From 63d06ab65a9b6f3f2dced57345848adf289bdeb7 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 18 Mar 2009 04:02:57 +0000 Subject: teach codegen to handle noop casts as lvalues. llvm-svn: 67164 --- clang/lib/CodeGen/CGExpr.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'clang/lib/CodeGen') diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index 3ab85686752..b3cf921bc57 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -179,6 +179,19 @@ LValue CodeGenFunction::EmitLValue(const Expr *E) { return EmitCompoundLiteralLValue(cast(E)); case Expr::ChooseExprClass: return EmitLValue(cast(E)->getChosenSubExpr(getContext())); + case Expr::ImplicitCastExprClass: + case Expr::CStyleCastExprClass: + case Expr::CXXFunctionalCastExprClass: + case Expr::CXXStaticCastExprClass: + case Expr::CXXDynamicCastExprClass: + case Expr::CXXReinterpretCastExprClass: + case Expr::CXXConstCastExprClass: + // Casts are only lvalues when the source and destination types are the + // same. + assert(getContext().hasSameUnqualifiedType(E->getType(), + cast(E)->getSubExpr()->getType()) && + "Type changing cast is not an lvalue"); + return EmitLValue(cast(E)->getSubExpr()); } } -- cgit v1.2.3