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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2023-02-13 19:40:35 -0600 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2023-02-14 18:59:04 -0600 |
| commit | 54a9e992c84cc4b1668329494f4355e7d0b8e470 (patch) | |
| tree | fde7202e479eca304585caaf1bd4ab5588354173 /lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp | |
| parent | e29c4393236fae95c57b9eb631a806ff47dc38cd (diff) | |
Add Transform for `(and/or (eq/ne A,Pow2),(eq/ne A,-Pow2))`->`(eq/ne (and (and A,Pow2),~(Pow2*2)), 0)`
In many instances this can be preferable if the `icmp` -> `i1` cannot be
done in one instruction (such as X86 for scalars).
At the moment guarded behind `TLI.isDesirableToCombineLogicOpOfSETCC`.
alive2 links:
https://alive2.llvm.org/ce/z/nLm5sN
https://alive2.llvm.org/ce/z/moEcyE
Reviewed By: RKSimon
Differential Revision: https://reviews.llvm.org/D142344
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp')
0 files changed, 0 insertions, 0 deletions