lld/test/wasm/debuginfo-undefined-global.s

   1 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
   2 # RUN: wasm-ld -o %t.wasm %t.o
   3 # RUN: obj2yaml %t.wasm | FileCheck %s
   4
   5 # Debug sections are allowed to contains references to non-live symbols that
   6 # then get GC'd.  In this test the .debug_info section contains a reference to
   7 # foo which is not otherwise used and will not be marked a live in the output.
   8 # Verify the tombstone value is written to debug_info section.
   9
  10 .globaltype foo, i32
  11
  12 .globl  _start
  13 _start:
  14   .functype _start () -> ()
  15   end_function
  16
  17 .section .debug_info,"",@
  18   .int32 foo
  19
  20 foo:
  21
  22 # CHECK:       - Type:            CUSTOM
  23 # CHECK-NEXT:    Name:            .debug_info
  24 # CHECK-NEXT:    Payload:         FFFFFFFF