64     MachineInstr *Insert) const {  in getSinkableDebugValues()
67   // DBG_VALUEs between Def and Insert  in getSinkableDebugValues()
70   if (Def->getParent() == Insert->getParent()) {  in getSinkableDebugValues()
71     // When Def and Insert are within the same BB, check if Insert comes after  in getSinkableDebugValues()
77       if (&*MI == Insert) {  in getSinkableDebugValues()
87   } else { // Def and Insert are in different BBs  in getSinkableDebugValues()
88     // If Def and Insert are in different BBs, we only handle a simple case in  in getSinkableDebugValues()
89     // which Insert's BB is a successor of Def's BB.  in getSinkableDebugValues()
90     if (!Def->getParent()->isSuccessor(Insert->getParent()))  in getSinkableDebugValues()
94     // 'Insert BB's begin~Insert'  in getSinkableDebugValues()
101     for (MachineBasicBlock::iterator MI = Insert->getParent()->begin(),  in getSinkableDebugValues()
102                                      ME = Insert->getIterator();  in getSinkableDebugValues()
109   // Gather DebugVariables that are seen between Def and Insert, excluding our  in getSinkableDebugValues()
122   // another DBG_VALUE between Def and Insert referring to the same  in getSinkableDebugValues()
221     MachineInstr *Insert) const {  in isInsertSamePlace()
222   if (Def->getParent() != Insert->getParent())  in isInsertSamePlace()
225                                    ME = Insert;  in isInsertSamePlace()
244 // 'Insert'. Convert the original DBG_VALUEs into undefs.
246 // For DBG_VALUEs to sink properly, if 'Def' and 'Insert' are within the same
247 // BB, 'Insert' should be below 'Def'; if they are in different BBs, 'Insert'
253 void WebAssemblyDebugValueManager::sink(MachineInstr *Insert) {  in sink()  argument
260   //   %1 = anotherinst        // Insert  in sink()
267   //   %1 = anotherinst        // Insert  in sink()
268   if (isInsertSamePlace(Insert))  in sink()
271   MachineBasicBlock *MBB = Insert->getParent();  in sink()
275   // Def, because we need to examine instructions between Def and Insert.  in sink()
277       getSinkableDebugValues(Insert);  in sink()
286   MBB->splice(Insert, Def->getParent(), Def);  in sink()
291   // Clone sinkable DBG_VALUEs and insert them.  in sink()
295     MBB->insert(Insert, Clone);  in sink()
345 // 'Insert'.
347 // For DBG_VALUEs to be cloned properly, if 'Def' and 'Insert' are within the
348 // same BB, 'Insert' should be below 'Def'; if they are in different BBs,
349 // 'Insert' should be in one of 'Def's BBs successors. Def will be cloned
354 void WebAssemblyDebugValueManager::cloneSink(MachineInstr *Insert,  in cloneSink()  argument
357   MachineBasicBlock *MBB = Insert->getParent();  in cloneSink()
361       getSinkableDebugValues(Insert);  in cloneSink()
373     MBB->insert(Insert, Clone);  in cloneSink()
379   // Clone sinkable DBG_VALUEs and insert them.  in cloneSink()
383     MBB->insert(Insert, Clone);  in cloneSink()