Missed optimization in PRE?

[Bin.Cheng]

On Thu, Mar 29, 2012 at 6:07 PM, Richard Guenther
<richard.guenther@gmail.com> wrote:
> On Thu, Mar 29, 2012 at 12:02 PM, Bin.Cheng <amker.cheng@gmail.com> wrote:
>> Hi,
>> Following is the tree dump of 094t.pre for a test program.
>> Question is loads of D.5375_12/D.5375_14 are redundant on path <bb2,
>> bb7, bb5, bb6>,
>> but why not lowered into basic block 3, where it is used.
>>
>> BTW, seems no tree pass handles this case currently.
>
> tree-ssa-sink.c should do this.
>
It does not work for me, I will double check and update soon.

-- 
Best Regards.