#include "mlir/Transforms/DialectConversion.h"

#include "src/Accelerators/PIM/Conversion/ONNXToSpatial/Common.hpp"
#include "src/Accelerators/PIM/Dialect/Spatial/SpatialOps.hpp"
#include "src/Dialect/ONNX/ONNXOps.hpp"

using namespace mlir;

namespace onnx_mlir {
namespace {

struct ReluToSpatialCompute : OpConversionPattern<ONNXReluOp> {
  using OpConversionPattern::OpConversionPattern;

  LogicalResult
  matchAndRewrite(ONNXReluOp reluOp, ONNXReluOpAdaptor adaptor, ConversionPatternRewriter& rewriter) const override {
    Location loc = reluOp.getLoc();
    Type resultType = reluOp.getResult().getType();
    constexpr size_t numInputs = 1;
    auto computeOp = createSpatCompute<numInputs>(rewriter, loc, resultType, {}, adaptor.getX(), [&](Value x) {
      auto spatReluOp = spatial::SpatReluOp::create(rewriter, loc, resultType, x);
      spatial::SpatYieldOp::create(rewriter, loc, spatReluOp.getResult());
    });
    rewriter.replaceOp(reluOp, computeOp);
    return success();
  }
};

} // namespace

void populateReluPatterns(RewritePatternSet& patterns, MLIRContext* ctx) { patterns.add<ReluToSpatialCompute>(ctx); }

} // namespace onnx_mlir