Add kernel argument emitting

Resolves: COMPMID-6391
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: I0d54d99ffad275400c6da7fe16deb544553060eb
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10004
Reviewed-by: Anitha Raj <Anitha.Raj@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

2 files changed, 108 insertions, 6 deletions

diff --git a/compute_kernel_writer/include/ckw/Kernel.h b/compute_kernel_writer/include/ckw/Kernel.h
index d93ed6f1d3..dc0cad5503 100644
--- a/compute_kernel_writer/include/ckw/Kernel.h
+++ b/compute_kernel_writer/include/ckw/Kernel.h
@@ -25,7 +25,9 @@
 #ifndef CKW_INCLUDE_CKW_KERNEL_H
 #define CKW_INCLUDE_CKW_KERNEL_H
 
+#include "ckw/KernelArgument.h"
 #include <string>
+#include <vector>
 
 namespace ckw
 {
@@ -48,22 +50,24 @@ public:
     /** Initialize a new instance of @ref Kernel class with all emitted kernel information.
      *
      * @param[in] language    The target language of the kernel.
+     * @param[in] arguments   The list of kernel arguments.
      * @param[in] source_code The source code of the kernel.
      */
-    Kernel(TargetLanguage language, const std::string &source_code);
+    Kernel(TargetLanguage language, const std::vector<KernelArgument> &arguments, const std::string &source_code);
 
     /** Get the target language. */
     TargetLanguage target_language() const;
 
+    /** Get the list of arguments. */
+    const std::vector<KernelArgument> &arguments() const;
+
     /** Get the source code. */
     const std::string &source_code() const;
 
-    /** Add a tile operand */
-    virtual TileOperand &add_operand(const std::string &name, const TileInfo &tile_info) = 0;
-
 private:
-    TargetLanguage _language;
-    std::string    _source_code;
+    TargetLanguage              _language;
+    std::vector<KernelArgument> _arguments;
+    std::string                 _source_code;
 };
 
 } // namespace ckw
diff --git a/compute_kernel_writer/include/ckw/KernelArgument.h b/compute_kernel_writer/include/ckw/KernelArgument.h
new file mode 100644
index 0000000000..530e2920eb
--- /dev/null
+++ b/compute_kernel_writer/include/ckw/KernelArgument.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef CKW_INCLUDE_CKW_KERNELARGUMENT_H
+#define CKW_INCLUDE_CKW_KERNELARGUMENT_H
+
+#include "ckw/types/TensorComponentType.h"
+#include "ckw/types/TensorStorageType.h"
+#include <cstdint>
+
+namespace ckw
+{
+
+/** A kernel argument which can be either a tensor storage or a tensor component. */
+class KernelArgument
+{
+public:
+    /** The type of kernel argument. */
+    enum class Type : int32_t
+    {
+        /** The argument that provides the read and/or write access to the tensor data.
+         *
+         * See @ref ckw::TensorStorageType to see the list of supported storage type.
+         */
+        TensorStorage,
+
+        /** The argument that provides extra information about the tensor.
+         *
+         * See @ref ckw::TensorComponentType to see the list of supported component.
+         */
+        TensorComponent,
+    };
+
+    /** Initialize a new instance of kernel argument class for a tensor storage argument. */
+    KernelArgument(int32_t tensor_id, TensorStorageType storage_type);
+
+    /** Initialize a new instance of kernel argument class for a tensor component argument. */
+    KernelArgument(int32_t tensor_id, TensorComponentType component_type);
+
+    /** Get the type of kernel argument. */
+    Type type() const;
+
+    /** Get the argument ID.
+     *
+     * This method can be used to get the tensor info ID of both tensor storage and tensor component arguments.
+     */
+    int32_t id() const;
+
+    /** Get the type of tensor storage.
+     *
+     * This method can only be used for tensor storage argument.
+     */
+    TensorStorageType tensor_storage_type() const;
+
+    /** Get the tensor component type.
+     *
+     * This method can only be used for tensor component argument.
+     */
+    TensorComponentType tensor_component_type() const;
+
+private:
+    Type    _type;
+    int32_t _id;
+
+    union SubId
+    {
+        int32_t             unknown;
+        TensorStorageType   tensor_storage_type;
+        TensorComponentType tensor_component_type;
+    };
+
+    SubId _sub_id{ 0 };
+};
+
+} // namespace ckw
+
+#endif // CKW_INCLUDE_CKW_KERNELARGUMENT_H