1 files changed, 63 insertions, 0 deletions
diff --git a/llvm/test/Linker/comdat16.ll b/llvm/test/Linker/comdat16.ll
new file mode 100644
index 00000000000..47b14220785
--- /dev/null
+++ b/llvm/test/Linker/comdat16.ll
@@ -0,0 +1,63 @@
+; RUN: llvm-link -S -o - %s %p/Inputs/comdat16.ll | FileCheck %s
+
+$c1 = comdat any
+
+@v1 = weak_odr global i32 42, comdat($c1)
+define weak_odr i32 @f1(i8*) comdat($c1) {
+bb10:
+  br label %bb11
+bb11:
+  ret i32 42
+}
+
+@r11 = global i32* @v1
+@r12 = global i32 (i8*)* @f1
+
+@a11 = alias i32, i32* @v1
+@a12 = alias i16, bitcast (i32* @v1 to i16*)
+
+@a13 = alias i32 (i8*), i32 (i8*)* @f1
+@a14 = alias i16, bitcast (i32 (i8*)* @f1 to i16*)
+@a15 = alias i16, i16* @a14
+
+; CHECK: $c1 = comdat any
+; CHECK: $c2 = comdat any
+
+; CHECK-DAG: @will_be_undefined = external global i32
+
+; CHECK-DAG: @v1 = weak_odr global i32 42, comdat($c1)
+
+; CHECK-DAG: @r11 = global i32* @v1{{$}}
+; CHECK-DAG: @r12 = global i32 (i8*)* @f1{{$}}
+
+; CHECK-DAG: @r21 = global i32* @v1{{$}}
+; CHECK-DAG: @r22 = global i32 (i8*)* @f1{{$}}
+
+; CHECK-DAG: @v1.1 = internal global i32 41, comdat($c2)
+
+; CHECK-DAG: @a11 = alias i32, i32* @v1{{$}}
+; CHECK-DAG: @a12 = alias i16, bitcast (i32* @v1 to i16*)
+
+; CHECK-DAG: @a13 = alias i32 (i8*), i32 (i8*)* @f1{{$}}
+; CHECK-DAG: @a14 = alias i16, bitcast (i32 (i8*)* @f1 to i16*)
+
+; CHECK-DAG: @a21 = alias i32, i32* @v1.1{{$}}
+; CHECK-DAG: @a22 = alias i16, bitcast (i32* @v1.1 to i16*)
+
+; CHECK-DAG: @a23 = alias i32 (i8*), i32 (i8*)* @f1.2{{$}}
+; CHECK-DAG: @a24 = alias i16, bitcast (i32 (i8*)* @f1.2 to i16*)
+
+; CHECK:      define weak_odr protected i32 @f1(i8*) comdat($c1) {
+; CHECK-NEXT: bb10:
+; CHECK-NEXT:   br label %bb11{{$}}
+; CHECK:      bb11:
+; CHECK-NEXT:   ret i32 42
+; CHECK-NEXT: }
+
+; CHECK:      define internal i32 @f1.2(i8* %this) comdat($c2) {
+; CHECK-NEXT: bb20:
+; CHECK-NEXT:   store i8* %this, i8** null
+; CHECK-NEXT:   br label %bb21
+; CHECK:      bb21:
+; CHECK-NEXT:   ret i32 41
+; CHECK-NEXT: }