[compiler] Support Object.create(null) inlining in TF

[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788
Review-Url: https://codereview.chromium.org/2622723003
Cr-Commit-Position: refs/heads/master@{#42336}
Committed: https://chromium.googlesource.com/v8/v8/+/c60ec4e1112c4ccb304ca584c00a1849ae663799

[Camillo Bruni, 2017-01-10 15:43:20]

Description was changed from

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

BUG=v8:5788
==========

to

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788
==========

[Camillo Bruni, 2017-01-10 15:44:08]

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

[commit-bot: I haz the power, 2017-01-10 15:44:13]

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, 2017-01-10 15:49:43]

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

[commit-bot: I haz the power, 2017-01-10 15:49:44]

Dry run: Try jobs failed on following builders:
  v8_linux64_gyp_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_gyp_rel_ng/build...)

[Camillo Bruni, 2017-01-13 10:47:49]

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

[commit-bot: I haz the power, 2017-01-13 10:48:00]

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

[Camillo Bruni, 2017-01-13 10:51:08]

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

[Camillo Bruni, 2017-01-13 10:51:09]

PTAL

Seems like the GC issues I've observed were unrelated to my changes as they have
disappeared when rebasing.

[Jarin, 2017-01-13 10:59:38]

lgtm (even though I cannot claim I fully understand the stuff in objects.cc).

[Camillo Bruni, 2017-01-13 11:48:46]

On 2017/01/13 at 10:59:38, jarin wrote:
> lgtm (even though I cannot claim I fully understand the stuff in objects.cc).

Yeah that code is rather complex, in this case I just moved it over.

[commit-bot: I haz the power, 2017-01-13 11:53:48]

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

[commit-bot: I haz the power, 2017-01-13 11:53:49]

Dry run: This issue passed the CQ dry run.

[Camillo Bruni, 2017-01-13 12:01:43]

The CQ bit was checked by cbruni@chromium.org

[commit-bot: I haz the power, 2017-01-13 12:01:54]

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, 2017-01-13 12:04:36]

CQ is committing da patch.

Bot data: {"patchset_id": 80001, "attempt_start_ts": 1484308903370560,
"parent_rev": "497a7e4254cda8f5b0013c1545e8884bcc527068", "commit_rev":
"ff7063c7d5d8ad8eafcce3da59e65d7fe2b4f915"}

[commit-bot: I haz the power, 2017-01-13 12:04:41]

Description was changed from

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788
==========

to

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788

Review-Url: https://codereview.chromium.org/2622723003
Cr-Commit-Position: refs/heads/master@{#42321}
Committed:
https://chromium.googlesource.com/v8/v8/+/ff7063c7d5d8ad8eafcce3da59e65d7fe2b...
==========

[commit-bot: I haz the power, 2017-01-13 12:04:45]

Committed patchset #5 (id:80001) as
https://chromium.googlesource.com/v8/v8/+/ff7063c7d5d8ad8eafcce3da59e65d7fe2b...

[Camillo Bruni, 2017-01-13 12:55:48]

A revert of this CL (patchset #5 id:80001) has been created in
https://codereview.chromium.org/2636493003/ by cbruni@chromium.org.

The reason for reverting is: Breaks buildbot:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20-%20avx2/build....

[Camillo Bruni, 2017-01-13 13:25:31]

Description was changed from

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788

Review-Url: https://codereview.chromium.org/2622723003
Cr-Commit-Position: refs/heads/master@{#42321}
Committed:
https://chromium.googlesource.com/v8/v8/+/ff7063c7d5d8ad8eafcce3da59e65d7fe2b...
==========

to

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788
==========

[Camillo Bruni, 2017-01-13 15:00:39]

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

[commit-bot: I haz the power, 2017-01-13 15:00:43]

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, 2017-01-13 15:29:18]

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

[commit-bot: I haz the power, 2017-01-13 15:29:19]

Dry run: This issue passed the CQ dry run.

[Camillo Bruni, 2017-01-13 16:44:44]

The CQ bit was checked by cbruni@chromium.org

[Camillo Bruni, 2017-01-13 16:44:44]

The patchset sent to the CQ was uploaded after l-g-t-m from jarin@chromium.org
Link to the patchset: https://codereview.chromium.org/2622723003/#ps100001
(title: "initializing all object fields")

[commit-bot: I haz the power, 2017-01-13 16:44:58]

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, 2017-01-13 16:47:13]

CQ is committing da patch.

Bot data: {"patchset_id": 100001, "attempt_start_ts": 1484325884199560,
"parent_rev": "936f79d9242c7450efa5a34edbb77404700ac5f3", "commit_rev":
"c60ec4e1112c4ccb304ca584c00a1849ae663799"}

[commit-bot: I haz the power, 2017-01-13 16:47:20]

Description was changed from

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788
==========

to

==========
[compiler] Support Object.create(null) inlining in TF

In the ideal case, this will speed up Object.create(null) by ~10x.

Drive-by-fix: Spread usage of new IsSpecialReceiverMap() and 
              IsSpecialReceiverInstanceType(InstanceType) helpers.

BUG=v8:5788

Review-Url: https://codereview.chromium.org/2622723003
Cr-Commit-Position: refs/heads/master@{#42336}
Committed:
https://chromium.googlesource.com/v8/v8/+/c60ec4e1112c4ccb304ca584c00a1849ae6...
==========

[commit-bot: I haz the power, 2017-01-13 16:47:21]

Committed patchset #6 (id:100001) as
https://chromium.googlesource.com/v8/v8/+/c60ec4e1112c4ccb304ca584c00a1849ae6...