stats-scope-bytes-covered.yaml
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# RUN: yaml2obj %s | llvm-dwarfdump --statistics - | FileCheck %s
## Check that coverage for variable locations which do not cover the parent
## scope is tracked separately in "sum_all_variables(#bytes in any scope
## covered by DW_AT_location)".
##
## The yaml represents this DWARF:
##
## DW_TAG_compile_unit
## DW_AT_low_pc (0x0000000000000000)
## DW_AT_high_pc (0x000000000000000b)
##
## DW_TAG_subprogram
## DW_AT_low_pc (0x0000000000000000)
## DW_AT_high_pc (0x000000000000000b)
##
## DW_TAG_lexical_block
## DW_AT_ranges (0x00000000
## [0x0000000000000000, 0x0000000000000003)
## [0x0000000000000005, 0x0000000000000008))
##
## // #bytes in parent scope: 6
## // #bytes in any scope covered by DW_AT_location: 6
## // #bytes in parent scope covered by DW_AT_location: 4
## DW_TAG_variable
## DW_AT_location (0x00000000:
## [0x0000000000000000, 0x0000000000000006): DW_OP_reg5 RDI)
##
## // #bytes in parent scope: 6
## // #bytes in any scope covered by DW_AT_location: 2
## // #bytes in parent scope covered by DW_AT_location: 0
## DW_TAG_variable
## DW_AT_location (0x00000023:
## [0x0000000000000003, 0x0000000000000005): DW_OP_reg2 RCX)
# CHECK: "version": 6,
# CHECK: "sum_all_variables(#bytes in parent scope)": 12,
# CHECK: "sum_all_variables(#bytes in any scope covered by DW_AT_location)": 8
# CHECK: "sum_all_variables(#bytes in parent scope covered by DW_AT_location)": 4
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .debug_loc
Type: SHT_PROGBITS
AddressAlign: 0x01
Content: '00000000000000000600000000000000010055000000000000000000000000000000000300000000000000050000000000000001005200000000000000000000000000000000'
- Name: .debug_ranges
Type: SHT_PROGBITS
AddressAlign: 0x01
Content: '000000000000000003000000000000000500000000000000080000000000000000000000000000000000000000000000'
DWARF:
debug_abbrev:
- Table:
- Code: 1
Tag: DW_TAG_compile_unit
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- Attribute: DW_AT_high_pc
Form: DW_FORM_data4
- Code: 2
Tag: DW_TAG_subprogram
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_low_pc
Form: DW_FORM_addr
- Attribute: DW_AT_high_pc
Form: DW_FORM_data4
- Code: 3
Tag: DW_TAG_lexical_block
Children: DW_CHILDREN_yes
Attributes:
- Attribute: DW_AT_ranges
Form: DW_FORM_sec_offset
- Code: 4
Tag: DW_TAG_variable
Children: DW_CHILDREN_no
Attributes:
- Attribute: DW_AT_location
Form: DW_FORM_sec_offset
debug_info:
- Version: 4
AbbrOffset: 0x00
Entries:
- AbbrCode: 1 ## DW_TAG_compile_unit
Values:
- Value: 0x00 ## DW_AT_low_pc
- Value: 0x0b ## DW_AT_high_pc
- AbbrCode: 2 ## DW_TAG_subprogram
Values:
- Value: 0x00 ## DW_AT_low_pc
- Value: 0x0b ## DW_AT_high_pc
- AbbrCode: 3 ## DW_TAG_lexical_block
Values:
- Value: 0x00 ## DW_AT_ranges
- AbbrCode: 4 ## DW_TAG_variable
Values:
- Value: 0x00 ## DW_AT_sec_offset
- AbbrCode: 4 ## DW_TAG_variable
Values:
- Value: 0x23 ## DW_AT_sec_offset
- AbbrCode: 0 ## NULL
- AbbrCode: 0 ## NULL
- AbbrCode: 0 ## NULL