xref: /llvm-project/mlir/include/mlir/Conversion/LinalgToStandard/LinalgToStandard.h (revision 67d0d7ac0acb0665d6a09f61278fbcf51f0114c2)
1 //===- LinalgToStandard.h - Utils to convert from the 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 #ifndef MLIR_CONVERSION_LINALGTOSTANDARD_LINALGTOSTANDARD_H_
10 #define MLIR_CONVERSION_LINALGTOSTANDARD_LINALGTOSTANDARD_H_
11 
12 #include "mlir/Dialect/Linalg/IR/Linalg.h"
13 #include "mlir/Transforms/DialectConversion.h"
14 
15 namespace mlir {
16 class ModuleOp;
17 template <typename T>
18 class OperationPass;
19 
20 #define GEN_PASS_DECL_CONVERTLINALGTOSTANDARD
21 #include "mlir/Conversion/Passes.h.inc"
22 
23 namespace linalg {
24 
25 //===----------------------------------------------------------------------===//
26 // Patterns to convert a LinalgOp to func.call @external library implementation.
27 //===----------------------------------------------------------------------===//
28 // These patterns are exposed individually because they are expected to be
29 // typically used individually.
30 
31 // Create a new call to the type-canonicalized `LinalgOp::getLibraryCallName()`
32 // function. The implementation of the function can be either in the same module
33 // or in an externally linked library.
34 // This is a generic entry point for all LinalgOp, except for CopyOp, for which
35 // more specialized patterns are provided.
36 class LinalgOpToLibraryCallRewrite
37     : public OpInterfaceRewritePattern<LinalgOp> {
38 public:
39   using OpInterfaceRewritePattern<LinalgOp>::OpInterfaceRewritePattern;
40 
41   LogicalResult matchAndRewrite(LinalgOp op,
42                                 PatternRewriter &rewriter) const override;
43 };
44 
45 /// Populate the given list with patterns that convert from Linalg to Standard.
46 void populateLinalgToStandardConversionPatterns(RewritePatternSet &patterns);
47 
48 } // namespace linalg
49 
50 /// Create a pass to convert Linalg operations to the Standard dialect.
51 std::unique_ptr<OperationPass<ModuleOp>> createConvertLinalgToStandardPass();
52 
53 } // namespace mlir
54 
55 #endif // MLIR_CONVERSION_LINALGTOSTANDARD_LINALGTOSTANDARD_H_
56