mlir/lib/Conversion/ArithToEmitC/ArithToEmitCPass.cpp

   1 //===- ArithToEmitCPass.cpp - Arith 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 Arith dialect to the EmitC
  10 // dialect.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "mlir/Conversion/ArithToEmitC/ArithToEmitCPass.h"
  15
  16 #include "mlir/Conversion/ArithToEmitC/ArithToEmitC.h"
  17 #include "mlir/Dialect/Arith/IR/Arith.h"
  18 #include "mlir/Dialect/EmitC/IR/EmitC.h"
  19 #include "mlir/Pass/Pass.h"
  20 #include "mlir/Transforms/DialectConversion.h"
  21
  22 namespace mlir {
  23 #define GEN_PASS_DEF_CONVERTARITHTOEMITC
  24 #include "mlir/Conversion/Passes.h.inc"
  25 } // namespace mlir
  26
  27 using namespace mlir;
  28
  29 namespace {
  30 struct ConvertArithToEmitC
  31     : public impl::ConvertArithToEmitCBase<ConvertArithToEmitC> {
  32   void runOnOperation() override;
  33 };
  34 } // namespace
  35
  36 void ConvertArithToEmitC::runOnOperation() {
  37   ConversionTarget target(getContext());
  38
  39   target.addLegalDialect<emitc::EmitCDialect>();
  40   target.addIllegalDialect<arith::ArithDialect>();
  41
  42   RewritePatternSet patterns(&getContext());
  43
  44   TypeConverter typeConverter;
  45   typeConverter.addConversion([](Type type) { return type; });
  46
  47   populateArithToEmitCPatterns(typeConverter, patterns);
  48
  49   if (failed(
  50           applyPartialConversion(getOperation(), target, std::move(patterns))))
  51     signalPassFailure();
  52 }