Bug 110395 - Replace all speculative forms of DFG ConvertThis with Phantom(type check) and Identity
Summary: Replace all speculative forms of DFG ConvertThis with Phantom(type check) and...
Status: RESOLVED DUPLICATE of bug 111674
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:
 
Reported: 2013-02-20 15:20 PST by Filip Pizlo
Modified: 2013-03-06 21:18 PST (History)
7 users (show)

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Description Filip Pizlo 2013-02-20 15:20:34 PST 
This will lead to better code gen, copy propagation, etc.
Comment 1 Filip Pizlo 2013-03-06 21:17:55 PST 
There's a better way to do this - we can use Identity directly, and we can get rid of the constant folding of ConvertThis entirely.
Comment 2 Filip Pizlo 2013-03-06 21:18:04 PST 

*** This bug has been marked as a duplicate of bug 111674 ***