[turbofan] compute arguments length in deoptimizer

[turbofan] compute arguments length in deoptimizer

Following the design of https://codereview.chromium.org/2692753004, also compute the arguments length in the deoptimizer sucht that it does not have to be computed in optimized code.

R=bmeurer@chromium.org

Review-Url: https://codereview.chromium.org/2729163002
Cr-Commit-Position: refs/heads/master@{#43587}
Committed: https://chromium.googlesource.com/v8/v8/+/e61ff99104c101a8555c3b9c9232712accaa4ce6

[Tobias Tebbi, 2017-03-03 12:19:11]

I verified it using the modified test-case. What is the name of the Ember
function again?

[Benedikt Meurer, 2017-03-03 12:55:14]

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

[Benedikt Meurer, 2017-03-03 12:55:14]

LGTM from me (maybe as a follow-up CL we could change the bool on the operator
to some enum for clarity). Let's run this by jarin@ too.

[Jarin, 2017-03-03 13:11:15]

lgtm

[Tobias Tebbi, 2017-03-03 13:16:43]

The CQ bit was checked by tebbi@chromium.org

[commit-bot: I haz the power, 2017-03-03 13:16:49]

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, 2017-03-03 13:43:41]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1488547003668110,
"parent_rev": "b7944a5cd514010b228c73b3dc1bba00e2f071cd", "commit_rev":
"e61ff99104c101a8555c3b9c9232712accaa4ce6"}

[commit-bot: I haz the power, 2017-03-03 13:43:46]

Description was changed from

==========
[turbofan] compute arguments length in deoptimizer

Following the design of https://codereview.chromium.org/2692753004, also compute
the arguments length in the deoptimizer sucht that it does not have to be
computed in optimized code.

R=bmeurer@chromium.org
==========

to

==========
[turbofan] compute arguments length in deoptimizer

Following the design of https://codereview.chromium.org/2692753004, also compute
the arguments length in the deoptimizer sucht that it does not have to be
computed in optimized code.

R=bmeurer@chromium.org

Review-Url: https://codereview.chromium.org/2729163002
Cr-Commit-Position: refs/heads/master@{#43587}
Committed:
https://chromium.googlesource.com/v8/v8/+/e61ff99104c101a8555c3b9c9232712acca...
==========

[commit-bot: I haz the power, 2017-03-03 13:43:47]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/e61ff99104c101a8555c3b9c9232712acca...