[llvm] [SDAG][NVPTX] Cache control metadata support and lowering (PR #204067)

[Matt Arsenault via llvm-commits]

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@@ -3845,16 +3846,24 @@ bool MIParser::parseMachineMemoryOperand(MachineMemOperand *&Dest) {
       if (parseMDNode(Range))
         return true;
       break;
+    case MIToken::md_mem_cache_hint:
+      lex();
+      if (parseMDNode(MemCacheHint))
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arsenm wrote:

Missing parse error tests?

https://github.com/llvm/llvm-project/pull/204067