[PATCH] D62739: AMDGPU: Always emit amdgpu-flat-work-group-size

[Matt Arsenault via Phabricator via cfe-commits]

arsenm added a comment.

In D62739#1536428 <https://reviews.llvm.org/D62739#1536428>, @b-sumner wrote:

> We need to communicate with anyone generating IR to ensure this is being generated before we change the default.  clang is only one of those generators.  This change will also need to be documented in the usage document.


The planned change is to make the backend more conservative, so it shouldn't break other frontends


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62739/new/

https://reviews.llvm.org/D62739