Reviewers: jarin, Michael Starzinger,
Description:
[turbofan] Rework Node guts to save space.
This reduces the storage per-Node storage from 7 words to 6 and per-edge
storage from 6 words to 4.
On average this is about 10%-15% space savings over the whole graph.
Remove the use of std::deque as the out-of-line storage for inputs.
Reduce size of Use links and use pointer arithmetic to find Node
from Use.
[email protected],[email protected]
BUG=
Please review this at https://codereview.chromium.org/1150923003/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+399, -185 lines):
M src/compiler/node.h
M src/compiler/node.cc
M test/unittests/compiler/node-unittest.cc
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