[crankshaft] Support ES6 tail call elimination.

[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do not disable Crankshaft.

TBR=bmeurer@chromium.org
BUG=v8:4698
LOG=N

Committed: https://crrev.com/22938040fdb9a061babe96f004355fd79b2958a0
Cr-Commit-Position: refs/heads/master@{#34542}

[Igor Sheludko, 2016-03-04 09:33:05]

Description was changed from

==========
WIP: [crankshaft] Support ES6 tail call elimination.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

BUG=v8:4698
LOG=N
==========

to

==========
WIP: [crankshaft] Support ES6 tail call elimination.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usage of "arguments" object does
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

[Igor Sheludko, 2016-03-04 09:34:02]

Patchset #1 (id:1) has been deleted

[Igor Sheludko, 2016-03-04 09:34:08]

Patchset #1 (id:20001) has been deleted

[Igor Sheludko, 2016-03-04 09:38:30]

Description was changed from

==========
WIP: [crankshaft] Support ES6 tail call elimination.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usage of "arguments" object does
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

to

==========
WIP: [crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usage of "arguments" object does
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

[Igor Sheludko, 2016-03-04 09:56:31]

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

[Igor Sheludko, 2016-03-04 09:56:31]

PTAL x64 part. Ports are on the way.

[Igor Sheludko, 2016-03-04 10:02:26]

ishell@chromium.org changed reviewers:
+ mstarzinger@chromium.org

[Igor Sheludko, 2016-03-04 10:02:26]

Michi, PTAL x64 part. Ports are on the way.

[Igor Sheludko, 2016-03-05 00:26:26]

Patchset #5 (id:120001) has been deleted

[Igor Sheludko, 2016-03-05 00:26:36]

Patchset #4 (id:100001) has been deleted

[Igor Sheludko, 2016-03-05 00:26:51]

Patchset #3 (id:80001) has been deleted

[Igor Sheludko, 2016-03-05 00:29:11]

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

[commit-bot: I haz the power, 2016-03-05 00:29:22]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1760253003/140001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1760253003/140001

[commit-bot: I haz the power, 2016-03-05 00:49:52]

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

[commit-bot: I haz the power, 2016-03-05 00:49:53]

Dry run: This issue passed the CQ dry run.

[Igor Sheludko, 2016-03-07 07:52:13]

Description was changed from

==========
WIP: [crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usage of "arguments" object does
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

to

==========
WIP: [crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

[Igor Sheludko, 2016-03-07 07:52:41]

Description was changed from

==========
WIP: [crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

to

==========
[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

[Igor Sheludko, 2016-03-07 09:05:47]

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

[commit-bot: I haz the power, 2016-03-07 09:05:50]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1760253003/160001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1760253003/160001

[Igor Sheludko, 2016-03-07 11:00:23]

Patchset #6 (id:200001) has been deleted

[Igor Sheludko, 2016-03-07 11:16:35]

Patchset #5 (id:180001) has been deleted

[Igor Sheludko, 2016-03-07 11:27:52]

Patchset #5 (id:220001) has been deleted

[Igor Sheludko, 2016-03-07 11:28:21]

Patchset #5 (id:220001) has been deleted

[Igor Sheludko, 2016-03-07 11:29:38]

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

[commit-bot: I haz the power, 2016-03-07 11:29:40]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1760253003/240001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1760253003/240001

[commit-bot: I haz the power, 2016-03-07 11:51:46]

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

[commit-bot: I haz the power, 2016-03-07 11:51:47]

Dry run: This issue passed the CQ dry run.

[Michael Starzinger, 2016-03-07 13:51:45]

LGTM.

https://codereview.chromium.org/1760253003/diff/240001/test/mjsunit/es6/tail-...
File test/mjsunit/es6/tail-call-megatest.js (right):

https://codereview.chromium.org/1760253003/diff/240001/test/mjsunit/es6/tail-...
test/mjsunit/es6/tail-call-megatest.js:48: // Check arguements manually to avoid
bailing out with reason "bad value
nit: s/arguements/arguments/

https://codereview.chromium.org/1760253003/diff/240001/test/mjsunit/es6/tail-...
test/mjsunit/es6/tail-call-megatest.js:278: `  // Aviod bailing out because of
"Reference to a variable which requires dynamic lookup".`,
nit: s/Aviod/Avoid/

[Igor Sheludko, 2016-03-07 13:57:30]

Description was changed from

==========
[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

BUG=v8:4698
LOG=N
==========

to

==========
[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

TBR=bmeurer@chromium.org
BUG=v8:4698
LOG=N
==========

[Igor Sheludko, 2016-03-07 13:57:51]

Landing...

https://codereview.chromium.org/1760253003/diff/240001/test/mjsunit/es6/tail-...
File test/mjsunit/es6/tail-call-megatest.js (right):

https://codereview.chromium.org/1760253003/diff/240001/test/mjsunit/es6/tail-...
test/mjsunit/es6/tail-call-megatest.js:48: // Check arguements manually to avoid
bailing out with reason "bad value
On 2016/03/07 13:51:45, Michael Starzinger wrote:
> nit: s/arguements/arguments/

Done.

https://codereview.chromium.org/1760253003/diff/240001/test/mjsunit/es6/tail-...
test/mjsunit/es6/tail-call-megatest.js:278: `  // Aviod bailing out because of
"Reference to a variable which requires dynamic lookup".`,
On 2016/03/07 13:51:45, Michael Starzinger wrote:
> nit: s/Aviod/Avoid/

Done.

[Igor Sheludko, 2016-03-07 13:57:59]

The CQ bit was checked by ishell@chromium.org

[Igor Sheludko, 2016-03-07 13:58:00]

The patchset sent to the CQ was uploaded after l-g-t-m from
mstarzinger@chromium.org
Link to the patchset: https://codereview.chromium.org/1760253003/#ps260001
(title: "Addressing comments")

[commit-bot: I haz the power, 2016-03-07 13:58:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1760253003/260001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1760253003/260001

[commit-bot: I haz the power, 2016-03-07 14:34:06]

Description was changed from

==========
[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

TBR=bmeurer@chromium.org
BUG=v8:4698
LOG=N
==========

to

==========
[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

TBR=bmeurer@chromium.org
BUG=v8:4698
LOG=N
==========

[commit-bot: I haz the power, 2016-03-07 14:34:07]

Committed patchset #6 (id:260001)

[commit-bot: I haz the power, 2016-03-07 14:34:58]

Description was changed from

==========
[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

TBR=bmeurer@chromium.org
BUG=v8:4698
LOG=N
==========

to

==========
[crankshaft] Support ES6 tail call elimination.

HInvokeFunction and HApplyArguments instructions now support tail calling.

Inlining of calls at tail position is not supported yet and therefore still
disabled.

The tail-call-megatest was modified so that the usages of "arguments" object do
not disable Crankshaft.

TBR=bmeurer@chromium.org
BUG=v8:4698
LOG=N

Committed: https://crrev.com/22938040fdb9a061babe96f004355fd79b2958a0
Cr-Commit-Position: refs/heads/master@{#34542}
==========

[commit-bot: I haz the power, 2016-03-07 14:35:00]

Patchset 6 (id:??) landed as
https://crrev.com/22938040fdb9a061babe96f004355fd79b2958a0
Cr-Commit-Position: refs/heads/master@{#34542}