[LLVMdev] Removing SimpleRewriter (formerly SimpleSpiller)

[Lang Hames]

R.I.P. SimpleRewriter. If anyone needs it resurrected let me know.

This leaves LocalRewriter (the default) and the new TrivialRewriter,
which is for use only with the new in-place spilling framework. This
framework appears (if you squint just right) to be basically
functional now, but it produces awful code. If you want to play with
it you can invoke it with the magical combination of
"-join-liveintervals=false -new-spill-framework -rewriter=trivial".

- Lang.

On Wed, Jun 3, 2009 at 10:46 PM, Chris Lattner <clattner at apple.com> wrote:
> On Jun 3, 2009, at 5:51 PM, Evan Cheng wrote:
>> I vote for execution of SimpleRewriter.
>
> Yeah, go ahead and axe it: Off with its head!
>
> -Chris
>
>>
>>
>> Evan
>>
>> On Jun 3, 2009, at 1:34 PM, Lang Hames wrote:
>>
>>> Hi all,
>>>
>>> Is anyone still using SimpleRewriter (formerly known as
>>> SimpleSpiller)? A quick check with the test suite suggests that it's
>>> badly broken. If it's not being used I'd like to remove it as part of
>>> my tidy-up of the register allocator.
>>>
>>> - Lang.
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