The __weak and __strong defines are common to all darwin targets

and are even set in C mode.  As such, move them to Targets.cpp.

__OBJC_GC__ is also darwin specific, but seems reasonable to always
define it when in objc-gc mode.

This fixes rdar://6761450


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68494 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 8 deletions

diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 9eaf1403a2..139f310e7d 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -500,15 +500,9 @@ static void InitializePredefinedMacros(Preprocessor &PP,
     if (PP.getLangOptions().ObjCNonFragileABI)
       DefineBuiltinMacro(Buf, "__OBJC2__=1");
 
-    if (PP.getLangOptions().getGCMode() == LangOptions::NonGC) {
-      DefineBuiltinMacro(Buf, "__weak=");
-      DefineBuiltinMacro(Buf, "__strong=");
-    } else {
-      DefineBuiltinMacro(Buf, "__weak=__attribute__((objc_gc(weak)))");
-      DefineBuiltinMacro(Buf, "__strong=__attribute__((objc_gc(strong)))");
+    if (PP.getLangOptions().getGCMode() != LangOptions::NonGC)
       DefineBuiltinMacro(Buf, "__OBJC_GC__=1");
-    }
-
+    
     if (PP.getLangOptions().NeXTRuntime)
       DefineBuiltinMacro(Buf, "__NEXT_RUNTIME__=1");
   }