| 1 | //===- MathToEmitCPass.cpp - Math to EmitC Pass -----------------*- C++ -*-===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | // |
|---|
| 9 | // This file implements a pass to convert the Math dialect to the EmitC dialect. |
|---|
| 10 | // |
|---|
| 11 | //===----------------------------------------------------------------------===// |
|---|
| 12 | |
|---|
| 13 | #include "mlir/Conversion/MathToEmitC/MathToEmitCPass.h" |
|---|
| 14 | #include "mlir/Conversion/MathToEmitC/MathToEmitC.h" |
|---|
| 15 | #include "mlir/Dialect/EmitC/IR/EmitC.h" |
|---|
| 16 | #include "mlir/Dialect/Math/IR/Math.h" |
|---|
| 17 | #include "mlir/Pass/Pass.h" |
|---|
| 18 | #include "mlir/Transforms/DialectConversion.h" |
|---|
| 19 | |
|---|
| 20 | namespace mlir { |
|---|
| 21 | #define GEN_PASS_DEF_CONVERTMATHTOEMITC |
|---|
| 22 | #include "mlir/Conversion/Passes.h.inc" |
|---|
| 23 | } // namespace mlir |
|---|
| 24 | |
|---|
| 25 | using namespace mlir; |
|---|
| 26 | namespace { |
|---|
| 27 | |
|---|
| 28 | // Replaces Math operations with `emitc.call_opaque` operations. |
|---|
| 29 | struct ConvertMathToEmitC |
|---|
| 30 | : public impl::ConvertMathToEmitCBase<ConvertMathToEmitC> { |
|---|
| 31 | using ConvertMathToEmitCBase::ConvertMathToEmitCBase; |
|---|
| 32 | |
|---|
| 33 | public: |
|---|
| 34 | void runOnOperation() final; |
|---|
| 35 | }; |
|---|
| 36 | |
|---|
| 37 | } // namespace |
|---|
| 38 | |
|---|
| 39 | void ConvertMathToEmitC::runOnOperation() { |
|---|
| 40 | ConversionTarget target(getContext()); |
|---|
| 41 | target.addLegalOp<emitc::CallOpaqueOp>(); |
|---|
| 42 | |
|---|
| 43 | target.addIllegalOp<math::FloorOp, math::ExpOp, math::RoundOp, math::CosOp, |
|---|
| 44 | math::SinOp, math::Atan2Op, math::CeilOp, math::AcosOp, |
|---|
| 45 | math::AsinOp, math::AbsFOp, math::PowFOp>(); |
|---|
| 46 | |
|---|
| 47 | RewritePatternSet patterns(&getContext()); |
|---|
| 48 | populateConvertMathToEmitCPatterns(patterns, languageTarget); |
|---|
| 49 | |
|---|
| 50 | if (failed( |
|---|
| 51 | applyPartialConversion(getOperation(), target, std::move(patterns)))) |
|---|
| 52 | signalPassFailure(); |
|---|
| 53 | } |
|---|
| 54 | |
|---|
