Calculate blocks needing a frame and frame (de)construction sites.

Calculate blocks needing a frame and frame (de)construction sites.

Committed: https://crrev.com/bc7f79a67042de6255e09c984b4196f3eef6b2d6
Cr-Commit-Position: refs/heads/master@{#28120}

[Sven Panne, 2015-04-17 11:58:38]

svenpanne@chromium.org changed reviewers:
+ dcarney@chromium.org

[Sven Panne, 2015-04-17 11:58:38]

Just as a basis for discussions/initial feedback about the approach. We need to
move this around a bit (into the register allocator), as discussed. Probably
split off the adapters.h addition into a separate CL.

[Sven Panne, 2015-04-28 14:00:12]

PTAL, as discussed offline: Let's land this first and add the spill marking
phase in the register allocator separately.

[dcarney, 2015-04-28 15:08:48]

lgtm

[Sven Panne, 2015-04-29 05:53:00]

The CQ bit was checked by svenpanne@chromium.org

[commit-bot: I haz the power, 2015-04-29 05:53:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1053123006/100001

[commit-bot: I haz the power, 2015-04-29 05:54:47]

Committed patchset #6 (id:100001)

[commit-bot: I haz the power, 2015-04-29 05:55:05]

Patchset 6 (id:??) landed as
https://crrev.com/bc7f79a67042de6255e09c984b4196f3eef6b2d6
Cr-Commit-Position: refs/heads/master@{#28120}