[llvm] [GISel][NewPM] Port LoadStoreOpt (PR #217190)

[Alexis Engelke via llvm-commits]

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@@ -75,11 +76,24 @@ LLVM_ABI bool instMayAlias(const MachineInstr &MI, const MachineInstr &Other,
 
 using namespace GISelAddressing;
 
-class LLVM_ABI LoadStoreOpt : public MachineFunctionPass {
+class LLVM_ABI LoadStoreOptLegacy : public MachineFunctionPass {
 public:
   static char ID;
 
-private:
+  LoadStoreOptLegacy();
+
+  StringRef getPassName() const override { return "LoadStoreOpt"; }
+
+  MachineFunctionProperties getRequiredProperties() const override {
+    return MachineFunctionProperties().setIsSSA();
+  }
+
+  void getAnalysisUsage(AnalysisUsage &AU) const override;
+
+  bool runOnMachineFunction(MachineFunction &MF) override;
+};
+
+class LoadStoreOptImpl {
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aengelke wrote:

Move this class to the .cpp file?

https://github.com/llvm/llvm-project/pull/217190