38 lines
1.5 KiB
C++
38 lines
1.5 KiB
C++
//===- ValueBoundsOpInterfaceImpl.h - Impl. of ValueBoundsOpInterface -----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef MLIR_DIALECT_AFFINE_IR_VALUEBOUNDSOPINTERFACEIMPL_H
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#define MLIR_DIALECT_AFFINE_IR_VALUEBOUNDSOPINTERFACEIMPL_H
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#include "mlir/Support/LLVM.h"
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#include <cstdint>
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namespace mlir {
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class DialectRegistry;
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class Value;
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namespace affine {
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void registerValueBoundsOpInterfaceExternalModels(DialectRegistry ®istry);
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/// Compute a constant delta of the given two values. Return "failure" if we
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/// cannot determine a constant delta. `value1`/`value2` must be index-typed.
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///
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/// This function is similar to
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/// `ValueBoundsConstraintSet::computeConstantDistance`. To work around
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/// limitations in `FlatLinearConstraints`, this function fully composes
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/// `value1` and `value2` (if they are the result of affine.apply ops) before
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/// populating the constraint set. The folding/composing logic can see
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/// opportunities for simplifications that the constraint set implementation
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/// cannot see.
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FailureOr<int64_t> fullyComposeAndComputeConstantDelta(Value value1,
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Value value2);
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} // namespace affine
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} // namespace mlir
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#endif // MLIR_DIALECT_AFFINE_IR_VALUEBOUNDSOPINTERFACEIMPL_H
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