[turbofan] A bug fix of loadElimination

[turbofan] A bug fix of loadElimination.

KillFields of an object should remove its cache from all the fields.
Currently, the cache in the front field is kept which is not expected.
This patch fixes it.

Review-Url: https://codereview.chromium.org/2618273002
Cr-Commit-Position: refs/heads/master@{#42388}
Committed: https://chromium.googlesource.com/v8/v8/+/3df428bb927679eb4bde0247f05d4b52848ee92f

[Pan, 2017-01-09 08:32:55]

The CQ bit was checked by pan.deng@intel.com to run a CQ dry run

[commit-bot: I haz the power, 2017-01-09 08:33:05]

Dry run: 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, 2017-01-09 08:57:59]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-01-09 08:58:00]

Dry run: This issue passed the CQ dry run.

[Pan, 2017-01-09 09:15:41]

pan.deng@intel.com changed reviewers:
+ bmeurer@chromium.org

[Pan, 2017-01-09 09:15:42]

@bmeurer,

PTAL
this should be that?

[Benedikt Meurer, 2017-01-09 09:55:49]

Can you add a regression test and add a description of the bug?

[Pan, 2017-01-16 05:48:43]

Description was changed from

==========
[turbofan] Bug fix
Remove object from all fields.
BUG=
==========

to

==========
[turbofan] A bug fix of loadElimination.
KillFields of an object should remove its cache from all the fields.
Currently, the cache in the front field is kept which is not expected.
This patch fixes it.
BUG=
==========

[Benedikt Meurer, 2017-01-16 11:26:00]

Description was changed from

==========
[turbofan] A bug fix of loadElimination.
KillFields of an object should remove its cache from all the fields.
Currently, the cache in the front field is kept which is not expected.
This patch fixes it.
BUG=
==========

to

==========
[turbofan] A bug fix of loadElimination.

KillFields of an object should remove its cache from all the fields.
Currently, the cache in the front field is kept which is not expected.
This patch fixes it.
==========

[Benedikt Meurer, 2017-01-16 11:26:06]

LGTM, thanks.

[Pan, 2017-01-17 02:43:58]

The CQ bit was checked by pan.deng@intel.com

[commit-bot: I haz the power, 2017-01-17 02:44:01]

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, 2017-01-17 03:12:09]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1484621038822800,
"parent_rev": "738cb6a7591465ca7039c70efc1c57ff7fa8da1d", "commit_rev":
"3df428bb927679eb4bde0247f05d4b52848ee92f"}

[commit-bot: I haz the power, 2017-01-17 03:12:14]

Description was changed from

==========
[turbofan] A bug fix of loadElimination.

KillFields of an object should remove its cache from all the fields.
Currently, the cache in the front field is kept which is not expected.
This patch fixes it.
==========

to

==========
[turbofan] A bug fix of loadElimination.

KillFields of an object should remove its cache from all the fields.
Currently, the cache in the front field is kept which is not expected.
This patch fixes it.

Review-Url: https://codereview.chromium.org/2618273002
Cr-Commit-Position: refs/heads/master@{#42388}
Committed:
https://chromium.googlesource.com/v8/v8/+/3df428bb927679eb4bde0247f05d4b52848...
==========

[commit-bot: I haz the power, 2017-01-17 03:12:14]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/3df428bb927679eb4bde0247f05d4b52848...