67     unsigned postOffset(const MachineBasicBlock &MBB) const {  in postOffset()
69       const Align Alignment = MBB.getAlignment();  in postOffset()
70       const Align ParentAlign = MBB.getParent()->getAlignment();  in postOffset()
100   uint64_t computeBlockSize(const MachineBasicBlock &MBB) const;
127   for (MachineBasicBlock &MBB : *MF) {  in INITIALIZE_PASS()
128     const unsigned Num = MBB.getNumber();  in INITIALIZE_PASS()
129     assert(!Num || BlockInfo[PrevNum].postOffset(MBB) <= BlockInfo[Num].Offset);  in INITIALIZE_PASS()
130     assert(BlockInfo[Num].Size == computeBlockSize(MBB));  in INITIALIZE_PASS()
139   for (auto &MBB : *MF) {  in dumpBBs()
140     const BasicBlockInfo &BBI = BlockInfo[MBB.getNumber()];  in dumpBBs()
141     dbgs() << format("%%bb.%u\toffset=%08x\t", MBB.getNumber(), BBI.Offset)  in dumpBBs()
157   for (MachineBasicBlock &MBB : *MF)  in scanFunction()
158     BlockInfo[MBB.getNumber()].Size = computeBlockSize(MBB);  in scanFunction()
165 uint64_t BranchRelaxation::computeBlockSize(const MachineBasicBlock &MBB) const {  in computeBlockSize()
167   for (const MachineInstr &MI : MBB)  in computeBlockSize()
176   const MachineBasicBlock *MBB = MI.getParent();  in getInstrOffset()  local
181   unsigned Offset = BlockInfo[MBB->getNumber()].Offset;  in getInstrOffset()
184   for (MachineBasicBlock::const_iterator I = MBB->begin(); &*I != &MI; ++I) {  in getInstrOffset()
185     assert(I != MBB->end() && "Didn't find MI in its own basic block?");  in getInstrOffset()
194   for (auto &MBB :  in adjustBlockOffsets()  local
196     unsigned Num = MBB.getNumber();  in adjustBlockOffsets()
199     BlockInfo[Num].Offset = BlockInfo[PrevNum].postOffset(MBB);  in adjustBlockOffsets()
297   MachineBasicBlock *MBB = MI.getParent();  in fixupConditionalBranch()  local
302   auto insertUncondBranch = [&](MachineBasicBlock *MBB,  in fixupConditionalBranch()
304     unsigned &BBSize = BlockInfo[MBB->getNumber()].Size;  in fixupConditionalBranch()
306     TII->insertUnconditionalBranch(*MBB, DestBB, DL, &NewBrSize);  in fixupConditionalBranch()
309   auto insertBranch = [&](MachineBasicBlock *MBB, MachineBasicBlock *TBB,  in fixupConditionalBranch()  argument
312     unsigned &BBSize = BlockInfo[MBB->getNumber()].Size;  in fixupConditionalBranch()
314     TII->insertBranch(*MBB, TBB, FBB, Cond, DL, &NewBrSize);  in fixupConditionalBranch()
317   auto removeBranch = [&](MachineBasicBlock *MBB) {  in fixupConditionalBranch()  argument
318     unsigned &BBSize = BlockInfo[MBB->getNumber()].Size;  in fixupConditionalBranch()
320     TII->removeBranch(*MBB, &RemovedSize);  in fixupConditionalBranch()
324   auto finalizeBlockChanges = [&](MachineBasicBlock *MBB,  in fixupConditionalBranch()
327     adjustBlockOffsets(*MBB);  in fixupConditionalBranch()
334   bool Fail = TII->analyzeBranch(*MBB, TBB, FBB, Cond);  in fixupConditionalBranch()
358                         << MBB->back());  in fixupConditionalBranch()
360       removeBranch(MBB);  in fixupConditionalBranch()
361       insertBranch(MBB, FBB, TBB, Cond);  in fixupConditionalBranch()
362       finalizeBlockChanges(MBB, nullptr);  in fixupConditionalBranch()
368       NewBB = createNewBlockAfter(*MBB);  in fixupConditionalBranch()
373       MBB->replaceSuccessor(FBB, NewBB);  in fixupConditionalBranch()
379     MachineBasicBlock &NextBB = *std::next(MachineFunction::iterator(MBB));  in fixupConditionalBranch()
385     removeBranch(MBB);  in fixupConditionalBranch()
387     insertBranch(MBB, &NextBB, TBB, Cond);  in fixupConditionalBranch()
389     finalizeBlockChanges(MBB, NewBB);  in fixupConditionalBranch()
395                     << "  Insert a new BB after " << MBB->back());  in fixupConditionalBranch()
398     FBB = &(*std::next(MachineFunction::iterator(MBB)));  in fixupConditionalBranch()
411   NewBB = createNewBlockAfter(*MBB);  in fixupConditionalBranch()
422   MBB->replaceSuccessor(TBB, NewBB);  in fixupConditionalBranch()
426   removeBranch(MBB);  in fixupConditionalBranch()
427   insertBranch(MBB, NewBB, FBB, Cond);  in fixupConditionalBranch()
429   finalizeBlockChanges(MBB, NewBB);  in fixupConditionalBranch()
434   MachineBasicBlock *MBB = MI.getParent();  in fixupUnconditionalBranch()  local
444   BlockInfo[MBB->getNumber()].Size -= OldBrSize;  in fixupUnconditionalBranch()
446   MachineBasicBlock *BranchBB = MBB;  in fixupUnconditionalBranch()
450   if (!MBB->empty()) {  in fixupUnconditionalBranch()
451     BranchBB = createNewBlockAfter(*MBB);  in fixupUnconditionalBranch()
454     for (const MachineBasicBlock *Succ : MBB->successors()) {  in fixupUnconditionalBranch()
461     MBB->replaceSuccessor(DestBB, BranchBB);  in fixupUnconditionalBranch()
469   adjustBlockOffsets(*MBB);  in fixupUnconditionalBranch()
479     MachineBasicBlock &MBB = *I;  in relaxBranchInstructions()  local
482     MachineBasicBlock::iterator Last = MBB.getLastNonDebugInstr();  in relaxBranchInstructions()
483     if (Last == MBB.end())  in relaxBranchInstructions()
505     for (MachineBasicBlock::iterator J = MBB.getFirstTerminator();  in relaxBranchInstructions()
506          J != MBB.end(); J = Next) {  in relaxBranchInstructions()
520         if (Next != MBB.end() && Next->isConditionalBranch()) {  in relaxBranchInstructions()
534         Next = MBB.getFirstTerminator();  in relaxBranchInstructions()