handle global address constant sdnodes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31323 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
index ad9bfef..cfc27a3 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
@@ -544,8 +544,13 @@
           break;
         case 3: { // Immediate.
           assert(NumVals == 1 && "Unknown immediate value!");
-          uint64_t Val = cast<ConstantSDNode>(Node->getOperand(i))->getValue();
-          MI->addImmOperand(Val);
+          if (ConstantSDNode *CS=dyn_cast<ConstantSDNode>(Node->getOperand(i))){
+            MI->addImmOperand(CS->getValue());
+          } else {
+            GlobalAddressSDNode *GA = 
+              cast<GlobalAddressSDNode>(Node->getOperand(i));
+            MI->addGlobalAddressOperand(GA->getGlobal(), GA->getOffset());
+          }
           ++i;
           break;
         }