[PATCH] D158463: [AMDGPU] Add IR-level pass to rewrite away address space 7

[Krzysztof Drewniak via Phabricator via llvm-commits]

krzysz00 added a comment.

@nlopes

- Two of the `UndefValue` uses are in splitting up an existing `undef`
- One is respecting "When an Instruction is deleted, its debug uses change to undef. " from the documentation on how to update debug info for pass authors
- The last has been changed to poison


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D158463/new/

https://reviews.llvm.org/D158463