Changes in directory llvm/test/Regression/Transforms/Mem2Reg:

2005-11-28-Crash.ll added (r1.1)
---
Log message:

new testcase for pr670: http://llvm.cs.uiuc.edu/PR670 


---
Diffs of the changes:  (+88 -0)

 2005-11-28-Crash.ll |   88 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 88 insertions(+)


Index: llvm/test/Regression/Transforms/Mem2Reg/2005-11-28-Crash.ll
diff -c /dev/null 
llvm/test/Regression/Transforms/Mem2Reg/2005-11-28-Crash.ll:1.1
*** /dev/null   Mon Nov 28 19:07:01 2005
--- llvm/test/Regression/Transforms/Mem2Reg/2005-11-28-Crash.ll Mon Nov 28 
19:06:51 2005
***************
*** 0 ****
--- 1,88 ----
+ ; RUN: llvm-as < %s | opt -mem2reg -disable-output
+ ; PR670
+ 
+ void %printk(int, ...) {
+ entry:
+       %flags = alloca uint            ; <uint*> [#uses=2]
+       br bool false, label %then.0, label %endif.0
+ 
+ then.0:               ; preds = %entry
+       br label %endif.0
+ 
+ endif.0:              ; preds = %then.0, %entry
+       store uint 0, uint* %flags
+       br label %loopentry
+ 
+ loopentry:            ; preds = %endif.3, %endif.0
+       br bool false, label %no_exit, label %loopexit
+ 
+ no_exit:              ; preds = %loopentry
+       br bool false, label %then.1, label %endif.1
+ 
+ then.1:               ; preds = %no_exit
+       br bool 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 bool 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 bool 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 bool 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 bool 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 uint* %flags             ; <uint> [#uses=0]
+       br label %out
+ 
+ dead_block_after_goto:                ; No predecessors!
+       br label %endif.4
+ 
+ endif.4:              ; preds = %dead_block_after_goto, %loopexit
+       br bool 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
+ }



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