diff --git a/lldb/source/Plugins/ExpressionParser/Swift/SwiftExpressionParser.cpp b/lldb/source/Plugins/ExpressionParser/Swift/SwiftExpressionParser.cpp
index 49e2a3f571a13..c31c28ccd7c42 100644
--- a/lldb/source/Plugins/ExpressionParser/Swift/SwiftExpressionParser.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Swift/SwiftExpressionParser.cpp
@@ -2004,8 +2004,9 @@ SwiftExpressionParser::Parse(DiagnosticManager &diagnostic_manager,
         llvm::ArrayRef<std::string>());
 
     if (GenModule) {
-      swift::performLLVMOptimizations(IRGenOpts, GenModule.getModule(),
-                                      GenModule.getTargetMachine(), nullptr);
+      swift::performLLVMOptimizations(
+          IRGenOpts, m_swift_ast_ctx.GetDiagnosticEngine(), nullptr,
+          GenModule.getModule(), GenModule.getTargetMachine(), nullptr);
     }
     auto ContextAndModule = std::move(GenModule).release();
     m_llvm_context.reset(ContextAndModule.first);