mlir/lib/Conversion/FuncToEmitC/FuncToEmitCPass.cpp

   1 //===- FuncToEmitCPass.cpp - Func 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 Func dialect to the EmitC dialect.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "mlir/Conversion/FuncToEmitC/FuncToEmitCPass.h"
  14
  15 #include "mlir/Conversion/FuncToEmitC/FuncToEmitC.h"
  16 #include "mlir/Dialect/EmitC/IR/EmitC.h"
  17 #include "mlir/Dialect/Func/IR/FuncOps.h"
  18 #include "mlir/Pass/Pass.h"
  19 #include "mlir/Transforms/DialectConversion.h"
  20
  21 namespace mlir {
  22 #define GEN_PASS_DEF_CONVERTFUNCTOEMITC
  23 #include "mlir/Conversion/Passes.h.inc"
  24 } // namespace mlir
  25
  26 using namespace mlir;
  27
  28 namespace {
  29 struct ConvertFuncToEmitC
  30     : public impl::ConvertFuncToEmitCBase<ConvertFuncToEmitC> {
  31   void runOnOperation() override;
  32 };
  33 } // namespace
  34
  35 void ConvertFuncToEmitC::runOnOperation() {
  36   ConversionTarget target(getContext());
  37
  38   target.addLegalDialect<emitc::EmitCDialect>();
  39   target.addIllegalOp<func::CallOp, func::FuncOp, func::ReturnOp>();
  40
  41   RewritePatternSet patterns(&getContext());
  42   populateFuncToEmitCPatterns(patterns);
  43
  44   if (failed(
  45           applyPartialConversion(getOperation(), target, std::move(patterns))))
  46     signalPassFailure();
  47 }