Set a special flag in class metadata when an Objective-C class
has ivars that require destruction, but none that require anything
except zero-initialization. This is common in ARC and (when true
throughout a class hierarchy) permits the elimination of an
unnecessary message-send during allocation.
llvm-svn: 166088
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index e9344a1..95753d5 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -2541,7 +2541,7 @@
/*isDefined=*/false, ObjCMethodDecl::Required);
D->addInstanceMethod(DTORMethod);
CodeGenFunction(*this).GenerateObjCCtorDtorMethod(D, DTORMethod, false);
- D->setHasCXXStructors(true);
+ D->setHasDestructors(true);
}
// If the implementation doesn't have any ivar initializers, we don't need
@@ -2565,7 +2565,7 @@
ObjCMethodDecl::Required);
D->addInstanceMethod(CTORMethod);
CodeGenFunction(*this).GenerateObjCCtorDtorMethod(D, CTORMethod, true);
- D->setHasCXXStructors(true);
+ D->setHasNonZeroConstructors(true);
}
/// EmitNamespace - Emit all declarations in a namespace.