xe: compute: kernel_ctx: add duplication check

src/gpu/intel/compute/kernel_ctx.hpp

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright 2019-2024 Intel Corporation
+* Copyright 2019-2025 Intel Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@@ -78,7 +78,7 @@ class kernel_ctx_t {
     void use_int32_offset(bool value) { use_int32_offset_ = value; }
 
     void define_int(const char *variable, int64_t value) {
-        int_var_map_.insert({variable, value});
+        set_macro(variable, value, int_var_map_);
     }
 
     void define_int(const std::string &variable, int64_t value) {
@@ -121,13 +121,6 @@ class kernel_ctx_t {
         }
     }
 
-    template <typename T>
-    T get_scalar(const std::string &s) const {
-        UNUSED(s);
-        static_assert(!std::is_same<T, T>::value, "not expected");
-        return {};
-    }
-
     std::string data_type() const {
         if (int_var_map_.count("DT_F16") != 0) return "f16";
 
@@ -179,19 +172,23 @@ class kernel_ctx_t {
         if (attr) { define_int("DETERMINISTIC", attr->deterministic_); }
     }
 
+    template <typename T>
+    void set_macro(const char *variable, const T &value,
+            std::map<std::string, T> &var_map) {
+        gpu_assert(var_map.count(variable) == 0 || var_map[variable] == value)
+                << "Error: macro " << variable
+                << " is already set to a different value.\n  Old value: "
+                << var_map[variable] << "\n  New value: " << value;
+        var_map.insert({variable, value});
+    }
+
     std::map<std::string, int64_t> int_var_map_;
     std::map<std::string, float> float_var_map_;
     std::set<std::string> option_set_;
     std::unordered_map<std::string, std::string> custom_headers_;
     bool use_int32_offset_ = true;
 };
 
-template <>
-inline int64_t kernel_ctx_t::get_scalar(const std::string &name) const {
-    assert(int_var_map_.count(name) != 0 && "not expected");
-    return int_var_map_.at(name);
-}
-
 } // namespace compute
 } // namespace intel
 } // namespace gpu