[PATCH] D146800: [TableGen][GlobalISel] Support EXTRACT_SUBREGs for ComplexPattern suboperands.

[Ivan Kosarev via Phabricator via llvm-commits]

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This makes it possible to write GlobalISel patterns generating
EXTRACT_SUBREG instructions applied to suboperands of ComplexPattern
operands. Currently, TableGen complains that such operands are not
declared in matcher.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D146800

Files:
  llvm/include/llvm/CodeGen/GlobalISel/InstructionSelector.h
  llvm/include/llvm/CodeGen/GlobalISel/InstructionSelectorImpl.h
  llvm/test/TableGen/GlobalISelEmitterSubreg.td
  llvm/utils/TableGen/GlobalISelEmitter.cpp

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