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gc-imports.s
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# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %S/Inputs/undefined-globals.s -o %t_globals.o
# RUN: wasm-ld --allow-undefined -o %t1.wasm %t.o %t_globals.o
.functype unused_undef_function (i64) -> (i64)
.functype used_undef_function () -> (i32)
.functype use_undef_global () -> (i64)
foo:
.functype foo (i64) -> (i64)
local.get 0
call unused_undef_function
end_function
.globl _start
_start:
.functype _start () -> ()
call used_undef_function
drop
call use_undef_global
drop
end_function
# RUN: obj2yaml %t1.wasm | FileCheck %s
# CHECK: - Type: IMPORT
# CHECK-NEXT: Imports:
# CHECK-NEXT: - Module: env
# CHECK-NEXT: Field: used_undef_function
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: SigIndex: 0
# CHECK-NEXT: - Module: env
# CHECK-NEXT: Field: used_undef_global
# CHECK-NEXT: Kind: GLOBAL
# CHECK-NEXT: GlobalType: I64
# CHECK-NEXT: GlobalMutable: false
# CHECK-NEXT: - Type:
# CHECK: - Type: CUSTOM
# CHECK-NEXT: Name: name
# CHECK-NEXT: FunctionNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: used_undef_function
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Name: _start
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Name: use_undef_global
# CHECK-NEXT: GlobalNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: used_undef_global
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Name: __stack_pointer
# CHECK-NEXT: ...
# RUN: wasm-ld --no-gc-sections --allow-undefined \
# RUN: -o %t1.no-gc.wasm %t.o %t_globals.o
# RUN: obj2yaml %t1.no-gc.wasm | FileCheck %s -check-prefix=NO-GC
# NO-GC: - Type: IMPORT
# NO-GC-NEXT: Imports:
# NO-GC-NEXT: - Module: env
# NO-GC-NEXT: Field: unused_undef_function
# NO-GC-NEXT: Kind: FUNCTION
# NO-GC-NEXT: SigIndex: 0
# NO-GC-NEXT: - Module: env
# NO-GC-NEXT: Field: used_undef_function
# NO-GC-NEXT: Kind: FUNCTION
# NO-GC-NEXT: SigIndex: 1
# NO-GC-NEXT: - Module: env
# NO-GC-NEXT: Field: unused_undef_global
# NO-GC-NEXT: Kind: GLOBAL
# NO-GC-NEXT: GlobalType: I64
# NO-GC-NEXT: GlobalMutable: false
# NO-GC-NEXT: - Module: env
# NO-GC-NEXT: Field: used_undef_global
# NO-GC-NEXT: Kind: GLOBAL
# NO-GC-NEXT: GlobalType: I64
# NO-GC-NEXT: GlobalMutable: false
# NO-GC-NEXT: - Type:
# NO-GC: - Type: CUSTOM
# NO-GC-NEXT: Name: name
# NO-GC-NEXT: FunctionNames:
# NO-GC-NEXT: - Index: 0
# NO-GC-NEXT: Name: unused_undef_function
# NO-GC-NEXT: - Index: 1
# NO-GC-NEXT: Name: used_undef_function
# NO-GC-NEXT: - Index: 2
# NO-GC-NEXT: Name: __wasm_call_ctors
# NO-GC-NEXT: - Index: 3
# NO-GC-NEXT: Name: foo
# NO-GC-NEXT: - Index: 4
# NO-GC-NEXT: Name: _start
# NO-GC-NEXT: - Index: 5
# NO-GC-NEXT: Name: use_undef_global
# NO-GC-NEXT: GlobalNames:
# NO-GC-NEXT: - Index: 0
# NO-GC-NEXT: Name: unused_undef_global
# NO-GC-NEXT: - Index: 1
# NO-GC-NEXT: Name: used_undef_global
# NO-GC-NEXT: - Index: 2
# NO-GC-NEXT: Name: __stack_pointer
# NO-GC-NEXT: ...