lld/test/wasm/gc-imports.s

   1 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
   2 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %S/Inputs/undefined-globals.s -o %t_globals.o
   3 # RUN: wasm-ld --allow-undefined -o %t1.wasm %t.o %t_globals.o
   4
   5 .functype unused_undef_function (i64) -> (i64)
   6 .functype used_undef_function () -> (i32)
   7 .functype use_undef_global () -> (i64)
   8
   9 foo:
  10   .functype foo (i64) -> (i64)
  11   local.get 0
  12   call unused_undef_function
  13   end_function
  14
  15 .globl _start
  16
  17 _start:
  18   .functype _start () -> ()
  19   call used_undef_function
  20   drop
  21   call use_undef_global
  22   drop
  23   end_function
  24
  25 # RUN: obj2yaml %t1.wasm | FileCheck %s
  26
  27 # CHECK:        - Type:            IMPORT
  28 # CHECK-NEXT:     Imports:
  29 # CHECK-NEXT:       - Module:          env
  30 # CHECK-NEXT:         Field:           used_undef_function
  31 # CHECK-NEXT:         Kind:            FUNCTION
  32 # CHECK-NEXT:         SigIndex:        0
  33 # CHECK-NEXT:       - Module:          env
  34 # CHECK-NEXT:         Field:           used_undef_global
  35 # CHECK-NEXT:         Kind:            GLOBAL
  36 # CHECK-NEXT:         GlobalType:      I64
  37 # CHECK-NEXT:         GlobalMutable:   false
  38 # CHECK-NEXT:   - Type:
  39 # CHECK:        - Type:            CUSTOM
  40 # CHECK-NEXT:     Name:            name
  41 # CHECK-NEXT:     FunctionNames:
  42 # CHECK-NEXT:       - Index:           0
  43 # CHECK-NEXT:         Name:            used_undef_function
  44 # CHECK-NEXT:       - Index:           1
  45 # CHECK-NEXT:         Name:            _start
  46 # CHECK-NEXT:       - Index:           2
  47 # CHECK-NEXT:         Name:            use_undef_global
  48 # CHECK-NEXT:     GlobalNames:
  49 # CHECK-NEXT:       - Index:           0
  50 # CHECK-NEXT:         Name:            used_undef_global
  51 # CHECK-NEXT:       - Index:           1
  52 # CHECK-NEXT:         Name:            __stack_pointer
  53 # CHECK-NEXT: ...
  54
  55 # RUN: wasm-ld --no-gc-sections --allow-undefined \
  56 # RUN:     -o %t1.no-gc.wasm %t.o %t_globals.o
  57 # RUN: obj2yaml %t1.no-gc.wasm | FileCheck %s -check-prefix=NO-GC
  58
  59 # NO-GC:        - Type:            IMPORT
  60 # NO-GC-NEXT:     Imports:
  61 # NO-GC-NEXT:       - Module:          env
  62 # NO-GC-NEXT:         Field:           unused_undef_function
  63 # NO-GC-NEXT:         Kind:            FUNCTION
  64 # NO-GC-NEXT:         SigIndex:        0
  65 # NO-GC-NEXT:       - Module:          env
  66 # NO-GC-NEXT:         Field:           used_undef_function
  67 # NO-GC-NEXT:         Kind:            FUNCTION
  68 # NO-GC-NEXT:         SigIndex:        1
  69 # NO-GC-NEXT:       - Module:          env
  70 # NO-GC-NEXT:         Field:           unused_undef_global
  71 # NO-GC-NEXT:         Kind:            GLOBAL
  72 # NO-GC-NEXT:         GlobalType:      I64
  73 # NO-GC-NEXT:         GlobalMutable:   false
  74 # NO-GC-NEXT:       - Module:          env
  75 # NO-GC-NEXT:         Field:           used_undef_global
  76 # NO-GC-NEXT:         Kind:            GLOBAL
  77 # NO-GC-NEXT:         GlobalType:      I64
  78 # NO-GC-NEXT:         GlobalMutable:   false
  79 # NO-GC-NEXT:   - Type:
  80 # NO-GC:        - Type:            CUSTOM
  81 # NO-GC-NEXT:     Name:            name
  82 # NO-GC-NEXT:     FunctionNames:
  83 # NO-GC-NEXT:       - Index:           0
  84 # NO-GC-NEXT:         Name:            unused_undef_function
  85 # NO-GC-NEXT:       - Index:           1
  86 # NO-GC-NEXT:         Name:            used_undef_function
  87 # NO-GC-NEXT:       - Index:           2
  88 # NO-GC-NEXT:         Name:            __wasm_call_ctors
  89 # NO-GC-NEXT:       - Index:           3
  90 # NO-GC-NEXT:         Name:            foo
  91 # NO-GC-NEXT:       - Index:           4
  92 # NO-GC-NEXT:         Name:            _start
  93 # NO-GC-NEXT:       - Index:           5
  94 # NO-GC-NEXT:         Name:            use_undef_global
  95 # NO-GC-NEXT:     GlobalNames:
  96 # NO-GC-NEXT:       - Index:           0
  97 # NO-GC-NEXT:         Name:            unused_undef_global
  98 # NO-GC-NEXT:       - Index:           1
  99 # NO-GC-NEXT:         Name:            used_undef_global
 100 # NO-GC-NEXT:       - Index:           2
 101 # NO-GC-NEXT:         Name:            __stack_pointer
 102 # NO-GC-NEXT: ...