Use the new ARMConstantPoolSymbol class to handle external symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 2598246..8b91dd0 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -1058,8 +1058,9 @@
       Create(cast<ARMConstantPoolConstant>(ACPV)->getGV(), PCLabelId,
              ARMCP::CPValue, 4);
   else if (ACPV->isExtSymbol())
-    NewCPV = new ARMConstantPoolValue(MF.getFunction()->getContext(),
-                                      ACPV->getSymbol(), PCLabelId, 4);
+    NewCPV = ARMConstantPoolSymbol::
+      Create(MF.getFunction()->getContext(),
+             cast<ARMConstantPoolSymbol>(ACPV)->getSymbol(), PCLabelId, 4);
   else if (ACPV->isBlockAddress())
     NewCPV = ARMConstantPoolConstant::
       Create(cast<ARMConstantPoolConstant>(ACPV)->getBlockAddress(), PCLabelId,