commit | 41f3d4326ee7fa7a075e96ab95f8f943a0cb1bcc | [log] [tgz] |
---|---|---|
author | Aart Bik <ajcbik@google.com> | Thu Nov 29 01:47:18 2018 +0000 |
committer | commit-bot@chromium.org <commit-bot@chromium.org> | Thu Nov 29 01:47:18 2018 +0000 |
tree | 40911cf7d75338bccd943abf7b0d57a108f999d3 | |
parent | 03b7ade6b733a2e49d0ea58dc189aa48a12df958 [diff] |
[vm/compiler] Express control dependence as data dependence. Rationale: This provides a more robust way of expressing control dependences between bounds checks and their uses, while still allowing for CSE and LICM where possible. This also fixes the original bug that started this whole redesign: invalid LICM of checkbound. Note: Deals with bounds check, null check still TBD. Mini design doc: runtime/docs/compiler/data_dep_for_control_dep.md https://github.com/dart-lang/sdk/issues/35139 https://github.com/dart-lang/sdk/issues/34684 https://github.com/dart-lang/sdk/issues/30633 Change-Id: Icfbd3ca60662e37046e48b95be7f81d05d94af88 Reviewed-on: https://dart-review.googlesource.com/c/85470 Commit-Queue: Aart Bik <ajcbik@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
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