[turbofan] Eliminate redundant elements kind transitions.

[turbofan] Eliminate redundant elements kind transitions.

A TransitionElementsKind operation is redundant if we already know that
the object has the target_map (independent of what the source_map might
be).

R=yangguo@chromium.org

Committed: https://crrev.com/e6e32315ccf7d30b1c8a7946f9940e4aaf2fe9c7
Cr-Commit-Position: refs/heads/master@{#38597}

[Benedikt Meurer, 2016-08-12 05:52:24]

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

[commit-bot: I haz the power, 2016-08-12 05:52:36]

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, 2016-08-12 06:12:24]

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

[commit-bot: I haz the power, 2016-08-12 06:12:25]

Dry run: This issue passed the CQ dry run.

[Yang, 2016-08-12 06:36:51]

On 2016/08/12 05:52:23, Benedikt Meurer wrote:

lgtm.

[Benedikt Meurer, 2016-08-12 06:50:32]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-08-12 06:50:40]

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, 2016-08-12 06:52:24]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-12 06:52:41]

Description was changed from

==========
[turbofan] Eliminate redundant elements kind transitions.

A TransitionElementsKind operation is redundant if we already know that
the object has the target_map (independent of what the source_map might
be).

R=yangguo@chromium.org
==========

to

==========
[turbofan] Eliminate redundant elements kind transitions.

A TransitionElementsKind operation is redundant if we already know that
the object has the target_map (independent of what the source_map might
be).

R=yangguo@chromium.org

Committed: https://crrev.com/e6e32315ccf7d30b1c8a7946f9940e4aaf2fe9c7
Cr-Commit-Position: refs/heads/master@{#38597}
==========

[commit-bot: I haz the power, 2016-08-12 06:52:42]

Patchset 1 (id:??) landed as
https://crrev.com/e6e32315ccf7d30b1c8a7946f9940e4aaf2fe9c7
Cr-Commit-Position: refs/heads/master@{#38597}