[turbofan] We never use Int64Constant for branch/select conditions.

[turbofan] We never use Int64Constant for branch/select conditions.

Remove dead code to optimize Int64Constants as branch/select conditions,
because we either have tagged booleans or bits represented as word32.

R=jarin@chromium.org

Committed: https://crrev.com/91a2ea815b5e22ae7b9223c489757fa89fae8ef5
Cr-Commit-Position: refs/heads/master@{#36308}

[Benedikt Meurer, 2016-05-18 06:50:23]

Hey Jaro,

Some dead code removal, red-only.
Please take a look.

Thanks,
Benedikt

[Jarin, 2016-05-18 06:54:54]

lgtm

[Benedikt Meurer, 2016-05-18 06:55:41]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-05-18 06:55:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1994533002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1994533002/1

[commit-bot: I haz the power, 2016-05-18 07:19:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-18 07:20:23]

Description was changed from

==========
[turbofan] We never use Int64Constant for branch/select conditions.

Remove dead code to optimize Int64Constants as branch/select conditions,
because we either have tagged booleans or bits represented as word32.

R=jarin@chromium.org
==========

to

==========
[turbofan] We never use Int64Constant for branch/select conditions.

Remove dead code to optimize Int64Constants as branch/select conditions,
because we either have tagged booleans or bits represented as word32.

R=jarin@chromium.org

Committed: https://crrev.com/91a2ea815b5e22ae7b9223c489757fa89fae8ef5
Cr-Commit-Position: refs/heads/master@{#36308}
==========

[commit-bot: I haz the power, 2016-05-18 07:20:24]

Patchset 1 (id:??) landed as
https://crrev.com/91a2ea815b5e22ae7b9223c489757fa89fae8ef5
Cr-Commit-Position: refs/heads/master@{#36308}