1 files changed, 39 insertions, 0 deletions
diff --git a/test/tools/gold/X86/common_thinlto.ll b/test/tools/gold/X86/common_thinlto.ll
new file mode 100644
index 000000000000..ba38351a74b8
--- /dev/null
+++ b/test/tools/gold/X86/common_thinlto.ll
@@ -0,0 +1,39 @@
+; RUN: opt -module-summary %s -o %t1.o
+; RUN: opt -module-summary %p/Inputs/common_thinlto.ll -o %t2.o
+
+; RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \
+; RUN:    --plugin-opt=save-temps \
+; RUN:    --plugin-opt=thinlto \
+; RUN:    -m elf_x86_64 \
+; RUN:    -shared %t1.o %t2.o -o %t3
+
+; RUN: llvm-dis %t1.o.2.internalize.bc -o - | FileCheck %s --check-prefix=INTERNALIZE
+; We should not have internalized P, and it should still be common.
+; INTERNALIZE: @P = common global
+
+; RUN: llvm-dis %t1.o.4.opt.bc -o - | FileCheck %s --check-prefix=OPT
+; bar should still exist (if we had internalized P it would look dead).
+; OPT: @bar
+
+; RUN: llvm-nm %t3 | FileCheck %s --check-prefix=NM
+; NM: bar
+
+source_filename = "common1.c"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@P = common global i8* (...)* null, align 8
+
+define i32 @main() {
+entry:
+  store i8* (...)* bitcast (i8* ()* @bar to i8* (...)*), i8* (...)** @P, align 8
+  %call = call i32 (...) @foo()
+  ret i32 0
+}
+
+declare i32 @foo(...)
+
+define internal i8* @bar() {
+entry:
+  ret i8* null
+}