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[X86] Use ANY_EXTEND instead of SIGN_EXTEND in lowerMasksToReg

Authored by craig.topper on Jan 2 2018, 9:57 PM.



Currently we use SIGN_EXTEND in lowerMasksToReg as part of calling convention setup, but we don't require a specific for the upper bits.

This patch changes it to ANY_EXTEND which will be lowered as SIGN_EXTEND if it ends up sticking around.

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craig.topper created this revision.Jan 2 2018, 9:57 PM
delena accepted this revision.Jan 2 2018, 10:41 PM

+ minor comment


remove the "else", please.

This revision is now accepted and ready to land.Jan 2 2018, 10:41 PM