remove spatial bufferization logic (didn't make much sense) and move channel lowering to SpatialToPim

src/PIM/Conversion/SpatialToPim/Common.hpp

@@ -2,11 +2,16 @@
 
 #include "mlir/Dialect/Tensor/IR/Tensor.h"
 
+#include "llvm/ADT/StringRef.h"
+
 #include "src/Accelerators/PIM/Common/PimCommon.hpp"
 #include "src/Accelerators/PIM/Dialect/Spatial/SpatialOps.hpp"
 
 namespace onnx_mlir {
 
+inline constexpr llvm::StringLiteral kChannelSourceCoreIdAttrName = "precomp_source_core_id";
+inline constexpr llvm::StringLiteral kChannelTargetCoreIdAttrName = "precomp_target_core_id";
+
 /**
  * \brief Get the offset of the ExtractSliceOp based on its static offsets and
  * its static tensor input.
@@ -21,6 +26,14 @@ namespace onnx_mlir {
  */
 size_t getSliceActualOffset(mlir::tensor::ExtractSliceOp& sliceOp, mlir::ShapedType& inputShape);
 
+size_t getShapedTypeSizeInBytes(mlir::ShapedType shapedType);
+
+mlir::IntegerAttr getTensorSizeInBytesAttr(mlir::Builder& builder, mlir::Value value);
+
+mlir::IntegerAttr getSpatialChannelSourceCoreIdAttr(mlir::Builder& builder, mlir::Value channel);
+
+mlir::IntegerAttr getSpatialChannelTargetCoreIdAttr(mlir::Builder& builder, mlir::Value channel);
+
 template <class T>
 size_t rangeLength(const mlir::iterator_range<T> range) {
   return std::distance(range.begin(), range.end());