Target/Hexagon/HexagonCFGOptimizer.cpp

148         MachineBasicBlock* JumpAroundTarget = nullptr;
152           JumpAroundTarget = SecondSucc;
155           JumpAroundTarget = FirstSucc;
160         // The target of the unconditional branch must be JumpAroundTarget.
168         if (!LayoutSucc || (CondBranchTarget != JumpAroundTarget)) {
180             bool case1 = LayoutSucc->isLayoutSuccessor(JumpAroundTarget);
181             bool case2 = JumpAroundTarget->isSuccessor(UncondTarget) &&
182               JumpAroundTarget->size() >= 1 &&
183               IsUnconditionalJump(JumpAroundTarget->back().getOpcode()) &&
184               JumpAroundTarget->pred_size() == 1 &&
185               JumpAroundTarget->succ_size() == 1;
189               MBB->replaceSuccessor(JumpAroundTarget, UncondTarget);
193               LayoutSucc->replaceSuccessor(UncondTarget, JumpAroundTarget);
198                 JumpAroundTarget->moveAfter(LayoutSucc);
202                   UncondTarget->moveAfter(JumpAroundTarget);
209               // JumpAroundTarget.
214                   JumpAroundTarget->livein_begin(),
215                   JumpAroundTarget->livein_end());