[PATCH][mem-ref2] Fixup some ICEs, fix simple IPA analysis passes

[Richard Guenther]

On Sat, 27 Mar 2010, Toon Moene wrote:

> Richard Guenther wrote:
> 
> > Bootstrapped and tested on x86_64-unknown-linux-gnu, applied to the
> > branch.
> 
> [ This might be wrong-headed ... ]
> 
> Is the MEM_REF tree a way to carry alignment information (thus simplifying
> vectorization) ?

No.  Alignent information will be recorded in the SSA_NAME_PTR_INFO
structures.  Will be, once implemented ;)

Richard.