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

[Antonio Frighetto via llvm-commits]

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@@ -22,10 +23,13 @@
 #include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
+class Function;
 class FunctionPass;
+class MachineMemOperand;
 class MachineFunctionPass;
 class NVPTXTargetMachine;
 class PassRegistry;
+class Value;
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antoniofrighetto wrote:

Forward decls (here and above) now unused?

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