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[GlobalISel] Add computeNumSignBits() support for compares.
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Authored by aemerson on Oct 4 2022, 8:53 AM.

Details

Summary

Doing so allows G_SEXT_INREG to be combined away for many vector cases.

Diff Detail

Event Timeline

aemerson created this revision.Oct 4 2022, 8:53 AM
Herald added a project: Restricted Project. · View Herald TranscriptOct 4 2022, 8:53 AM
aemerson requested review of this revision.Oct 4 2022, 8:53 AM
arsenm accepted this revision.Oct 4 2022, 8:58 AM

LGTM

This revision is now accepted and ready to land.Oct 4 2022, 8:58 AM
paquette accepted this revision.Oct 4 2022, 10:26 AM
This revision was landed with ongoing or failed builds.Oct 4 2022, 4:34 PM
This revision was automatically updated to reflect the committed changes.