[llvm] [llvm] Support multiple save/restore points in mir (PR #119357)

[Matt Arsenault via llvm-commits]

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@@ -618,6 +616,18 @@ void MIRPrinter::convert(yaml::MachineFunction &MF,
   }
 }
 
+void MIRPrinter::convert(ModuleSlotTracker &MST,
+                         yaml::SaveRestorePoints &YamlSRP,
+                         MachineBasicBlock *SRP) {
+  std::string Str;
+  yaml::SRPEntry Entry;
+  raw_string_ostream StrOS(Str);
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arsenm wrote:

raw_svector_ostream + SmallVector 

https://github.com/llvm/llvm-project/pull/119357