private DataFlowAnalyzer(
ControlFlowGraph cfg,
IMethodSymbol lambdaOrLocalFunction,
FlowGraphAnalysisData parentAnalysisData)
{
_analysisData = FlowGraphAnalysisData.Create(cfg, lambdaOrLocalFunction, parentAnalysisData);
var entryBlockAnalysisData = GetEmptyAnalysisData();
entryBlockAnalysisData.SetAnalysisDataFrom(parentAnalysisData.CurrentBlockAnalysisData);
_analysisData.SetBlockAnalysisData(cfg.EntryBlock(), entryBlockAnalysisData);
}