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

[via llvm-commits]

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@@ -374,7 +375,21 @@ void CodeGenIntrinsic::setProperty(const Record *R) {
     ME &= MemoryEffects::argMemOnly();
   else if (R->getName() == "IntrInaccessibleMemOnly")
     ME &= MemoryEffects::inaccessibleMemOnly();
-  else if (R->getName() == "IntrInaccessibleMemOrArgMemOnly")
+  else if (R->isSubClassOf("IntrRead")) {
+    MemoryEffects ReadMask = MemoryEffects::writeOnly();
+    for (const Record *RLoc : R->getValueAsListOfDefs("Loc"))
+      ReadMask = ReadMask.getWithModRef(getValueAsIRMemLocation(RLoc),
+                                        ModRefInfo::ModRef);
+    ME &= ReadMask;
+
+  } else if (R->isSubClassOf("IntrWrite")) {
+    MemoryEffects WriteMask = MemoryEffects::readOnly();
+    for (const Record *RLoc : R->getValueAsListOfDefs("Loc"))
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CarolineConcatto wrote:

It was for Record, but I can change

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