llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-ssaf

Author: Balázs Benics (steakhal)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/181847.diff


1 Files Affected:

- (modified) 
clang/include/clang/Analysis/Scalable/Serialization/SerializationFormatRegistry.h
 (+19-2) 


``````````diff
diff --git 
a/clang/include/clang/Analysis/Scalable/Serialization/SerializationFormatRegistry.h
 
b/clang/include/clang/Analysis/Scalable/Serialization/SerializationFormatRegistry.h
index d7e77b9b18f77..ef060dd27c522 100644
--- 
a/clang/include/clang/Analysis/Scalable/Serialization/SerializationFormatRegistry.h
+++ 
b/clang/include/clang/Analysis/Scalable/Serialization/SerializationFormatRegistry.h
@@ -7,7 +7,24 @@
 
//===----------------------------------------------------------------------===//
 //
 // Registry for SerializationFormats, and some helper functions.
-// To register some custom serialization format, insert this code:
+//
+// To register some custom serialization format, you will need to add some
+// declarations and defintions.
+//
+// Insert this code to the header file:
+//
+//   namespace llvm {
+//   extern template class CLANG_TEMPLATE_ABI
+//     Registry<clang::ssaf::MyFormat::FormatInfo>;
+//   } // namespace llvm
+//
+// Insert this declaration to the MyFormat class:
+//
+//   using FormatInfo = FormatInfoEntry<SerializerFn, DeserializerFn>;
+//
+// Insert this code to the cpp file:
+//
+//   LLVM_INSTANTIATE_REGISTRY(llvm::Registry<MyFormat::FormatInfo>)
 //
 //   static SerializationFormatRegistry::Add<MyFormat>
 //     RegisterFormat("MyFormat", "My awesome serialization format");
@@ -17,7 +34,7 @@
 //
 //   namespace {
 //   using FormatInfo = MyFormat::FormatInfo;
-//   struct MyAnalysisFormatInfo : FormatInfo {
+//   struct MyAnalysisFormatInfo final : FormatInfo {
 //     MyAnalysisFormatInfo() : FormatInfo{
 //               SummaryName("MyAnalysis"),
 //               serializeMyAnalysis,

``````````

</details>


https://github.com/llvm/llvm-project/pull/181847
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