791   Pattern *MatchRoot = nullptr;  member in __anon569e2aa20111::CombineRuleBuilder
826   assert(MatchRoot);  in emitRuleMatchers()
831     switch (MatchRoot->getKind()) {  in emitRuleMatchers()
833       if (!emitMatchPattern(CE, Alts, *cast<AnyOpcodePattern>(MatchRoot)))  in emitRuleMatchers()
840       if (!emitMatchPattern(CE, Alts, *cast<InstructionPattern>(MatchRoot)))  in emitRuleMatchers()
887       if (Pat.get() == MatchRoot)  in print()
1146   assert(MatchRoot && "Cannot call this before findRoots()");  in checkSemantics()
1242       const auto *IRoot = dyn_cast<CodeGenInstructionPattern>(MatchRoot);  in checkSemantics()
1268       if (MatchOpTable.getDef(OldRegName) != MatchRoot) {  in checkSemantics()
1340     assert(MatchRoot);  in findRoots()
1345     auto *IPRoot = dyn_cast<InstructionPattern>(MatchRoot);  in findRoots()
1400     MatchRoot = MatchPatIt->second.get();  in findRoots()
1412   MatchRoot = LookupRes.Def;  in findRoots()
1413   if (!MatchRoot) {  in findRoots()
1808       M.getInsnVarID(M.getInstructionMatcher(MatchRoot->getName()));  in emitApplyPatterns()
1958       if (OpLookupRes.Def != MatchRoot) {  in emitInstructionApplyPattern()
2097     assert(MatchOpTable.getDef(Old) == MatchRoot);  in emitBuiltinApplyPattern()