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llvm-mirror/test/Transforms/Mem2Reg/2005-11-28-Crash.ll
Dan Gohman 205b641954 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.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

63 lines
2.0 KiB
LLVM

; RUN: opt < %s -mem2reg -disable-output
; PR670
define void @printk(i32, ...) {
entry:
%flags = alloca i32 ; <i32*> [#uses=2]
br i1 false, label %then.0, label %endif.0
then.0: ; preds = %entry
br label %endif.0
endif.0: ; preds = %then.0, %entry
store i32 0, i32* %flags
br label %loopentry
loopentry: ; preds = %endif.3, %endif.0
br i1 false, label %no_exit, label %loopexit
no_exit: ; preds = %loopentry
br i1 false, label %then.1, label %endif.1
then.1: ; preds = %no_exit
br i1 false, label %shortcirc_done.0, label %shortcirc_next.0
shortcirc_next.0: ; preds = %then.1
br label %shortcirc_done.0
shortcirc_done.0: ; preds = %shortcirc_next.0, %then.1
br i1 false, label %shortcirc_done.1, label %shortcirc_next.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 %shortcirc_done.2, label %shortcirc_next.2
shortcirc_next.2: ; preds = %shortcirc_done.1
br label %shortcirc_done.2
shortcirc_done.2: ; preds = %shortcirc_next.2, %shortcirc_done.1
br i1 false, label %then.2, label %endif.2
then.2: ; preds = %shortcirc_done.2
br label %endif.2
endif.2: ; preds = %then.2, %shortcirc_done.2
br label %endif.1
endif.1: ; preds = %endif.2, %no_exit
br i1 false, label %then.3, label %endif.3
then.3: ; preds = %endif.1
br label %endif.3
endif.3: ; preds = %then.3, %endif.1
br label %loopentry
loopexit: ; preds = %loopentry
br label %endif.4
then.4: ; No predecessors!
%tmp.61 = load i32* %flags ; <i32> [#uses=0]
br label %out
dead_block_after_goto: ; No predecessors!
br label %endif.4
endif.4: ; preds = %dead_block_after_goto, %loopexit
br i1 false, label %then.5, label %else
then.5: ; preds = %endif.4
br label %endif.5
else: ; preds = %endif.4
br label %endif.5
endif.5: ; preds = %else, %then.5
br label %out
out: ; preds = %endif.5, %then.4
br label %return
after_ret: ; No predecessors!
br label %return
return: ; preds = %after_ret, %out
ret void
}