[turbofan] Properly recognize and optimize comparisons with the_hole.

[turbofan] Properly recognize and optimize comparisons with the_hole.

We use comparisons with the_hole to implement temporal dead zones, so we
should also optimize those, as they currently turn into CompareIC calls.

R=jarin@chromium.org

Committed: https://crrev.com/09fb5686e69f11e9b2fea9a19f173f8e40852bfe
Cr-Commit-Position: refs/heads/master@{#32198}

[Benedikt Meurer, 2015-11-24 09:20:43]

Description was changed from

==========
[turbofan] Properly recognize and optimize comparisons with the_hole.

We use comparisons with the_hole to implement temporal dead zones, so we
should also optimize those, as they currently turn into CompareIC calls.
==========

to

==========
[turbofan] Properly recognize and optimize comparisons with the_hole.

We use comparisons with the_hole to implement temporal dead zones, so we
should also optimize those, as they currently turn into CompareIC calls.

R=jarin@chromium.org
==========

[Benedikt Meurer, 2015-11-24 09:21:06]

bmeurer@chromium.org changed reviewers:
+ jarin@chromium.org

[Benedikt Meurer, 2015-11-24 09:21:06]

Hey Jaro,

Here's the_hole patch for typer and typed lowering.
Please take a look.

Thanks,
Benedikt

[Jarin, 2015-11-24 09:49:37]

lgtm

[Benedikt Meurer, 2015-11-24 10:14:13]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2015-11-24 10:14:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1473593002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1473593002/1

[commit-bot: I haz the power, 2015-11-24 10:15:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-24 10:16:01]

Patchset 1 (id:??) landed as
https://crrev.com/09fb5686e69f11e9b2fea9a19f173f8e40852bfe
Cr-Commit-Position: refs/heads/master@{#32198}