Index: ARMFastISel.cpp    
===================================================================
--- ARMFastISel.cpp    
+++ ARMFastISel.cpp    
@@ -2195,10 +2195,9 @@
   Type *GVTy = Type::getInt32PtrTy(*Context, /*AS=*/0);
   EVT LCREVT = TLI.getValueType(DL, GVTy);
   if (!LCREVT.isSimple()) return 0;
-
-  GlobalValue *GV = new GlobalVariable(M, Type::getInt32Ty(*Context), false,
-                                       GlobalValue::ExternalLinkage, nullptr,
-                                       Name);
+  GlobalValue *GV = cast <GlobalVariable>(M.getOrInsertGlobal(
+                                         Name.getSingleStringRef(),
+                                         Type::getInt32Ty(*Context)));
   assert(GV->getType() == GVTy && "We miscomputed the type for the global!");
   return ARMMaterializeGV(GV, LCREVT.getSimpleVT());
 }