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

[Michael Maitland via llvm-commits]

================
@@ -1058,8 +1053,28 @@ bool MIRParserImpl::initializeConstantPool(PerFunctionMIParsingState &PFS,
   return false;
 }
 
-bool MIRParserImpl::initializeJumpTableInfo(PerFunctionMIParsingState &PFS,
-    const yaml::MachineJumpTable &YamlJTI) {
+bool MIRParserImpl::initializeSaveRestorePoints(
----------------
michaelmaitland wrote:

Add docstring clarifying what it means when true/false is returned?

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