569   MachineBasicBlock::iterator FIE = FalseBBI.BB->end();  in ValidDiamond()  local
570   while (TIB != TIE && FIB != FIE) {  in ValidDiamond()
579       while (FIB != FIE && FIB->isDebugValue())  in ValidDiamond()
581       if (FIB == FIE)  in ValidDiamond()
598   while (FIE != FIB) {  in ValidDiamond()
599     --FIE;  in ValidDiamond()
600     if (!FIE->isBranch())  in ValidDiamond()
606   if (TIB == TIE || FIB == FIE)  in ValidDiamond()
610   while (TIE != TIB && FIE != FIB) {  in ValidDiamond()
618     if (FIE->isDebugValue()) {  in ValidDiamond()
619       while (FIE != FIB && FIE->isDebugValue())  in ValidDiamond()
620         --FIE;  in ValidDiamond()
621       if (FIE == FIB)  in ValidDiamond()
624     if (!TIE->isIdenticalTo(FIE))  in ValidDiamond()
628     --FIE;  in ValidDiamond()