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| author | Pawe Bylica <chfast@gmail.com> | 2022-01-21 00:56:38 +0100 |
|---|---|---|
| committer | Paweł Bylica <chfast@gmail.com> | 2022-01-21 01:25:30 +0100 |
| commit | 1d7604fdcebda9cc431b7f19c2f4cb769efdca02 (patch) | |
| tree | b9fb5eb8dbd4c5060350dd7625b5c9318d7d0124 /lldb/source/Plugins/ScriptInterpreter/Python | |
| parent | 37e0c58559ad367f16960fd65c8efb7bb1a6414f (diff) | |
| download | llvm-1d7604fdcebda9cc431b7f19c2f4cb769efdca02.zip llvm-1d7604fdcebda9cc431b7f19c2f4cb769efdca02.tar.gz llvm-1d7604fdcebda9cc431b7f19c2f4cb769efdca02.tar.bz2 | |
[InstCombine] Simplify bswap -> shift
Simplify bswap(x) to shl(x) or lshr(x) if x has exactly one
"active byte", i.e. all active bits are contained in boundaries
of a single byte of x.
https://alive2.llvm.org/ce/z/nvbbU5
https://alive2.llvm.org/ce/z/KiiL3J
Reviewed By: spatel, craig.topper, lebedev.ri
Differential Revision: https://reviews.llvm.org/D117680
Diffstat (limited to 'lldb/source/Plugins/ScriptInterpreter/Python')
0 files changed, 0 insertions, 0 deletions