70     MachineBasicBlock *MBB = WL.pop_back_val();  in getMatchingEHPad()  local
71     if (Visited.count(MBB))  in getMatchingEHPad()
73     Visited.insert(MBB);  in getMatchingEHPad()
74     if (MBB->isEHPad()) {  in getMatchingEHPad()
75       if (EHPad && EHPad != MBB)  in getMatchingEHPad()
77       EHPad = MBB;  in getMatchingEHPad()
80     if (MBB == &MF->front())  in getMatchingEHPad()
82     WL.append(MBB->pred_begin(), MBB->pred_end());  in getMatchingEHPad()
93     MachineBasicBlock *MBB = WL.pop_back_val();  in eraseDeadBBsAndChildren()  local
94     if (!MBB->pred_empty())  in eraseDeadBBsAndChildren()
96     SmallVector<MachineBasicBlock *, 4> Succs(MBB->succ_begin(),  in eraseDeadBBsAndChildren()
97                                               MBB->succ_end());  in eraseDeadBBsAndChildren()
98     WL.append(MBB->succ_begin(), MBB->succ_end());  in eraseDeadBBsAndChildren()
100       MBB->removeSuccessor(Succ);  in eraseDeadBBsAndChildren()
101     MBB->eraseFromParent();  in eraseDeadBBsAndChildren()
131   for (auto &MBB : MF) {  in removeUnnecessaryUnreachables()  local
132     for (auto &MI : MBB) {  in removeUnnecessaryUnreachables()
141       MBB.erase(std::next(MachineBasicBlock::iterator(MI)), MBB.end());  in removeUnnecessaryUnreachables()
142       SmallVector<MachineBasicBlock *, 8> Succs(MBB.succ_begin(),  in removeUnnecessaryUnreachables()
143                                                 MBB.succ_end());  in removeUnnecessaryUnreachables()
145         MBB.removeSuccessor(Succ);  in removeUnnecessaryUnreachables()
158   for (auto &MBB : MF) {  in replaceFuncletReturns()  local
159     auto Pos = MBB.getFirstTerminator();  in replaceFuncletReturns()
160     if (Pos == MBB.end())  in replaceFuncletReturns()
168       if (!MBB.isLayoutSuccessor(TBB))  in replaceFuncletReturns()
169         BuildMI(MBB, TI, TI->getDebugLoc(), TII.get(WebAssembly::BR))  in replaceFuncletReturns()
177       if (EHInfo->hasThrowUnwindDest(&MBB))  in replaceFuncletReturns()
178         BuildMI(MBB, TI, TI->getDebugLoc(), TII.get(WebAssembly::RETHROW))  in replaceFuncletReturns()
179             .addMBB(EHInfo->getThrowUnwindDest(&MBB));  in replaceFuncletReturns()
181         BuildMI(MBB, TI, TI->getDebugLoc(),  in replaceFuncletReturns()
208   for (auto &MBB : MF)  in hoistCatches()  local
209     for (auto &MI : MBB)  in hoistCatches()
229   for (auto &MBB : MF) {  in addCatchAlls()  local
230     if (!MBB.isEHPad())  in addCatchAlls()
234     if (!WebAssembly::isCatch(*MBB.begin())) {  in addCatchAlls()
236       BuildMI(MBB, MBB.begin(), MBB.begin()->getDebugLoc(),  in addCatchAlls()
249   for (auto &MBB : MF)  in addRethrows()  local
250     for (auto &MI : MBB) {  in addRethrows()
262       while (InsertPt != MBB.end() && InsertPt->isLabel()) // Skip EH_LABELs  in addRethrows()
265       if (EHInfo->hasThrowUnwindDest(&MBB))  in addRethrows()
266         Rethrow = BuildMI(MBB, InsertPt, MI.getDebugLoc(),  in addRethrows()
268                       .addMBB(EHInfo->getThrowUnwindDest(&MBB));  in addRethrows()
270         Rethrow = BuildMI(MBB, InsertPt, MI.getDebugLoc(),  in addRethrows()
277       MBB.erase(std::next(MachineBasicBlock::iterator(Rethrow)), MBB.end());  in addRethrows()
279       for (auto *Succ : MBB.successors())  in addRethrows()
283         MBB.removeSuccessor(Succ);  in addRethrows()
305   for (auto &MBB : MF)  in ensureSingleBBTermPads()  local
306     for (auto &MI : MBB)  in ensureSingleBBTermPads()
358   for (auto &MBB : MF)  in mergeTerminatePads()  local
359     if (WebAssembly::isCatchTerminatePad(MBB))  in mergeTerminatePads()
360       TermPads.push_back(&MBB);  in mergeTerminatePads()
394   for (auto &MBB : MF)  in addCatchAllTerminatePads()  local
395     if (WebAssembly::isCatchTerminatePad(MBB))  in addCatchAllTerminatePads()
396       TermPads.push_back(&MBB);  in addCatchAllTerminatePads()