test/MC/WebAssembly/comdat.ll

   1 ; RUN: llc -filetype=obj %s -o - | obj2yaml | FileCheck %s
   2
   3 target triple = "wasm32-unknown-unknown"
   4
   5 ; Import a function just so we can check the index arithmetic for
   6 ; WASM_COMDAT_FUNCTION entries is performed correctly
   7 declare i32 @funcImport()
   8 define i32 @callImport() {
   9 entry:
  10   %call = call i32 @funcImport()
  11   ret i32 %call
  12 }
  13
  14 ; Function in its own COMDAT
  15 $basicInlineFn = comdat any
  16 define linkonce_odr i32 @basicInlineFn() #1 comdat {
  17   ret i32 0
  18 }
  19
  20 ; Global, data, and function in same COMDAT
  21 $sharedComdat = comdat any
  22 @constantData = weak_odr constant [3 x i8] c"abc", comdat($sharedComdat)
  23 define linkonce_odr i32 @sharedFn() #1 comdat($sharedComdat) {
  24   ret i32 0
  25 }
  26
  27 ; CHECK:      Sections:
  28 ; CHECK-NEXT:   - Type:            TYPE
  29 ; CHECK-NEXT:     Signatures:
  30 ; CHECK-NEXT:       - Index:           0
  31 ; CHECK-NEXT:         ParamTypes:      []
  32 ; CHECK-NEXT:         ReturnTypes:
  33 ; CHECK-NEXT:           - I32
  34 ; CHECK-NEXT:   - Type:            IMPORT
  35 ; CHECK-NEXT:     Imports:
  36 ; CHECK-NEXT:       - Module:          env
  37 ; CHECK-NEXT:         Field:           __linear_memory
  38 ; CHECK-NEXT:         Kind:            MEMORY
  39 ; CHECK-NEXT:         Memory:
  40 ; CHECK-NEXT:           Initial:         0x00000001
  41 ; CHECK-NEXT:       - Module:          env
  42 ; CHECK-NEXT:         Field:           __indirect_function_table
  43 ; CHECK-NEXT:         Kind:            TABLE
  44 ; CHECK-NEXT:         Table:
  45 ; CHECK-NEXT:           ElemType:        FUNCREF
  46 ; CHECK-NEXT:           Limits:
  47 ; CHECK-NEXT:             Initial:         0x00000000
  48 ; CHECK-NEXT:       - Module:          env
  49 ; CHECK-NEXT:         Field:           funcImport
  50 ; CHECK-NEXT:         Kind:            FUNCTION
  51 ; CHECK-NEXT:         SigIndex:        0
  52 ; CHECK-NEXT:   - Type:            FUNCTION
  53 ; CHECK-NEXT:     FunctionTypes:   [ 0, 0, 0 ]
  54 ; CHECK-NEXT:  - Type:            DATACOUNT
  55 ; CHECK-NEXT:    Count:           1
  56 ; CHECK-NEXT:  - Type:            CODE
  57 ; CHECK-NEXT:    Relocations:
  58 ; CHECK-NEXT:      - Type:            R_WASM_FUNCTION_INDEX_LEB
  59 ; CHECK-NEXT:        Index:           1
  60 ; CHECK-NEXT:        Offset:          0x00000004
  61 ; CHECK-NEXT:    Functions:
  62 ; CHECK-NEXT:      - Index:           1
  63 ; CHECK-NEXT:        Locals:
  64 ; CHECK-NEXT:        Body:            1080808080000B
  65 ; CHECK-NEXT:      - Index:           2
  66 ; CHECK-NEXT:        Locals:
  67 ; CHECK-NEXT:        Body:            41000B
  68 ; CHECK-NEXT:      - Index:           3
  69 ; CHECK-NEXT:        Locals:
  70 ; CHECK-NEXT:        Body:            41000B
  71 ; CHECK-NEXT:  - Type:            DATA
  72 ; CHECK-NEXT:    Segments:
  73 ; CHECK-NEXT:      - SectionOffset:   6
  74 ; CHECK-NEXT:        InitFlags:       0
  75 ; CHECK-NEXT:        Offset:
  76 ; CHECK-NEXT:          Opcode:          I32_CONST
  77 ; CHECK-NEXT:          Value:           0
  78 ; CHECK-NEXT:        Content:         '616263'
  79 ; CHECK-NEXT:  - Type:            CUSTOM
  80 ; CHECK-NEXT:    Name:            linking
  81 ; CHECK-NEXT:    Version:         2
  82 ; CHECK-NEXT:    SymbolTable:
  83 ; CHECK-NEXT:       - Index:           0
  84 ; CHECK-NEXT:         Kind:            FUNCTION
  85 ; CHECK-NEXT:         Name:            callImport
  86 ; CHECK-NEXT:         Flags:           [  ]
  87 ; CHECK-NEXT:         Function:        1
  88 ; CHECK-NEXT:       - Index:           1
  89 ; CHECK-NEXT:         Kind:            FUNCTION
  90 ; CHECK-NEXT:         Name:            funcImport
  91 ; CHECK-NEXT:         Flags:           [ UNDEFINED ]
  92 ; CHECK-NEXT:         Function:        0
  93 ; CHECK-NEXT:       - Index:           2
  94 ; CHECK-NEXT:         Kind:            FUNCTION
  95 ; CHECK-NEXT:         Name:            basicInlineFn
  96 ; CHECK-NEXT:         Flags:           [ BINDING_WEAK ]
  97 ; CHECK-NEXT:         Function:        2
  98 ; CHECK-NEXT:       - Index:           3
  99 ; CHECK-NEXT:         Kind:            FUNCTION
 100 ; CHECK-NEXT:         Name:            sharedFn
 101 ; CHECK-NEXT:         Flags:           [ BINDING_WEAK ]
 102 ; CHECK-NEXT:         Function:        3
 103 ; CHECK-NEXT:       - Index:           4
 104 ; CHECK-NEXT:         Kind:            DATA
 105 ; CHECK-NEXT:         Name:            constantData
 106 ; CHECK-NEXT:         Flags:           [ BINDING_WEAK ]
 107 ; CHECK-NEXT:         Segment:         0
 108 ; CHECK-NEXT:         Size:            3
 109 ; CHECK-NEXT:    SegmentInfo:
 110 ; CHECK-NEXT:      - Index:           0
 111 ; CHECK-NEXT:        Name:            .rodata.constantData
 112 ; CHECK-NEXT:        Alignment:       0
 113 ; CHECK-NEXT:        Flags:           [  ]
 114 ; CHECK-NEXT:    Comdats:
 115 ; CHECK-NEXT:        Name:            basicInlineFn
 116 ; CHECK-NEXT:        Entries:
 117 ; CHECK-NEXT:          - Kind:            FUNCTION
 118 ; CHECK-NEXT:            Index:           2
 119 ; CHECK-NEXT:        Name:            sharedComdat
 120 ; CHECK-NEXT:        Entries:
 121 ; CHECK-NEXT:          - Kind:            FUNCTION
 122 ; CHECK-NEXT:            Index:           3
 123 ; CHECK-NEXT:          - Kind:            DATA
 124 ; CHECK-NEXT:            Index:           0
 125 ; CHECK-NEXT: ...