.endif.5.i_crit_edge: ; preds = %then.4.i
br label %endif.5.i
then.5.i: ; preds = %then.4.i
br i1 false, label %then.6.i, label %else.1.i
then.6.i: ; preds = %then.5.i
br i1 false, label %then.6.i.no_exit.1.i_crit_edge, label %then.6.i.loopexit.1.i_crit_edge
then.6.i.loopexit.1.i_crit_edge: ; preds = %then.6.i
br label %loopexit.1.i
then.6.i.no_exit.1.i_crit_edge: ; preds = %then.6.i
br label %no_exit.1.i
else.1.i: ; preds = %then.5.i
br label %endif.5.i
endif.6.i: ; No predecessors!
unreachable
endif.5.i: ; preds = %else.1.i, %then.4.i.endif.5.i_crit_edge
br label %loopentry.1.i.backedge
endif.4.i: ; preds = %shortcirc_done.1.i
br label %loopentry.1.i.backedge
loopentry.1.i.backedge: ; preds = %endif.4.i, %endif.5.i
br label %loopentry.1.i
loopexit.1.i: ; preds = %then.6.i.loopexit.1.i_crit_edge, %loopentry.1.i.loopexit.1.i_crit_edge
br i1 false, label %then.7.i, label %else.2.i
then.7.i: ; preds = %loopexit.1.i
br i1 false, label %then.8.i, label %else.3.i
then.8.i: ; preds = %then.7.i
br label %netif_receive_skb.exit
else.3.i: ; preds = %then.7.i
br label %netif_receive_skb.exit
endif.8.i: ; No predecessors!
unreachable
else.2.i: ; preds = %loopexit.1.i
br i1 false, label %else.2.i.shortcirc_done.i.i_crit_edge, label %shortcirc_next.i.i
else.2.i.shortcirc_done.i.i_crit_edge: ; preds = %else.2.i
br label %shortcirc_done.i.i
shortcirc_next.i.i: ; preds = %else.2.i
br label %shortcirc_done.i.i
shortcirc_done.i.i: ; preds = %shortcirc_next.i.i, %else.2.i.shortcirc_done.i.i_crit_edge
br i1 false, label %then.i1.i, label %shortcirc_done.i.i.kfree_skb65.exit.i_crit_edge
shortcirc_done.i.i.kfree_skb65.exit.i_crit_edge: ; preds = %shortcirc_done.i.i
br label %kfree_skb65.exit.i
then.i1.i: ; preds = %shortcirc_done.i.i
br label %kfree_skb65.exit.i
kfree_skb65.exit.i: ; preds = %then.i1.i, %shortcirc_done.i.i.kfree_skb65.exit.i_crit_edge
br label %netif_receive_skb.exit
netif_receive_skb.exit: ; preds = %kfree_skb65.exit.i, %else.3.i, %then.8.i
br i1 false, label %then.i1, label %netif_receive_skb.exit.dev_put69.exit_crit_edge
netif_receive_skb.exit.dev_put69.exit_crit_edge: ; preds = %netif_receive_skb.exit
br label %dev_put69.exit
then.i1: ; preds = %netif_receive_skb.exit
br label %dev_put69.exit
dev_put69.exit: ; preds = %then.i1, %netif_receive_skb.exit.dev_put69.exit_crit_edge
%inc = add i32 0, 1 ; <i32> [#uses=1]
br i1 false, label %dev_put69.exit.shortcirc_done_crit_edge, label %shortcirc_next
dev_put69.exit.shortcirc_done_crit_edge: ; preds = %dev_put69.exit
br label %shortcirc_done
shortcirc_next: ; preds = %dev_put69.exit
br label %shortcirc_done
shortcirc_done: ; preds = %shortcirc_next, %dev_put69.exit.shortcirc_done_crit_edge
br i1 false, label %then.1, label %endif.1
then.1: ; preds = %shortcirc_done
ret void
dead_block_after_break: ; No predecessors!
br label %loopentry.preheader
endif.1: ; preds = %shortcirc_done
br label %loopentry
loopexit: ; No predecessors!
unreachable
after_ret.0: ; No predecessors!
br label %job_done
job_done: ; preds = %after_ret.0, %then.0
br label %loopentry.i
loopentry.i: ; preds = %no_exit.i, %job_done
br i1 false, label %no_exit.i, label %clear_bit62.exit
no_exit.i: ; preds = %loopentry.i
br label %loopentry.i
clear_bit62.exit: ; preds = %loopentry.i
br i1 false, label %then.2, label %endif.2
then.2: ; preds = %clear_bit62.exit
ret void
endif.2: ; preds = %clear_bit62.exit
ret void
after_ret.1: ; No predecessors!
ret void
return: ; No predecessors!
unreachable
}
|