Eliminate unnecessary uses of getZExtValue().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106279 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/DwarfEHPrepare.cpp b/lib/CodeGen/DwarfEHPrepare.cpp
index 399fb8d..6673931 100644
--- a/lib/CodeGen/DwarfEHPrepare.cpp
+++ b/lib/CodeGen/DwarfEHPrepare.cpp
@@ -210,7 +210,7 @@
       if (Val + 4 == NumOps) {
         if (ConstantInt *FinalVal =
             dyn_cast<ConstantInt>(II->getOperand(NumOps - 1)))
-          return (FinalVal->getZExtValue() == 0);
+          return FinalVal->isZero();
       }
     }
   }