[llvm-commits] [llvm] r40521 - in /llvm/trunk: include/llvm/CodeGen/Passes.h lib/CodeGen/LLVMTargetMachine.cpp lib/CodeGen/LowerSubregs.cpp
Christopher Lamb
christopher.lamb at gmail.com
Thu Jul 26 23:55:52 PDT 2007
On Jul 26, 2007, at 10:47 PM, Evan Cheng wrote:
>
>
> Sent from my iPhone
>
> On Jul 26, 2007, at 8:41 PM, Christopher Lamb
> <christopher.lamb at gmail.com> wrote:
>
>>
>> On Jul 26, 2007, at 6:30 PM, Evan Cheng wrote:
>>
>>> Should this be right after register allocation? Any reason to
>>> keep the pseudo instructions around after allocation?
>>
>> It should probably be after prolog/epilog insertion. As for the
>> post RA scheduler and branch folding, I'd think it'd be OK to put
>> it before them. Thoughts?
>
> Not sure. Why do you think it's necessary for it to be after PEI?
Now that I think on it, I don't think moving it before PEI would
preclude any future operations.
> It should definitely be run before post-ra scheduler,IMHO.
Sure. Easy change.
--
Chris
>
> Evan
>
>>
>>> Evan
>>>
>>> On Jul 26, 2007, at 1:18 AM, Christopher Lamb wrote:
>>>
>>>> if (addPreEmitPass(PM, Fast) && PrintMachineCode)
>>>> PM.add(createMachineFunctionPrinterPass(cerr));
>>>> +
>>>> + PM.add(createLowerSubregsPass());
>>>
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>>
>> --
>> Christopher Lamb
>>
>>
>>
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--
Christopher Lamb
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