1 files changed, 66 insertions, 0 deletions
diff --git a/test/wasm/cxx-mangling.ll b/test/wasm/cxx-mangling.ll
new file mode 100644
index 0000000000000..67f3594e8166a
--- /dev/null
+++ b/test/wasm/cxx-mangling.ll
@@ -0,0 +1,66 @@
+; RUN: llc -filetype=obj %s -o %t.o
+; RUN: wasm-ld --demangle -o %t_demangle.wasm %t.o
+; RUN: obj2yaml %t_demangle.wasm | FileCheck %s
+; RUN: wasm-ld --no-demangle -o %t_nodemangle.wasm %t.o
+; RUN: obj2yaml %t_nodemangle.wasm | FileCheck %s
+
+target triple = "wasm32-unknown-unknown"
+
+; Check that the EXPORT name is still mangled, but that the "name" custom
+; section contains the unmangled name.
+
+define void @_Z3fooi(i32 %arg) {
+  ret void
+}
+
+declare extern_weak void @_Z3bari(i32 %arg)
+
+define void @_start() {
+  call void @_Z3fooi(i32 1)
+  call void @_Z3bari(i32 1)
+  ret void
+}
+
+; CHECK:        - Type:            EXPORT
+; CHECK-NEXT:     Exports:
+; CHECK-NEXT:       - Name:            memory
+; CHECK-NEXT:         Kind:            MEMORY
+; CHECK-NEXT:         Index:           0
+; CHECK-NEXT:       - Name:            __heap_base
+; CHECK-NEXT:         Kind:            GLOBAL
+; CHECK-NEXT:         Index:           1
+; CHECK-NEXT:       - Name:            __data_end
+; CHECK-NEXT:         Kind:            GLOBAL
+; CHECK-NEXT:         Index:           2
+; CHECK-NEXT:       - Name:            _start
+; CHECK-NEXT:         Kind:            FUNCTION
+; CHECK-NEXT:         Index:           3
+; CHECK-NEXT:       - Name:            _Z3fooi
+; CHECK-NEXT:         Kind:            FUNCTION
+; CHECK-NEXT:         Index:           2
+; CHECK-NEXT:   - Type:            CODE
+; CHECK-NEXT:     Functions:
+; CHECK-NEXT:       - Index:           0
+; CHECK-NEXT:         Locals:
+; CHECK-NEXT:         Body:            0B
+; CHECK-NEXT:       - Index:           1
+; CHECK-NEXT:         Locals:
+; CHECK-NEXT:         Body:            000B
+; CHECK-NEXT:       - Index:           2
+; CHECK-NEXT:         Locals:
+; CHECK-NEXT:         Body:            0B
+; CHECK-NEXT:       - Index:           3
+; CHECK-NEXT:         Locals:
+; CHECK-NEXT:         Body:            410110828080800041011081808080000B
+; CHECK-NEXT:   - Type:            CUSTOM
+; CHECK-NEXT:     Name:            name
+; CHECK-NEXT:     FunctionNames:
+; CHECK-NEXT:       - Index:           0
+; CHECK-NEXT:         Name:            __wasm_call_ctors
+; CHECK-NEXT:       - Index:           1
+; CHECK-NEXT:         Name:            'undefined function bar(int)'
+; CHECK-NEXT:       - Index:           2
+; CHECK-NEXT:         Name:            'foo(int)'
+; CHECK-NEXT:       - Index:           3
+; CHECK-NEXT:         Name:            _start
+; CHECK-NEXT: ...