[turbofan] Implement proper caching of heap constants in the JSGraph.

[turbofan] Implement proper caching of heap constants in the JSGraph.

With the handle canonicalization we can now easily cache heap constant
nodes based on the location of the HeapObject handle location.

R=yangguo@chromium.org

Committed: https://crrev.com/7b59723d68f21710e41721854a65f0a77cc13b7a
Cr-Commit-Position: refs/heads/master@{#32876}

[Benedikt Meurer, 2015-12-16 05:53:26]

Hey Yang,

Handle canonicalization pays off. :-)
Please take a look.

Thanks,
Benedikt

[Yang, 2015-12-16 06:22:41]

On 2015/12/16 05:53:26, Benedikt Meurer wrote:
> Hey Yang,
> 
> Handle canonicalization pays off. :-)
> Please take a look.
> 
> Thanks,
> Benedikt

lgtm.

[Benedikt Meurer, 2015-12-16 06:22:56]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2015-12-16 06:23:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1523323005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1523323005/1

[commit-bot: I haz the power, 2015-12-16 06:24:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-16 06:25:01]

Description was changed from

==========
[turbofan] Implement proper caching of heap constants in the JSGraph.

With the handle canonicalization we can now easily cache heap constant
nodes based on the location of the HeapObject handle location.

R=yangguo@chromium.org
==========

to

==========
[turbofan] Implement proper caching of heap constants in the JSGraph.

With the handle canonicalization we can now easily cache heap constant
nodes based on the location of the HeapObject handle location.

R=yangguo@chromium.org

Committed: https://crrev.com/7b59723d68f21710e41721854a65f0a77cc13b7a
Cr-Commit-Position: refs/heads/master@{#32876}
==========

[commit-bot: I haz the power, 2015-12-16 06:25:02]

Patchset 1 (id:??) landed as
https://crrev.com/7b59723d68f21710e41721854a65f0a77cc13b7a
Cr-Commit-Position: refs/heads/master@{#32876}