c1a2292526
`let constructor` is deprecated since the table gen backend emits most of the glue logic to build a pass. This PR retires the td method for most (I need another pass) passes in the Conversion directory.
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
//===- ConvertShapeConstraints.cpp - Conversion of shape constraints ------===//
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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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#include "mlir/Conversion/ShapeToStandard/ShapeToStandard.h"
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#include "mlir/Dialect/ControlFlow/IR/ControlFlowOps.h"
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#include "mlir/Dialect/SCF/IR/SCF.h"
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#include "mlir/Dialect/Shape/IR/Shape.h"
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#include "mlir/Dialect/Tensor/IR/Tensor.h"
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#include "mlir/IR/PatternMatch.h"
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#include "mlir/Pass/Pass.h"
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#include "mlir/Pass/PassRegistry.h"
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#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
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namespace mlir {
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#define GEN_PASS_DEF_CONVERTSHAPECONSTRAINTSPASS
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#include "mlir/Conversion/Passes.h.inc"
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} // namespace mlir
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using namespace mlir;
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namespace {
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#include "ShapeToStandard.cpp.inc"
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} // namespace
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namespace {
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class ConvertCstrRequireOp : public OpRewritePattern<shape::CstrRequireOp> {
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public:
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using OpRewritePattern::OpRewritePattern;
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LogicalResult matchAndRewrite(shape::CstrRequireOp op,
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PatternRewriter &rewriter) const override {
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rewriter.create<cf::AssertOp>(op.getLoc(), op.getPred(), op.getMsgAttr());
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rewriter.replaceOpWithNewOp<shape::ConstWitnessOp>(op, true);
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return success();
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}
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};
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} // namespace
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void mlir::populateConvertShapeConstraintsConversionPatterns(
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RewritePatternSet &patterns) {
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patterns.add<CstrBroadcastableToRequire>(patterns.getContext());
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patterns.add<CstrEqToRequire>(patterns.getContext());
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patterns.add<ConvertCstrRequireOp>(patterns.getContext());
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}
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namespace {
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// This pass eliminates shape constraints from the program, converting them to
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// eager (side-effecting) error handling code. After eager error handling code
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// is emitted, witnesses are satisfied, so they are replace with
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// `shape.const_witness true`.
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class ConvertShapeConstraints
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: public impl::ConvertShapeConstraintsPassBase<ConvertShapeConstraints> {
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void runOnOperation() override {
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auto *func = getOperation();
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auto *context = &getContext();
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RewritePatternSet patterns(context);
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populateConvertShapeConstraintsConversionPatterns(patterns);
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if (failed(applyPatternsGreedily(func, std::move(patterns))))
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return signalPassFailure();
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}
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};
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} // namespace
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