[turbofan] Optimize JSConvertReceiver if we know something about the receiver.

[turbofan] Optimize JSConvertReceiver if we know something about the receiver.

Typed lowering can lower JSConvertReceiver either based on the operator
hints or the (statically) known receiver type.

R=jarin@chromium.org
BUG=chromium:548557, v8:4493, v8:4470
LOG=n

Committed: https://crrev.com/1d0b7bd28a87f340dafc12155ea4904f3e4f853c
Cr-Commit-Position: refs/heads/master@{#31618}

[Benedikt Meurer, 2015-10-28 08:20:22]

Hey Jaro,

This is the initial optimization for JSConvertReceiver.
Please take a look.

Thanks,
Benedikt

[Benedikt Meurer, 2015-10-28 08:27:42]

Description was changed from

==========
[turbofan] Optimize JSConvertReceiver if we know something about the receiver.

Typed lowering can lower JSConvertReceiver either based on the operator
hints or the (statically) known receiver type.

R=jarin@chromium.org
BUG=v8:4493, v8:4470
LOG=n
==========

to

==========
[turbofan] Optimize JSConvertReceiver if we know something about the receiver.

Typed lowering can lower JSConvertReceiver either based on the operator
hints or the (statically) known receiver type.

R=jarin@chromium.org
BUG=chromium:548557, v8:4493, v8:4470
LOG=n
==========

[Jarin, 2015-10-28 08:56:47]

lgtm. (unit test?)

[Benedikt Meurer, 2015-10-28 09:02:09]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2015-10-28 09:02:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1426893002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1426893002/1

[Benedikt Meurer, 2015-10-28 09:03:13]

On 2015/10/28 08:56:47, Jarin wrote:
> lgtm. (unit test?)

As discussed offline: We will only add unit tests now for stuff that is very
unlikely to change. In other words: Don't cement in JavaScript stuff at this
point.

[commit-bot: I haz the power, 2015-10-28 09:03:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-28 09:04:06]

Patchset 1 (id:??) landed as
https://crrev.com/1d0b7bd28a87f340dafc12155ea4904f3e4f853c
Cr-Commit-Position: refs/heads/master@{#31618}