[llvm] [IR] Composable and Extensible Memory Cache Control Hints (PR #181612)

[Fei Peng via llvm-commits]

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@@ -5576,6 +5577,72 @@ void Verifier::visitAllocTokenMetadata(Instruction &I, MDNode *MD) {
         "expected integer constant", MD);
 }
 
+void Verifier::visitMemCacheHintMetadata(Instruction &I, MDNode *MD) {
+  Check(I.mayReadOrWriteMemory(),
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fiigii wrote:

Good point, reject non-intrinsic calls. 

https://github.com/llvm/llvm-project/pull/181612