diff --git a/external/llvm-project b/external/llvm-project
index 881ff4e4e..84fe34a0b 160000
--- a/external/llvm-project
+++ b/external/llvm-project
@@ -1 +1 @@
-Subproject commit 881ff4e4ebe8cc0cc045c7c167cffb01f94f27f8
+Subproject commit 84fe34a0b7fdd7bbf179981d1583693d5d5ec68b
diff --git a/lib/Dialect/Torch/Transforms/GlobalizeObjectGraph.cpp b/lib/Dialect/Torch/Transforms/GlobalizeObjectGraph.cpp
index 29abe3314..bcd212c39 100644
--- a/lib/Dialect/Torch/Transforms/GlobalizeObjectGraph.cpp
+++ b/lib/Dialect/Torch/Transforms/GlobalizeObjectGraph.cpp
@@ -569,10 +569,10 @@ rewriteMonomorphizedFuncClone(FuncOp func, BlockAndValueMapping mapping,
     op->dropAllDefinedValueUses();
     op->erase();
   }
-  SmallVector<unsigned> argsToErase;
+  llvm::BitVector argsToErase(func.getNumArguments());
   for (auto type : llvm::enumerate(func.getArgumentTypes())) {
     if (type.value().isa<NnModuleType>()) {
-      argsToErase.push_back(type.index());
+      argsToErase.set(type.index());
     }
   }
   func.eraseArguments(argsToErase);
diff --git a/lib/Dialect/TorchConversion/Transforms/Passes.cpp b/lib/Dialect/TorchConversion/Transforms/Passes.cpp
index dd1aa472e..ecd4d1920 100644
--- a/lib/Dialect/TorchConversion/Transforms/Passes.cpp
+++ b/lib/Dialect/TorchConversion/Transforms/Passes.cpp
@@ -61,7 +61,7 @@ void TorchConversion::createTorchBackendToLinalgOnTensorsBackendPipeline(
   pm.addNestedPass<FuncOp>(createConvertTorchToLinalgPass());
   pm.addNestedPass<FuncOp>(createConvertTorchToStdPass());
   pm.addNestedPass<FuncOp>(createConvertTorchToSCFPass());
-  pm.addNestedPass<FuncOp>(createStdExpandOpsPass());
+  pm.addNestedPass<FuncOp>(memref::createExpandOpsPass());
 
   if (options.optimize) {
     // Clean up any non-canonical code introduced above..