1//===- Linalg.cpp - C Interface for Linalg dialect ------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "mlir-c/Dialect/Linalg.h"
10#include "mlir/CAPI/Registration.h"
11#include "mlir/Dialect/Linalg/IR/Linalg.h"
12
13using namespace mlir;
14using namespace mlir::linalg;
15
16/// Apply the special region builder for the builtin named Linalg op.
17/// Assert that `op` is a builtin named Linalg op.
18void mlirLinalgFillBuiltinNamedOpRegion(MlirOperation mlirOp) {
19 Operation *op = unwrap(c: mlirOp);
20 auto linalgOp = cast<LinalgOp>(op);
21 auto *dialect = static_cast<LinalgDialect *>(linalgOp->getDialect());
22 LinalgDialect::RegionBuilderFunType fun =
23 dialect->getRegionBuilder(op->getName().getStringRef());
24
25 assert(fun && "Expected a builtin named Linalg op.");
26 assert(op->getNumRegions() == 1 && "Expected Linalg op with 1 region");
27 assert(op->getRegion(0).getBlocks().empty() &&
28 "Expected Linalg op with 0 blocks");
29
30 SmallVector<Type, 8> argTypes;
31 SmallVector<Location, 8> argLocs;
32 for (OpOperand &opOperand : linalgOp->getOpOperands()) {
33 argTypes.push_back(getElementTypeOrSelf(opOperand.get().getType()));
34 argLocs.push_back(opOperand.get().getLoc());
35 }
36
37 ImplicitLocOpBuilder b(op->getLoc(), op->getContext());
38 Region &region = op->getRegion(index: 0);
39 Block *body = b.createBlock(parent: &region, /*insertPt=*/{}, argTypes, locs: argLocs);
40 b.setInsertionPointToStart(body);
41 fun(b, *body, op->getAttrs());
42}
43
44MLIR_DEFINE_CAPI_DIALECT_REGISTRATION(Linalg, linalg, LinalgDialect)
45

source code of mlir/lib/CAPI/Dialect/Linalg.cpp