SIMPLE: A language-independent tree IR

[Richard Henderson]

On Wed, Jan 02, 2002 at 02:46:28PM -0700, Tom Tromey wrote:
> Why do we need all those trees when we already have _EXPR versions of
> them?

We should get rid of the EXPR versions.  A goto is not an expression
in any language that we're targeting, nor do we derive any benefit
from considering them expressions.

> Would we need to preserve VTABLE_REF trees in order to keep vtable GC
> working?  (gcj doesn't use this yet, but maybe some day it will.)

Yes.


r~