avoid a lot of unneeded selector processing work by passing around
selectors instead of Value*'s.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52760 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index 47bbd88..ce49cb2 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -490,14 +490,9 @@
     }
   }
 
-  // Get the selector string
-  std::string SelStr = E->getSelector().getName();
-  llvm::Constant *Selector = CGF.CGM.GetAddrOfConstantString(SelStr);
-
-  llvm::Value *SelPtr = Builder.CreateStructGEP(Selector, 0);
   return Runtime->GenerateMessageSend(Builder, ConvertType(E->getType()),
                                       CGF.LoadObjCSelf(),
-                                      Receiver, SelPtr,
+                                      Receiver, E->getSelector(),
                                       &Args[0], Args.size());
 }