1 | //===- ValueBoundsOpInterfaceImpl.cpp - Impl. of ValueBoundsOpInterface ---===// |
---|---|
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/Dialect/Vector/IR/ValueBoundsOpInterfaceImpl.h" |
10 | |
11 | #include "mlir/Dialect/Vector/IR/ScalableValueBoundsConstraintSet.h" |
12 | #include "mlir/Dialect/Vector/IR/VectorOps.h" |
13 | #include "mlir/Interfaces/ValueBoundsOpInterface.h" |
14 | |
15 | using namespace mlir; |
16 | |
17 | namespace mlir::vector { |
18 | namespace { |
19 | |
20 | struct VectorScaleOpInterface |
21 | : public ValueBoundsOpInterface::ExternalModel<VectorScaleOpInterface, |
22 | VectorScaleOp> { |
23 | void populateBoundsForIndexValue(Operation *op, Value value, |
24 | ValueBoundsConstraintSet &cstr) const { |
25 | auto *scalableCstr = dyn_cast<ScalableValueBoundsConstraintSet>(Val: &cstr); |
26 | if (!scalableCstr) |
27 | return; |
28 | auto vscaleOp = cast<VectorScaleOp>(op); |
29 | assert(value == vscaleOp.getResult() && "invalid value"); |
30 | if (auto vscale = scalableCstr->getVscaleValue()) { |
31 | // All copies of vscale are equivalent. |
32 | scalableCstr->bound(value) == cstr.getExpr(value: vscale); |
33 | } else { |
34 | // We know vscale is confined to [vscaleMin, vscaleMax]. |
35 | scalableCstr->bound(value) >= scalableCstr->getVscaleMin(); |
36 | scalableCstr->bound(value) <= scalableCstr->getVscaleMax(); |
37 | scalableCstr->setVscale(vscaleOp); |
38 | } |
39 | } |
40 | }; |
41 | |
42 | } // namespace |
43 | } // namespace mlir::vector |
44 | |
45 | void mlir::vector::registerValueBoundsOpInterfaceExternalModels( |
46 | DialectRegistry ®istry) { |
47 | registry.addExtension(extensionFn: +[](MLIRContext *ctx, vector::VectorDialect *dialect) { |
48 | vector::VectorScaleOp::attachInterface<vector::VectorScaleOpInterface>( |
49 | *ctx); |
50 | }); |
51 | } |
52 |