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Commit 3170d548 authored by Simon Pilgrim's avatar Simon Pilgrim
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[InstCombine][X86] Covert masked load/stores with (sign extended) bool vector... 

[InstCombine][X86] Covert masked load/stores with (sign extended) bool vector masks to generic intrinsics.

As detailed on PR11210, if the mask is known to come from a (sign extended) bool vector (e.g. comparisons) then we can represent with a generic masked load/store without losing anything.

We already do something similar for BLENDV -> SELECT conversion.
parent a874d633
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