https://bugs.webkit.org/show_bug.cgi?id=98996

Reviewed by Geoffrey Garen.

This adds plumbing to drop in constant buffers from the inlinees to the inliner.
It's smart about not duplicating buffers needlessly but doesn't try to completely
hash-cons them, either.

* bytecode/CodeBlock.h:
(JSC::CodeBlock::numberOfConstantBuffers):
(JSC::CodeBlock::addConstantBuffer):
(JSC::CodeBlock::constantBufferAsVector):
(JSC::CodeBlock::constantBuffer):
* dfg/DFGAbstractState.cpp:
(JSC::DFG::AbstractState::execute):
* dfg/DFGByteCodeParser.cpp:
(ConstantBufferKey):
(JSC::DFG::ConstantBufferKey::ConstantBufferKey):
(JSC::DFG::ConstantBufferKey::operator==):
(JSC::DFG::ConstantBufferKey::hash):
(JSC::DFG::ConstantBufferKey::isHashTableDeletedValue):
(JSC::DFG::ConstantBufferKey::codeBlock):
(JSC::DFG::ConstantBufferKey::index):
(DFG):
(JSC::DFG::ConstantBufferKeyHash::hash):
(JSC::DFG::ConstantBufferKeyHash::equal):
(ConstantBufferKeyHash):
(WTF):
(ByteCodeParser):
(InlineStackEntry):
(JSC::DFG::ByteCodeParser::parseBlock):
(JSC::DFG::ByteCodeParser::InlineStackEntry::InlineStackEntry):
* dfg/DFGCapabilities.h:
(JSC::DFG::canInlineOpcode):
* dfg/DFGOperations.cpp:
* dfg/DFGOperations.h:
* dfg/DFGSpeculativeJIT.h:
(JSC::DFG::SpeculativeJIT::callOperation):
* dfg/DFGSpeculativeJIT32_64.cpp:
(JSC::DFG::SpeculativeJIT::compile):
* dfg/DFGSpeculativeJIT64.cpp:
(JSC::DFG::SpeculativeJIT::compile):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@131087 268f45cc-cd09-0410-ab3c-d52691b4dbfc