microoptimize this hot method, also making it more
consistent with other similar ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99997 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index fda69ac..f12552d 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -96,9 +96,8 @@
if (DbgNode == 0)
return DIDescriptor();
- if (Elt < DbgNode->getNumOperands() && DbgNode->getOperand(Elt))
- return DIDescriptor(dyn_cast<MDNode>(DbgNode->getOperand(Elt)));
-
+ if (Elt < DbgNode->getNumOperands())
+ return DIDescriptor(dyn_cast_or_null<MDNode>(DbgNode->getOperand(Elt)));
return DIDescriptor();
}