[turbofan] Narrow type of Phis during JSTypedLowering.

[turbofan] Narrow type of Phis during JSTypedLowering.

Try to narrow types of Phis further during JSTypedLowering, because
lowering based on types might create further opportunities for improving
the types.

R=jarin@chromium.org
BUG=v8:5267
Committed: https://crrev.com/0da5b8222b623e5c975e4552ce7cd42cbe56ec1a
Cr-Commit-Position: refs/heads/master@{#38895}

[Benedikt Meurer, 2016-08-25 09:06:40]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-08-25 09:06:49]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Benedikt Meurer, 2016-08-25 09:07:31]

Hey Jaro,

Here's the narrowing for Phis. Helps NavierStokes quite a bit (due to the
context loads that otherwise pollute the nice numberness of the additions).
Please take a look.

Thanks,
Benedikt

[Jarin, 2016-08-25 09:12:35]

lgtm

[Benedikt Meurer, 2016-08-25 09:12:48]

The CQ bit was unchecked by bmeurer@chromium.org

[Benedikt Meurer, 2016-08-25 09:13:00]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-08-25 09:13:12]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-25 09:36:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-25 09:36:33]

Description was changed from

==========
[turbofan] Narrow type of Phis during JSTypedLowering.

Try to narrow types of Phis further during JSTypedLowering, because
lowering based on types might create further opportunities for improving
the types.

R=jarin@chromium.org
BUG=v8:5267
==========

to

==========
[turbofan] Narrow type of Phis during JSTypedLowering.

Try to narrow types of Phis further during JSTypedLowering, because
lowering based on types might create further opportunities for improving
the types.

R=jarin@chromium.org
BUG=v8:5267

Committed: https://crrev.com/0da5b8222b623e5c975e4552ce7cd42cbe56ec1a
Cr-Commit-Position: refs/heads/master@{#38895}
==========

[commit-bot: I haz the power, 2016-08-25 09:36:34]

Patchset 1 (id:??) landed as
https://crrev.com/0da5b8222b623e5c975e4552ce7cd42cbe56ec1a
Cr-Commit-Position: refs/heads/master@{#38895}