mlir/lib/Dialect/Complex/IR/ComplexDialect.cpp

   1 //===- ComplexDialect.cpp - MLIR Complex 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/Conversion/ConvertToLLVM/ToLLVMInterface.h"
  10 #include "mlir/Dialect/Arith/IR/Arith.h"
  11 #include "mlir/Dialect/Complex/IR/Complex.h"
  12 #include "mlir/IR/Builders.h"
  13 #include "mlir/IR/DialectImplementation.h"
  14 #include "mlir/Transforms/InliningUtils.h"
  15 #include "llvm/ADT/StringExtras.h"
  16 #include "llvm/ADT/TypeSwitch.h"
  17
  18 using namespace mlir;
  19
  20 #include "mlir/Dialect/Complex/IR/ComplexOpsDialect.cpp.inc"
  21
  22 namespace {
  23 /// This class defines the interface for handling inlining for complex
  24 /// dialect operations.
  25 struct ComplexInlinerInterface : public DialectInlinerInterface {
  26   using DialectInlinerInterface::DialectInlinerInterface;
  27   /// All complex dialect ops can be inlined.
  28   bool isLegalToInline(Operation *, Region *, bool, IRMapping &) const final {
  29     return true;
  30   }
  31 };
  32 } // namespace
  33
  34 void complex::ComplexDialect::initialize() {
  35   addOperations<
  36 #define GET_OP_LIST
  37 #include "mlir/Dialect/Complex/IR/ComplexOps.cpp.inc"
  38       >();
  39   addAttributes<
  40 #define GET_ATTRDEF_LIST
  41 #include "mlir/Dialect/Complex/IR/ComplexAttributes.cpp.inc"
  42       >();
  43   declarePromisedInterface<ConvertToLLVMPatternInterface, ComplexDialect>();
  44   addInterfaces<ComplexInlinerInterface>();
  45 }
  46
  47 Operation *complex::ComplexDialect::materializeConstant(OpBuilder &builder,
  48                                                         Attribute value,
  49                                                         Type type,
  50                                                         Location loc) {
  51   if (complex::ConstantOp::isBuildableWith(value, type)) {
  52     return builder.create<complex::ConstantOp>(loc, type,
  53                                                llvm::cast<ArrayAttr>(value));
  54   }
  55   return arith::ConstantOp::materialize(builder, value, type, loc);
  56 }
  57
  58 #define GET_ATTRDEF_CLASSES
  59 #include "mlir/Dialect/Complex/IR/ComplexAttributes.cpp.inc"
  60
  61 LogicalResult complex::NumberAttr::verify(
  62     ::llvm::function_ref<::mlir::InFlightDiagnostic()> emitError,
  63     ::llvm::APFloat real, ::llvm::APFloat imag, ::mlir::Type type) {
  64
  65   if (!llvm::isa<ComplexType>(type))
  66     return emitError() << "complex attribute must be a complex type.";
  67
  68   Type elementType = llvm::cast<ComplexType>(type).getElementType();
  69   if (!llvm::isa<FloatType>(elementType))
  70     return emitError()
  71            << "element type of the complex attribute must be float like type.";
  72
  73   const auto &typeFloatSemantics =
  74       llvm::cast<FloatType>(elementType).getFloatSemantics();
  75   if (&real.getSemantics() != &typeFloatSemantics)
  76     return emitError()
  77            << "type doesn't match the type implied by its `real` value";
  78   if (&imag.getSemantics() != &typeFloatSemantics)
  79     return emitError()
  80            << "type doesn't match the type implied by its `imag` value";
  81
  82   return success();
  83 }
  84
  85 void complex::NumberAttr::print(AsmPrinter &printer) const {
  86   printer << "<:" << llvm::cast<ComplexType>(getType()).getElementType() << " "
  87           << getReal() << ", " << getImag() << ">";
  88 }
  89
  90 Attribute complex::NumberAttr::parse(AsmParser &parser, Type odsType) {
  91   Type type;
  92   double real, imag;
  93   if (parser.parseLess() || parser.parseColon() || parser.parseType(type) ||
  94       parser.parseFloat(real) || parser.parseComma() ||
  95       parser.parseFloat(imag) || parser.parseGreater())
  96     return {};
  97
  98   return NumberAttr::get(ComplexType::get(type), real, imag);
  99 }