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| author | Malhar Jajoo <malhar.jajoo@arm.com> | 2022-02-02 02:06:38 +0000 |
|---|---|---|
| committer | Malhar Jajoo <malhar.jajoo@arm.com> | 2022-02-02 12:07:51 +0000 |
| commit | 778b455dd66056400d7927cae5a6e890453278a7 (patch) | |
| tree | 3f028a5f85b04a4a8efcdb8762a38cba7cc12145 /lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.h | |
| parent | 5aa2acc86b89bab2bf19ad7d70974fe2e4513db5 (diff) | |
| download | llvm-778b455dd66056400d7927cae5a6e890453278a7.zip llvm-778b455dd66056400d7927cae5a6e890453278a7.tar.gz llvm-778b455dd66056400d7927cae5a6e890453278a7.tar.bz2 | |
[LAA] Add Memory dependence remarks.
Adds new optimization remarks when vectorization fails.
More specifically, new remarks are added for following 4 cases:
- Backward dependency
- Backward dependency that prevents Store-to-load forwarding
- Forward dependency that prevents Store-to-load forwarding
- Unknown dependency
It is important to note that only one of the sources
of failures (to vectorize) is reported by the remarks.
This source of failure may not be first in program order.
A regression test has been added to test the following cases:
a) Loop can be vectorized: No optimization remark is emitted
b) Loop can not be vectorized: In this case an optimization
remark will be emitted for one source of failure.
Reviewed By: sdesmalen, david-arm
Differential Revision: https://reviews.llvm.org/D108371
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/PythonReadline.h')
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