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[LangRef] get.active.lane.mask can produce poison
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Authored by SjoerdMeijer on Aug 26 2020, 9:33 AM.

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Summary

We had already specified that second argument n of this intrinsic is n > 0, but now add to this that the result is a poison value if this is not the case.

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SjoerdMeijer created this revision.Aug 26 2020, 9:33 AM
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SjoerdMeijer requested review of this revision.Aug 26 2020, 9:33 AM
This revision is now accepted and ready to land.Aug 26 2020, 11:26 AM