Null pointer check elimination

Sat Nov 12 18:33:00 GMT 2005

Per Bothner <per@bothner.com> writes:
| A "function-never-returns-null" attribute doesn't seem like
| the right mechanism. Instead, there should be a "never-null"
| attribute on pointer types. A "function-never-returns-null" is
| just a function whose return-type has the "never-null" attribute.

We already have such mechanism: a reference type -- which morally is
implemented as a pointer type.
-- Gaby