[clang] [llvm] Extend MemoryEffects to Support Target-Specific Memory Locations (PR #148650)

[Paul Walker via llvm-commits]

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@@ -449,6 +462,22 @@ void CodeGenIntrinsic::setProperty(const Record *R) {
   }
 }
 
+llvm::IRMemLocation
+CodeGenIntrinsic::getValueAsIRMemLocation(const Record *R) const {
+  StringRef Name = R->getName();
+  IRMemLocation Loc =
+      StringSwitch<IRMemLocation>(Name)
+          .Case("TargetMem0", IRMemLocation::TargetMem0)
+          .Case("TargetMem1", IRMemLocation::TargetMem1)
+          .Case("InaccessibleMem", IRMemLocation::InaccessibleMem)
+          .Default(IRMemLocation::Other); // fallback enum
+
+  if (Loc == IRMemLocation::Other)
+    PrintFatalError(R->getLoc(), "unknown Target IRMemLocation: " + Name);
----------------
paulwalker-arm wrote:

```suggestion
    PrintFatalError(R->getLoc(), "unknown IRMemLocation: " + Name);
```

https://github.com/llvm/llvm-project/pull/148650