[PATCH] D94155: [X86] Fix tile config register spill issue.

Thu Jan 21 07:27:15 PST 2021

pengfei added a comment.

In D94155#2511964 <https://reviews.llvm.org/D94155#2511964>, @LuoYuanke wrote:

> In D94155#2511894 <https://reviews.llvm.org/D94155#2511894>, @xbolva00 wrote:
>
>> http://llvm-compile-time-tracker.com/compare.php?from=51f4958057d6c246e85c3fbc65353bc0d7c1049b&to=20013d02f3352a88d0838eed349abc9a2b0e9cc0&stat=instructions
>>
>> Compile time regression is too high IMHO.
>>
>> cc @nikic
>
> I would revert the patch first.

I have an optimizated patch D95136 <https://reviews.llvm.org/D95136>, which is based on the method I talked to you. It doesn't use live interval analysis, so I think its also will fix the compile time regression.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94155/new/

https://reviews.llvm.org/D94155