http://reviews.llvm.org/D12572
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@246705
91177308-0d34-0410-b5e6-
96231b3b80d8
metadata name ``<index>`` corresponding to a metadata node with no
entries. The existence of the ``!nonnull`` metadata on the
instruction tells the optimizer that the value loaded is known to
-never be null. This is analogous to the ''nonnull'' attribute
+never be null. This is analogous to the ``nonnull`` attribute
on parameters and return values. This metadata can only be applied
to loads of a pointer type.