Reverting r56249. On further investigation, this functionality isn't needed.

Apologies for the thrashing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56251 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelDAGToDAG.cpp b/lib/Target/Mips/MipsISelDAGToDAG.cpp
index 82c20f7..a408a96 100644
--- a/lib/Target/Mips/MipsISelDAGToDAG.cpp
+++ b/lib/Target/Mips/MipsISelDAGToDAG.cpp
@@ -159,7 +159,7 @@
       return true;
     }
   } else {
-    if ((Addr.getOpcode() == ISD::TargetSymbol ||
+    if ((Addr.getOpcode() == ISD::TargetExternalSymbol ||
         Addr.getOpcode() == ISD::TargetGlobalAddress))
       return false;
   }    
@@ -354,7 +354,7 @@
         SDValue InFlag(0, 0);
 
         if ( (isa<GlobalAddressSDNode>(Callee)) ||
-             (isa<SymbolSDNode>(Callee)) )
+             (isa<ExternalSymbolSDNode>(Callee)) )
         {
           /// Direct call for global addresses and external symbols
           SDValue GPReg = CurDAG->getRegister(Mips::GP, MVT::i32);
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index b1fe262..557a105 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -684,14 +684,14 @@
     InFlag = Chain.getValue(1);
   }
 
-  // If the callee is a GlobalAddress/Symbol node (quite common, every direct
-  // call is) turn it into a TargetGlobalAddress/TargetSymbol node so that
-  // legalize doesn't hack it.
+  // If the callee is a GlobalAddress/ExternalSymbol node (quite common, every
+  // direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol 
+  // node so that legalize doesn't hack it. 
   if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) 
     Callee = DAG.getTargetGlobalAddress(G->getGlobal(), getPointerTy());
-  else if (SymbolSDNode *S = dyn_cast<SymbolSDNode>(Callee))
-    Callee = DAG.getTargetSymbol(S->getSymbol(), getPointerTy(),
-                                 S->getLinkage());
+  else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(Callee))
+    Callee = DAG.getTargetExternalSymbol(S->getSymbol(), getPointerTy());
+
 
   // MipsJmpLink = #chain, #target_address, #opt_in_flags...
   //             = Chain, Callee, Reg#1, Reg#2, ...