a54f4eae0e
Precursor: https://reviews.llvm.org/D110200 Removed redundant ops from the standard dialect that were moved to the `arith` or `math` dialects. Renamed all instances of operations in the codebase and in tests. Reviewed By: rriddle, jpienaar Differential Revision: https://reviews.llvm.org/D110797
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
//===- Bufferize.cpp - Bufferization for Arithmetic ops ---------*- C++ -*-===//
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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/Transforms/Bufferize.h"
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#include "PassDetail.h"
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#include "mlir/Dialect/Arithmetic/Transforms/Passes.h"
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#include "mlir/Dialect/MemRef/IR/MemRef.h"
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using namespace mlir;
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namespace {
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/// Bufferize arith.index_cast.
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struct BufferizeIndexCastOp : public OpConversionPattern<arith::IndexCastOp> {
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using OpConversionPattern::OpConversionPattern;
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LogicalResult
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matchAndRewrite(arith::IndexCastOp op, OpAdaptor adaptor,
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ConversionPatternRewriter &rewriter) const override {
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auto tensorType = op.getType().cast<RankedTensorType>();
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rewriter.replaceOpWithNewOp<arith::IndexCastOp>(
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op, adaptor.in(),
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MemRefType::get(tensorType.getShape(), tensorType.getElementType()));
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return success();
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}
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};
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/// Pass to bufferize Arithmetic ops.
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struct ArithmeticBufferizePass
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: public ArithmeticBufferizeBase<ArithmeticBufferizePass> {
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void runOnFunction() override {
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BufferizeTypeConverter typeConverter;
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RewritePatternSet patterns(&getContext());
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ConversionTarget target(getContext());
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target.addLegalDialect<arith::ArithmeticDialect, memref::MemRefDialect>();
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arith::populateArithmeticBufferizePatterns(typeConverter, patterns);
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target.addDynamicallyLegalOp<arith::IndexCastOp>(
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[&](arith::IndexCastOp op) {
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return typeConverter.isLegal(op.getType());
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});
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if (failed(
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applyPartialConversion(getFunction(), target, std::move(patterns))))
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signalPassFailure();
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}
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};
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} // end anonymous namespace
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void mlir::arith::populateArithmeticBufferizePatterns(
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BufferizeTypeConverter &typeConverter, RewritePatternSet &patterns) {
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patterns.add<BufferizeIndexCastOp>(typeConverter, patterns.getContext());
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}
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std::unique_ptr<Pass> mlir::arith::createArithmeticBufferizePass() {
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return std::make_unique<ArithmeticBufferizePass>();
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}
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