[compiler-rt] [llvm] [Asan] Add "funclet" OpBundle to generated runtime calls if required by EH personality (PR #82533)

[Vitaly Buka via llvm-commits]

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@@ -642,6 +643,72 @@ static uint64_t GetCtorAndDtorPriority(Triple &TargetTriple) {
 }
 
 namespace {
+/// Helper RAII class to keep track of the inserted asan runtime calls during a
+/// pass on a single Function. Upon end of scope, detects and applies the
+/// required funclet OpBundle.
+class RuntimeCallInserter {
+  Function *OwnerFn = nullptr;
+  bool TrackInsertedCalls = false;
+  std::vector<CallInst *> InsertedCalls;
+
+public:
+  RuntimeCallInserter(Function &Fn) : OwnerFn(&Fn) {
+    if (Fn.hasPersonalityFn()) {
+      auto Personality = classifyEHPersonality(Fn.getPersonalityFn());
+      if (isScopedEHPersonality(Personality))
+        TrackInsertedCalls = true;
+    }
+  }
+
+  ~RuntimeCallInserter() {
+    if (!TrackInsertedCalls || InsertedCalls.empty())
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vitalybuka wrote:

one of these is redundunt
can be used in assert()

https://github.com/llvm/llvm-project/pull/82533