[PATCH] D101297: [SLP]Allow masked gathers only if allowed by target.

Mon May 3 10:42:01 PDT 2021

ABataev added a comment.

In D101297#2733825 <https://reviews.llvm.org/D101297#2733825>, @xbolva00 wrote:

> http://llvm-compile-time-tracker.com/compare.php?from=27b651ca473ba33999888cc302efb5f856ec7cea&to=fd18547e0721983dcb273670d16341921f831e50&stat=size-text
>
> 2.7% code size regression for lto/Bullet looks quite suspicious.

I think it is a question to the lowering of masked gathers. Generally speaking, this patch should just restore the original code size/performance we had before masked gathers commit (better for old archs, which do not natively support masked gathers but have fast gathers).

Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D101297/new/

https://reviews.llvm.org/D101297