[PATCH] D77863: [mlir][ODS] Add support for optional operands and results with a new Optional directive.

[River Riddle via Phabricator via llvm-commits]

rriddle created this revision.
rriddle added reviewers: mehdi_amini, jpienaar.
Herald added subscribers: llvm-commits, frgossen, grosul1, bader, Joonsoo, liufengdb, lucyrfox, mgester, arpith-jacob, nicolasvasilache, antiagainst, shauheen, burmako.
Herald added a reviewer: mravishankar.
Herald added a reviewer: antiagainst.
Herald added a reviewer: antiagainst.
Herald added a project: LLVM.

This revision adds support for specifying operands or results as "optional". This is a special case of variadic where the number of elements is either 0 or 1. Operands and results of this kind will have accessors generated using Value instead of the range types, making it more natural to interface with.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77863

Files:
  mlir/docs/OpDefinitions.md
  mlir/include/mlir/IR/OpBase.td
  mlir/include/mlir/IR/OpImplementation.h
  mlir/include/mlir/TableGen/Argument.h
  mlir/include/mlir/TableGen/Operator.h
  mlir/include/mlir/TableGen/Type.h
  mlir/lib/Parser/Parser.cpp
  mlir/lib/TableGen/Argument.cpp
  mlir/lib/TableGen/Operator.cpp
  mlir/lib/TableGen/Pattern.cpp
  mlir/lib/TableGen/Type.cpp
  mlir/test/lib/Dialect/Test/TestOps.td
  mlir/test/mlir-tblgen/op-decl.td
  mlir/test/mlir-tblgen/op-format-spec.td
  mlir/test/mlir-tblgen/op-format.mlir
  mlir/test/mlir-tblgen/predicate.td
  mlir/tools/mlir-tblgen/LLVMIRConversionGen.cpp
  mlir/tools/mlir-tblgen/OpDefinitionsGen.cpp
  mlir/tools/mlir-tblgen/OpFormatGen.cpp
  mlir/tools/mlir-tblgen/RewriterGen.cpp
  mlir/tools/mlir-tblgen/SPIRVUtilsGen.cpp

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