[objcarcopts] Encapsulate PtrState.RRI.CFGHazardAfflicted via methods PtrState.{IsCFGHazardAfflicted,SetCFGHazardAfflicted}.

llvm-svn: 184582
diff --git a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index 8ef08af..c695309 100644
--- a/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/llvm/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -555,6 +555,14 @@
       RRI.ReleaseMetadata = NewValue;
     }
 
+    bool IsCFGHazardAfflicted() const {
+      return RRI.CFGHazardAfflicted;
+    }
+
+    void SetCFGHazardAfflicted(const bool NewValue) {
+      RRI.CFGHazardAfflicted = NewValue;
+    }
+
     void SetKnownPositiveRefCount() {
       DEBUG(dbgs() << "Setting Known Positive.\n");
       KnownPositiveRefCount = true;
@@ -1752,7 +1760,7 @@
       S.ClearSequenceProgress();
       break;
     }
-    S.RRI.CFGHazardAfflicted = true;
+    S.SetCFGHazardAfflicted(true);
     ShouldContinue = true;
     break;
   }
@@ -1894,7 +1902,7 @@
       // safe, stop code motion. This is because whether or not it is safe to
       // remove RR pairs via KnownSafe is an orthogonal concept to whether we
       // are allowed to perform code motion.
-      S.RRI.CFGHazardAfflicted = true;
+      S.SetCFGHazardAfflicted(true);
     }
   }
 }