diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 257a776..e157e58 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -1546,7 +1546,7 @@
                 break;
               }
               
-              FromTy = dyn_cast<DerivedTypeDesc>(FromTy)->getFromType();
+              FromTy = cast<DerivedTypeDesc>(FromTy)->getFromType();
             }
             
             // Unless we have a bit field.
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 4b768c2..9b146ee 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3210,7 +3210,7 @@
 GlobalAddressSDNode::GlobalAddressSDNode(bool isTarget, const GlobalValue *GA,
                                          MVT::ValueType VT, int o)
   : SDNode(isa<GlobalVariable>(GA) &&
-           dyn_cast<GlobalVariable>(GA)->isThreadLocal() ?
+           cast<GlobalVariable>(GA)->isThreadLocal() ?
            // Thread Local
            (isTarget ? ISD::TargetGlobalTLSAddress : ISD::GlobalTLSAddress) :
            // Non Thread Local