[tree-ssa] verify_stmts and verify_ssa

[Daniel Berlin]

On Fri, 21 Nov 2003, Jan Hubicka wrote:

> Hi,
> here is version of checking code that I think is good enought for SSA branch.
> With the aliasing and addressof fixes I sent into queue, I can bootstrap with
> verify_stmts enabled (so we don't do any invalid sharing and all produced
> statements are gimple).  These bugs ineed solved the tail recursion issues too,
> so at least the checker seems to be usefull.  verify_ssa is currently passing
> only up to SRA pass.  SRA introduces dead definitions and SSAPRE introduces
> uses not dominated by definitions.


I need a testcase.