[PATCH] D94645: [AMDGPU] Fix llvm.amdgcn.init.exec and frame materialization

Wed Jan 20 21:57:47 PST 2021

critson added a comment.

In D94645#2511686 <https://reviews.llvm.org/D94645#2511686>, @critson wrote:

> - Add text refining definition of llvm.amdgcn.init.exec.from.input.
> - Move code to SILowerControlFlow, this is not really a good place for this, but sufficient for now.

There is still an issue if the SGPR used to hold the input llvm.amdgcn.init.exec.from.input is spilt; however, this is not a new issue.
>From my testing llvm.amdgcn.init.exec.from.input actually only worked in the entry block previous to this change, so we could tighten its description even further.

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94645/new/

https://reviews.llvm.org/D94645