[PATCH] D59615: [AArch64] When creating SISD intrinsic calls widen scalar args into a zero vectors, not undef

Fri Mar 22 14:44:23 PDT 2019

aemerson added a comment.

In D59615#1439153 <https://reviews.llvm.org/D59615#1439153>, @t.p.northover wrote:

> Did you look into a scalar variant of the intrinsic call instead? These instructions have non-vector variants (e.g. `sqadd s0, s0, s0`), and that's actually why the intrinsics exist in the first place. It'd be a shame to always require this extra work.

This looks quite involved as the scalar intrinsics have illegal types etc, and at the moment I don't have a lot of time to spend on this, it was just intended as a fix for the unstable tests: http://lab.llvm.org:8011/builders/clang-cmake-aarch64-lld/builds/6257

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59615/new/

https://reviews.llvm.org/D59615