llvm/test/MC/WebAssembly/externref.s

   1 # RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj < %s | obj2yaml | FileCheck %s
   2
   3 # Tests use of externref type, including storing it in a global
   4
   5 .globaltype my_global, externref
   6
   7 .globl read_externref
   8 read_externref:
   9   .functype read_externref () -> (externref)
  10   global.get my_global
  11   end_function
  12
  13 .globl write_externref
  14 write_externref:
  15   .functype write_externref (externref) -> ()
  16   local.get 0
  17   global.set my_global
  18   end_function
  19
  20 .globl call_with_ref
  21 call_with_ref:
  22   .functype call_with_ref () -> ()
  23   call read_externref
  24   call write_externref
  25   end_function
  26
  27 my_global:
  28
  29 #      CHECK:  - Type:            GLOBAL
  30 # CHECK-NEXT:    Globals:
  31 # CHECK-NEXT:      - Index:           0
  32 # CHECK-NEXT:        Type:            EXTERNREF
  33 # CHECK-NEXT:        Mutable:         true
  34 # CHECK-NEXT:        InitExpr:
  35 # CHECK-NEXT:          Opcode:          REF_NULL
  36 # CHECK-NEXT:          Type:            EXTERNREF