[PATCH] D86878: [AMDGPU] Fix a miscompile with S_ADD/S_SUB

[Piotr Sobczak via Phabricator via llvm-commits]

piotr updated this revision to Diff 323908.
piotr added a comment.

Tests rewritten.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D86878/new/

https://reviews.llvm.org/D86878

Files:
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/combine-add-zext-xor.ll

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