River Riddle 0359b86d8b [mlir][ODS] Add support for variadic regions.
Summary: This revision adds support for marking the last region as variadic in the ODS region list with the VariadicRegion directive.

Differential Revision: https://reviews.llvm.org/D77455
2020-04-05 01:03:38 -07:00

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//===- Region.cpp - Region class ------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Region wrapper to simplify using TableGen Record defining a MLIR Region.
//
//===----------------------------------------------------------------------===//
#include "mlir/TableGen/Region.h"
#include "llvm/TableGen/Record.h"
using namespace mlir;
using namespace mlir::tblgen;
// Returns true if this region is variadic.
bool Region::isVariadic() const { return def->isSubClassOf("VariadicRegion"); }