Index: llvm/test/ExecutionEngine/Orc/empty-entry-function.ll
===================================================================
--- /dev/null
+++ llvm/test/ExecutionEngine/Orc/empty-entry-function.ll
@@ -0,0 +1,9 @@
+; RUN: not lli --entry-function= %s 2>&1 | FileCheck %s
+;
+; Test empty entry-function yield an error.
+
+; CHECK: error: entry-function empty
+define i32 @main(i32 %argc, ptr %argv) {
+entry:
+  ret i32 0
+}
Index: llvm/tools/lli/lli.cpp
===================================================================
--- llvm/tools/lli/lli.cpp
+++ llvm/tools/lli/lli.cpp
@@ -446,6 +446,11 @@
 
   ExitOnErr(loadDylibs());
 
+  if (EntryFunc.empty()) {
+    WithColor::error(errs(), argv[0]) << "entry-function empty\n";
+    exit(1);
+  }
+
   if (UseJITKind == JITKind::MCJIT)
     disallowOrcOptions();
   else