Add tile declaration capability in KernelWriter

Resolves: COMPMID-5816

Signed-off-by: Gunes Bayir <gunes.bayir@arm.com>
Change-Id: Ibd885707a842550a058252f9d01e072129896055
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9901
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
diff --git a/compute_kernel_writer/include/ckw/Kernel.h b/compute_kernel_writer/include/ckw/Kernel.h
index 0cab713..54e7ca3 100644
--- a/compute_kernel_writer/include/ckw/Kernel.h
+++ b/compute_kernel_writer/include/ckw/Kernel.h
@@ -25,12 +25,17 @@
 #ifndef CKW_INCLUDE_CKW_KERNEL_H
 #define CKW_INCLUDE_CKW_KERNEL_H
 
-#include "ckw/types/TargetLanguage.h"
 #include <string>
 
 namespace ckw
 {
 
+// Forward Declerations
+class TileInfo;
+class ITileOperand;
+
+enum class TargetLanguage;
+
 /** The kernel that has been emitted by the kernel writer.
  *
  * It contains all the necessary information to compile and execute the kernel.
@@ -38,6 +43,8 @@
 class Kernel
 {
 public:
+    virtual ~Kernel();
+
     /** Initialize a new instance of @ref Kernel class with all emitted kernel information.
      *
      * @param[in] language    The target language of the kernel.
@@ -51,6 +58,9 @@
     /** Get the source code. */
     const std::string &source_code() const;
 
+    /** Add a tile operand */
+    virtual ITileOperand &add_operand(const std::string &name, const TileInfo &tile_info) = 0;
+
 private:
     TargetLanguage _language;
     std::string    _source_code;