| //===- StructuralTypeConversions.cpp - Shape structural type conversions --===// |
| // |
| // 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 "PassDetail.h" |
| #include "mlir/Dialect/Shape/IR/Shape.h" |
| #include "mlir/Dialect/Shape/Transforms/Passes.h" |
| #include "mlir/Transforms/DialectConversion.h" |
| |
| using namespace mlir; |
| using namespace mlir::shape; |
| |
| namespace { |
| class ConvertAssumingOpTypes : public OpConversionPattern<AssumingOp> { |
| public: |
| using OpConversionPattern::OpConversionPattern; |
| |
| LogicalResult |
| matchAndRewrite(AssumingOp op, OpAdaptor adaptor, |
| ConversionPatternRewriter &rewriter) const final { |
| SmallVector<Type, 2> newResultTypes; |
| newResultTypes.reserve(op.getNumResults()); |
| for (auto result : op.getResults()) { |
| auto originalType = result.getType(); |
| Type convertedType = getTypeConverter()->convertType(originalType); |
| newResultTypes.push_back(convertedType); |
| } |
| |
| auto newAssumingOp = rewriter.create<AssumingOp>( |
| op.getLoc(), newResultTypes, op.getWitness()); |
| rewriter.inlineRegionBefore(op.getDoRegion(), newAssumingOp.getDoRegion(), |
| newAssumingOp.getDoRegion().end()); |
| rewriter.replaceOp(op, newAssumingOp.getResults()); |
| |
| return success(); |
| } |
| }; |
| } // namespace |
| |
| namespace { |
| class ConvertAssumingYieldOpTypes |
| : public OpConversionPattern<AssumingYieldOp> { |
| public: |
| using OpConversionPattern::OpConversionPattern; |
| |
| LogicalResult |
| matchAndRewrite(AssumingYieldOp op, OpAdaptor adaptor, |
| ConversionPatternRewriter &rewriter) const final { |
| rewriter.replaceOpWithNewOp<AssumingYieldOp>(op, adaptor.getOperands()); |
| return success(); |
| } |
| }; |
| } // namespace |
| |
| void mlir::populateShapeStructuralTypeConversionsAndLegality( |
| TypeConverter &typeConverter, RewritePatternSet &patterns, |
| ConversionTarget &target) { |
| patterns.add<ConvertAssumingOpTypes, ConvertAssumingYieldOpTypes>( |
| typeConverter, patterns.getContext()); |
| target.addDynamicallyLegalOp<AssumingOp>([&](AssumingOp op) { |
| return typeConverter.isLegal(op.getResultTypes()); |
| }); |
| target.addDynamicallyLegalOp<AssumingYieldOp>([&](AssumingYieldOp op) { |
| return typeConverter.isLegal(op.getOperandTypes()); |
| }); |
| } |