bool
BaselineInspector::isOptimizableCallStringSplit(jsbytecode* pc, JSString** stringOut, JSString** stringArg,
JSObject** objOut)
{
if (!hasBaselineScript())
return false;
const ICEntry& entry = icEntryFromPC(pc);
// If StringSplit stub is attached, must have only one stub attached.
if (entry.fallbackStub()->numOptimizedStubs() != 1)
return false;
ICStub* stub = entry.firstStub();
if (stub->kind() != ICStub::Call_StringSplit)
return false;
*stringOut = stub->toCall_StringSplit()->expectedThis();
*stringArg = stub->toCall_StringSplit()->expectedArg();
*objOut = stub->toCall_StringSplit()->templateObject();
return true;
}
NativeObject *
BaselineInspector::getTemplateObjectForNative(jsbytecode *pc, Native native)
{
if (!hasBaselineScript())
return nullptr;
const ICEntry &entry = icEntryFromPC(pc);
for (ICStub *stub = entry.firstStub(); stub; stub = stub->next()) {
if (stub->isCall_Native() && stub->toCall_Native()->callee()->native() == native)
return stub->toCall_Native()->templateObject();
if (stub->isCall_StringSplit() && native == js::str_split)
return stub->toCall_StringSplit()->templateObject();
}
return nullptr;
}
