PassWrapper: Access GlobalValueSummaryInfo::SummaryList via getter for LLVM 22+

llvm/llvm-project#164355 makes SummaryList private and provides a getter method.

@rustbot label llvm-main

Author: aeubanks

compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp

@@ -1220,9 +1220,14 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules, size_t num_modules,
   // being lifted from `lib/LTO/LTO.cpp` as well
   DenseMap<GlobalValue::GUID, const GlobalValueSummary *> PrevailingCopy;
   for (auto &I : Ret->Index) {
-    if (I.second.SummaryList.size() > 1)
+#if LLVM_VERSION_GE(22, 0)
+    const auto &SummaryList = I.second.getSummaryList();
+#else
+    const auto &SummaryList = I.second.SummaryList;
+#endif
+    if (SummaryList.size() > 1)
       PrevailingCopy[I.first] =
-          getFirstDefinitionForLinker(I.second.SummaryList);
+          getFirstDefinitionForLinker(SummaryList);
   }
   auto isPrevailing = [&](GlobalValue::GUID GUID, const GlobalValueSummary *S) {
     const auto &Prevailing = PrevailingCopy.find(GUID);
@@ -1253,7 +1258,12 @@ LLVMRustCreateThinLTOData(LLVMRustThinLTOModule *modules, size_t num_modules,
   // linkage will stay as external, and internal will stay as internal.
   std::set<GlobalValue::GUID> ExportedGUIDs;
   for (auto &List : Ret->Index) {
-    for (auto &GVS : List.second.SummaryList) {
+#if LLVM_VERSION_GE(22, 0)
+    const auto &SummaryList = List.second.getSummaryList();
+#else
+    const auto &SummaryList = List.second.SummaryList;
+#endif
+    for (auto &GVS : SummaryList) {
       if (GlobalValue::isLocalLinkage(GVS->linkage()))
         continue;
       auto GUID = GVS->getOriginalName();