[llvm-advisor] add specialized analysis endpoints

- implement optimization remarks analysis API

- add diagnostics patterns and compilation phases

- add performance profiling

-implement binary size analysis and optimization

Author: miguelcsx

llvm/tools/llvm-advisor/tools/webserver/api/specialized/__init__.py

@@ -0,0 +1,7 @@
+# ===----------------------------------------------------------------------===//
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+# ===----------------------------------------------------------------------===//

llvm/tools/llvm-advisor/tools/webserver/api/specialized/base_specialized.py

@@ -0,0 +1,36 @@
+# ===----------------------------------------------------------------------===//
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+# ===----------------------------------------------------------------------===//
+
+from typing import Dict, Any
+import sys
+from pathlib import Path
+from ..base import APIResponse
+
+
+class BaseSpecializedEndpoint:
+    """Base class for specialized file-type endpoints"""
+
+    def __init__(self, data_dir: str, collector):
+        self.data_dir = data_dir
+        self.collector = collector
+        self._cache = {}
+
+    def get_compilation_units(self):
+        if "units" not in self._cache:
+            self._cache["units"] = self.collector.discover_compilation_units(
+                self.data_dir
+            )
+        return self._cache["units"]
+
+    def get_parsed_data(self):
+        if "parsed_data" not in self._cache:
+            self._cache["parsed_data"] = self.collector.parse_all_units(self.data_dir)
+        return self._cache["parsed_data"]
+
+    def clear_cache(self):
+        self._cache.clear()