[PATCH] D137066: [AMDGPU] Add amdgcn_s_buffer_load_imm intrinsic

[Piotr Sobczak via Phabricator via llvm-commits]

piotr added a comment.

In D137066#3902068 <https://reviews.llvm.org/D137066#3902068>, @nhaehnle wrote:

> I think the question is really: what IR examples are there that could use scalar loads with immediate offsets but don't because instruction selection fails to extract the constant; and why does extracting the constant fail?

All cases of isel not being able to extract the constant I looked at were due to the nodes scattered over different basic blocks.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137066/new/

https://reviews.llvm.org/D137066