Target/Hexagon/HexagonHardwareLoops.cpp

436   MachineBasicBlock *TB = nullptr, *FB = nullptr;
437   bool NotAnalyzed = TII->AnalyzeBranch(*ExitingBlock, TB, FB, Cond, false);
583   MachineBasicBlock *TB = nullptr, *FB = nullptr;
584   bool NotAnalyzed = TII->AnalyzeBranch(*ExitingBlock, TB, FB, Cond, false);
589   // TB must be non-null.  If FB is also non-null, one of them must be
590   // the header.  Otherwise, branch to TB could be exiting the loop, and
592   assert (TB && "Exit block without a branch?");
593   if (ExitingBlock != Latch && (TB == Latch || FB == Latch)) {
599     if (TB == Latch)
600       TB = (LTB == Header) ? LTB : LFB;
604   assert ((!FB || TB == Header || FB == Header) && "Branches not to header?");
605   if (!TB || (FB && TB != Header && FB != Header))
610   // If TB is not the header, it means that the "not-taken" path must lead
612   bool Negated = TII->predOpcodeHasNot(Cond) ^ (TB != Header);
1184     MachineBasicBlock *TB = 0, *FB = 0;
1187     if (TII->AnalyzeBranch(*ExitingBlock, TB, FB, Cond, false))
1190     if (L->contains(TB))
1191       LoopStart = TB;
1619   MachineBasicBlock *TB = nullptr, *FB = nullptr;
1622   bool NotAnalyzed = TII->AnalyzeBranch(*ExitingBlock, TB, FB, Cond, false);
1626   if (ExitingBlock != Latch && (TB == Latch || FB == Latch)) {
1635     if (TB == Latch)
1636       TB = (LTB == Header) ? LTB : LFB;
1640   if (TB != Header) {
1646     // In this case, the LoopBody -> TB should not be a back edge otherwise
1649     // Jmp_c OuterLoopHeader <-- TB
1651     if (MDT->dominates(TB, FB))
1838   MachineBasicBlock *TB = nullptr, *FB = nullptr;
1840   if (TII->AnalyzeBranch(*ExitingBlock, TB, FB, Tmp1, false))
1845     bool NotAnalyzed = TII->AnalyzeBranch(*PB, TB, FB, Tmp1, false);
1925   TB = FB = nullptr;
1931       bool NotAnalyzed = TII->AnalyzeBranch(*PB, TB, FB, Tmp2, false);
1934       if (TB != Header && (Tmp2.empty() || FB != Header))
1942   TB = FB = nullptr;
1943   bool LatchNotAnalyzed = TII->AnalyzeBranch(*Latch, TB, FB, Tmp2, false);
1946   if (!TB && !FB)