[llvm-commits] [PATCH] Generate info about the JIT process

[Evan Phoenix]

See below.

On May 12, 2009, at 6:56 PM, Evan Cheng wrote:

>
> On May 11, 2009, at 7:03 PM, Evan Phoenix wrote:
>
>>> Wow another Evan. :-)
>> Doin' my part to raise the quota!
>>> This looks fine but is it necessary? Can we just use
>>> MachineCodeEmitter to report these? Should it be under
>>> ExecutionEngine or CodeGen? Are you expecting to extend it to track
>>> more information?
>> After talking with a number of people in #llvm, this was the solution
>> we came up with.  We couldn't come up with a solution for reporting
>> the info from MachineCodeEmitter that didn't require restructuring
>> things a lot, so this was the idea we came up with.
>
> Ok.
>
>>
>> One upside is that because it's isolated, we have the ability to
>> easily extend it to track more information. One thing I eventually
>> want to report is the Relocation information, so that the machine  
>> code
>> can be manipulated outside of LLVMs control.
>>
>> I consider it to be a phase 1 of http://wiki.llvm.org/Provide_more_control_over_and_access_to_JIT%27s_output
>> , which Jeffrey Yasskin and I have been discussing.
>>
>> So I guess my point is that I'm open to reporting this data a
>> different way, but we haven't yet seen one that is as simple. :)
>
> Ok. My only real complain about the patch is MachineCodeInfo.h should
> be in CodeGen just like MachineCodeEmitter.

Ok, moved! See attached patch.

>
>
> Evan
>
>>
>> Additionally, I'm happy to craft this patch externally, but I think  
>> it
>> would make everyones life easier to get it into the repo, so that
>> others can work on adding things to the API.
>>> Evan
>> Also Evan
>>>
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