add nocapture attribute to llvm.mem* intrinsics and have tblgen

parse them.  tblgen doesn't yet do anything with this info though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62065 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/CodeGenTarget.cpp

@@ -546,7 +546,10 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
       ModRef = WriteMem;
     else if (Property->getName() == "Commutative")
       isCommutative = true;
-    else
+    else if (Property->isSubClassOf("NoCapture")) {
+      unsigned ArgNo = Property->getValueAsInt("ArgNo");
+      ArgumentAttributes.push_back(std::make_pair(ArgNo, NoCapture));
+    } else
       assert(0 && "Unknown property!");
   }
 }