diff --git a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
--- a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -1344,8 +1344,8 @@
         handleAccess(A, *MI, Ptr, nullptr, AccessKind::AK_WRITE, 0, Changed,
                      nullptr, LengthVal);
       } else if (ArgNo == 1) {
-        handleAccess(A, *MI, Ptr, nullptr, AccessKind::AK_READ, 0, Changed,
-                     nullptr, LengthVal);
+        handleAccess(A, *MI, Ptr, nullptr, AccessKind::AK_READ_WRITE, 0,
+                     Changed, nullptr, LengthVal);
       } else {
         LLVM_DEBUG(dbgs() << "[AAPointerInfo] Unhandled memory intrinsic "
                           << *MI << "\n");