Craig Topper 70f50114f3 [RISCV] Add another isel optimization for (and (shl x, c2), c1) ...

Turn (and (shl x, c2), c1) -> (slli (srli x, c3-c2), c3) if c1 is a
shifted mask with no leading zeros and c3 trailing zeros where c3
is greater than c2.

2021-09-23 14:18:07 -07:00

2.9 KiB

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