[PATCH] D104790: [x86] fix mm*_undefined* intrinsics to use arbitrary frozen bit pattern

[Craig Topper via Phabricator via cfe-commits]

craig.topper added a comment.

In D104790#2836253 <https://reviews.llvm.org/D104790#2836253>, @aqjune wrote:

> I couldn't find end-to-end tests for checking assembly generation.
> To check whether this is working ok, which tests should I write and how would it look like?

There are tests like test/CodeGen/X86/avx-intrinsics-fast-isel.ll that are supposed to contain the IR the frontend generates. They mostly contain optimized IR, but then run fast-isel in the backend. I don't think all intrinsics are tested this way.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104790/new/

https://reviews.llvm.org/D104790