Summary: | Turn off Internal Function inlining in the DFG for super calls. | ||||||||
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Product: | WebKit | Reporter: | Keith Miller <keith_miller> | ||||||
Component: | New Bugs | Assignee: | Keith Miller <keith_miller> | ||||||
Status: | RESOLVED FIXED | ||||||||
Severity: | Normal | CC: | commit-queue, mark.lam, msaboff, saam | ||||||
Priority: | P2 | ||||||||
Version: | WebKit Nightly Build | ||||||||
Hardware: | Unspecified | ||||||||
OS: | Unspecified | ||||||||
Bug Depends on: | |||||||||
Bug Blocks: | 152706 | ||||||||
Attachments: |
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Description
Keith Miller
2016-01-04 10:00:12 PST
Created attachment 268203 [details]
Patch
Created attachment 268204 [details]
Benchmark results
Comment on attachment 268203 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=268203&action=review r- because this needs a test case. > Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:2433 > + // FIXME: If we have inlined super calls up to the call site, however, we should be able to figure out the structure. You should file a bug for this fixme. > r- because this needs a test case. > I'm not sure what behavior you want me to test. This patch just ensures that we take a slow path when subclassing an InternalFunction. There is no non-performance difference here. > > Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:2433 > > + // FIXME: If we have inlined super calls up to the call site, however, we should be able to figure out the structure. > > You should file a bug for this fix me. Fixed. https://bugs.webkit.org/show_bug.cgi?id=152700 Comment on attachment 268203 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=268203&action=review r=me I guess the test case will come later, once the slow path starts to do the right thing. >> Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:2433 >> + // FIXME: If we have inlined super calls up to the call site, however, we should be able to figure out the structure. > > You should file a bug for this fixme. Please paste the bug link in the source code. > Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:2441 > - > + Revert. (In reply to comment #5) > Comment on attachment 268203 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=268203&action=review > > r=me > > I guess the test case will come later, once the slow path starts to do the > right thing. > > >> Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:2433 > >> + // FIXME: If we have inlined super calls up to the call site, however, we should be able to figure out the structure. > > > > You should file a bug for this fixme. > > Please paste the bug link in the source code. It's already there. > > > Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:2441 > > - > > + > > Revert. Fixed. Committed r194565: <http://trac.webkit.org/changeset/194565> |