# __attribute__((always_inline))
# int doStuff(int val) {
# if (val)
# ++val;
# return val;
# }
# __attribute__((always_inline))
# int doStuffSame(int val) {
# if (val)
# ++val;
# return val;
# }
#
#
# int main(int argc, const char** argv) {
# return doStuff(argc) + doStuffSame(argc);
# }
# Assembly manually modified to set DW_AT_low_pc to 0 for DW_TAG_inlined_subroutine(s)
.text
.file "main.cpp"
.section .text._Z7doStuffi,"ax",@progbits
.globl _Z7doStuffi # -- Begin function _Z7doStuffi
.p2align 4, 0x90
.type _Z7doStuffi,@function
_Z7doStuffi: # @_Z7doStuffi
.Lfunc_begin0:
.file 1 "." "main.cpp"
.loc 1 2 0 # main.cpp:2:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
.Ltmp0:
.loc 1 3 7 prologue_end # main.cpp:3:7
cmpl $0, -4(%rbp)
.Ltmp1:
.loc 1 3 7 is_stmt 0 # main.cpp:3:7
je .LBB0_2
# %bb.1: # %if.then
.Ltmp2:
.loc 1 4 5 is_stmt 1 # main.cpp:4:5
movl -4(%rbp), %eax
addl $1, %eax
movl %eax, -4(%rbp)
.Ltmp3:
.LBB0_2: # %if.end
.loc 1 5 10 # main.cpp:5:10
movl -4(%rbp), %eax
.loc 1 5 3 epilogue_begin is_stmt 0 # main.cpp:5:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.Ltmp4:
.Lfunc_end0:
.size _Z7doStuffi, .Lfunc_end0-_Z7doStuffi
.cfi_endproc
# -- End function
.section .text._Z11doStuffSamei,"ax",@progbits
.globl _Z11doStuffSamei # -- Begin function _Z11doStuffSamei
.p2align 4, 0x90
.type _Z11doStuffSamei,@function
_Z11doStuffSamei: # @_Z11doStuffSamei
.Lfunc_begin1:
.loc 1 8 0 is_stmt 1 # main.cpp:8:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl %edi, -4(%rbp)
.Ltmp5:
.loc 1 9 11 prologue_end # main.cpp:9:11
cmpl $0, -4(%rbp)
.Ltmp6:
.loc 1 9 11 is_stmt 0 # main.cpp:9:11
je .LBB1_2
# %bb.1: # %if.then
.Ltmp7:
.loc 1 10 13 is_stmt 1 # main.cpp:10:13
movl -4(%rbp), %eax
addl $1, %eax
movl %eax, -4(%rbp)
.Ltmp8:
.LBB1_2: # %if.end
.loc 1 11 16 # main.cpp:11:16
movl -4(%rbp), %eax
.loc 1 11 9 epilogue_begin is_stmt 0 # main.cpp:11:9
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.Ltmp9:
.Lfunc_end1:
.size _Z11doStuffSamei, .Lfunc_end1-_Z11doStuffSamei
.cfi_endproc
# -- End function
.section .text.main,"ax",@progbits
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin2:
.loc 1 15 0 is_stmt 1 # main.cpp:15:0
.cfi_startproc
# %bb.0: # %entry
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset %rbp, -16
movq %rsp, %rbp
.cfi_def_cfa_register %rbp
movl $0, -12(%rbp)
movl %edi, -16(%rbp)
movq %rsi, -24(%rbp)
.Ltmp10:
.loc 1 16 21 prologue_end # main.cpp:16:21
movl -16(%rbp), %eax
movl %eax, -8(%rbp)
.Ltmp11:
.loc 1 3 7 # main.cpp:3:7
cmpl $0, -8(%rbp)
.Ltmp12:
.loc 1 3 7 is_stmt 0 # main.cpp:3:7
je .LBB2_2
# %bb.1: # %if.then.i
.Ltmp13:
.loc 1 4 5 is_stmt 1 # main.cpp:4:5
movl -8(%rbp), %eax
addl $1, %eax
movl %eax, -8(%rbp)
.Ltmp14:
.LBB2_2: # %_Z7doStuffi.exit
.loc 1 5 10 # main.cpp:5:10
movl -8(%rbp), %eax
movl %eax, -28(%rbp) # 4-byte Spill
.Ltmp15:
.loc 1 16 41 # main.cpp:16:41
movl -16(%rbp), %eax
movl %eax, -4(%rbp)
.Ltmp16:
.loc 1 9 11 # main.cpp:9:11
cmpl $0, -4(%rbp)
.Ltmp17:
.loc 1 9 11 is_stmt 0 # main.cpp:9:11
je .LBB2_4
# %bb.3: # %if.then.i4
.Ltmp18:
.loc 1 10 13 is_stmt 1 # main.cpp:10:13
movl -4(%rbp), %eax
addl $1, %eax
movl %eax, -4(%rbp)
.Ltmp19:
.LBB2_4: # %_Z11doStuffSamei.exit
.loc 1 0 13 is_stmt 0 # main.cpp:0:13
movl -28(%rbp), %eax # 4-byte Reload
.loc 1 16 27 is_stmt 1 # main.cpp:16:27
addl -4(%rbp), %eax
.loc 1 16 5 epilogue_begin is_stmt 0 # main.cpp:16:5
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.Ltmp20:
.Lfunc_end2:
.size main, .Lfunc_end2-main
.cfi_endproc
# -- End function
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 14 # DW_FORM_strp
.ascii "\264B" # DW_AT_GNU_pubnames
.byte 25 # DW_FORM_flag_present
.ascii "\260B" # DW_AT_GNU_dwo_name
.byte 14 # DW_FORM_strp
.ascii "\261B" # DW_AT_GNU_dwo_id
.byte 7 # DW_FORM_data8
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 85 # DW_AT_ranges
.byte 23 # DW_FORM_sec_offset
.ascii "\263B" # DW_AT_GNU_addr_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x25 DW_TAG_compile_unit
.long .Lline_table_start0 # DW_AT_stmt_list
.long .Lskel_string0 # DW_AT_comp_dir
# DW_AT_GNU_pubnames
.long .Lskel_string1 # DW_AT_GNU_dwo_name
.quad 1388808602086005033 # DW_AT_GNU_dwo_id
.quad 0 # DW_AT_low_pc
.long .Ldebug_ranges0 # DW_AT_ranges
.long .Laddr_table_base0 # DW_AT_GNU_addr_base
.Ldebug_info_end0:
.section .debug_ranges,"",@progbits
.Ldebug_ranges0:
.quad .Lfunc_begin0
.quad .Lfunc_end0
.quad .Lfunc_begin1
.quad .Lfunc_end1
.quad .Lfunc_begin2
.quad .Lfunc_end2
.quad 0 # manually modified
.quad 0 # manually modified
.section .debug_str,"MS",@progbits,1
.Lskel_string0:
.asciz "." # string offset=0
.Lskel_string1:
.asciz "main.dwo" # string offset=38
.section .debug_str.dwo,"eMS",@progbits,1
.Linfo_string0:
.asciz "_Z7doStuffi" # string offset=0
.Linfo_string1:
.asciz "doStuff" # string offset=12
.Linfo_string2:
.asciz "int" # string offset=20
.Linfo_string3:
.asciz "val" # string offset=24
.Linfo_string4:
.asciz "_Z11doStuffSamei" # string offset=28
.Linfo_string5:
.asciz "doStuffSame" # string offset=45
.Linfo_string6:
.asciz "main" # string offset=57
.Linfo_string7:
.asciz "argc" # string offset=62
.Linfo_string8:
.asciz "argv" # string offset=67
.Linfo_string9:
.asciz "char" # string offset=72
.Linfo_string10:
.asciz "clang version 18.0.0 ([email protected]:llvm/llvm-project.git 63dbe7e808d07bdf25bad85301980bc323b0cd64)" # string offset=77
.Linfo_string11:
.asciz "main.cpp" # string offset=178
.Linfo_string12:
.asciz "main.dwo" # string offset=187
.section .debug_str_offsets.dwo,"e",@progbits
.long 0
.long 12
.long 20
.long 24
.long 28
.long 45
.long 57
.long 62
.long 67
.long 72
.long 77
.long 178
.long 187
.section .debug_info.dwo,"e",@progbits
.long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
.Ldebug_info_dwo_start0:
.short 4 # DWARF version number
.long 0 # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0xc8 DW_TAG_compile_unit
.byte 10 # DW_AT_producer
.short 33 # DW_AT_language
.byte 11 # DW_AT_name
.byte 12 # DW_AT_GNU_dwo_name
.quad 1388808602086005033 # DW_AT_GNU_dwo_id
.byte 2 # Abbrev [2] 0x19:0x15 DW_TAG_subprogram
.byte 0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 86
.long 67 # DW_AT_abstract_origin
.byte 3 # Abbrev [3] 0x25:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 77 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 2 # Abbrev [2] 0x2e:0x15 DW_TAG_subprogram
.byte 1 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 86
.long 90 # DW_AT_abstract_origin
.byte 3 # Abbrev [3] 0x3a:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 100 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 4 # Abbrev [4] 0x43:0x13 DW_TAG_subprogram
.byte 0 # DW_AT_linkage_name
.byte 1 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 86 # DW_AT_type
# DW_AT_external
.byte 1 # DW_AT_inline
.byte 5 # Abbrev [5] 0x4d:0x8 DW_TAG_formal_parameter
.byte 3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 86 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0x56:0x4 DW_TAG_base_type
.byte 2 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 4 # Abbrev [4] 0x5a:0x13 DW_TAG_subprogram
.byte 4 # DW_AT_linkage_name
.byte 5 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 86 # DW_AT_type
# DW_AT_external
.byte 1 # DW_AT_inline
.byte 5 # Abbrev [5] 0x64:0x8 DW_TAG_formal_parameter
.byte 3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.long 86 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 7 # Abbrev [7] 0x6d:0x52 DW_TAG_subprogram
.byte 2 # DW_AT_low_pc
.long .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 86
.byte 6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 15 # DW_AT_decl_line
.long 86 # DW_AT_type
# DW_AT_external
.byte 8 # Abbrev [8] 0x7c:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 112
.byte 7 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 15 # DW_AT_decl_line
.long 86 # DW_AT_type
.byte 8 # Abbrev [8] 0x87:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 104
.byte 8 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 15 # DW_AT_decl_line
.long 191 # DW_AT_type
.byte 9 # Abbrev [9] 0x92:0x16 DW_TAG_inlined_subroutine
.long 67 # DW_AT_abstract_origin
.byte 3 # DW_AT_low_pc
.long .Ltmp15-.Ltmp11 # DW_AT_high_pc
.byte 1 # DW_AT_call_file
.byte 16 # DW_AT_call_line
.byte 13 # DW_AT_call_column
.byte 3 # Abbrev [3] 0x9f:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 120
.long 77 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 9 # Abbrev [9] 0xa8:0x16 DW_TAG_inlined_subroutine
.long 90 # DW_AT_abstract_origin
.byte 4 # DW_AT_low_pc
.long .Ltmp19-.Ltmp16 # DW_AT_high_pc
.byte 1 # DW_AT_call_file
.byte 16 # DW_AT_call_line
.byte 29 # DW_AT_call_column
.byte 3 # Abbrev [3] 0xb5:0x8 DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.long 100 # DW_AT_abstract_origin
.byte 0 # End Of Children Mark
.byte 0 # End Of Children Mark
.byte 10 # Abbrev [10] 0xbf:0x5 DW_TAG_pointer_type
.long 196 # DW_AT_type
.byte 10 # Abbrev [10] 0xc4:0x5 DW_TAG_pointer_type
.long 201 # DW_AT_type
.byte 11 # Abbrev [11] 0xc9:0x5 DW_TAG_const_type
.long 206 # DW_AT_type
.byte 6 # Abbrev [6] 0xce:0x4 DW_TAG_base_type
.byte 9 # DW_AT_name
.byte 6 # DW_AT_encoding
.byte 1 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_dwo_end0:
.section .debug_abbrev.dwo,"e",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.ascii "\260B" # DW_AT_GNU_dwo_name
.ascii "\202>" # DW_FORM_GNU_str_index
.ascii "\261B" # DW_AT_GNU_dwo_id
.byte 7 # DW_FORM_data8
.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
.ascii "\201>" # DW_FORM_GNU_addr_index
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 110 # DW_AT_linkage_name
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 32 # DW_AT_inline
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.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 7 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.ascii "\201>" # DW_FORM_GNU_addr_index
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 8 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 9 # Abbreviation Code
.byte 29 # DW_TAG_inlined_subroutine
.byte 1 # DW_CHILDREN_yes
.byte 49 # DW_AT_abstract_origin
.byte 19 # DW_FORM_ref4
.byte 17 # DW_AT_low_pc
.ascii "\201>" # DW_FORM_GNU_addr_index
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 88 # DW_AT_call_file
.byte 11 # DW_FORM_data1
.byte 89 # DW_AT_call_line
.byte 11 # DW_FORM_data1
.byte 87 # DW_AT_call_column
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 10 # Abbreviation Code
.byte 15 # DW_TAG_pointer_type
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 11 # Abbreviation Code
.byte 38 # DW_TAG_const_type
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_addr,"",@progbits
.Laddr_table_base0:
.quad .Lfunc_begin0
.quad .Lfunc_begin1
.quad .Lfunc_begin2
.quad 0
.quad 0
.section .debug_gnu_pubnames,"",@progbits
.long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
.LpubNames_start0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 48 # Compilation Unit Length
.long 67 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "doStuff" # External Name
.long 90 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "doStuffSame" # External Name
.long 109 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "main" # External Name
.long 0 # End Mark
.LpubNames_end0:
.section .debug_gnu_pubtypes,"",@progbits
.long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
.LpubTypes_start0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 48 # Compilation Unit Length
.long 86 # DIE offset
.byte 144 # Attributes: TYPE, STATIC
.asciz "int" # External Name
.long 206 # DIE offset
.byte 144 # Attributes: TYPE, STATIC
.asciz "char" # External Name
.long 0 # End Mark
.LpubTypes_end0:
.ident "clang version 18.0.0 ([email protected]:llvm/llvm-project.git 63dbe7e808d07bdf25bad85301980bc323b0cd64)"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
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