llvm-project

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# RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj -o %t.o %s
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# RUN: wasm-ld %t.o -o %t.wasm
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# RUN: obj2yaml %t.wasm | FileCheck %s
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# Tests use of externref type, including storing it in a global
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.globaltype my_global, externref
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.globl read_externref
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read_externref:
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  .functype read_externref () -> (externref)
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  global.get my_global
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  end_function
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.globl write_externref
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write_externref:
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  .functype write_externref (externref) -> ()
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  local.get 0
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  global.set my_global
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  end_function
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my_global:
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.globl _start
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_start:
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  .functype _start () -> ()
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  call read_externref
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  call write_externref
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  end_function
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#      CHECK:  - Type:            GLOBAL
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# CHECK-NEXT:    Globals:
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# CHECK-NEXT:      - Index:           0
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# CHECK-NEXT:        Type:            I32
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# CHECK-NEXT:        Mutable:         true
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# CHECK-NEXT:        InitExpr:
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# CHECK-NEXT:          Opcode:          I32_CONST
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# CHECK-NEXT:          Value:           66560
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# CHECK-NEXT:      - Index:           1
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# CHECK-NEXT:        Type:            EXTERNREF
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# CHECK-NEXT:        Mutable:         true
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# CHECK-NEXT:        InitExpr:
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# CHECK-NEXT:          Opcode:          REF_NULL
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# CHECK-NEXT:          Type:            EXTERNREF
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