# This tests the computation of the scope bytes covered by local variables. In # particular, the case when the variable starts in the middle of the enclosing # scope, and the compile unit has both DW_AT_ranges and DW_AT_low_pc attributes. # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj -o %t # RUN: llvm-dwarfdump --statistics %t | FileCheck %s # CHECK: "sum_all_local_vars(#bytes in parent scope)": 12, # CHECK: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": 8, .text # Add padding to ensure the function does not start at address zero. .zero 256 f: # @f .Lf_begin: .zero 4 .Lx_begin: .zero 8 .Lf_end: .section .debug_ranges,"",@progbits .Ldebug_ranges: .quad .Lf_begin .quad .Lf_end .quad 0 .quad 0 .section .debug_loc,"",@progbits .Ldebug_loc: .quad .Lx_begin .quad .Lf_end .short 1 # Loc expr size .byte 85 # super-register DW_OP_reg5 .quad 0 .quad 0 .section .debug_abbrev,"",@progbits .byte 1 # Abbreviation Code .byte 17 # DW_TAG_compile_unit .byte 1 # DW_CHILDREN_yes .byte 37 # DW_AT_producer .byte 8 # DW_FORM_string .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 85 # DW_AT_ranges .byte 23 # DW_FORM_sec_offset .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 2 # Abbreviation Code .byte 46 # DW_TAG_subprogram .byte 1 # DW_CHILDREN_yes .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .byte 3 # DW_AT_name .byte 8 # DW_FORM_string .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 3 # Abbreviation Code .byte 52 # DW_TAG_variable .byte 0 # DW_CHILDREN_no .byte 2 # DW_AT_location .byte 23 # DW_FORM_sec_offset .byte 3 # DW_AT_name .byte 8 # DW_FORM_string .byte 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 5 # Abbreviation Code .byte 36 # DW_TAG_base_type .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 8 # DW_FORM_string .byte 62 # DW_AT_encoding .byte 11 # DW_FORM_data1 .byte 11 # DW_AT_byte_size .byte 11 # DW_FORM_data1 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 0 # EOM(3) .section .debug_info,"",@progbits .Lcu_begin: .long .Ldebug_info_end-.Ldebug_info_start # Length of Unit .Ldebug_info_start: .short 4 # DWARF version number .long .debug_abbrev # Offset Into Abbrev. Section .byte 8 # Address Size (in bytes) .byte 1 # Abbrev [1] 0xb:0x64 DW_TAG_compile_unit .asciz "Hand-written DWARF" # DW_AT_producer .quad 0 # DW_AT_low_pc .long .Ldebug_ranges # DW_AT_ranges .byte 2 # Abbrev [2] 0x2a:0x28 DW_TAG_subprogram .quad .Lf_begin # DW_AT_low_pc .long .Lf_end-.Lf_begin # DW_AT_high_pc .asciz "f" # DW_AT_name .byte 3 # Abbrev [3] 0x43:0xe DW_TAG_variable .long .Ldebug_loc # DW_AT_location .asciz "x" # DW_AT_name .long .Lint # DW_AT_type .byte 0 # End Of Children Mark .Lint: .byte 5 # Abbrev [5] 0x67:0x7 DW_TAG_base_type .asciz "int" # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 0 # End Of Children Mark .Ldebug_info_end: