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| author | Noah Goldstein <goldstein.w.n@gmail.com> | 2023-02-13 19:39:42 -0600 |
|---|---|---|
| committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2023-02-14 18:59:04 -0600 |
| commit | 42e11a6ea32174b322d26756450793f1d8405f08 (patch) | |
| tree | b20cdf50a1d3dfb233213dca5a8b7b846430df0c /lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp | |
| parent | abf6692f951339872fa78ac7a607c4a11a12b2e2 (diff) | |
Add transform (and/or (icmp eq/ne (A, C)), (icmp eq/ne (A, -C))) -> (icmp eq/ne (ABS A), ABS(C))
This can be beneficial if there is a fast `ABS` (For example with X86
`vpabs`) or if there is a dominating ABS(A) in the `DAG`.
Note `C` is constant so `ABS(C)` is just a constant.
Alive2 Links:
EQ: https://alive2.llvm.org/ce/z/829F-c
NE: https://alive2.llvm.org/ce/z/tsS8bU
Reviewed By: pengfei
Differential Revision: https://reviews.llvm.org/D142601
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp')
0 files changed, 0 insertions, 0 deletions