LLVM 18: port to latest master

Fixes: error: 'const class clang::DependentFunctionTemplateSpecializationInfo' has no member named 'getNumTemplates'
marxin · Oct 8, 2023 · eef2b43 · eef2b43
1 parent 4b129f7
commit eef2b43
Showing 1 changed file with 27 additions and 5 deletions.
diff --git a/clang_delta/RemoveUnusedFunction.cpp b/clang_delta/RemoveUnusedFunction.cpp
@@ -215,11 +215,23 @@ bool RUFAnalysisVisitor::VisitFunctionDecl(FunctionDecl *FD)
       FD->getDependentSpecializationInfo();
     // don't need to track all specs, just associate FD with one
     // of those
+    const FunctionDecl *Member = nullptr;
+
+#if LLVM_VERSION_MAJOR >= 18
+    ArrayRef<FunctionTemplateDecl *> members = Info->getCandidates();
+    if (!members.empty()) {
+      Member = members[0]->getTemplatedDecl();
+    }
+#else
     if (Info->getNumTemplates() > 0) {
-      const FunctionDecl *Member =
+      Member =
         Info->getTemplate(0)->getTemplatedDecl();
-      ConsumerInstance->addOneMemberSpecialization(FD, Member);
     }
+#endif
+
+    if (Member != nullptr)
+      ConsumerInstance->addOneMemberSpecialization(FD, Member);
+
     return true;
   }
 
@@ -921,11 +933,21 @@ void RemoveUnusedFunction::handleOneFunctionDecl(const FunctionDecl *TheFD)
       TheFD->getDependentSpecializationInfo();
     // don't need to track all specs, just associate FD with one
     // of those
+    const FunctionDecl *Member = nullptr;
+
+#if LLVM_VERSION_MAJOR >= 18
+    ArrayRef<FunctionTemplateDecl *> members = Info->getCandidates();
+    if (!members.empty()) {
+      Member = members[0]->getTemplatedDecl();
+    }
+#else
     if (Info->getNumTemplates() > 0) {
-      const FunctionDecl *Member =
-        Info->getTemplate(0)->getTemplatedDecl();
-      createFuncToExplicitSpecs(Member);
+      Member = Info->getTemplate(0)->getTemplatedDecl();
     }
+#endif
+
+    if (Member != nullptr)
+      createFuncToExplicitSpecs(Member);
     return;
   }