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Re: [PR54693] loss of debug info in jump threading and loop ivopts
On Sat, Nov 03, 2012 at 02:11:22PM -0200, Alexandre Oliva wrote:
> I didn't try delaying the creation of the pointer set as you did, but
> I'm now thinking using a linear on-stack vector for searches up to some
> size might be even faster than creating the pointer set at the first
> var.
THat would be a nice thing as a follow-up (say up to 8 or 16 decls).
> Propagate debug stmts only after decision to thread.
>
> From: Alexandre Oliva <aoliva@redhat.com>
>
> for gcc/ChangeLog
>
> PR debug/54693
> * tree-ssa-threadedge.c (propagate_threaded_block_debug_into):
> New, rewritten from debug stmt copying code...
> (thread_around_empty_block): ... removed from here.
> (thread_across_edge): Call propagate_threaded_block_debug_into.
Ok, thanks.
Jakub