[turbofan] The BytecodeGraphBuilder should never insert the empty frame state.

[turbofan] The BytecodeGraphBuilder should never insert the empty frame state.

It's always possible to deoptimize to Ignition from TurboFan, and we
don't use Ignition for asm.js code, so there's no need to have the empty
frame state magic in the BytecodeGraphBuilder.

R=mstarzinger@chromium.org
BUG=v8:4280
Committed: https://crrev.com/a329afdaecceca133b1bcaefc566bcfe0636b2d1
Cr-Commit-Position: refs/heads/master@{#36505}

[Jarin, 2016-05-25 09:22:04]

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

[Jarin, 2016-05-25 09:22:05]

lgtm

[Benedikt Meurer, 2016-05-25 09:23:24]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-05-25 09:23:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2008243002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2008243002/1

[commit-bot: I haz the power, 2016-05-25 09:41:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-25 09:44:07]

Description was changed from

==========
[turbofan] The BytecodeGraphBuilder should never insert the empty frame state.

It's always possible to deoptimize to Ignition from TurboFan, and we
don't use Ignition for asm.js code, so there's no need to have the empty
frame state magic in the BytecodeGraphBuilder.

R=mstarzinger@chromium.org
BUG=v8:4280
==========

to

==========
[turbofan] The BytecodeGraphBuilder should never insert the empty frame state.

It's always possible to deoptimize to Ignition from TurboFan, and we
don't use Ignition for asm.js code, so there's no need to have the empty
frame state magic in the BytecodeGraphBuilder.

R=mstarzinger@chromium.org
BUG=v8:4280

Committed: https://crrev.com/a329afdaecceca133b1bcaefc566bcfe0636b2d1
Cr-Commit-Position: refs/heads/master@{#36505}
==========

[commit-bot: I haz the power, 2016-05-25 09:44:08]

Patchset 1 (id:??) landed as
https://crrev.com/a329afdaecceca133b1bcaefc566bcfe0636b2d1
Cr-Commit-Position: refs/heads/master@{#36505}

[Michael Starzinger, 2016-05-25 10:48:15]

LGTM.