llvm-project

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# Test in default mode
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# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
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# RUN: not wasm-ld --export=missing -o %t.wasm %t.o 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
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# RUN: wasm-ld --export=hidden_function -o %t.wasm %t.o
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# RUN: obj2yaml %t.wasm | FileCheck %s
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# Now test in Emscripten mode
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# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-emscripten -o %t.o %s
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# RUN: not wasm-ld --export=missing -o %t.wasm %t.o 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
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# RUN: wasm-ld --export=hidden_function -o %t.wasm %t.o
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# RUN: obj2yaml %t.wasm | FileCheck %s --check-prefixes=CHECK,EMSCRIPTEN
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# Not exported by default, but forced via commandline
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  .hidden hidden_function
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  .globl hidden_function
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hidden_function:
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  .functype hidden_function () -> (i32)
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  i32.const 0
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  end_function
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# Not exported by default
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  .globl default_function
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default_function:
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  .functype default_function () -> (i32)
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  i32.const 0
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  end_function
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# Exported in emscripten mode which treats .no_dead_strip as a signal to export
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  .no_dead_strip used_function
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  .globl used_function
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used_function:
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  .functype used_function () -> (i32)
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  i32.const 0
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  end_function
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# Exported by default
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.globl _start
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_start:
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  .functype _start () -> ()
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  end_function
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# CHECK-ERROR: error: symbol exported via --export not found: missing
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# CHECK-NOT: - Name: default_function
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# CHECK:        - Type:            EXPORT
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# CHECK-NEXT:     Exports:
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# CHECK-NEXT:       - Name:            memory
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# CHECK-NEXT:         Kind:            MEMORY
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# CHECK-NEXT:         Index:           0
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# CHECK-NEXT:       - Name:            hidden_function
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# CHECK-NEXT:         Kind:            FUNCTION
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# CHECK-NEXT:         Index:           0
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# EMSCRIPTEN-NEXT:  - Name:            used_function
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# EMSCRIPTEN-NEXT:    Kind:            FUNCTION
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# EMSCRIPTEN-NEXT:    Index:           1
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# CHECK-NEXT:       - Name:            _start
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# CHECK-NEXT:         Kind:            FUNCTION
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# CHECK-NEXT:         Index:           2
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# CHECK-NEXT:   - Type:            CODE
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