RESOLVED FIXED 234587
Allow loop tier up to the Air tier 
https://bugs.webkit.org/show_bug.cgi?id=234587
Summary Allow loop tier up to the Air tier
Saam Barati
Reported 2021-12-21 18:31:23 PST
Probably will be a perf win for first run programs.
Attachments
WIP (97.29 KB, patch)
2022-01-04 11:42 PST, Saam Barati 		no flags
DetailsFormatted DiffDiff
WIP (45.74 KB, patch)
2022-01-04 17:53 PST, Saam Barati 		no flags
DetailsFormatted DiffDiff
WIP (44.40 KB, patch)
2022-01-07 18:38 PST, Saam Barati 		no flags
DetailsFormatted DiffDiff
WIP (44.69 KB, patch)
2022-01-07 19:04 PST, Saam Barati 		no flags
DetailsFormatted DiffDiff
patch (47.38 KB, patch)
2022-01-07 19:24 PST, Saam Barati 		ysuzuki: review+
ews-feeder: commit-queue-
DetailsFormatted DiffDiff
patch for landing (47.38 KB, patch)
2022-01-10 10:00 PST, Saam Barati 		no flags
DetailsFormatted DiffDiff
Show Obsolete (5) View All Add attachment proposed patch, testcase, etc.
Saam Barati
Comment 1 2021-12-21 18:31:43 PST
If we add a new lightweight Baseline JIT, this probably isn't necessary.
Radar WebKit Bug Importer
Comment 2 2021-12-28 18:32:16 PST
<rdar://problem/86968638>
Saam Barati
Comment 3 2022-01-04 11:42:11 PST
Created attachment 448313 [details] WIP
Saam Barati
Comment 4 2022-01-04 17:53:58 PST
Created attachment 448356 [details] WIP Fixed latent regalloc bug in O0. I think this patch is mostly ready. But I'm going to implement exceptions in Air first, since that'll make some of the tier up logic nicer, and it's a nice to have anyways, since we want all tiers supporting all wasm features.
Saam Barati
Comment 5 2022-01-07 18:38:58 PST
Created attachment 448657 [details] WIP
Saam Barati
Comment 6 2022-01-07 19:04:26 PST
Created attachment 448661 [details] WIP
Saam Barati
Comment 7 2022-01-07 19:24:35 PST
Created attachment 448662 [details] patch
Yusuke Suzuki
Comment 8 2022-01-07 19:43:31 PST
Comment on attachment 448662 [details] patch r=me
Saam Barati
Comment 9 2022-01-10 10:00:02 PST
Created attachment 448764 [details] patch for landing
EWS
Comment 10 2022-01-10 17:37:09 PST
Committed r287864 (245908@main): <https://commits.webkit.org/245908@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 448764 [details].
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