1 files changed, 29 insertions, 0 deletions
diff --git a/test/tools/gold/common.ll b/test/tools/gold/common.ll
new file mode 100644
index 0000000..f309231
--- /dev/null
+++ b/test/tools/gold/common.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-as %s -o %t1.o
+; RUN: llvm-as %p/Inputs/common.ll -o %t2.o
+
+; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
+; RUN:    --plugin-opt=emit-llvm \
+; RUN:    -shared %t1.o %t2.o -o %t3.o
+; RUN: llvm-dis %t3.o -o - | FileCheck %s
+
+@a = common global i8 0, align 8
+
+; Shared library case, we merge @a as common and keep it for the symbol table.
+; CHECK: @a = common global i16 0, align 8
+
+; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
+; RUN:    --plugin-opt=emit-llvm \
+; RUN:    %t1.o %t2.o -o %t3.o
+; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=EXEC %s
+
+; All IR case, we internalize a after merging.
+; EXEC: @a = internal global i16 0, align 8
+
+; RUN: llc %p/Inputs/common.ll -o %t2.o -filetype=obj
+; RUN: ld -plugin %llvmshlibdir/LLVMgold.so \
+; RUN:    --plugin-opt=emit-llvm \
+; RUN:    %t1.o %t2.o -o %t3.o
+; RUN: llvm-dis %t3.o -o - | FileCheck --check-prefix=MIXED %s
+
+; Mixed ELF and IR. We keep ours as common so the linker will finish the merge.
+; MIXED: @a = common global i8 0, align 8