================
@@ -688,6 +695,36 @@ AnalysisConsumer::getModeForDecl(Decl *D, AnalysisMode
Mode) {
return Mode;
}
+template <typename DeclT>
+static clang::Decl *preferDefinitionImpl(clang::Decl *D) {
+ if (auto *X = dyn_cast<DeclT>(D))
+ if (auto *Def = X->getDefinition())
+ return Def;
+ return D;
+}
+
+template <> clang::Decl *preferDefinitionImpl<ObjCMethodDecl>(clang::Decl *D) {
+ if (const auto *X = dyn_cast<ObjCMethodDecl>(D)) {
+ for (auto *I : X->redecls())
+ if (I->hasBody())
+ return I;
+ }
+ return D;
+}
+
+static Decl *getDefinitionOrCanonicalDecl(Decl *D) {
+ assert(D);
+ D = D->getCanonicalDecl();
+ D = preferDefinitionImpl<VarDecl>(D);
+ D = preferDefinitionImpl<FunctionDecl>(D);
+ D = preferDefinitionImpl<TagDecl>(D);
+ D = preferDefinitionImpl<ObjCMethodDecl>(D);
+ assert(D);
+ return D;
+}
+
----------------
steakhal wrote:
```suggestion
```
I don't think this code is used upstream.
https://github.com/llvm/llvm-project/pull/131175
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