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

[Matt Arsenault via llvm-commits]

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@@ -749,9 +753,16 @@ bool GCNDPPCombine::combineDPPMov(MachineInstr &MovMI) const {
   return !Rollback;
 }
 
-bool GCNDPPCombine::runOnMachineFunction(MachineFunction &MF) {
+bool GCNDPPCombineLegacy::runOnMachineFunction(MachineFunction &MF) {
+  if (skipFunction(MF.getFunction())) {
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arsenm wrote:

Don't need braces 

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