[llvm] AMDGPU/NewPM Port GCNDPPCombine to NPM (PR #105816)

[Christudasan Devadasan via llvm-commits]

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@@ -76,12 +77,17 @@ class GCNDPPCombine : public MachineFunctionPass {
 
   bool combineDPPMov(MachineInstr &MI) const;
 
+  int getDPPOp(unsigned Op, bool IsShrinkable) const;
+  bool isShrinkable(MachineInstr &MI) const;
+
+public:
+  bool run(MachineFunction &MF);
+};
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cdevadas wrote:

Missing getRequiredProperties() in the NPM path.

https://github.com/llvm/llvm-project/pull/105816