include/emitc/Dialect/EmitC/EmitC.td

//===- EmitC.td - EmitC operation definitions --------------*- tablegen -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Defines some operations with trivial mapping to C/C++ constructs.
//
//===----------------------------------------------------------------------===//

#ifndef EMITC_OPS
#define EMITC_OPS

include "mlir/Interfaces/SideEffectInterfaces.td"

def EmitC_Dialect : Dialect {
  let name = "emitc";
  let cppNamespace = "emitc";
}

// Base class for EmitC dialect ops.
class EmitC_Op<string mnemonic, list<OpTrait> traits = []> :
    Op<EmitC_Dialect, mnemonic, traits>;

def EmitC_CallOp : EmitC_Op<"call", []> {
  let summary = "call operation";
  let description = [{
    The "call" operation represents a C++ function call. The call allows
    specifying order of operands and attributes in the call as follows:

    - integer value of index type refers to an operand;
    - attribute which will get lowered to constant value in call;
  }];
  let arguments = (ins
    Arg<StrAttr, "the C++ function to call">:$callee,
    Arg<OptionalAttr<ArrayAttr>, "the order of operands and attributes">:$args,
    Variadic<AnyType>:$operands);
  let results = (outs Variadic<AnyType>);
  let assemblyFormat = [{
    $callee `(` $operands `)` attr-dict `:` functional-type($operands, results)
  }];
}

#endif // EMITC_OPS