llvm/test/ExecutionEngine/JITLink/x86-64/COFF_comdat_associative_dead_strip.test

   1 # RUN: yaml2obj %s -o %t
   2 # RUN: llvm-jitlink -noexec \
   3 # RUN: -slab-allocate 100Kb -slab-address 0xfff00000 -slab-page-size 4096 \
   4 # RUN: -show-graphs='.*' -noexec %t 2>&1 | FileCheck %s
   5 #
   6 # Check a comdat child block connected by associative selection type is dead strip when
   7 # parent block is dead.
   8 #
   9 # CHECK: Link graph
  10 # CHECK-DAG: section parent:
  11 # CHECK-EMPTY:
  12 # CHECK-DAG: section child:
  13 # CHECK-EMPTY:
  14
  15 --- !COFF
  16 header:
  17   Machine:         IMAGE_FILE_MACHINE_AMD64
  18   Characteristics: [  ]
  19 sections:
  20   - Name:            .text
  21     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  22     Alignment:       16
  23     SectionData:     '0000000000000000'
  24   - Name:            parent
  25     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  26     Alignment:       16
  27     SectionData:     '0000000000000000'
  28   - Name:            child
  29     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_READ ]
  30     Alignment:       4
  31     SectionData:     '0000000000000000'
  32 symbols:
  33   - Name:            .text
  34     Value:           0
  35     SectionNumber:   1
  36     SimpleType:      IMAGE_SYM_TYPE_NULL
  37     ComplexType:     IMAGE_SYM_DTYPE_NULL
  38     StorageClass:    IMAGE_SYM_CLASS_STATIC
  39     SectionDefinition:
  40       Length:          8
  41       NumberOfRelocations: 0
  42       CheckSum:            0
  43       NumberOfLinenumbers: 0
  44       Number:          1
  45   - Name:            child
  46     Value:           0
  47     SectionNumber:   3
  48     SimpleType:      IMAGE_SYM_TYPE_NULL
  49     ComplexType:     IMAGE_SYM_DTYPE_NULL
  50     StorageClass:    IMAGE_SYM_CLASS_STATIC
  51     SectionDefinition:
  52       Length:          4
  53       NumberOfRelocations: 0
  54       NumberOfLinenumbers: 0
  55       Number:          2
  56       CheckSum:  0
  57       Selection:       IMAGE_COMDAT_SELECT_ASSOCIATIVE
  58   - Name:            main
  59     Value:           0
  60     SectionNumber:   1
  61     SimpleType:      IMAGE_SYM_TYPE_NULL
  62     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
  63     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  64 ...