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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2023-01-27 17:26:41 -0600 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2023-01-27 17:45:36 -0600 |
| commit | edd80befeeb92000800ded2a6f3dcdfd672d95ea (patch) | |
| tree | be24276d96cecf0c92d9a39ede3941091d5ad34d /clang/lib/Basic/SourceManager.cpp | |
| parent | 8c884655862ed2e4ca0f00de349387db77294c8b (diff) | |
| download | llvm-edd80befeeb92000800ded2a6f3dcdfd672d95ea.zip llvm-edd80befeeb92000800ded2a6f3dcdfd672d95ea.tar.gz llvm-edd80befeeb92000800ded2a6f3dcdfd672d95ea.tar.bz2 | |
Reorder (shl (add/sub (shl x, C0), y), C1) -> (add/sub (shl x, C0 + C1), (shl y, C1))
This is just expanding the existing pattern that exists for AND/XOR/OR
and gets a bit more parallelism in from the instruction sequence.
Alive2:
Add - https://alive2.llvm.org/ce/z/dSmPkV
Sub1 - https://alive2.llvm.org/ce/z/6rpi5V
Sub2 - https://alive2.llvm.org/ce/z/UfYeUd
Reviewed By: spatel
Differential Revision: https://reviews.llvm.org/D141875
Diffstat (limited to 'clang/lib/Basic/SourceManager.cpp')
0 files changed, 0 insertions, 0 deletions