From: Fariborz Jahanian <fjahanian@apple.com>
Date: Tue, 24 Feb 2009 23:34:44 +0000 (+0000)
Subject: patch for two things.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=66a5c2c0da225d45334c8062f10e73b7dee50681;p=clang

patch for two things.
make sure objc2's nonfragile abi is enacted for Leopard too.
add -fobjc-gc-only flag to the image_info symbol.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65413 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index b2d4db1844..455cdfa7ca 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -152,11 +152,12 @@ static void GetDarwinLanguageOptions(LangOptions &Opts,
   
   // Blocks default to on for 10.6 (darwin10) and beyond.
   // As does nonfragile-abi for 64bit mode
-  if (Maj > 9) {
+  if (Maj > 9) 
     Opts.Blocks = 1;
+
+  if (Maj >= 9)
     if (Opts.ObjC1 && !strncmp(Triple, "x86_64", 6))
       Opts.ObjCNonFragileABI = 1;
-  }
 }
 
 
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 3dec1dd796..ca12f83a9b 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -3429,9 +3429,11 @@ void CGObjCNonFragileABIMac::FinishNonFragileABIModule() {
   std::vector<llvm::Constant*> Values(2);
   Values[0] = llvm::ConstantInt::get(ObjCTypes.IntTy, 0);
   unsigned int flags = 0;
-  // FIXME -fobjc-gc-only flags is 6.
-  if (CGM.getContext().getLangOptions().getGCMode() != LangOptions::NonGC)
-    flags |= 2;
+  // FIXME: Fix and continue?
+  if (CGM.getLangOptions().getGCMode() != LangOptions::NonGC)
+    flags |= eImageInfo_GarbageCollected;
+  if (CGM.getLangOptions().getGCMode() == LangOptions::GCOnly)
+    flags |= eImageInfo_GCOnly;
   Values[1] = llvm::ConstantInt::get(ObjCTypes.IntTy, flags);
   llvm::Constant* Init = llvm::ConstantArray::get(
                                       llvm::ArrayType::get(ObjCTypes.IntTy, 2),