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[X86] getFauxShuffleMask - drop unnecessary computeKnownBits OR(X,Y) shuffle…

Authored by RKSimon on Aug 4 2020, 7:57 AM.

Description

[X86] getFauxShuffleMask - drop unnecessary computeKnownBits OR(X,Y) shuffle decoding.

Now that rG47cea9e82dda941e lets us aggressively decode multi-use shuffles for the OR(SHUFFLE(),SHUFFLE()) case we don't need the computeKnownBits variant any more.

Details

Committed
RKSimonAug 4 2020, 7:57 AM
Parents
rGfeb9d8bd8e60: Fix sphinx indentation warning.
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