[PATCH] D103326: [GlobalISel] Add combine for PTR_ADD with regbanks

[Sebastian Neubauer via Phabricator via llvm-commits]

sebastian-ne updated this revision to Diff 353348.
sebastian-ne added a comment.

I now added two helper function in CombinerHelper,
`getRegBankId` returns an `Optional<unsigned>` for a register and
`setRegBankId` sets such an optional bank to a register (or does nothing it it’s None).

With these, adding post-RBS support to a combine is a bit shorter.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103326/new/

https://reviews.llvm.org/D103326

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/lib/Target/AMDGPU/AMDGPUCombine.td
  llvm/test/CodeGen/AMDGPU/GlobalISel/extractelement-stack-lower.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/extractelement.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.large.ll

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