Abinav Puthan Purayil 68b70d17d8 [GlobalISel] Fold or of shifts with constant amount to funnel shift. ...

This change folds (or (shl x, C0), (lshr y, C1)) to funnel shift iff C0
and C1 are constants where C0 + C1 is the bit-width of the shift
instructions.

Differential Revision: https://reviews.llvm.org/D116529

2022-01-24 10:43:32 +05:30

192 KiB

Raw Blame History

View Raw