[clang] [clang][ssaf] Add whole-program analysis execution layer (PR #186813)

[Aviral Goel via cfe-commits]

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@@ -0,0 +1,100 @@
+//===- AnalysisRegistry.h -------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Unified registry for both SummaryAnalysis and DerivedAnalysis subclasses.
+//
+// To register an analysis, add a static Add<AnalysisT> in its translation
+// unit:
+//
+//   static AnalysisRegistry::Add<MyAnalysis>
+//       Registered("One-line description of MyAnalysis");
+//
+// The registry entry name is derived automatically from
+// MyAnalysis::analysisName(), so name-mismatch bugs are impossible.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_SCALABLESTATICANALYSISFRAMEWORK_CORE_ANALYSIS_ANALYSISREGISTRY_H
+#define LLVM_CLANG_SCALABLESTATICANALYSISFRAMEWORK_CORE_ANALYSIS_ANALYSISREGISTRY_H
+
+#include "clang/ScalableStaticAnalysisFramework/Core/Analysis/AnalysisName.h"
+#include "clang/ScalableStaticAnalysisFramework/Core/Analysis/DerivedAnalysis.h"
+#include "clang/ScalableStaticAnalysisFramework/Core/Analysis/SummaryAnalysis.h"
+#include "clang/ScalableStaticAnalysisFramework/Core/Support/ErrorBuilder.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/Registry.h"
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace clang::ssaf {
+
+/// Unified registry for SummaryAnalysis and DerivedAnalysis implementations.
+///
+/// Internally uses a single llvm::Registry<AnalysisBase>. The correct kind
+/// is carried by the AnalysisBase::TheKind tag set in each subclass
+/// constructor.
+class AnalysisRegistry {
+  using RegistryT = llvm::Registry<AnalysisBase>;
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aviralg wrote:

Also used in instantiate method. 

https://github.com/llvm/llvm-project/pull/186813