550   MachineBasicBlock::iterator FIE = FalseBBI.BB->end();  in ValidDiamond()  local
551   while (TIB != TIE && FIB != FIE) {  in ValidDiamond()
560       while (FIB != FIE && FIB->isDebugValue())  in ValidDiamond()
562       if (FIB == FIE)  in ValidDiamond()
579   while (FIE != FIB) {  in ValidDiamond()
580     --FIE;  in ValidDiamond()
581     if (!FIE->getDesc().isBranch())  in ValidDiamond()
587   if (TIB == TIE || FIB == FIE)  in ValidDiamond()
591   while (TIE != TIB && FIE != FIB) {  in ValidDiamond()
599     if (FIE->isDebugValue()) {  in ValidDiamond()
600       while (FIE != FIB && FIE->isDebugValue())  in ValidDiamond()
601         --FIE;  in ValidDiamond()
602       if (FIE == FIB)  in ValidDiamond()
605     if (!TIE->isIdenticalTo(FIE))  in ValidDiamond()
609     --FIE;  in ValidDiamond()