1641297 - Optimize Array.isArray in CacheIR and Warp

Status: RESOLVED FIXED

(Core :: JavaScript Engine: JIT, task, P3)

Description

[Tom S [:evilpie]]

This function shows up surprisingly often at the top of a list of callsites. It's used in self-hosted code as well.

Comment 1

[Tom S [:evilpie]]

Attachment: Bug 1641297 - Optimize Array.isArray in CacheIR and Warp. r?iain

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/5daeee90db7e
Optimize Array.isArray in CacheIR and Warp. r=iain

Comment 3

[Razvan Maries]

Backed out for perma failures.

Push with failure: https://treeherder.mozilla.org/#/jobs?repo=autoland&selectedTaskRun=ddV_1mlmRzacLskdtL5n9A-0&resultStatus=pending%2Crunning%2Csuccess%2Ctestfailed%2Cbusted%2Cexception&searchStr=windows%2C7%2Cdebug%2Ctest-windows7-32%2Fdebug-gtest-1proc%2C%28gtest%29&revision=5daeee90db7e3a7d037c73f567919071d90a7609

Failure log: https://treeherder.mozilla.org/logviewer.html#/jobs?job_id=304011517&repo=autoland&lineNumber=29423

Backout: https://hg.mozilla.org/integration/autoland/rev/a8e1d6e554e5431dbb7e9d313833936c4e876c12

Comment 4

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/0fac8346449b
Optimize Array.isArray in CacheIR and Warp. r=iain

Comment 5

[Noemi Erli[:noemi_erli]]

https://hg.mozilla.org/mozilla-central/rev/0fac8346449b