https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
--- Comment #10 from Andrew Pinski ---
(In reply to rsand...@gcc.gnu.org from comment #8)
> This may be worth filing as another PR (let me know if you
> think I should), but another case of VRP stymieing phiopt is:
>
> void bar (int);
> void
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
Andrew Pinski changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
rsandifo at gcc dot gnu.org changed:
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CC||rsandifo at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
--- Comment #7 from Richard Guenther rguenth at gcc dot gnu.org 2012-01-23
10:25:20 UTC ---
(In reply to comment #6)
(In reply to comment #5)
This is the patch which I am testing:
I Have a slightly different one since we should do a few
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
--- Comment #6 from Andrew Pinski pinskia at gcc dot gnu.org 2012-01-22
22:24:43 UTC ---
(In reply to comment #5)
This is the patch which I am testing:
I Have a slightly different one since we should do a few more things before the
mergephi and
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
Andrew Pinski pinskia at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |ASSIGNED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
--- Comment #5 from Andrew Pinski pinskia at gcc dot gnu.org 2012-01-22
00:47:00 UTC ---
This is the patch which I am testing:
Index: gcc/passes.c
===
--- gcc/passes.c(revision
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29333
Andrew Pinski pinskia at gcc dot gnu.org changed:
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CC|gcc-bugs at gcc dot gnu.org |
--- Comment #3 from roberto dot costa at st dot com 2006-10-05 08:15
---
I tested what happens if the first PHI-OPT pass is moved right before the first
VRP pass in gcc/passes.c
It looks like PHI-OPT should be run both before and after VRP and DOM.
The example reported shows that,
--- Comment #2 from pinskia at gcc dot gnu dot org 2006-10-03 16:11 ---
Actually this is a case where jump threading gets in the way of PHI-OPT.
Really PHI-OPT should be put before VRP and DOM, I don't know why it was not.
--
pinskia at gcc dot gnu dot org changed:
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