[PATCH] D136234: [WIP] Allow ignoring copies in GISel

[Pierre van Houtryve via Phabricator via llvm-commits]

Pierre-vh created this revision.
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Draft of a diff to ignore copies in GISel by setting a bit in "Pattern".

Posting to gather feedback. Will be pulled once enough feedback has been gathered and will either be discarded or refactored.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D136234

Files:
  llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
  llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
  llvm/include/llvm/Target/TargetSelectionDAG.td
  llvm/lib/Target/AMDGPU/AMDGPUInstructions.td
  llvm/lib/Target/AMDGPU/SIInstructions.td
  llvm/utils/TableGen/GlobalISelEmitter.cpp

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