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* [Bug tree-optimization/85509] fails to promote local static to const
[not found] <bug-85509-4@http.gcc.gnu.org/bugzilla/>
@ 2021-08-30 5:28 ` pinskia at gcc dot gnu.org
2021-08-30 7:49 ` [Bug ipa/85509] " rguenth at gcc dot gnu.org
1 sibling, 0 replies; 2+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-08-30 5:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85509
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
For some reason CCP1 is not able to do it but CCP2 can; though CCP2 is after
inlining so IPA so nothing is done with respect to inlining and such.
CCP1 dump:
Visiting statement:
# VUSE <.MEM_13>
PerformSafely.3_3 = _ZZL7RunTestvE13PerformSafelyD.2380;
which is likely CONSTANT
Lattice value changed to VARYING. Adding SSA edges to worklist.
CCP2 dump:
Visiting statement:
# VUSE <.MEM_8>
# PT = nonlocal escaped null
PerformSafely.2_2 = _ZZ7RunTestvE13PerformSafelyD.2379;
which is likely CONSTANT
Lattice value changed to CONSTANT
_Z7PerformIL_ZL9SumSafelyRiRKiEEbS0_S2_D.2380. Adding SSA edges to worklist.
marking stmt to be not simulated again
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug ipa/85509] fails to promote local static to const
[not found] <bug-85509-4@http.gcc.gnu.org/bugzilla/>
2021-08-30 5:28 ` [Bug tree-optimization/85509] fails to promote local static to const pinskia at gcc dot gnu.org
@ 2021-08-30 7:49 ` rguenth at gcc dot gnu.org
1 sibling, 0 replies; 2+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-08-30 7:49 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85509
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2018-04-24 00:00:00 |2021-8-30
Component|tree-optimization |ipa
CC| |marxin at gcc dot gnu.org
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
CCP2 is after IPA promoting the variable 'const', but CCP2 is too late for
inlining (and IPA opts don't do value-numbering to discover the indirect
inline target).
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2021-08-30 7:49 UTC | newest]
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[not found] <bug-85509-4@http.gcc.gnu.org/bugzilla/>
2021-08-30 5:28 ` [Bug tree-optimization/85509] fails to promote local static to const pinskia at gcc dot gnu.org
2021-08-30 7:49 ` [Bug ipa/85509] " rguenth at gcc dot gnu.org
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