Merge commit '876d49baad63' from llvm.org/main into apple/main

Author: git apple-llvm automerger

lld/test/wasm/cxx-mangling.ll

@@ -0,0 +1,64 @@
+# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
+# RUN: wasm-ld --export=_Z3fooi --demangle -o %t_demangle.wasm %t.o
+# RUN: obj2yaml %t_demangle.wasm | FileCheck --check-prefixes=CHECK,DEMANGLE %s
+# RUN: wasm-ld --export=_Z3fooi --no-demangle -o %t_nodemangle.wasm %t.o
+# RUN: obj2yaml %t_nodemangle.wasm | FileCheck --check-prefixes=CHECK,MANGLE %s
+
+# Check that the EXPORT name is still mangled, but that the "name" custom
+# section contains the unmangled name.
+
+.globl _start
+.globl _Z3fooi
+.weak _Z3bari
+
+_start:
+  .functype _start () -> ()
+  i32.const 1
+  call _Z3fooi
+  i32.const 1
+  call _Z3bari
+  end_function
+
+_Z3fooi:
+  .functype _Z3fooi (i32) -> ()
+  end_function
+
+.functype _Z3bari (i32) -> ()
+
+# CHECK:        - Type:            EXPORT
+# CHECK-NEXT:     Exports:
+# CHECK-NEXT:       - Name:            memory
+# CHECK-NEXT:         Kind:            MEMORY
+# CHECK-NEXT:         Index:           0
+# CHECK-NEXT:       - Name:            _start
+# CHECK-NEXT:         Kind:            FUNCTION
+# CHECK-NEXT:         Index:           1
+# 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:            000B
+# CHECK-NEXT:       - Index:           1
+# CHECK-NEXT:         Locals:
+# CHECK-NEXT:         Body:            410110828080800041011080808080000B
+# CHECK-NEXT:       - Index:           2
+# CHECK-NEXT:         Locals:
+# CHECK-NEXT:         Body:            0B
+# CHECK-NEXT:   - Type:            CUSTOM
+# CHECK-NEXT:     Name:            name
+# CHECK-NEXT:     FunctionNames:
+# CHECK-NEXT:       - Index:           0
+# DEMANGLE-NEXT:      Name:            'undefined_weak:bar(int)'
+# MANGLE-NEXT:        Name:            'undefined_weak:_Z3bari'
+# CHECK-NEXT:       - Index:           1
+# CHECK-NEXT:         Name:            _start
+# CHECK-NEXT:       - Index:           2
+# DEMANGLE-NEXT:      Name:            'foo(int)'
+# MANGLE-NEXT:        Name:            _Z3fooi
+# CHECK-NEXT:     GlobalNames:
+# CHECK-NEXT:       - Index:           0
+# CHECK-NEXT:         Name:            __stack_pointer
+# CHECK-NEXT: ...