lld/test/wasm/init-fini.ll

   1 ; RUN: llc -filetype=obj -o %t.o %s
   2 ; RUN: llc -filetype=obj %S/Inputs/global-ctor-dtor.ll -o %t.global-ctor-dtor.o
   3
   4 target triple = "wasm32-unknown-unknown"
   5
   6 define hidden void @func1() {
   7 entry:
   8   ret void
   9 }
  10
  11 define hidden void @func2() {
  12 entry:
  13   ret void
  14 }
  15
  16 define hidden void @func3() {
  17 entry:
  18   ret void
  19 }
  20
  21 define hidden void @func4() {
  22 entry:
  23   ret void
  24 }
  25
  26 declare hidden void @externCtor()
  27 declare hidden void @externDtor()
  28 declare hidden void @__wasm_call_ctors()
  29
  30 define i32 @__cxa_atexit(i32 %func, i32 %arg, i32 %dso_handle) {
  31   ret i32 0
  32 }
  33
  34 define hidden void @_start() {
  35 entry:
  36   call void @__wasm_call_ctors();
  37   ret void
  38 }
  39
  40 @llvm.global_ctors = appending global [4 x { i32, void ()*, i8* }] [
  41   { i32, void ()*, i8* } { i32 1001, void ()* @func1, i8* null },
  42   { i32, void ()*, i8* } { i32 101, void ()* @func1, i8* null },
  43   { i32, void ()*, i8* } { i32 101, void ()* @func2, i8* null },
  44   { i32, void ()*, i8* } { i32 4000, void ()* @externCtor, i8* null }
  45 ]
  46
  47 @llvm.global_dtors = appending global [4 x { i32, void ()*, i8* }] [
  48   { i32, void ()*, i8* } { i32 1001, void ()* @func3, i8* null },
  49   { i32, void ()*, i8* } { i32 101, void ()* @func3, i8* null },
  50   { i32, void ()*, i8* } { i32 101, void ()* @func4, i8* null },
  51   { i32, void ()*, i8* } { i32 4000, void ()* @externDtor, i8* null }
  52 ]
  53
  54 ; RUN: wasm-ld --allow-undefined %t.o %t.global-ctor-dtor.o -o %t.wasm
  55 ; RUN: obj2yaml %t.wasm | FileCheck %s
  56
  57 ; CHECK:        - Type:            IMPORT
  58 ; CHECK-NEXT:     Imports:
  59 ; CHECK-NEXT:       - Module:          env
  60 ; CHECK-NEXT:         Field:           externDtor
  61 ; CHECK-NEXT:         Kind:            FUNCTION
  62 ; CHECK-NEXT:         SigIndex:        0
  63 ; CHECK-NEXT:       - Module:          env
  64 ; CHECK-NEXT:         Field:           externCtor
  65 ; CHECK-NEXT:         Kind:            FUNCTION
  66 ; CHECK-NEXT:         SigIndex:        0
  67 ; CHECK:        - Type:            ELEM
  68 ; CHECK-NEXT:     Segments:
  69 ; CHECK-NEXT:       - Offset:
  70 ; CHECK-NEXT:           Opcode:          I32_CONST
  71 ; CHECK-NEXT:           Value:           1
  72 ; CHECK-NEXT:         Functions:       [ 9, 11, 13, 17, 19, 21 ]
  73 ; CHECK-NEXT:   - Type:            CODE
  74 ; CHECK-NEXT:     Functions:
  75 ; CHECK-NEXT:       - Index:           2
  76 ; CHECK-NEXT:         Locals:
  77 ; CHECK-NEXT:         Body:            10031004100A100F1012100F10141003100C100F10161001100E0B
  78 ; CHECK:            - Index:           22
  79 ; CHECK-NEXT:         Locals:
  80 ; CHECK-NEXT:         Body:            02404186808080004100418088808000108780808000450D0000000B0B
  81 ; CHECK-NEXT:   - Type:            CUSTOM
  82 ; CHECK-NEXT:     Name:            name
  83 ; CHECK-NEXT:     FunctionNames:
  84 ; CHECK-NEXT:       - Index:           0
  85 ; CHECK-NEXT:         Name:            externDtor
  86 ; CHECK-NEXT:       - Index:           1
  87 ; CHECK-NEXT:         Name:            externCtor
  88 ; CHECK-NEXT:       - Index:           2
  89 ; CHECK-NEXT:         Name:            __wasm_call_ctors
  90 ; CHECK-NEXT:       - Index:           3
  91 ; CHECK-NEXT:         Name:            func1
  92 ; CHECK-NEXT:       - Index:           4
  93 ; CHECK-NEXT:         Name:            func2
  94 ; CHECK-NEXT:       - Index:           5
  95 ; CHECK-NEXT:         Name:            func3
  96 ; CHECK-NEXT:       - Index:           6
  97 ; CHECK-NEXT:         Name:            func4
  98 ; CHECK-NEXT:       - Index:           7
  99 ; CHECK-NEXT:         Name:            __cxa_atexit
 100 ; CHECK-NEXT:       - Index:           8
 101 ; CHECK-NEXT:         Name:            _start
 102 ; CHECK-NEXT:       - Index:           9
 103 ; CHECK-NEXT:         Name:            .Lcall_dtors.101
 104 ; CHECK-NEXT:       - Index:           10
 105 ; CHECK-NEXT:         Name:            .Lregister_call_dtors.101
 106 ; CHECK-NEXT:       - Index:           11
 107 ; CHECK-NEXT:         Name:            .Lcall_dtors.1001
 108 ; CHECK-NEXT:       - Index:           12
 109 ; CHECK-NEXT:         Name:            .Lregister_call_dtors.1001
 110 ; CHECK-NEXT:       - Index:           13
 111 ; CHECK-NEXT:         Name:            .Lcall_dtors.4000
 112 ; CHECK-NEXT:       - Index:           14
 113 ; CHECK-NEXT:         Name:            .Lregister_call_dtors.4000
 114 ; CHECK-NEXT:       - Index:           15
 115 ; CHECK-NEXT:         Name:            myctor
 116 ; CHECK-NEXT:       - Index:           16
 117 ; CHECK-NEXT:         Name:            mydtor
 118 ; CHECK-NEXT:       - Index:           17
 119 ; CHECK-NEXT:         Name:            .Lcall_dtors.101
 120 ; CHECK-NEXT:       - Index:           18
 121 ; CHECK-NEXT:         Name:            .Lregister_call_dtors.101
 122 ; CHECK-NEXT:       - Index:           19
 123 ; CHECK-NEXT:         Name:            .Lcall_dtors.202
 124 ; CHECK-NEXT:       - Index:           20
 125 ; CHECK-NEXT:         Name:            .Lregister_call_dtors.202
 126 ; CHECK-NEXT:       - Index:           21
 127 ; CHECK-NEXT:         Name:            .Lcall_dtors.2002
 128 ; CHECK-NEXT:       - Index:           22
 129 ; CHECK-NEXT:         Name:            .Lregister_call_dtors.2002
 130 ; CHECK-NEXT:     GlobalNames:
 131 ; CHECK-NEXT:       - Index:           0
 132 ; CHECK-NEXT:         Name:            __stack_pointer
 133 ; CHECK-NEXT: ...
 134
 135 ; RUN: wasm-ld -r %t.o %t.global-ctor-dtor.o -o %t.reloc.wasm
 136 ; RUN: llvm-readobj --symbols --sections %t.reloc.wasm | FileCheck -check-prefix=RELOC %s
 137
 138 ; RELOC:       Name: linking
 139 ; RELOC-NEXT:  InitFunctions [
 140 ; RELOC-NEXT:    0 (priority=101)
 141 ; RELOC-NEXT:    1 (priority=101)
 142 ; RELOC-NEXT:    15 (priority=101)
 143 ; RELOC-NEXT:    11 (priority=101)
 144 ; RELOC-NEXT:    21 (priority=101)
 145 ; RELOC-NEXT:    11 (priority=202)
 146 ; RELOC-NEXT:    23 (priority=202)
 147 ; RELOC-NEXT:    0 (priority=1001)
 148 ; RELOC-NEXT:    17 (priority=1001)
 149 ; RELOC-NEXT:    11 (priority=2002)
 150 ; RELOC-NEXT:    25 (priority=2002)
 151 ; RELOC-NEXT:    9 (priority=4000)
 152 ; RELOC-NEXT:    19 (priority=4000)
 153 ; RELOC-NEXT:  ]