Minor simplifications.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92390 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp
index 1c7e5d0..42cedf2 100644
--- a/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -1240,7 +1240,7 @@
                           const DagInit& d,
                           const OptionDescriptions& OptDescs,
                           raw_ostream& O) {
-  const ListInit& L = *static_cast<ListInit*>(d.getArg(0));
+  const ListInit& L = InitPtrToList(d.getArg(0));
 
   if (TestName == "any_switch_on") {
     EmitListTest(L, "||", EmitSwitchOn(OptDescs), O);