[turbofan] Kill type Guard nodes during effect/control linearization.

[turbofan] Kill type Guard nodes during effect/control linearization.

These guards are useless anyways once you make it throw the
effect/control linearizer because all memory operations and
calls are connected to the control and/or effect chain anyways
afterwards.

Drive-by-fix: Fail in the InstructionSelector if we ever see
a Guard node.

R=jarin@chromium.org
BUG=chromium:612142
Committed: https://crrev.com/33e571ff4b8210161e20d2484650f64809287f72
Cr-Commit-Position: refs/heads/master@{#36302}

[Benedikt Meurer, 2016-05-17 12:26:05]

Hey Jaro,

Here's the baby we cooked.
Please take a look.

Thanks,
Benedikt

[Jarin, 2016-05-17 12:29:41]

lgtm

[Benedikt Meurer, 2016-05-18 05:09:28]

Description was changed from

==========
[turbofan] Kill type Guard nodes during effect/control linearization.

These guards are useless anyways once you make it throw the
effect/control linearizer because all memory operations and
calls are connected to the control and/or effect chain anyways
afterwards.

Drive-by-fix: Fail in the InstructionSelector if we ever see
Guard, BeginRegion or FinishRegion.

R=jarin@chromium.org
BUG=chromium:612142
==========

to

==========
[turbofan] Kill type Guard nodes during effect/control linearization.

These guards are useless anyways once you make it throw the
effect/control linearizer because all memory operations and
calls are connected to the control and/or effect chain anyways
afterwards.

Drive-by-fix: Fail in the InstructionSelector if we ever see
a Guard node.

R=jarin@chromium.org
BUG=chromium:612142
==========

[Benedikt Meurer, 2016-05-18 05:09:33]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-05-18 05:09:33]

The patchset sent to the CQ was uploaded after l-g-t-m from jarin@chromium.org
Link to the patchset: https://codereview.chromium.org/1980383002/#ps20001
(title: "For "reason" wasm requires Begin/FinishRegion ATM.")

[commit-bot: I haz the power, 2016-05-18 05:09:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1980383002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1980383002/20001

[commit-bot: I haz the power, 2016-05-18 05:36:59]

Description was changed from

==========
[turbofan] Kill type Guard nodes during effect/control linearization.

These guards are useless anyways once you make it throw the
effect/control linearizer because all memory operations and
calls are connected to the control and/or effect chain anyways
afterwards.

Drive-by-fix: Fail in the InstructionSelector if we ever see
a Guard node.

R=jarin@chromium.org
BUG=chromium:612142
==========

to

==========
[turbofan] Kill type Guard nodes during effect/control linearization.

These guards are useless anyways once you make it throw the
effect/control linearizer because all memory operations and
calls are connected to the control and/or effect chain anyways
afterwards.

Drive-by-fix: Fail in the InstructionSelector if we ever see
a Guard node.

R=jarin@chromium.org
BUG=chromium:612142
==========

[commit-bot: I haz the power, 2016-05-18 05:36:59]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-05-18 05:38:30]

Description was changed from

==========
[turbofan] Kill type Guard nodes during effect/control linearization.

These guards are useless anyways once you make it throw the
effect/control linearizer because all memory operations and
calls are connected to the control and/or effect chain anyways
afterwards.

Drive-by-fix: Fail in the InstructionSelector if we ever see
a Guard node.

R=jarin@chromium.org
BUG=chromium:612142
==========

to

==========
[turbofan] Kill type Guard nodes during effect/control linearization.

These guards are useless anyways once you make it throw the
effect/control linearizer because all memory operations and
calls are connected to the control and/or effect chain anyways
afterwards.

Drive-by-fix: Fail in the InstructionSelector if we ever see
a Guard node.

R=jarin@chromium.org
BUG=chromium:612142

Committed: https://crrev.com/33e571ff4b8210161e20d2484650f64809287f72
Cr-Commit-Position: refs/heads/master@{#36302}
==========

[commit-bot: I haz the power, 2016-05-18 05:38:31]

Patchset 2 (id:??) landed as
https://crrev.com/33e571ff4b8210161e20d2484650f64809287f72
Cr-Commit-Position: refs/heads/master@{#36302}