From: Mike Stump <mrs@apple.com>
Date: Tue, 10 Nov 2009 19:13:04 +0000 (+0000)
Subject: Only generate a VTT for classes that need a VTT.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f1c03338def80031dfea27a2e32624a794c0a187;p=clang

Only generate a VTT for classes that need a VTT.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86699 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGVtable.cpp b/lib/CodeGen/CGVtable.cpp
index 3799695b90..636639d05e 100644
--- a/lib/CodeGen/CGVtable.cpp
+++ b/lib/CodeGen/CGVtable.cpp
@@ -733,6 +733,10 @@ public:
 };
 
 llvm::Constant *CodeGenModule::GenerateVTT(const CXXRecordDecl *RD) {
+  // Only classes that have virtual bases need a VTT.
+  if (RD->getNumVBases() == 0)
+    return 0;
+
   llvm::SmallString<256> OutName;
   llvm::raw_svector_ostream Out(OutName);
   mangleCXXVTT(getMangleContext(), RD, Out);