Re: How to create a "finish" function for a tree opt pass

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On 2/29/08 3:15 PM, Haifeng He wrote:

What I did currently was to add my dump routine in
toplev.c:compile_file, after finish_aliases_2
and coverage_finish. I thought it might be nice if there is already
some kind of method defined in the
tree_opt_pass so that user can use to do similar finish-up work.

If you are writing an intra-procedural pass, this is not possible. Your code will be executed once per function in the callgraph.

You can accomplish this if you are implementing an inter-procedural pass. See for instance, pass_ipa_cp.

We don't have finalizer hooks for executing after all the functions have been optimized. You'd have to put your code in cgraph_optimize, maybe. Though where you put it now may be just as good. Though, I think I'd rather see what you're trying to do first. Maybe your pass should be an IPA pass.

Diego.

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