This patch adds support for sender-aware dispatch in Objective-C for the GNU runtime, when

compiled with -fobjc-sender-dependent-dispatch.  This is used in AOP, COP, implementing object 
planes, and a few other things.
Patch by David Chisnall.

llvm-svn: 72275

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/tools/clang-cc/clang-cc.cpp b/clang/tools/clang-cc/clang-cc.cpp
index f2f05237a2a..5b0f8640349 100644
--- a/clang/tools/clang-cc/clang-cc.cpp
+++ b/clang/tools/clang-cc/clang-cc.cpp
@@ -445,6 +445,10 @@ OverflowChecking("ftrapv",
                  llvm::cl::desc("Trap on integer overflow"),
                  llvm::cl::init(false));
 
+static llvm::cl::opt<bool>
+ObjCSenderDispatch("fobjc-sender-dependent-dispatch",
+				 llvm::cl::desc("Enable sender-dependent dispatch for"
+					 "Objective-C messages"), llvm::cl::init(false));
 
 /// InitializeBaseLanguage - Handle the -x foo options.
 static void InitializeBaseLanguage() {
@@ -827,6 +831,8 @@ static void InitializeLanguageStandard(LangOptions &Options, LangKind LK,
 
   if (ObjCNonFragileABI)
     Options.ObjCNonFragileABI = 1;
+
+  Options.ObjCSenderDispatch = ObjCSenderDispatch;
   
   if (EmitAllDecls)
     Options.EmitAllDecls = 1;