[turbofan] Move ChangeTaggedToFoo lowerings to EffectControlLinearizer.

[turbofan] Move ChangeTaggedToFoo lowerings to EffectControlLinearizer.

These also lower to subgraphs that have to be connected to the effect
and control chains, otherwise removing the atomic regions around heap
allocations would still be unsound.

R=jarin@chromium.org

Committed: https://crrev.com/dcf178fb294e87958b40953d2ca8f5aa1e8610aa
Cr-Commit-Position: refs/heads/master@{#35762}

[Jarin, 2016-04-25 12:18:47]

lgtm

[Benedikt Meurer, 2016-04-25 12:20:00]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-04-25 12:20:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1916763003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1916763003/1

[commit-bot: I haz the power, 2016-04-25 12:40:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-25 12:41:26]

Description was changed from

==========
[turbofan] Move ChangeTaggedToFoo lowerings to EffectControlLinearizer.

These also lower to subgraphs that have to be connected to the effect
and control chains, otherwise removing the atomic regions around heap
allocations would still be unsound.

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

to

==========
[turbofan] Move ChangeTaggedToFoo lowerings to EffectControlLinearizer.

These also lower to subgraphs that have to be connected to the effect
and control chains, otherwise removing the atomic regions around heap
allocations would still be unsound.

R=jarin@chromium.org

Committed: https://crrev.com/dcf178fb294e87958b40953d2ca8f5aa1e8610aa
Cr-Commit-Position: refs/heads/master@{#35762}
==========

[commit-bot: I haz the power, 2016-04-25 12:41:27]

Patchset 1 (id:??) landed as
https://crrev.com/dcf178fb294e87958b40953d2ca8f5aa1e8610aa
Cr-Commit-Position: refs/heads/master@{#35762}