Add declare_constant_tile API function in CKW

Resolves: COMPMID-6535

Change-Id: I07d8aca96a0fcbd624f828b24513ee0500a14a74
Signed-off-by: Gunes Bayir <gunes.bayir@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/10200
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/compute_kernel_writer/include/ckw/types/ConstantData.h b/compute_kernel_writer/include/ckw/types/ConstantData.h
new file mode 100644
index 0000000000..95425b2c65
--- /dev/null
+++ b/compute_kernel_writer/include/ckw/types/ConstantData.h
@@ -0,0 +1,89 @@
+/*
+ * 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_TYPES_CONSTANTDATA_H
+#define CKW_INCLUDE_CKW_TYPES_CONSTANTDATA_H
+
+#include "ckw/Error.h"
+#include "ckw/types/DataType.h"
+
+#include <algorithm>
+#include <cstdint>
+#include <initializer_list>
+#include <iomanip>
+#include <iterator>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <vector>
+
+namespace ckw
+{
+// Forward Declarations
+class KernelWriter;
+
+class ConstantData
+{
+    using String = std::string;
+    using StringVector = std::vector<String>;
+
+public:
+    /** Templated constructor */
+    template<typename T>
+    ConstantData(std::initializer_list<std::initializer_list<T>> values, DataType data_type);
+
+private:
+    /** Validate the given data type and the template type
+     *
+     * @param[in] data_type data type
+     *
+     * @return true if user provided data type and the template type are conformant
+     */
+    template<typename T>
+    bool validate(DataType data_type);
+
+    /** Get the constant data as a 2d vector of string values
+     *
+     * @return a 2d vector of strings that has the string-converted values
+     */
+    const std::vector<StringVector>& values() const;
+
+    /** Get the underlying data type of the constant values
+     *
+     * @return a @ref ckw::DataType object that represents the underlying data type
+     */
+    DataType data_type() const;
+
+    // Friends
+    friend class KernelWriter;
+
+private:
+    // Data members
+    std::vector<StringVector> _values{};
+    DataType _data_type{};
+};
+
+} // namespace ckw
+
+#endif // CKW_INCLUDE_CKW_TYPES_CONSTANTDATA_H