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

[Philip Reames via llvm-commits]

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@@ -825,10 +825,21 @@ class MachineFrameInfo {
 
   void setCalleeSavedInfoValid(bool v) { CSIValid = v; }
 
-  MachineBasicBlock *getSavePoint() const { return Save; }
-  void setSavePoint(MachineBasicBlock *NewSave) { Save = NewSave; }
-  MachineBasicBlock *getRestorePoint() const { return Restore; }
-  void setRestorePoint(MachineBasicBlock *NewRestore) { Restore = NewRestore; }
+  const std::vector<MachineBasicBlock *> &getSavePoints() const {
+    return SavePoints;
+  }
+  void setSavePoints(std::vector<MachineBasicBlock *> NewSavePoints) {
+    SavePoints = std::move(NewSavePoints);
+  }
+  const std::vector<MachineBasicBlock *> getRestorePoints() const {
+    return RestorePoints;
+  }
+  void setRestorePoints(std::vector<MachineBasicBlock *> NewRestorePoints) {
+    RestorePoints = std::move(NewRestorePoints);
+  }
+
+  void clearSavePoints() { SavePoints.clear(); }
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preames wrote:

You don't need these, you can use setSavePoints({});

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