HomePhabricator

[InstCombine] canonicalize another raw IR rotate pattern to funnel shift

Description

[InstCombine] canonicalize another raw IR rotate pattern to funnel shift

This is matching the equivalent of the DAG expansion,
so it should never end up with worse perf than the
original code even if the target doesn't have a rotate
instruction.

Details

Committed
spatelJan 8 2019, 2:39 PM
Parents
rL350671: [PGO] Use SourceFileName rather module name in PGOFuncName
Branches
Unknown
Tags
Unknown