[llvm-branch-commits] [llvm] [NewPM][CodeGen] Port LiveRegMatrix to NPM (PR #109938)

[Matt Arsenault via llvm-branch-commits]

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@@ -57,15 +59,21 @@ class LiveRegMatrix : public MachineFunctionPass {
   unsigned RegMaskVirtReg = 0;
   BitVector RegMaskUsable;
 
-  // MachineFunctionPass boilerplate.
-  void getAnalysisUsage(AnalysisUsage &) const override;
-  bool runOnMachineFunction(MachineFunction &) override;
-  void releaseMemory() override;
+  LiveRegMatrix() = default;
+  void releaseMemory();
 
 public:
-  static char ID;
-
-  LiveRegMatrix();
+  LiveRegMatrix(LiveRegMatrix &&Other)
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arsenm wrote:

Why does this need a move constructor? 

https://github.com/llvm/llvm-project/pull/109938