[llvm] [NVPTX][NVPTXLowerArgs] Add NewPM interface for NVPTXLowerArgs (PR #128960)

[Artem Belevich via llvm-commits]

================
@@ -571,8 +560,7 @@ void copyByValParam(Function &F, Argument &Arg) {
 }
 } // namespace
 
-void NVPTXLowerArgs::handleByValParam(const NVPTXTargetMachine &TM,
-                                      Argument *Arg) {
+static void handleByValParam(const NVPTXTargetMachine &TM, Argument *Arg) {
----------------
Artem-B wrote:

For what it's worth, there are currently ~1200 files with "namespace {" under llvm/lib. `static` is mentioned in 1500 files. That's out of ~4500 files, so it appears that both static and namespace are about equally popular.

https://github.com/llvm/llvm-project/pull/128960