[PATCH] D87140: [GlobalISel] Avoid making G_PTR_ADD with nullptr

[Mirko Brkusanin via Phabricator via llvm-commits]

mbrkusanin updated this revision to Diff 294990.
mbrkusanin added a comment.

- Refactored matchPtrAddZero().


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87140/new/

https://reviews.llvm.org/D87140

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/combine-add-nullptr.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.i16.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.atomic.dec.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.atomic.inc.ll

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