Mirko Brkusanin a75d6178b8 [GlobalISel] Add combine for (x | mask) -> x when (x | mask) == x ...

If we have a mask, and a value x, where (x | mask) == x, we can drop the OR
and just use x.

Differential Revision: https://reviews.llvm.org/D90952

2020-11-10 11:32:13 +01:00

111 KiB

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