[PATCH] D45563: [X86][AArch64][NFC] Add tests for masked merge unfolding

Tue Apr 17 09:30:06 PDT 2018

lebedev.ri added a comment.

In https://reviews.llvm.org/D45563#1069916, @spatel wrote:

> Don't know what changes are planned here, but this is on the right track. We want to have coverage of the possible canonical IR variations for various targets.

I'm working on that right now, got it working, maybe will update this + post the dagcombiner part (that is where i should have put it, right?) in a few hours.

> PowerPC with Altivec has a vsel instruction if you want even more coverage, but I don't think the PPC backend has the isel pattern-matching logic to produce that currently (cc @nemanjai).

Downside: i dropped vector tests for now, only only handle scalars for now.

Repository:
  rL LLVM

https://reviews.llvm.org/D45563