Bug 143792 - Harden DFGForAllKills
Summary: Harden DFGForAllKills
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: Filip Pizlo
URL:
Keywords:
Depends on:
Blocks: 143734
  Show dependency treegraph
 
Reported: 2015-04-15 12:10 PDT by Filip Pizlo
Modified: 2015-04-15 13:34 PDT (History)
11 users (show)

See Also:


Attachments
the patch (6.77 KB, patch)
2015-04-15 12:15 PDT, Filip Pizlo
ggaren: review+
Details | Formatted Diff | Diff

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Description Filip Pizlo 2015-04-15 12:10:19 PDT
Currently it appears to have issues with:

- Bytecode instructions that don't have an origin in DFG IR because the operations were killed off.

- MovHint doing a kill because the local is always live.
Comment 1 Filip Pizlo 2015-04-15 12:15:36 PDT
Created attachment 250833 [details]
the patch
Comment 2 Geoffrey Garen 2015-04-15 13:09:50 PDT
Comment on attachment 250833 [details]
the patch

r=me
Comment 3 Filip Pizlo 2015-04-15 13:34:05 PDT
Landed in http://trac.webkit.org/changeset/182857