1222   SmallVector<BBState, 16> BBStack(1, MBB);  in AnalyzeBlock()  local
1224   while (!BBStack.empty()) {  in AnalyzeBlock()
1225     BBState &State = BBStack.back();  in AnalyzeBlock()
1231         BBStack.pop_back();  in AnalyzeBlock()
1248         BBStack.pop_back();  in AnalyzeBlock()
1256         BBStack.pop_back();  in AnalyzeBlock()
1264         BBStack.pop_back();  in AnalyzeBlock()
1270       BBStack.push_back(*BBI.FalseBB);  in AnalyzeBlock()
1271       BBStack.push_back(*BBI.TrueBB);  in AnalyzeBlock()
1281       BBStack.pop_back();  in AnalyzeBlock()
1427     BBStack.pop_back();  in AnalyzeBlock()