[turbofan] Optimize BooleanNot conditions to Branch nodes.

[turbofan] Optimize BooleanNot conditions to Branch nodes.

Also remove the weird work-around for this missing optimization in
CHECK_DATE in macros.py.

R=svenpanne@chromium.org

Committed: https://crrev.com/35eb3a0260d349cb4201fed66ff62a438962bd47
Cr-Commit-Position: refs/heads/master@{#29288}

[Benedikt Meurer, 2015-06-25 09:45:16]

Hey Sven,

Another trivial optimization. Please take a look.

Thanks,
Benedikt

[Sven Panne, 2015-06-25 09:54:53]

https://codereview.chromium.org/1205353002/diff/1/src/macros.py
File src/macros.py (right):

https://codereview.chromium.org/1205353002/diff/1/src/macros.py#newcode194
src/macros.py:194: macro CHECK_DATE(arg) = if (!%_IsDate(arg))
%_ThrowNotDateError();
Hopefully not followed by an "else"... :-]

[Benedikt Meurer, 2015-06-25 10:17:20]

https://codereview.chromium.org/1205353002/diff/1/src/macros.py
File src/macros.py (right):

https://codereview.chromium.org/1205353002/diff/1/src/macros.py#newcode194
src/macros.py:194: macro CHECK_DATE(arg) = if (!%_IsDate(arg))
%_ThrowNotDateError();
On 2015/06/25 09:54:52, Sven Panne wrote:
> Hopefully not followed by an "else"... :-]

It was this way before. Just removed the negation workaround again.

[Sven Panne, 2015-06-25 10:59:09]

The CQ bit was checked by svenpanne@chromium.org

[Sven Panne, 2015-06-25 10:59:10]

lgtm

[commit-bot: I haz the power, 2015-06-25 10:59:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1205353002/1

[Benedikt Meurer, 2015-06-25 10:59:45]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2015-06-25 10:59:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1205353002/1

[commit-bot: I haz the power, 2015-06-25 11:07:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-25 11:07:17]

Patchset 1 (id:??) landed as
https://crrev.com/35eb3a0260d349cb4201fed66ff62a438962bd47
Cr-Commit-Position: refs/heads/master@{#29288}