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/Target/TargetLoweringObjectFile.cpp b/lib/Target/TargetLoweringObjectFile.cpp
index b9372d0..dd7b532 100644
--- a/lib/Target/TargetLoweringObjectFile.cpp
+++ b/lib/Target/TargetLoweringObjectFile.cpp
@@ -101,7 +101,7 @@
 
     ConstantInt *Null =
       dyn_cast<ConstantInt>(CVA->getOperand(ATy->getNumElements()-1));
-    if (Null == 0 || Null->getZExtValue() != 0)
+    if (Null == 0 || !Null->isZero())
       return false; // Not null terminated.
 
     // Verify that the null doesn't occur anywhere else in the string.