diff --git a/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp b/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
--- a/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
@@ -944,11 +944,7 @@
     SmallVector<llvm::Metadata *> scopeMDs;
     for (SymbolRefAttr scopeRef : scopes.getAsRange<SymbolRefAttr>())
       scopeMDs.push_back(getAliasScope(*op, scopeRef));
-    llvm::MDNode *unionMD = nullptr;
-    if (scopeMDs.size() == 1)
-      unionMD = llvm::cast<llvm::MDNode>(scopeMDs.front());
-    else if (scopeMDs.size() >= 2)
-      unionMD = llvm::MDNode::get(module->getContext(), scopeMDs);
+    llvm::MDNode *unionMD = llvm::MDNode::get(module->getContext(), scopeMDs);
     inst->setMetadata(module->getMDKindID(llvmMetadataName), unionMD);
   };
 
diff --git a/mlir/test/Target/LLVMIR/llvmir.mlir b/mlir/test/Target/LLVMIR/llvmir.mlir
--- a/mlir/test/Target/LLVMIR/llvmir.mlir
+++ b/mlir/test/Target/LLVMIR/llvmir.mlir
@@ -1,6 +1,4 @@
 // RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s
-// This is failing the LLVM verifier after 8700f2bd36bb9b
-// XFAIL: *
 
 // CHECK: @global_aligned32 = private global i64 42, align 32
 "llvm.mlir.global"() ({}) {sym_name = "global_aligned32", type = i64, value = 42 : i64, linkage = #llvm.linkage<private>, alignment = 32} : () -> ()
@@ -1649,15 +1647,18 @@
 
 // Function
 // CHECK-LABEL: aliasScope
-// CHECK:  store {{.*}}, !alias.scope ![[SCOPE1:[0-9]+]], !noalias ![[SCOPES23:[0-9]+]]
-// CHECK:  store {{.*}}, !alias.scope ![[SCOPE2:[0-9]+]], !noalias ![[SCOPES13:[0-9]+]]
-// CHECK:  load {{.*}},  !alias.scope ![[SCOPE3:[0-9]+]], !noalias ![[SCOPES12:[0-9]+]]
+// CHECK:  store {{.*}}, !alias.scope ![[SCOPES1:[0-9]+]], !noalias ![[SCOPES23:[0-9]+]]
+// CHECK:  store {{.*}}, !alias.scope ![[SCOPES2:[0-9]+]], !noalias ![[SCOPES13:[0-9]+]]
+// CHECK:  load {{.*}},  !alias.scope ![[SCOPES3:[0-9]+]], !noalias ![[SCOPES12:[0-9]+]]
 
 // Metadata
 // CHECK-DAG: ![[DOMAIN:[0-9]+]] = distinct !{![[DOMAIN]], !"The domain"}
-// CHECK-DAG: ![[SCOPE1]] = distinct !{![[SCOPE1]], ![[DOMAIN]], !"The first scope"}
-// CHECK-DAG: ![[SCOPE2]] = distinct !{![[SCOPE2]], ![[DOMAIN]]}
-// CHECK-DAG: ![[SCOPE3]] = distinct !{![[SCOPE3]], ![[DOMAIN]]}
+// CHECK-DAG: ![[SCOPE1:[0-9]+]] = distinct !{![[SCOPE1]], ![[DOMAIN]], !"The first scope"}
+// CHECK-DAG: ![[SCOPE2:[0-9]+]] = distinct !{![[SCOPE2]], ![[DOMAIN]]}
+// CHECK-DAG: ![[SCOPE3:[0-9]+]] = distinct !{![[SCOPE3]], ![[DOMAIN]]}
+// CHECK-DAG: ![[SCOPES1]] = !{![[SCOPE1]]}
+// CHECK-DAG: ![[SCOPES2]] = !{![[SCOPE2]]}
+// CHECK-DAG: ![[SCOPES3]] = !{![[SCOPE3]]}
 // CHECK-DAG: ![[SCOPES12]] = !{![[SCOPE1]], ![[SCOPE2]]}
 // CHECK-DAG: ![[SCOPES13]] = !{![[SCOPE1]], ![[SCOPE3]]}
 // CHECK-DAG: ![[SCOPES23]] = !{![[SCOPE2]], ![[SCOPE3]]}