280     /// The desired flow is: phi ---> bump -+-> comparison-in-latch.
289     ///        +-> comparison-in-latch (against upper_bound-bump),
296     /// couldn't be identified, or if the value in the latch's comparison
411   MachineBasicBlock *Latch = L->getLoopLatch();  in findInductionRegister()  local
413   if (!Header || !Preheader || !Latch || !ExitingBlock)  in findInductionRegister()
435     // latch block, and see if is a result of an addition of form "reg+imm",  in findInductionRegister()
438       if (Phi->getOperand(i+1).getMBB() != Latch)  in findInductionRegister()
609   MachineBasicBlock *Latch = L->getLoopLatch();  in getLoopTripCount()  local
614     else if (MBB == Latch)  in getLoopTripCount()
631   if (ExitingBlock != Latch && (TB == Latch || FB == Latch)) {  in getLoopTripCount()
634     bool NotAnalyzed = TII->analyzeBranch(*Latch, LTB, LFB, LCond, false);  in getLoopTripCount()
637     if (TB == Latch)  in getLoopTripCount()
1189   // Is the induction variable bump feeding the latch condition?  in convertToHardwareLoop()
1593   MachineBasicBlock *Latch = L->getLoopLatch();  in fixupInductionVariable()  local
1596   if (!(Header && Latch && ExitingBlock))  in fixupInductionVariable()
1609   //   %1 = PHI ..., [ latch, %2 ]  in fixupInductionVariable()
1619       if (Phi->getOperand(i+1).getMBB() != Latch)  in fixupInductionVariable()
1649   if (ExitingBlock != Latch && (TB == Latch || FB == Latch)) {  in fixupInductionVariable()
1652     bool NotAnalyzed = TII->analyzeBranch(*Latch, LTB, LFB, LCond, false);  in fixupInductionVariable()
1656     // Since latch is not the exiting block, the latch branch should be an  in fixupInductionVariable()
1658     if (TB == Latch)  in fixupInductionVariable()
1665       // The latch/exit block does not go back to the header.  in fixupInductionVariable()
1671     // This case can happen when the Latch has two jumps like this:  in fixupInductionVariable()
1839   MachineBasicBlock *Latch = L->getLoopLatch();  in createPreheaderForLoop()  local
1849   if (!Latch || !ExitingBlock || Header->hasAddressTaken())  in createPreheaderForLoop()
1876     // the loop latch.  Any additional predecessors of the header should  in createPreheaderForLoop()
1893       // Copy all non-latch operands of a header's PHI node to the newly  in createPreheaderForLoop()
1899         if (PredB == Latch)  in createPreheaderForLoop()
1912         if (PredB != Latch) {  in createPreheaderForLoop()
1923     // The header has only two predecessors, but the non-latch predecessor  in createPreheaderForLoop()
1933         if (MO.getMBB() != Latch)  in createPreheaderForLoop()
1948     if (PB != Latch) {  in createPreheaderForLoop()
1959   // It can happen that the latch block will fall through into the header.  in createPreheaderForLoop()
1962   bool LatchNotAnalyzed = TII->analyzeBranch(*Latch, TB, FB, Tmp2, false);  in createPreheaderForLoop()
1966     TII->insertBranch(*Latch, Header, nullptr, EmptyCond, DL);  in createPreheaderForLoop()