Improve support for member function pointers.
llvm-svn: 83039
diff --git a/clang/lib/CodeGen/CGExprAgg.cpp b/clang/lib/CodeGen/CGExprAgg.cpp
index f710b03..3bc8c12 100644
--- a/clang/lib/CodeGen/CGExprAgg.cpp
+++ b/clang/lib/CodeGen/CGExprAgg.cpp
@@ -198,6 +198,21 @@
"Implicit cast types must be compatible");
Visit(E->getSubExpr());
break;
+
+ case CastExpr::CK_NullToMemberPointer: {
+ QualType T = E->getType();
+ const llvm::Type *PtrDiffTy =
+ CGF.ConvertType(CGF.getContext().getPointerDiffType());
+
+ llvm::Value *NullValue = llvm::Constant::getNullValue(PtrDiffTy);
+ llvm::Value *Ptr = Builder.CreateStructGEP(DestPtr, 0, "ptr");
+ Builder.CreateStore(NullValue, Ptr, VolatileDest);
+
+ llvm::Value *Adj = Builder.CreateStructGEP(DestPtr, 1, "adj");
+ Builder.CreateStore(NullValue, Adj, VolatileDest);
+
+ break;
+ }
}
}