[Webkit-unassigned] [Bug 134616] Add more coverage for the profile_types_with_high_fidelity op code

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=134616


Saam Barati <sbarati at apple.com> changed:

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 Attachment #234384|                            |review?, commit-queue?
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--- Comment #1 from Saam Barati <sbarati at apple.com>  2014-07-03 17:55:20 PST ---
Created an attachment (id=234384)
 --> (https://bugs.webkit.org/attachment.cgi?id=234384&action=review)
patch

More operations are now being recorded by the profile_types_with_high_fidelity 
opcode. Specifically: function parameters, function return values,
function 'this' value, get_by_id, get_by_value, resolve nodes, function return 
values at the call site. Added more flags to the profile_types_with_high_fidelity
opcode so more focused tasks can take place when the instruction is
being linked in CodeBlock. Re-worked the type profiler to search 
through character offset ranges when asked for the type of an expression
at a given offset. Removed redundant calls to Structure::toStructureShape
in HighFidelityLog and TypeSet by caching calls based on StructureID.

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