[llvm-commits] CVS: llvm/test/Regression/Transforms/LCSSA/2006-10-31-UnreachableBlock.ll

Chris Lattner sabre at nondot.org
Tue Oct 31 09:51:50 PST 2006



Changes in directory llvm/test/Regression/Transforms/LCSSA:

2006-10-31-UnreachableBlock.ll added (r1.1)
---
Log message:

testcase for PR977: http://llvm.org/PR977 


---
Diffs of the changes:  (+270 -0)

 2006-10-31-UnreachableBlock.ll |  270 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 270 insertions(+)


Index: llvm/test/Regression/Transforms/LCSSA/2006-10-31-UnreachableBlock.ll
diff -c /dev/null llvm/test/Regression/Transforms/LCSSA/2006-10-31-UnreachableBlock.ll:1.1
*** /dev/null	Tue Oct 31 11:51:46 2006
--- llvm/test/Regression/Transforms/LCSSA/2006-10-31-UnreachableBlock.ll	Tue Oct 31 11:51:36 2006
***************
*** 0 ****
--- 1,270 ----
+ ; RUN: llvm-as < %s | opt -lcssa -disable-output
+ ; PR977
+ 
+ void %process_backlog() {
+ entry:
+ 	br label %loopentry.preheader
+ 
+ loopentry.preheader:		; preds = %dead_block_after_break, %entry
+ 	%work.0.ph = phi int [ %inc, %dead_block_after_break ], [ 0, %entry ]		; <int> [#uses=0]
+ 	br label %loopentry
+ 
+ loopentry:		; preds = %endif.1, %loopentry.preheader
+ 	br bool 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 bool 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 bool 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 bool 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 bool 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 bool 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 bool false, label %then.1.i, label %endif.1.i
+ 
+ then.1.i:		; preds = %shortcirc_done.0.i
+ 	br bool 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 bool false, label %then.3.i, label %else.0.i
+ 
+ then.3.i:		; preds = %then.2.i
+ 	br bool 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 bool 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 bool 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 bool 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 bool false, label %then.4.i, label %endif.4.i
+ 
+ then.4.i:		; preds = %shortcirc_done.1.i
+ 	br bool 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 bool false, label %then.6.i, label %else.1.i
+ 
+ then.6.i:		; preds = %then.5.i
+ 	br bool 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 bool false, label %then.7.i, label %else.2.i
+ 
+ then.7.i:		; preds = %loopexit.1.i
+ 	br bool 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 bool 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 bool 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 bool 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 int 0, 1		; <int> [#uses=1]
+ 	br bool 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 bool 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 bool 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 bool 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
+ }






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