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RE: Using SSA

From: "Alexander Lamaison" <awl03 at doc dot ic dot ac dot uk>
To: <bonzini at gnu dot org>
Cc: <gcc at gcc dot gnu dot org>
Date: Thu, 22 Mar 2007 11:29:27 -0000
Subject: RE: Using SSA
References: <00c201c76c1d$b4bc5000$1e34f000$@ic.ac.uk> <46023E2D.7030005@lu.unisi.ch>

> > The tree_opt_pass for my pass has PROP_ssa set in the
> properties_required
> > field.  Is this all I need to do?
> 
> You need to put your pass after pass_build_ssa.  Setting PROP_ssa does
> not build SSA itself, but it will cause an assertion failure if the
> pass is run while SSA is (not yet) available.
> 
> Paolo

I think (if I'm correctly interpreting the list in passes.c) it is.  It's
right after pass_warn_function_noreturn, just before pass_mudflap_2.  Is
this right?  I don't get any assertion about SSA not being available.

Thanks.
Alex

Follow-Ups:
- Re: Using SSA
  - From: Paolo Bonzini
- Re: Using SSA
  - From: Daniel Berlin

References:
- Using SSA
  - From: Alexander Lamaison
- Re: Using SSA
  - From: Paolo Bonzini

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