llvm/test/tools/llvm-dwarfutil/ELF/X86/gc-bfd.test

   1 ## This test checks that debug info related to deleted code (marked with
   2 ## tombstone=bfd) is removed.
   3
   4 # RUN: yaml2obj %s -o %t.o
   5
   6 # RUN: llvm-dwarfutil --tombstone=bfd --garbage-collection %t.o - | llvm-dwarfdump -a - | FileCheck %s
   7 # RUN: llvm-dwarfutil --tombstone=universal --garbage-collection %t.o - | llvm-dwarfdump -a - | FileCheck %s
   8
   9 # CHECK: DW_TAG_compile_unit
  10 # CHECK: DW_AT_name{{.*}}"CU1"
  11 # CHECK: DW_TAG_class_type
  12 # CHECK: DW_AT_name{{.*}}"class1"
  13 # CHECK-NOT: DW_TAG_class_type
  14 # CHECK-NOT: "class2"
  15 # CHECK-NOT: "class3"
  16 # CHECK: DW_TAG_subprogram
  17 # CHECK: DW_AT_name{{.*}}"foo1"
  18 # CHECK: DW_AT_low_pc{{.*}}0x0000000000001000
  19 # CHECK: DW_AT_high_pc{{.*}}0x0000000000001010
  20 # CHECK: DW_AT_type{{.*}}"class1"
  21 # CHECK-NOT: DW_TAG_subprogram
  22 # CHECK-NOT: "foo2"
  23
  24
  25 --- !ELF
  26 FileHeader:
  27   Class:    ELFCLASS64
  28   Data:     ELFDATA2LSB
  29   Type:     ET_REL
  30   Machine:  EM_X86_64
  31 Sections:
  32   - Name:            .text
  33     Type:            SHT_PROGBITS
  34     Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
  35     Address:         0x1000
  36     Size:            0x1b
  37 DWARF:
  38   debug_abbrev:
  39     - Table:
  40       - Tag:      DW_TAG_compile_unit
  41         Children: DW_CHILDREN_yes
  42         Attributes:
  43           - Attribute: DW_AT_producer
  44             Form:      DW_FORM_string
  45           - Attribute: DW_AT_language
  46             Form:      DW_FORM_data2
  47           - Attribute: DW_AT_name
  48             Form:      DW_FORM_string
  49           - Attribute: DW_AT_low_pc
  50             Form:      DW_FORM_addr
  51           - Attribute: DW_AT_high_pc
  52             Form:      DW_FORM_data8
  53       - Tag:      DW_TAG_subprogram
  54         Children: DW_CHILDREN_no
  55         Attributes:
  56           - Attribute: DW_AT_name
  57             Form:      DW_FORM_string
  58           - Attribute: DW_AT_low_pc
  59             Form:      DW_FORM_addr
  60           - Attribute: DW_AT_high_pc
  61             Form:      DW_FORM_data8
  62           - Attribute: DW_AT_type
  63             Form:      DW_FORM_ref4
  64       - Tag:      DW_TAG_class_type
  65         Children: DW_CHILDREN_yes
  66         Attributes:
  67           - Attribute: DW_AT_name
  68             Form:      DW_FORM_string
  69       - Tag:      DW_TAG_member
  70         Children: DW_CHILDREN_no
  71         Attributes:
  72           - Attribute: DW_AT_type
  73             Form:      DW_FORM_ref4
  74           - Attribute: DW_AT_name
  75             Form:      DW_FORM_string
  76       - Tag:      DW_TAG_class_type
  77         Children: DW_CHILDREN_no
  78         Attributes:
  79           - Attribute: DW_AT_name
  80             Form:      DW_FORM_string
  81           - Attribute: DW_AT_declaration
  82             Form:      DW_FORM_flag_present
  83       - Tag:      DW_TAG_class_type
  84         Children: DW_CHILDREN_yes
  85         Attributes:
  86           - Attribute: DW_AT_name
  87             Form:      DW_FORM_string
  88           - Attribute: DW_AT_declaration
  89             Form:      DW_FORM_flag_present
  90       - Tag:      DW_TAG_template_type_parameter
  91         Children: DW_CHILDREN_no
  92         Attributes:
  93           - Attribute: DW_AT_type
  94             Form:      DW_FORM_ref4
  95       - Tag:      DW_TAG_base_type
  96         Children: DW_CHILDREN_no
  97         Attributes:
  98           - Attribute: DW_AT_name
  99             Form:      DW_FORM_string
 100   debug_info:
 101     - Version: 4
 102       Entries:
 103         - AbbrCode: 1
 104           Values:
 105             - CStr: by_hand
 106             - Value:  0x04
 107             - CStr: CU1
 108             - Value:  0x1000
 109             - Value:  0x1b
 110         - AbbrCode: 3
 111           Values:
 112             - CStr: class1
 113         - AbbrCode: 4
 114           Values:
 115             - Value:  0x0000006c
 116             - CStr: member1
 117         - AbbrCode: 0
 118         - AbbrCode: 3
 119           Values:
 120             - CStr: class2
 121         - AbbrCode: 4
 122           Values:
 123             - Value:  0x0000006c
 124             - CStr: member1
 125         - AbbrCode: 0
 126         - AbbrCode: 3
 127           Values:
 128             - CStr: class3
 129         - AbbrCode: 4
 130           Values:
 131             - Value:  0x0000006c
 132             - CStr: member1
 133         - AbbrCode: 0
 134         - AbbrCode: 8
 135           Values:
 136             - CStr: int
 137         - AbbrCode: 2
 138           Values:
 139             - CStr: foo1
 140             - Value:  0x1000
 141             - Value:  0x10
 142             - Value:  0x0000002a
 143         - AbbrCode: 2
 144           Values:
 145             - CStr: foo2
 146             - Value:  0x0
 147             - Value:  0x100
 148             - Value:  0x00000040
 149         - AbbrCode: 0
 150 ...