[turbofan] Inline Array.isArray in JSBuiltinReducer.

[turbofan] Inline Array.isArray in JSBuiltinReducer.

Inline the Array.isArray builtin during typed lowering, which generates
ideal code for the common case (non-JSProxy arg), and use the existing
%ArrayIsArray runtime function for the JSProxy case just like in baseline.

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

Review-Url: https://codereview.chromium.org/2719023002
Cr-Commit-Position: refs/heads/master@{#43453}
Committed: https://chromium.googlesource.com/v8/v8/+/c45da1b47b39a93f12258b2ac427ff83de4f942f

[Benedikt Meurer, 2017-02-27 12:55:38]

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

[commit-bot: I haz the power, 2017-02-27 12:55:47]

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

[Benedikt Meurer, 2017-02-27 13:08:10]

Hey Jaro,

Spotted this one in React / Angular. Pretty simple optimization.
Please take a look.

Thanks,
Benedikt

[Jarin, 2017-02-27 13:28:02]

lgtm

[Benedikt Meurer, 2017-02-27 13:28:52]

The CQ bit was unchecked by bmeurer@chromium.org

[Benedikt Meurer, 2017-02-27 13:28:54]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2017-02-27 13:29:04]

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, 2017-02-27 14:11:11]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1488202134708530, "parent_rev":
"0e21a147db9debe7ba06856d756369f93d65b91d", "commit_rev":
"c45da1b47b39a93f12258b2ac427ff83de4f942f"}

[commit-bot: I haz the power, 2017-02-27 14:11:16]

Description was changed from

==========
[turbofan] Inline Array.isArray in JSBuiltinReducer.

Inline the Array.isArray builtin during typed lowering, which generates
ideal code for the common case (non-JSProxy arg), and use the existing
%ArrayIsArray runtime function for the JSProxy case just like in baseline.

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

to

==========
[turbofan] Inline Array.isArray in JSBuiltinReducer.

Inline the Array.isArray builtin during typed lowering, which generates
ideal code for the common case (non-JSProxy arg), and use the existing
%ArrayIsArray runtime function for the JSProxy case just like in baseline.

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

Review-Url: https://codereview.chromium.org/2719023002
Cr-Commit-Position: refs/heads/master@{#43453}
Committed:
https://chromium.googlesource.com/v8/v8/+/c45da1b47b39a93f12258b2ac427ff83de4...
==========

[commit-bot: I haz the power, 2017-02-27 14:11:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/c45da1b47b39a93f12258b2ac427ff83de4...