Dump before flag

Xinliang David Li davidxl@google.com
Tue Jun 7 17:07:00 GMT 2011


On Tue, Jun 7, 2011 at 10:01 AM, Diego Novillo <dnovillo@google.com> wrote:
> On Tue, Jun 7, 2011 at 09:51, Xinliang David Li <davidxl@google.com> wrote:
>> Any suggestions on the dump position specification string, before and
>> after is not enough. How about
>>
>> start, before, after, and finish?
>>
>> I.e.
>>
>> -fdump-tree-pre-start --> dump IR before TODO_start of PRE pass
>> -fdump-tree-pre-before --> dump IR just before PRE after its TODO start finishes
>
> What would be the difference between these two?  The TODO_start
> actions don't affect the IL, in general.

But by design, it can right?

David

>
>> -fdump-tree-pre-after --> dump IR just after PRE
>> -fdump-tree-pre-finish --> dump it after TODO_finish of PRE?
>
> This would be to catch changes like cfg cleanup and SSA update
> actions, right?  Sure.
>
> I don't mind too much about the naming.  Anything that makes sense is
> good with me.
>
>
> Diego.
>



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