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

[Michael Maitland via llvm-commits]

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@@ -1058,8 +1053,28 @@ bool MIRParserImpl::initializeConstantPool(PerFunctionMIParsingState &PFS,
   return false;
 }
 
-bool MIRParserImpl::initializeJumpTableInfo(PerFunctionMIParsingState &PFS,
-    const yaml::MachineJumpTable &YamlJTI) {
+bool MIRParserImpl::initializeSaveRestorePoints(
+    PerFunctionMIParsingState &PFS, const yaml::SaveRestorePoints &YamlSRP,
+    bool IsSavePoints) {
+  MachineFunction &MF = PFS.MF;
+  MachineFrameInfo &MFI = MF.getFrameInfo();
+
+  if (!YamlSRP.empty()) {
+    const auto &Entry = YamlSRP.front();
+    const auto &MBBSource = Entry.Point;
+    MachineBasicBlock *MBB = nullptr;
+    if (parseMBBReference(PFS, MBB, MBBSource.Value))
+      return true;
+    if (IsSavePoints)
+      MFI.setSavePoint(MBB);
+    else
+      MFI.setRestorePoint(MBB);
+  }
+  return false;
+}
+
+bool MIRParserImpl::initializeJumpTableInfo(
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michaelmaitland wrote:

Looks like formatting unrelated to this patch occurred?

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