lld/test/wasm/data-segment-merging.ll

   1 @a = hidden global [6 x i8] c"hello\00", align 1
   2 @b = hidden global [8 x i8] c"goodbye\00", align 1
   3 @c = hidden global [9 x i8] c"whatever\00", align 1
   4 @d = hidden global i32 42, align 4
   5
   6 @e = private constant [9 x i8] c"constant\00", align 1
   7 @f = private constant i8 43, align 4
   8
   9 ; RUN: llc --mtriple=wasm32-unknown-unknown -mattr=+bulk-memory,+atomics -filetype=obj %s -o %t.passive.o
  10 ; RUN: llc --mtriple=wasm64-unknown-unknown -mattr=+bulk-memory,+atomics -filetype=obj %s -o %t.passive64.o
  11 ; RUN: llc --mtriple=wasm32-unknown-unknown -filetype=obj %s -o %t.o
  12
  13 ; RUN: wasm-ld -no-gc-sections --no-entry -o %t.merged.wasm %t.o
  14 ; RUN: obj2yaml %t.merged.wasm | FileCheck %s --check-prefix=MERGE
  15
  16 ; MERGE-LABEL: - Type:            DATA
  17 ; MERGE-NEXT:    Segments:
  18 ; MERGE-NEXT:      - SectionOffset:   7
  19 ; MERGE-NEXT:        InitFlags:       0
  20 ; MERGE-NEXT:        Offset:
  21 ; MERGE:             Content:         636F6E7374616E74000000002B
  22 ; MERGE-NEXT:      - SectionOffset:   26
  23 ; MERGE-NEXT:        InitFlags:       0
  24 ; MERGE-NEXT:        Offset:
  25 ; MERGE:             Content:         68656C6C6F00676F6F6462796500776861746576657200002A000000
  26 ; MERGE-NEXT:  - Type:            CUSTOM
  27 ; MERGE-NEXT:    Name:            name
  28 ; MERGE-NEXT:    FunctionNames:
  29 ; MERGE-NEXT:      - Index:           0
  30 ; MERGE-NEXT:        Name:            __wasm_call_ctors
  31 ; MERGE-NEXT:    GlobalNames:
  32 ; MERGE-NEXT:      - Index:           0
  33 ; MERGE-NEXT:        Name:            __stack_pointer
  34 ; MERGE-NEXT:    DataSegmentNames:
  35 ; MERGE-NEXT:      - Index:           0
  36 ; MERGE-NEXT:        Name:            .rodata
  37
  38 ; RUN: wasm-ld -no-gc-sections --no-entry --no-merge-data-segments -o %t.separate.wasm %t.o
  39 ; RUN: obj2yaml %t.separate.wasm | FileCheck %s --check-prefix=SEPARATE
  40
  41 ; SEPARATE-NOT:                  DATACOUNT
  42 ; SEPARATE-LABEL: - Type:            DATA
  43 ; SEPARATE-NEXT:    Segments:
  44 ; SEPARATE-NEXT:      - SectionOffset:   7
  45 ; SEPARATE-NEXT:        InitFlags:       0
  46 ; SEPARATE-NEXT:        Offset:
  47 ; SEPARATE:             Content:         636F6E7374616E7400
  48 ; SEPARATE-NEXT:      - SectionOffset:   22
  49 ; SEPARATE-NEXT:        InitFlags:       0
  50 ; SEPARATE-NEXT:        Offset:
  51 ; SEPARATE:             Content:         2B
  52 ; SEPARATE-NEXT:      - SectionOffset:   29
  53 ; SEPARATE-NEXT:        InitFlags:       0
  54 ; SEPARATE-NEXT:        Offset:
  55 ; SEPARATE:             Content:         68656C6C6F00
  56 ; SEPARATE-NEXT:      - SectionOffset:   41
  57 ; SEPARATE-NEXT:        InitFlags:       0
  58 ; SEPARATE-NEXT:        Offset:
  59 ; SEPARATE:             Content:         676F6F6462796500
  60 ; SEPARATE-NEXT:      - SectionOffset:   55
  61 ; SEPARATE-NEXT:        InitFlags:       0
  62 ; SEPARATE-NEXT:        Offset:
  63 ; SEPARATE:             Content:         '776861746576657200'
  64 ; SEPARATE-NEXT:      - SectionOffset:   70
  65 ; SEPARATE-NEXT:        InitFlags:       0
  66 ; SEPARATE-NEXT:        Offset:
  67 ; SEPARATE:             Content:         2A000000
  68 ; SEPARATE-NEXT:  - Type:            CUSTOM
  69 ; SEPARATE-NEXT:    Name:            name
  70 ; SEPARATE-NEXT:    FunctionNames:
  71 ; SEPARATE-NEXT:      - Index:           0
  72 ; SEPARATE-NEXT:        Name:            __wasm_call_ctors
  73 ; SEPARATE-NEXT:    GlobalNames:
  74 ; SEPARATE-NEXT:      - Index:           0
  75 ; SEPARATE-NEXT:        Name:            __stack_pointer
  76 ; SEPARATE-NEXT:    DataSegmentNames:
  77 ; SEPARATE-NEXT:      - Index:           0
  78 ; SEPARATE-NEXT:        Name:            .rodata
  79
  80 ; RUN: wasm-ld -no-gc-sections --no-entry --shared-memory --max-memory=131072 -o %t.merged.passive.wasm %t.passive.o
  81 ; RUN: obj2yaml %t.merged.passive.wasm | FileCheck %s --check-prefix=PASSIVE-MERGE
  82 ; RUN: wasm-ld -mwasm64 -no-gc-sections --no-entry --shared-memory --max-memory=131072 -o %t.merged.passive64.wasm %t.passive64.o
  83 ; RUN: obj2yaml %t.merged.passive64.wasm | FileCheck %s --check-prefix=PASSIVE-MERGE
  84
  85 ; PASSIVE-MERGE-LABEL: - Type:            DATACOUNT
  86 ; PASSIVE-MERGE-NEXT:    Count:           2
  87 ; PASSIVE-MERGE-LABEL: - Type:            DATA
  88 ; PASSIVE-MERGE-NEXT:    Segments:
  89 ; PASSIVE-MERGE-NEXT:      - SectionOffset:   3
  90 ; PASSIVE-MERGE-NEXT:        InitFlags:       1
  91 ; PASSIVE-MERGE-NEXT:        Content:         636F6E7374616E74000000002B
  92 ; PASSIVE-MERGE-NEXT:      - SectionOffset:   18
  93 ; PASSIVE-MERGE-NEXT:        InitFlags:       1
  94 ; PASSIVE-MERGE-NEXT:        Content:         68656C6C6F00676F6F6462796500776861746576657200002A000000
  95 ; PASSIVE-MERGE-NEXT:  - Type:            CUSTOM
  96 ; PASSIVE-MERGE-NEXT:    Name:            name
  97 ; PASSIVE-MERGE-NEXT:    FunctionNames:
  98 ; PASSIVE-MERGE-NEXT:      - Index:           0
  99 ; PASSIVE-MERGE-NEXT:        Name:            __wasm_call_ctors
 100 ; PASSIVE-MERGE-NEXT:      - Index:           1
 101 ; PASSIVE-MERGE-NEXT:        Name:            __wasm_init_tls
 102 ; PASSIVE-MERGE-NEXT:      - Index:           2
 103 ; PASSIVE-MERGE-NEXT:        Name:            __wasm_init_memory
 104
 105 ; RUN: wasm-ld -no-gc-sections --no-entry --shared-memory --max-memory=131072 --no-merge-data-segments -o %t.separate.passive.wasm %t.passive.o
 106 ; RUN: obj2yaml %t.separate.passive.wasm | FileCheck %s --check-prefix=PASSIVE-SEPARATE
 107 ; RUN: wasm-ld -mwasm64 -no-gc-sections --no-entry --shared-memory --max-memory=131072 --no-merge-data-segments -o %t.separate.passive64.wasm %t.passive64.o
 108 ; RUN: obj2yaml %t.separate.passive64.wasm | FileCheck %s --check-prefix=PASSIVE-SEPARATE
 109
 110 ; PASSIVE-SEPARATE-LABEL: - Type:            DATACOUNT
 111 ; PASSIVE-SEPARATE-NEXT:    Count:           6
 112 ; PASSIVE-SEPARATE-LABEL: - Type:            DATA
 113 ; PASSIVE-SEPARATE-NEXT:    Segments:
 114 ; PASSIVE-SEPARATE-NEXT:      - SectionOffset:   3
 115 ; PASSIVE-SEPARATE-NEXT:        InitFlags:       1
 116 ; PASSIVE-SEPARATE-NEXT:        Content:         636F6E7374616E7400
 117 ; PASSIVE-SEPARATE-NEXT:      - SectionOffset:   14
 118 ; PASSIVE-SEPARATE-NEXT:        InitFlags:       1
 119 ; PASSIVE-SEPARATE-NEXT:        Content:         2B
 120 ; PASSIVE-SEPARATE-NEXT:      - SectionOffset:   17
 121 ; PASSIVE-SEPARATE-NEXT:        InitFlags:       1
 122 ; PASSIVE-SEPARATE-NEXT:        Content:         68656C6C6F00
 123 ; PASSIVE-SEPARATE-NEXT:      - SectionOffset:   25
 124 ; PASSIVE-SEPARATE-NEXT:        InitFlags:       1
 125 ; PASSIVE-SEPARATE-NEXT:        Content:         676F6F6462796500
 126 ; PASSIVE-SEPARATE-NEXT:      - SectionOffset:   35
 127 ; PASSIVE-SEPARATE-NEXT:        InitFlags:       1
 128 ; PASSIVE-SEPARATE-NEXT:        Content:         '776861746576657200'
 129 ; PASSIVE-SEPARATE-NEXT:      - SectionOffset:   46
 130 ; PASSIVE-SEPARATE-NEXT:        InitFlags:       1
 131 ; PASSIVE-SEPARATE-NEXT:        Content:         2A000000
 132 ; PASSIVE-SEPARATE-NEXT:    - Type:            CUSTOM
 133 ; PASSIVE-SEPARATE-NEXT:      Name:            name
 134 ; PASSIVE-SEPARATE-NEXT:      FunctionNames:
 135 ; PASSIVE-SEPARATE-NEXT:        - Index:           0
 136 ; PASSIVE-SEPARATE-NEXT:          Name:            __wasm_call_ctors
 137 ; PASSIVE-SEPARATE-NEXT:        - Index:           1
 138 ; PASSIVE-SEPARATE-NEXT:          Name:            __wasm_init_tls
 139 ; PASSIVE-SEPARATE-NEXT:        - Index:           2
 140 ; PASSIVE-SEPARATE-NEXT:          Name:            __wasm_init_memory