MLIR  21.0.0git
LinalgDialect.cpp
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1 //===- Dialect.cpp - Implementation of the linalg dialect and types -------===//
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 // This file implements the Linalg dialect types and dialect.
10 //
11 //===----------------------------------------------------------------------===//
12 
23 #include "mlir/Support/LLVM.h"
25 
26 #include "llvm/ADT/TypeSwitch.h"
27 
28 using namespace mlir;
29 using namespace mlir::linalg;
30 
31 //===----------------------------------------------------------------------===//
32 // LinalgDialect Dialect Interfaces
33 //===----------------------------------------------------------------------===//
34 
35 namespace {
36 
37 struct LinalgInlinerInterface : public DialectInlinerInterface {
39 
40  // We don't have any special restrictions on what can be inlined into
41  // destination regions (e.g. while/conditional bodies). Always allow it.
42  bool isLegalToInline(Region *dest, Region *src, bool wouldBeCloned,
43  IRMapping &valueMapping) const final {
44  return true;
45  }
46  // Operations in Linalg dialect are always legal to inline.
47  bool isLegalToInline(Operation *, Region *, bool, IRMapping &) const final {
48  return true;
49  }
50  // Handle the given inlined terminator by replacing it with a new operation
51  // as necessary. Required when the region has only one block.
52  void handleTerminator(Operation *op, ValueRange valuesToRepl) const final {}
53 };
54 
55 } // namespace
56 
57 //===----------------------------------------------------------------------===//
58 // LinalgDialect
59 //===----------------------------------------------------------------------===//
60 
61 /// Attribute name used to memoize indexing maps for named ops.
62 constexpr const ::llvm::StringLiteral
63  LinalgDialect::kMemoizedIndexingMapsAttrName;
64 
65 /// Trait to check if T provides a `regionBuilder` method.
66 template <typename T, typename... Args>
67 using has_region_builder = decltype(T::regionBuilder);
68 template <typename T>
69 using detect_has_region_builder = llvm::is_detected<has_region_builder, T>;
70 
71 /// SFINAE helper for single C++ class without a `regionBuilder` method (e.g.
72 /// an OpInterface).
73 template <typename OpType, typename = std::enable_if_t<
76  llvm::StringMap<LinalgDialect::RegionBuilderFunType> &map) {
77  // Do nothing.
78 }
79 
80 template <typename OpType,
81  typename = std::enable_if_t<detect_has_region_builder<OpType>::value>,
82  typename = void>
84  llvm::StringMap<LinalgDialect::RegionBuilderFunType> &map) {
85  map.insert(std::make_pair(
86  OpType::getOperationName(),
87  static_cast<LinalgDialect::RegionBuilderFunType>(OpType::regionBuilder)));
88 }
89 
90 template <typename... OpTypes>
92  llvm::StringMap<LinalgDialect::RegionBuilderFunType> &map) {
93  (addNamedOpBuilderImpl<OpTypes>(map), ...);
94 }
95 
96 void mlir::linalg::LinalgDialect::initialize() {
97  addAttributes<
98 #define GET_ATTRDEF_LIST
99 #include "mlir/Dialect/Linalg/IR/LinalgOpsAttrDefs.cpp.inc"
100  >();
101  addOperations<
102 #define GET_OP_LIST
103 #include "mlir/Dialect/Linalg/IR/LinalgOps.cpp.inc"
104  >();
105  addOperations<
106 #define GET_OP_LIST
107 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"
108  >();
109  addOperations<
110 #define GET_OP_LIST
111 #include "mlir/Dialect/Linalg/IR/LinalgRelayoutOps.cpp.inc"
112  >();
113 
114  // Fill the Linalg-specific OpName to RegionBuilder map.
116 #define GET_OP_LIST
117 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"
118  >(namedStructuredOpRegionBuilders);
119 
120  addInterfaces<LinalgInlinerInterface>();
121 
122  declarePromisedInterface<mesh::ShardingInterface, GenericOp>();
123  declarePromisedInterfaces<mesh::ShardingInterface,
124 #define GET_OP_LIST
125 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"
126  >();
127  declarePromisedInterface<SubsetOpInterface, CopyOp>();
128  declarePromisedInterface<SubsetInsertionOpInterface, CopyOp>();
129 
130  // ValueBoundsOpInterface
131  declarePromisedInterface<ValueBoundsOpInterface, IndexOp>();
132 
133  declarePromisedInterface<PartialReductionOpInterface, linalg::GenericOp>();
134 
135  // Tiling Interface
136  declarePromisedInterface<TilingInterface, linalg::GenericOp>();
137  declarePromisedInterfaces<TilingInterface,
138 #define GET_OP_LIST
139 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"
140  >();
141  declarePromisedInterfaces<TilingInterface,
142 #define GET_OP_LIST
143 #include "mlir/Dialect/Linalg/IR/LinalgRelayoutOps.cpp.inc"
144  >();
145  declarePromisedInterfaces<PartialReductionOpInterface,
146 #define GET_OP_LIST
147 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"
148  >();
149  declarePromisedInterfaces<bufferization::BufferizableOpInterface,
150 #define GET_OP_LIST
151 #include "mlir/Dialect/Linalg/IR/LinalgStructuredOps.cpp.inc"
152  >();
153 }
154 
155 LogicalResult LinalgDialect::verifyOperationAttribute(Operation *op,
156  NamedAttribute attr) {
157  if (attr.getName() == LinalgDialect::kMemoizedIndexingMapsAttrName)
158  return success();
159  return op->emitError() << "attribute '" << attr.getName()
160  << "' not supported by the linalg dialect";
161 }
162 
163 #include "mlir/Dialect/Linalg/IR/LinalgOpsEnums.cpp.inc"
164 
165 #define GET_ATTRDEF_CLASSES
166 #include "mlir/Dialect/Linalg/IR/LinalgOpsAttrDefs.cpp.inc"
167 
168 #include "mlir/Dialect/Linalg/IR/LinalgOpsDialect.cpp.inc"
static bool isLegalToInline(InlinerInterface &interface, Region *src, Region *insertRegion, bool shouldCloneInlinedRegion, IRMapping &valueMapping)
Utility to check that all of the operations within 'src' can be inlined.
llvm::is_detected< has_region_builder, T > detect_has_region_builder
decltype(T::regionBuilder) has_region_builder
Trait to check if T provides a regionBuilder method.
void addNamedOpBuilders(llvm::StringMap< LinalgDialect::RegionBuilderFunType > &map)
void addNamedOpBuilderImpl(llvm::StringMap< LinalgDialect::RegionBuilderFunType > &map)
SFINAE helper for single C++ class without a regionBuilder method (e.g.
This is the interface that must be implemented by the dialects of operations to be inlined.
Definition: InliningUtils.h:44
DialectInlinerInterface(Dialect *dialect)
Definition: InliningUtils.h:46
This is a utility class for mapping one set of IR entities to another.
Definition: IRMapping.h:26
NamedAttribute represents a combination of a name and an Attribute value.
Definition: Attributes.h:164
StringAttr getName() const
Return the name of the attribute.
Definition: Attributes.cpp:55
Operation is the basic unit of execution within MLIR.
Definition: Operation.h:88
InFlightDiagnostic emitError(const Twine &message={})
Emit an error about fatal conditions with this operation, reporting up to any diagnostic handlers tha...
Definition: Operation.cpp:267
This class contains a list of basic blocks and a link to the parent operation it is attached to.
Definition: Region.h:26
This class provides an abstraction over the different types of ranges over Values.
Definition: ValueRange.h:387
Include the generated interface declarations.