mlir/lib/IR/Attributes.cpp

   1 //===- Attributes.cpp - MLIR Affine Expr Classes --------------------------===//
   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/IR/Attributes.h"
  10 #include "mlir/IR/Dialect.h"
  11
  12 using namespace mlir;
  13 using namespace mlir::detail;
  14
  15 //===----------------------------------------------------------------------===//
  16 // AbstractAttribute
  17 //===----------------------------------------------------------------------===//
  18
  19 void AbstractAttribute::walkImmediateSubElements(
  20     Attribute attr, function_ref<void(Attribute)> walkAttrsFn,
  21     function_ref<void(Type)> walkTypesFn) const {
  22   walkImmediateSubElementsFn(attr, walkAttrsFn, walkTypesFn);
  23 }
  24
  25 Attribute
  26 AbstractAttribute::replaceImmediateSubElements(Attribute attr,
  27                                                ArrayRef<Attribute> replAttrs,
  28                                                ArrayRef<Type> replTypes) const {
  29   return replaceImmediateSubElementsFn(attr, replAttrs, replTypes);
  30 }
  31
  32 //===----------------------------------------------------------------------===//
  33 // Attribute
  34 //===----------------------------------------------------------------------===//
  35
  36 /// Return the context this attribute belongs to.
  37 MLIRContext *Attribute::getContext() const { return getDialect().getContext(); }
  38
  39 //===----------------------------------------------------------------------===//
  40 // NamedAttribute
  41 //===----------------------------------------------------------------------===//
  42
  43 NamedAttribute::NamedAttribute(StringAttr name, Attribute value)
  44     : name(name), value(value) {
  45   assert(name && value && "expected valid attribute name and value");
  46   assert(!name.empty() && "expected valid attribute name");
  47 }
  48
  49 NamedAttribute::NamedAttribute(StringRef name, Attribute value) : value(value) {
  50   assert(value && "expected valid attribute value");
  51   assert(!name.empty() && "expected valid attribute name");
  52   this->name = StringAttr::get(value.getContext(), name);
  53 }
  54
  55 StringAttr NamedAttribute::getName() const {
  56   return llvm::cast<StringAttr>(name);
  57 }
  58
  59 Dialect *NamedAttribute::getNameDialect() const {
  60   return getName().getReferencedDialect();
  61 }
  62
  63 void NamedAttribute::setName(StringAttr newName) {
  64   assert(name && "expected valid attribute name");
  65   name = newName;
  66 }
  67
  68 bool NamedAttribute::operator<(const NamedAttribute &rhs) const {
  69   return getName().compare(rhs.getName()) < 0;
  70 }
  71
  72 bool NamedAttribute::operator<(StringRef rhs) const {
  73   return getName().getValue().compare(rhs) < 0;
  74 }