various cleanups noticed by Frits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135396 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-07-18 16:35:57 +00:00
parent 1419f9206e
commit 22e522e086

View File

@@ -37,9 +37,9 @@ public:
delete V;
}
/// empty() - This vector can be empty if it contains no element, or if it
/// contains a pointer to an empty vector.
bool empty() const {
// This vector can be empty if it contains no element, or if it
// contains a pointer to an empty vector.
if (Val.isNull()) return true;
if (VecTy *Vec = Val.template dyn_cast<VecTy*>())
return Vec->empty();