Currently, instead of showing up as link, it is rendered as
...of FunctionPass <writing-an-llvm-pass-FunctionPass>. The...
PR17733. Patch by Tay Ray Chuan!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193698
91177308-0d34-0410-b5e6-
96231b3b80d8
struct Hello : public FunctionPass {
-This declares a "``Hello``" class that is a subclass of `FunctionPass
+This declares a "``Hello``" class that is a subclass of :ref:`FunctionPass
<writing-an-llvm-pass-FunctionPass>`. The different builtin pass subclasses
are described in detail :ref:`later <writing-an-llvm-pass-pass-classes>`, but
for now, know that ``FunctionPass`` operates on a function at a time.