[compiler] Unify printing of schedule block ids.

[compiler] Unify printing of schedule block ids.

We use the pattern "B23" to refer to RPO numbers and "id:42" when
referring to unordered block ids. This unifies printing functions to
follow that pattern throughout the system.

R=danno@chromium.org

Committed: https://crrev.com/ca387dbdaac1c7e3e16fdf9b5f3249b39d268d15
Cr-Commit-Position: refs/heads/master@{#35022}

[danno, 2016-03-23 09:30:36]

lgtm

[Michael Starzinger, 2016-03-23 09:53:49]

The CQ bit was checked by mstarzinger@chromium.org

[commit-bot: I haz the power, 2016-03-23 09:53:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1824313002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1824313002/1

[commit-bot: I haz the power, 2016-03-23 09:55:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-23 09:57:55]

Description was changed from

==========
[compiler] Unify printing of schedule block ids.

We use the pattern "B23" to refer to RPO numbers and "id:42" when
referring to unordered block ids. This unifies printing functions to
follow that pattern throughout the system.

R=danno@chromium.org
==========

to

==========
[compiler] Unify printing of schedule block ids.

We use the pattern "B23" to refer to RPO numbers and "id:42" when
referring to unordered block ids. This unifies printing functions to
follow that pattern throughout the system.

R=danno@chromium.org

Committed: https://crrev.com/ca387dbdaac1c7e3e16fdf9b5f3249b39d268d15
Cr-Commit-Position: refs/heads/master@{#35022}
==========

[commit-bot: I haz the power, 2016-03-23 09:57:56]

Patchset 1 (id:??) landed as
https://crrev.com/ca387dbdaac1c7e3e16fdf9b5f3249b39d268d15
Cr-Commit-Position: refs/heads/master@{#35022}