GetByIdStatus GetByIdStatus::computeFor(
CodeBlock* profiledBlock, CodeBlock* dfgBlock, StubInfoMap& baselineMap,
StubInfoMap& dfgMap, CodeOrigin codeOrigin, StringImpl* uid)
{
#if ENABLE(DFG_JIT)
if (dfgBlock) {
GetByIdStatus result;
{
ConcurrentJITLocker locker(dfgBlock->m_lock);
result = computeForStubInfo(locker, dfgBlock, dfgMap.get(codeOrigin), uid);
}
if (result.takesSlowPath())
return result;
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
if (hasExitSite(locker, profiledBlock, codeOrigin.bytecodeIndex, ExitFromFTL))
return GetByIdStatus(TakesSlowPath, true);
}
if (result.isSet())
return result;
}
#else
UNUSED_PARAM(dfgBlock);
UNUSED_PARAM(dfgMap);
#endif
return computeFor(profiledBlock, baselineMap, codeOrigin.bytecodeIndex, uid);
}
PutByIdStatus PutByIdStatus::computeFor(CodeBlock* baselineBlock, CodeBlock* dfgBlock, StubInfoMap& baselineMap, StubInfoMap& dfgMap, CodeOrigin codeOrigin, StringImpl* uid)
{
#if ENABLE(DFG_JIT)
if (dfgBlock) {
CallLinkStatus::ExitSiteData exitSiteData;
{
ConcurrentJITLocker locker(baselineBlock->m_lock);
if (hasExitSite(locker, baselineBlock, codeOrigin.bytecodeIndex, ExitFromFTL))
return PutByIdStatus(TakesSlowPath);
exitSiteData = CallLinkStatus::computeExitSiteData(
locker, baselineBlock, codeOrigin.bytecodeIndex, ExitFromFTL);
}
PutByIdStatus result;
{
ConcurrentJITLocker locker(dfgBlock->m_lock);
result = computeForStubInfo(
locker, dfgBlock, dfgMap.get(codeOrigin), uid, exitSiteData);
}
// We use TakesSlowPath in some cases where the stub was unset. That's weird and
// it would be better not to do that. But it means that we have to defend
// ourselves here.
if (result.isSimple())
return result;
}
#else
UNUSED_PARAM(dfgBlock);
UNUSED_PARAM(dfgMap);
#endif
return computeFor(baselineBlock, baselineMap, codeOrigin.bytecodeIndex, uid);
}
PutByIdStatus PutByIdStatus::computeFor(CodeBlock* profiledBlock, StubInfoMap& map, unsigned bytecodeIndex, StringImpl* uid)
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
UNUSED_PARAM(profiledBlock);
UNUSED_PARAM(bytecodeIndex);
UNUSED_PARAM(uid);
#if ENABLE(DFG_JIT)
if (profiledBlock->likelyToTakeSlowCase(bytecodeIndex)
|| hasExitSite(locker, profiledBlock, bytecodeIndex))
return PutByIdStatus(TakesSlowPath);
StructureStubInfo* stubInfo = map.get(CodeOrigin(bytecodeIndex));
PutByIdStatus result = computeForStubInfo(
locker, profiledBlock, stubInfo, uid,
CallLinkStatus::computeExitSiteData(locker, profiledBlock, bytecodeIndex));
if (!result)
return computeFromLLInt(profiledBlock, bytecodeIndex, uid);
return result;
#else // ENABLE(JIT)
UNUSED_PARAM(map);
return PutByIdStatus(NoInformation);
#endif // ENABLE(JIT)
}
GetByIdStatus GetByIdStatus::computeFor(CodeBlock* profiledBlock, StubInfoMap& map, unsigned bytecodeIndex, StringImpl* uid)
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
GetByIdStatus result;
#if ENABLE(DFG_JIT)
result = computeForStubInfo(
locker, profiledBlock, map.get(CodeOrigin(bytecodeIndex)), uid);
if (!result.takesSlowPath()
&& (hasExitSite(locker, profiledBlock, bytecodeIndex)
|| profiledBlock->likelyToTakeSlowCase(bytecodeIndex)))
return GetByIdStatus(TakesSlowPath, true);
#else
UNUSED_PARAM(map);
#endif
if (!result)
return computeFromLLInt(profiledBlock, bytecodeIndex, uid);
return result;
}
GetByIdStatus GetByIdStatus::computeFor(CodeBlock* profiledBlock, StubInfoMap& map, unsigned bytecodeIndex, UniquedStringImpl* uid)
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
GetByIdStatus result;
#if ENABLE(DFG_JIT)
result = computeForStubInfo(
locker, profiledBlock, map.get(CodeOrigin(bytecodeIndex)), uid,
CallLinkStatus::computeExitSiteData(locker, profiledBlock, bytecodeIndex));
if (!result.takesSlowPath()
&& hasExitSite(locker, profiledBlock, bytecodeIndex))
return GetByIdStatus(result.makesCalls() ? MakesCalls : TakesSlowPath, true);
#else
UNUSED_PARAM(map);
#endif
if (!result)
return computeFromLLInt(profiledBlock, bytecodeIndex, uid);
return result;
}
PutByIdStatus PutByIdStatus::computeForStubInfo(const ConcurrentJITLocker& locker, CodeBlock* baselineBlock, StructureStubInfo* stubInfo, CodeOrigin codeOrigin, UniquedStringImpl* uid)
{
return computeForStubInfo(
locker, baselineBlock, stubInfo, uid,
CallLinkStatus::computeExitSiteData(locker, baselineBlock, codeOrigin.bytecodeIndex));
}