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[AArch64][GlobalISel] Inline tiny memcpy et al at -O0
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Authored by aemerson on Aug 5 2019, 10:05 AM.

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Summary

FastISel already does this since the initial arm64 port was upstreamed, so it seems there are no issues with doing this at -O0 for very small memcpys.

Gives a 0.2% geomean code size improvement on CTMark.

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Event Timeline

aemerson created this revision.Aug 5 2019, 10:05 AM
This revision is now accepted and ready to land.Aug 5 2019, 11:05 AM
This revision was automatically updated to reflect the committed changes.