00e3566d6c
This adds `arith::ConstantOp::materialize`, which builds a constant from an attribute and type only if it would result in a valid op. This is useful for dialect `materializeConstant` hooks, and allows for removing the previous `Attribute, Type` builder which was only used during materialization. Reviewed By: rriddle Differential Revision: https://reviews.llvm.org/D148491
84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
//===- ComplexDialect.cpp - MLIR Complex Dialect --------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/Arith/IR/Arith.h"
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#include "mlir/Dialect/Complex/IR/Complex.h"
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#include "mlir/IR/Builders.h"
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#include "mlir/IR/DialectImplementation.h"
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#include "llvm/ADT/StringExtras.h"
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#include "llvm/ADT/TypeSwitch.h"
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using namespace mlir;
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#include "mlir/Dialect/Complex/IR/ComplexOpsDialect.cpp.inc"
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void complex::ComplexDialect::initialize() {
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addOperations<
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#define GET_OP_LIST
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#include "mlir/Dialect/Complex/IR/ComplexOps.cpp.inc"
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>();
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addAttributes<
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#define GET_ATTRDEF_LIST
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#include "mlir/Dialect/Complex/IR/ComplexAttributes.cpp.inc"
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>();
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}
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Operation *complex::ComplexDialect::materializeConstant(OpBuilder &builder,
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Attribute value,
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Type type,
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Location loc) {
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if (complex::ConstantOp::isBuildableWith(value, type)) {
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return builder.create<complex::ConstantOp>(loc, type,
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value.cast<ArrayAttr>());
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}
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return arith::ConstantOp::materialize(builder, value, type, loc);
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}
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#define GET_ATTRDEF_CLASSES
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#include "mlir/Dialect/Complex/IR/ComplexAttributes.cpp.inc"
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LogicalResult complex::NumberAttr::verify(
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::llvm::function_ref<::mlir::InFlightDiagnostic()> emitError,
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::llvm::APFloat real, ::llvm::APFloat imag, ::mlir::Type type) {
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if (!type.isa<ComplexType>())
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return emitError() << "complex attribute must be a complex type.";
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Type elementType = type.cast<ComplexType>().getElementType();
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if (!elementType.isa<FloatType>())
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return emitError()
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<< "element type of the complex attribute must be float like type.";
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const auto &typeFloatSemantics =
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elementType.cast<FloatType>().getFloatSemantics();
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if (&real.getSemantics() != &typeFloatSemantics)
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return emitError()
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<< "type doesn't match the type implied by its `real` value";
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if (&imag.getSemantics() != &typeFloatSemantics)
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return emitError()
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<< "type doesn't match the type implied by its `imag` value";
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return success();
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}
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void complex::NumberAttr::print(AsmPrinter &printer) const {
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printer << "<:" << getType().cast<ComplexType>().getElementType() << " "
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<< getReal() << ", " << getImag() << ">";
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}
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Attribute complex::NumberAttr::parse(AsmParser &parser, Type odsType) {
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Type type;
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double real, imag;
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if (parser.parseLess() || parser.parseColon() || parser.parseType(type) ||
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parser.parseFloat(real) || parser.parseComma() ||
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parser.parseFloat(imag) || parser.parseGreater())
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return {};
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return NumberAttr::get(ComplexType::get(type), real, imag);
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}
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