1 files changed, 20 insertions, 0 deletions
diff --git a/test/ELF/lto/keep-undefined.ll b/test/ELF/lto/keep-undefined.ll
new file mode 100644
index 000000000000..cb0f4ce491f9
--- /dev/null
+++ b/test/ELF/lto/keep-undefined.ll
@@ -0,0 +1,20 @@
+; REQUIRES: x86
+; This test checks that symbols which are specified in "-u" switches
+; are kept over LTO if we link an executable.
+; RUN: llvm-as %s -o %t.o
+; RUN: ld.lld -m elf_x86_64 %t.o -o %tout -u foo
+; RUN: llvm-nm %tout | FileCheck %s
+
+; CHECK: T foo
+
+target triple = "x86_64-unknown-linux-gnu"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+define void @foo() {
+  ret void
+}
+
+define void @_start() {
+  call void @foo()
+  ret void
+}