2009-09-28 08:27:48 +08:00
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; RUN: opt < %s -lcssa -disable-output -verify-dom-info -verify-loop-info
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2006-11-01 02:56:24 +08:00
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; PR977
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2008-03-25 12:26:08 +08:00
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; END.
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declare i32 @opost_block()
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2006-11-01 02:56:24 +08:00
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2008-03-25 12:26:08 +08:00
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define void @write_chan() {
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entry:
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br i1 false, label %shortcirc_next.0, label %shortcirc_done.0
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2006-11-01 02:56:24 +08:00
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shortcirc_next.0: ; preds = %entry
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br label %shortcirc_done.0
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shortcirc_done.0: ; preds = %shortcirc_next.0, %entry
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br i1 false, label %shortcirc_next.1, label %shortcirc_done.1
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shortcirc_next.1: ; preds = %shortcirc_done.0
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br label %shortcirc_done.1
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shortcirc_done.1: ; preds = %shortcirc_next.1, %shortcirc_done.0
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br i1 false, label %then.0, label %endif.0
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then.0: ; preds = %shortcirc_done.1
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br i1 false, label %then.1, label %endif.1
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then.1: ; preds = %then.0
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br label %return
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after_ret.0: ; No predecessors!
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br label %endif.1
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endif.1: ; preds = %after_ret.0, %then.0
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br label %endif.0
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endif.0: ; preds = %endif.1, %shortcirc_done.1
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br label %loopentry.0
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loopentry.0: ; preds = %endif.12, %endif.0
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br i1 false, label %then.2, label %endif.2
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then.2: ; preds = %loopentry.0
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br label %loopexit.0
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dead_block_after_break.0: ; No predecessors!
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br label %endif.2
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endif.2: ; preds = %dead_block_after_break.0, %loopentry.0
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br i1 false, label %shortcirc_done.2, label %shortcirc_next.2
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shortcirc_next.2: ; preds = %endif.2
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br i1 false, label %shortcirc_next.3, label %shortcirc_done.3
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shortcirc_next.3: ; preds = %shortcirc_next.2
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br label %shortcirc_done.3
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shortcirc_done.3: ; preds = %shortcirc_next.3, %shortcirc_next.2
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br label %shortcirc_done.2
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shortcirc_done.2: ; preds = %shortcirc_done.3, %endif.2
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br i1 false, label %then.3, label %endif.3
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then.3: ; preds = %shortcirc_done.2
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br label %loopexit.0
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dead_block_after_break.1: ; No predecessors!
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br label %endif.3
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endif.3: ; preds = %dead_block_after_break.1, %shortcirc_done.2
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br i1 false, label %shortcirc_next.4, label %shortcirc_done.4
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shortcirc_next.4: ; preds = %endif.3
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br label %shortcirc_done.4
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shortcirc_done.4: ; preds = %shortcirc_next.4, %endif.3
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br i1 false, label %then.4, label %else
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then.4: ; preds = %shortcirc_done.4
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br label %loopentry.1
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loopentry.1: ; preds = %endif.8, %then.4
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br i1 false, label %no_exit, label %loopexit.1
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no_exit: ; preds = %loopentry.1
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%tmp.94 = call i32 @opost_block( ) ; <i32> [#uses=1]
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br i1 false, label %then.5, label %endif.5
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then.5: ; preds = %no_exit
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br i1 false, label %then.6, label %endif.6
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then.6: ; preds = %then.5
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br label %loopexit.1
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dead_block_after_break.2: ; No predecessors!
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br label %endif.6
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endif.6: ; preds = %dead_block_after_break.2, %then.5
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br label %break_out
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dead_block_after_goto.0: ; No predecessors!
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br label %endif.5
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endif.5: ; preds = %dead_block_after_goto.0, %no_exit
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br i1 false, label %then.7, label %endif.7
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then.7: ; preds = %endif.5
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br label %loopexit.1
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dead_block_after_break.3: ; No predecessors!
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br label %endif.7
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endif.7: ; preds = %dead_block_after_break.3, %endif.5
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switch i32 1, label %switchexit [
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i32 4, label %label.2
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i32 2, label %label.1
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i32 1, label %label.0
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]
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label.0: ; preds = %endif.7
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br label %switchexit
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dead_block_after_break.4: ; No predecessors!
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br label %label.1
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label.1: ; preds = %dead_block_after_break.4, %endif.7
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br label %switchexit
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dead_block_after_break.5: ; No predecessors!
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br label %label.2
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label.2: ; preds = %dead_block_after_break.5, %endif.7
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br label %switchexit
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dead_block_after_break.6: ; No predecessors!
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br label %switchexit
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switchexit: ; preds = %dead_block_after_break.6, %label.2, %label.1, %label.0, %endif.7
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br i1 false, label %then.8, label %endif.8
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then.8: ; preds = %switchexit
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br label %loopexit.1
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dead_block_after_break.7: ; No predecessors!
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br label %endif.8
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endif.8: ; preds = %dead_block_after_break.7, %switchexit
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br label %loopentry.1
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loopexit.1: ; preds = %then.8, %then.7, %then.6, %loopentry.1
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br i1 false, label %then.9, label %endif.9
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then.9: ; preds = %loopexit.1
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br label %endif.9
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endif.9: ; preds = %then.9, %loopexit.1
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br label %endif.4
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else: ; preds = %shortcirc_done.4
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br i1 false, label %then.10, label %endif.10
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then.10: ; preds = %else
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br label %break_out
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dead_block_after_goto.1: ; No predecessors!
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br label %endif.10
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endif.10: ; preds = %dead_block_after_goto.1, %else
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br label %endif.4
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endif.4: ; preds = %endif.10, %endif.9
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br i1 false, label %then.11, label %endif.11
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then.11: ; preds = %endif.4
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br label %loopexit.0
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dead_block_after_break.8: ; No predecessors!
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br label %endif.11
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endif.11: ; preds = %dead_block_after_break.8, %endif.4
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br i1 false, label %then.12, label %endif.12
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then.12: ; preds = %endif.11
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br label %loopexit.0
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dead_block_after_break.9: ; No predecessors!
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br label %endif.12
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endif.12: ; preds = %dead_block_after_break.9, %endif.11
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br label %loopentry.0
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loopexit.0: ; preds = %then.12, %then.11, %then.3, %then.2
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br label %break_out
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break_out: ; preds = %loopexit.0, %then.10, %endif.6
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%retval.3 = phi i32 [ 0, %loopexit.0 ], [ %tmp.94, %endif.6 ], [ 0, %then.10 ] ; <i32> [#uses=0]
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br i1 false, label %cond_true, label %cond_false
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cond_true: ; preds = %break_out
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br label %cond_continue
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cond_false: ; preds = %break_out
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br label %cond_continue
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cond_continue: ; preds = %cond_false, %cond_true
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br label %return
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after_ret.1: ; No predecessors!
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br label %return
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return: ; preds = %after_ret.1, %cond_continue, %then.1
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ret void
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}
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