Work-in-progess rewrite of thunks: move thunk generation outside of vtable

generation, and make sure we generate thunks when the function is defined
rather than when the vtable is defined.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90722 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 1 deletions

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 8fb03b2d19..5f822f509f 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -621,8 +621,13 @@ void CodeGenModule::EmitGlobalDefinition(GlobalDecl GD) {
                                  Context.getSourceManager(),
                                  "Generating code for declaration");
   
-  if (isa<CXXMethodDecl>(D))
+  if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(D)) {
     getVtableInfo().MaybeEmitVtable(GD);
+    if (MD->isVirtual() && MD->isOutOfLine() &&
+        (!isa<CXXDestructorDecl>(D) || GD.getDtorType() != Dtor_Base)) {
+      BuildThunksForVirtual(GD);
+    }
+  }
   
   if (const CXXConstructorDecl *CD = dyn_cast<CXXConstructorDecl>(D))
     EmitCXXConstructor(CD, GD.getCtorType());