[PATCH] D151602: [TableGen] Add !getdagarg and !getdagname

[Michael Liao via Phabricator via llvm-commits]

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- This patch proposes to add `!getdagarg` and `!getdagnames` bang operators as the inverse operation of `!dag`. They allow us to examine arguments of a given dag.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D151602

Files:
  llvm/docs/TableGen/ProgRef.rst
  llvm/include/llvm/TableGen/Record.h
  llvm/lib/TableGen/Record.cpp
  llvm/lib/TableGen/TGLexer.cpp
  llvm/lib/TableGen/TGLexer.h
  llvm/lib/TableGen/TGParser.cpp
  llvm/test/TableGen/getsetop.td

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