22.x: [cpullvm][DNM] Add speed-optimized AArch64 library variants - #565
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These are prototype changes for some users who want to experiment with speed optimized libraries. These changes should not be merged as-is: * If we go forward with something like this, I think we want to rework the existing -Oz -> -Os mapping and the -O2 -> -O3 mapping added here. That would allow some extra flexibility for folks to select differently optimized library variants without changing their opt flags. * This includes a patch to upstream clang code to expand the opt level passthrough to handle all targets and all opt levels. This obviously needs to go through community review (and the patch given tests, etc.). Might need to think a bit more about whether we could get away with a smaller change by ordering the variants differently. Signed-off-by: Jonathon Penix <jpenix@qti.qualcomm.com>
Jonathon Penix (jonathonpenix)
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These are prototype changes for some users who want to experiment with speed optimized libraries.
These changes should not be merged as-is: