lld/test/wasm/bss-only.s

   1 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
   2 # RUN: wasm-ld -no-gc-sections --no-entry --export=__data_end %t.o -o %t.wasm
   3 # RUN: obj2yaml %t.wasm | FileCheck %s
   4
   5 # Test that the data section is skipped entirely when there are only
   6 # bss segments
   7
   8   .section  .bss.a,"",@
   9   .globl  a
  10 a:
  11   .skip 1000
  12   .size a, 1000
  13
  14   .section  .bss.b,"",@
  15   .globl  b
  16 b:
  17   .int32  0
  18   .size b, 4
  19
  20 # CHECK-NOT: - Type:            DATA
  21
  22 #      CHECK:   - Type:            GLOBAL
  23 # CHECK-NEXT:     Globals:
  24 # CHECK-NEXT:       - Index:           0
  25 # CHECK-NEXT:         Type:            I32
  26 # CHECK-NEXT:         Mutable:         true
  27 # CHECK-NEXT:         InitExpr:
  28 # CHECK-NEXT:           Opcode:          I32_CONST
  29 # CHECK-NEXT:           Value:           67568
  30 # CHECK-NEXT:       - Index:           1
  31 # CHECK-NEXT:         Type:            I32
  32 # CHECK-NEXT:         Mutable:         false
  33 # CHECK-NEXT:         InitExpr:
  34 # CHECK-NEXT:           Opcode:          I32_CONST
  35 # CHECK-NEXT:           Value:           2028
  36 # CHECK-NEXT:   - Type:            EXPORT
  37 # CHECK-NEXT:     Exports:
  38 # CHECK-NEXT:       - Name:            memory
  39 # CHECK-NEXT:         Kind:            MEMORY
  40 # CHECK-NEXT:         Index:           0
  41 # CHECK-NEXT:       - Name:            __data_end
  42 # CHECK-NEXT:         Kind:            GLOBAL
  43 # CHECK-NEXT:         Index:           1
  44
  45 # CHECK-NOT: DataSegmentNames: