[turbofan] Turn JSTypedLowering into an AdvancedReducer.

[turbofan] Turn JSTypedLowering into an AdvancedReducer.

This in turn allows usage of AdvancedReducer::ReplaceWithValue which
has access to the underlying graph reducer. It will allow us to deal
with exception continuations correctly.

R=titzer@chromium.org

Committed: https://crrev.com/329a3f220c9b094378b376db8735ef06a66f2024
Cr-Commit-Position: refs/heads/master@{#28468}

[titzer, 2015-05-19 08:43:13]

LGTM if comments are addressed

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
File src/compiler/js-typed-lowering.cc (right):

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:532: return Changed(replacement);
This should be Replaced(replacement), just be clear.
Changed(replacement) kind of works by accident.

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:541: return Changed(replacement);
Ditto

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:780: return Changed(load);
Ditto

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:787: return Changed(load);
Ditto

[Michael Starzinger, 2015-05-19 09:32:23]

Comments addressed.

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
File src/compiler/js-typed-lowering.cc (right):

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:532: return Changed(replacement);
On 2015/05/19 08:43:13, titzer wrote:
> This should be Replaced(replacement), just be clear.
> Changed(replacement) kind of works by accident.

Done.

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:541: return Changed(replacement);
On 2015/05/19 08:43:13, titzer wrote:
> Ditto

Done.

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:780: return Changed(load);
On 2015/05/19 08:43:13, titzer wrote:
> Ditto

Done.

https://codereview.chromium.org/1134303003/diff/1/src/compiler/js-typed-lower...
src/compiler/js-typed-lowering.cc:787: return Changed(load);
On 2015/05/19 08:43:13, titzer wrote:
> Ditto

Done.

[Michael Starzinger, 2015-05-19 09:45:36]

The CQ bit was checked by mstarzinger@chromium.org

[Michael Starzinger, 2015-05-19 09:45:37]

The patchset sent to the CQ was uploaded after l-g-t-m from titzer@chromium.org
Link to the patchset: https://codereview.chromium.org/1134303003/#ps20001
(title: "Addressed comments.")

[commit-bot: I haz the power, 2015-05-19 09:45:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1134303003/20001

[commit-bot: I haz the power, 2015-05-19 09:57:59]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-05-19 09:58:18]

Patchset 2 (id:??) landed as
https://crrev.com/329a3f220c9b094378b376db8735ef06a66f2024
Cr-Commit-Position: refs/heads/master@{#28468}