abc362a107
Suggested by @lattner in https://discourse.llvm.org/t/rfc-define-precise-arith-semantics/65507/22. Tested with: `ninja check-mlir check-mlir-integration check-mlir-mlir-spirv-cpu-runner check-mlir-mlir-vulkan-runner check-mlir-examples` and `bazel build --config=generic_clang @llvm-project//mlir:all`. Reviewed By: lattner, Mogball, rriddle, jpienaar, mehdi_amini Differential Revision: https://reviews.llvm.org/D134762
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//===- TosaToArithPass.cpp - Lowering Tosa to Linalg Dialect -----------===//
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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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//
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// This transformation pass legalizes Tosa operations to the Arith dialect.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Conversion/TosaToArith/TosaToArith.h"
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#include "mlir/Dialect/Arith/IR/Arith.h"
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#include "mlir/Dialect/Tosa/IR/TosaOps.h"
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#include "mlir/Dialect/Tosa/Transforms/Passes.h"
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#include "mlir/IR/PatternMatch.h"
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#include "mlir/Pass/PassManager.h"
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#include "mlir/Transforms/DialectConversion.h"
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#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
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namespace mlir {
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#define GEN_PASS_DEF_TOSATOARITH
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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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using namespace tosa;
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namespace {
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struct TosaToArith : public impl::TosaToArithBase<TosaToArith> {
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public:
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TosaToArith(TosaToArithOptions &options) : TosaToArithBase(options) {}
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void runOnOperation() override {
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RewritePatternSet patterns(&getContext());
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ConversionTarget target(getContext());
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target.addIllegalOp<tosa::ConstOp>();
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target.addLegalDialect<arith::ArithDialect>();
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mlir::tosa::populateTosaToArithConversionPatterns(&patterns);
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if (this->includeApplyRescale) {
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mlir::tosa::populateTosaRescaleToArithConversionPatterns(&patterns,
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this->use32Bit);
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target.addIllegalOp<tosa::ApplyScaleOp>();
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}
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if (failed(applyPartialConversion(getOperation(), target,
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std::move(patterns))))
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signalPassFailure();
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}
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};
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} // namespace
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std::unique_ptr<Pass> mlir::tosa::createTosaToArith(bool includeApplyRescale,
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bool use32BitApplyRescale) {
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TosaToArithOptions options = {includeApplyRescale, use32BitApplyRescale};
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return std::make_unique<TosaToArith>(options);
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}
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