llvm-6502/test/Transforms/LCSSA/2006-10-31-UnreachableBlock-2.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

146 lines
5.2 KiB
LLVM

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