[llvm] [NVPTX] Add syncscope support for cmpxchg (PR #140812)

[Alex MacLean via llvm-commits]

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@@ -523,6 +523,40 @@ static unsigned int getCodeAddrSpace(const MemSDNode *N) {
       .value_or(NVPTX::AddressSpace::Generic);
 }
 
+unsigned int NVPTXDAGToDAGISel::getAddrSpace(const MemSDNode *N) const {
+  return convertAS(N->getMemOperand()->getAddrSpace())
+      .value_or(NVPTX::AddressSpace::Generic);
+}
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AlexMaclean wrote:

This looks like an exact copy of the above `getCodeAddrSpace`. Can one of these be removed?

https://github.com/llvm/llvm-project/pull/140812