[PATCH] D108902: [PowerPC] Enable track-subreg-liveness by default

[Qiu Chaofan via Phabricator via llvm-commits]

qiucf added a comment.

In D108902#3993706 <https://reviews.llvm.org/D108902#3993706>, @shchenz wrote:

> Thanks for doing this. Could you please show some data about the performance and compile time? Hope they are both good.

I have not observed build/run performance changes through test suite. Since ISA 3.1 functionalities enhanced by this are not available through optimization, this is expected.


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  https://reviews.llvm.org/D108902/new/

https://reviews.llvm.org/D108902