Switch 'super' from being a weird cast thing to being a predefined expr node.

Patch by David Chisnall with objc rewriter and stmtdumper updates from me.

llvm-svn: 52580

1 files changed, 2 insertions, 6 deletions

diff --git a/clang/lib/Sema/SemaExprObjC.cpp b/clang/lib/Sema/SemaExprObjC.cpp
index 1f21ee0ec57..920457e00c6 100644
--- a/clang/lib/Sema/SemaExprObjC.cpp
+++ b/clang/lib/Sema/SemaExprObjC.cpp
@@ -149,14 +149,10 @@ Sema::ExprResult Sema::ActOnClassMessage(
       return Diag(lbrac, diag::error_no_super_class,
                   CurMethodDecl->getClassInterface()->getName());
     if (CurMethodDecl->isInstance()) {
-      // Synthesize a cast to the super class. This hack allows us to loosely
-      // represent super without creating a special expression node.
-      IdentifierInfo &II = Context.Idents.get("self");
-      ExprResult ReceiverExpr = ActOnIdentifierExpr(S, lbrac, II, false);
       QualType superTy = Context.getObjCInterfaceType(ClassDecl);
       superTy = Context.getPointerType(superTy);
-      ReceiverExpr = ActOnCastExpr(SourceLocation(), superTy.getAsOpaquePtr(),
-                                   SourceLocation(), ReceiverExpr.Val);
+      ExprResult ReceiverExpr = new PreDefinedExpr(SourceLocation(), superTy,
+          PreDefinedExpr::ObjCSuper);
       // We are really in an instance method, redirect.
       return ActOnInstanceMessage(ReceiverExpr.Val, Sel, lbrac, rbrac,
                                   Args, NumArgs);