llvm/mlir/lib/Conversion/ShapeToStandard/ConvertShapeConstraints.cpp

//===- ConvertShapeConstraints.cpp - Conversion of shape constraints ------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "mlir/Conversion/ShapeToStandard/ShapeToStandard.h"

#include "mlir/Dialect/ControlFlow/IR/ControlFlowOps.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/Dialect/Shape/IR/Shape.h"
#include "mlir/Dialect/Tensor/IR/Tensor.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/Pass/Pass.h"
#include "mlir/Pass/PassRegistry.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"

namespace mlir {
#define GEN_PASS_DEF_CONVERTSHAPECONSTRAINTS
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir

usingnamespacemlir;

namespace {
#include "ShapeToStandard.cpp.inc"
} // namespace

namespace {
class ConvertCstrRequireOp : public OpRewritePattern<shape::CstrRequireOp> { … };
} // namespace

void mlir::populateConvertShapeConstraintsConversionPatterns(
    RewritePatternSet &patterns) { … }

namespace {
// This pass eliminates shape constraints from the program, converting them to
// eager (side-effecting) error handling code. After eager error handling code
// is emitted, witnesses are satisfied, so they are replace with
// `shape.const_witness true`.
class ConvertShapeConstraints
    : public impl::ConvertShapeConstraintsBase<ConvertShapeConstraints> { … };
} // namespace

std::unique_ptr<Pass> mlir::createConvertShapeConstraintsPass() { … }