Improve instantiation control for rtti data and allow key functions to
instantiate a class. WIP.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89289 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 0e6f4a6..195acc5 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -616,6 +616,16 @@
Context.getSourceManager(),
"Generating code for declaration");
+ if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(D)) {
+ const CXXRecordDecl *RD = MD->getParent();
+ // We have to convert it to have a record layout.
+ Types.ConvertTagDeclType(RD);
+ const CGRecordLayout &CGLayout = Types.getCGRecordLayout(RD);
+ // A definition of a KeyFunction, generates all the class data, such
+ // as vtable, rtti and the VTT.
+ if (CGLayout.getKeyFunction() == MD)
+ getVtableInfo().GenerateClassData(RD);
+ }
if (const CXXConstructorDecl *CD = dyn_cast<CXXConstructorDecl>(D))
EmitCXXConstructor(CD, GD.getCtorType());
else if (const CXXDestructorDecl *DD = dyn_cast<CXXDestructorDecl>(D))