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

   1 ## This test checks that debug info related to deleted code (marked with
   2 ## tombstone=maxpc) is removed.
   3
   4 ## RUN: yaml2obj %s -o %t.o
   5
   6 # RUN: llvm-dwarfutil --no-odr --tombstone=maxpc --garbage-collection %t.o - | llvm-dwarfdump -a - | FileCheck %s
   7 # RUN: llvm-dwarfutil --no-odr --tombstone=universal --garbage-collection %t.o - | llvm-dwarfdump -a - | FileCheck %s
   8
   9 # RUN: llvm-dwarfutil --no-odr --linker parallel --tombstone=maxpc --garbage-collection %t.o - | llvm-dwarfdump -a - | FileCheck %s
  10 # RUN: llvm-dwarfutil --no-odr --linker parallel --tombstone=universal --garbage-collection %t.o - | llvm-dwarfdump -a - | FileCheck %s
  11
  12 # CHECK: DW_TAG_compile_unit
  13 # CHECK: DW_AT_name{{.*}}"CU1"
  14 # CHECK: DW_TAG_class_type
  15 # CHECK: DW_AT_name{{.*}}"class1"
  16 # CHECK-NOT: DW_TAG_class_type
  17 # CHECK-NOT: "class2"
  18 # CHECK-NOT: "class3"
  19 # CHECK: DW_TAG_subprogram
  20 # CHECK: DW_AT_name{{.*}}"foo1"
  21 # CHECK: DW_AT_low_pc{{.*}}0x0000000000001000
  22 # CHECK: DW_AT_high_pc{{.*}}0x0000000000001010
  23 # CHECK: DW_AT_type{{.*}}"class1"
  24 # CHECK-NOT: DW_TAG_subprogram
  25 # CHECK-NOT: "foo2"
  26
  27
  28 --- !ELF
  29 FileHeader:
  30   Class:    ELFCLASS64
  31   Data:     ELFDATA2LSB
  32   Type:     ET_REL
  33   Machine:  EM_X86_64
  34 Sections:
  35   - Name:            .text
  36     Type:            SHT_PROGBITS
  37     Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
  38     Address:         0x1000
  39     Size:            0x1b
  40 DWARF:
  41   debug_abbrev:
  42     - Table:
  43       - Tag:      DW_TAG_compile_unit
  44         Children: DW_CHILDREN_yes
  45         Attributes:
  46           - Attribute: DW_AT_producer
  47             Form:      DW_FORM_string
  48           - Attribute: DW_AT_language
  49             Form:      DW_FORM_data2
  50           - Attribute: DW_AT_name
  51             Form:      DW_FORM_string
  52           - Attribute: DW_AT_low_pc
  53             Form:      DW_FORM_addr
  54           - Attribute: DW_AT_high_pc
  55             Form:      DW_FORM_data8
  56       - Tag:      DW_TAG_subprogram
  57         Children: DW_CHILDREN_no
  58         Attributes:
  59           - Attribute: DW_AT_name
  60             Form:      DW_FORM_string
  61           - Attribute: DW_AT_low_pc
  62             Form:      DW_FORM_addr
  63           - Attribute: DW_AT_high_pc
  64             Form:      DW_FORM_data8
  65           - Attribute: DW_AT_type
  66             Form:      DW_FORM_ref4
  67       - Tag:      DW_TAG_class_type
  68         Children: DW_CHILDREN_yes
  69         Attributes:
  70           - Attribute: DW_AT_name
  71             Form:      DW_FORM_string
  72       - Tag:      DW_TAG_member
  73         Children: DW_CHILDREN_no
  74         Attributes:
  75           - Attribute: DW_AT_type
  76             Form:      DW_FORM_ref4
  77           - Attribute: DW_AT_name
  78             Form:      DW_FORM_string
  79       - Tag:      DW_TAG_class_type
  80         Children: DW_CHILDREN_no
  81         Attributes:
  82           - Attribute: DW_AT_name
  83             Form:      DW_FORM_string
  84           - Attribute: DW_AT_declaration
  85             Form:      DW_FORM_flag_present
  86       - Tag:      DW_TAG_class_type
  87         Children: DW_CHILDREN_yes
  88         Attributes:
  89           - Attribute: DW_AT_name
  90             Form:      DW_FORM_string
  91           - Attribute: DW_AT_declaration
  92             Form:      DW_FORM_flag_present
  93       - Tag:      DW_TAG_template_type_parameter
  94         Children: DW_CHILDREN_no
  95         Attributes:
  96           - Attribute: DW_AT_type
  97             Form:      DW_FORM_ref4
  98       - Tag:      DW_TAG_base_type
  99         Children: DW_CHILDREN_no
 100         Attributes:
 101           - Attribute: DW_AT_name
 102             Form:      DW_FORM_string
 103   debug_info:
 104     - Version: 4
 105       Entries:
 106         - AbbrCode: 1
 107           Values:
 108             - CStr: by_hand
 109             - Value:  0x04
 110             - CStr: CU1
 111             - Value:  0x1000
 112             - Value:  0x1b
 113         - AbbrCode: 3
 114           Values:
 115             - CStr: class1
 116         - AbbrCode: 4
 117           Values:
 118             - Value:  0x0000006c
 119             - CStr: member1
 120         - AbbrCode: 0
 121         - AbbrCode: 3
 122           Values:
 123             - CStr: class2
 124         - AbbrCode: 4
 125           Values:
 126             - Value:  0x0000006c
 127             - CStr: member1
 128         - AbbrCode: 0
 129         - AbbrCode: 3
 130           Values:
 131             - CStr: class3
 132         - AbbrCode: 4
 133           Values:
 134             - Value:  0x0000006c
 135             - CStr: member1
 136         - AbbrCode: 0
 137         - AbbrCode: 8
 138           Values:
 139             - CStr: int
 140         - AbbrCode: 2
 141           Values:
 142             - CStr: foo1
 143             - Value:  0x1000
 144             - Value:  0x10
 145             - Value:  0x0000002a
 146         - AbbrCode: 2
 147           Values:
 148             - CStr: foo2
 149             - Value:  0xFFFFFFFFFFFFFFFF
 150             - Value:  0x100
 151             - Value:  0x00000040
 152         - AbbrCode: 0
 153 ...