Bug 125395 – Add the notion of ConstantStoragePointer to DFG IR

• Status: RESOLVED
• Resolution: FIXED
• Component: JavaScriptCore

[Filip Pizlo]

Then it can be CSE'd. Patch forthcoming.

[Filip Pizlo]

Created attachment 218704 [details]
the patch

[WebKit Commit Bot]

Attachment 218704 [details] did not pass style-queue:

Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/ChangeLog', u'Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h', u'Source/JavaScriptCore/dfg/DFGCSEPhase.cpp', u'Source/JavaScriptCore/dfg/DFGClobberize.h', u'Source/JavaScriptCore/dfg/DFGFixupPhase.cpp', u'Source/JavaScriptCore/dfg/DFGGraph.cpp', u'Source/JavaScriptCore/dfg/DFGNode.h', u'Source/JavaScriptCore/dfg/DFGNodeType.h', u'Source/JavaScriptCore/dfg/DFGPredictionPropagationPhase.cpp', u'Source/JavaScriptCore/dfg/DFGSafeToExecute.h', u'Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp', u'Source/JavaScriptCore/dfg/DFGSpeculativeJIT.h', u'Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp', u'Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp', u'Source/JavaScriptCore/dfg/DFGStrengthReductionPhase.cpp', u'Source/JavaScriptCore/dfg/DFGWatchpointCollectionPhase.cpp', u'Source/JavaScriptCore/ftl/FTLLowerDFGToLLVM.cpp', '--commit-queue']" exit_code: 1
ERROR: Source/JavaScriptCore/dfg/DFGStrengthReductionPhase.cpp:100:  An else statement can be removed when the prior "if" concludes with a return, break, continue or goto statement.  [readability/control_flow] [4]
Total errors found: 1 in 16 files


If any of these errors are false positives, please file a bug against check-webkit-style.

[Filip Pizlo]

Landed in http://trac.webkit.org/changeset/160295