# clang++ -g -gdwarf-5 -emit-llvm -S helper.cpp
# llc -O0 -mtriple=x86_64-unknown-linux-gnu helper.ll
# int z = 0;
# int d = 0;
#
# int helper(int z_, int d_) {
# z += z_;
# d += d_;
# return z * d;
# }
.text
.file "helper.cpp"
.file 0 "." "helper.cpp" md5 0xe635924a35b65444173d0c76a54b866f
.globl _Z6helperii # -- Begin function _Z6helperii
.p2align 4, 0x90
.type _Z6helperii,@function
_Z6helperii: # @_Z6helperii
.Lfunc_begin0:
.loc 0 4 0 # helper.cpp:4:0
.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)
movl %esi, -8(%rbp)
.Ltmp0:
.loc 0 5 7 prologue_end # helper.cpp:5:7
movl -4(%rbp), %eax
.loc 0 5 4 is_stmt 0 # helper.cpp:5:4
addl z, %eax
movl %eax, z
.loc 0 6 7 is_stmt 1 # helper.cpp:6:7
movl -8(%rbp), %eax
.loc 0 6 4 is_stmt 0 # helper.cpp:6:4
addl d, %eax
movl %eax, d
.loc 0 7 9 is_stmt 1 # helper.cpp:7:9
movl z, %eax
.loc 0 7 11 is_stmt 0 # helper.cpp:7:11
imull d, %eax
.loc 0 7 2 # helper.cpp:7:2
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.Ltmp1:
.Lfunc_end0:
.size _Z6helperii, .Lfunc_end0-_Z6helperii
.cfi_endproc
# -- End function
.type z,@object # @z
.bss
.globl z
.p2align 2
z:
.long 0 # 0x0
.size z, 4
.type d,@object # @d
.globl d
.p2align 2
d:
.long 0 # 0x0
.size d, 4
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 74 # DW_TAG_skeleton_unit
.byte 0 # DW_CHILDREN_no
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.ascii "\264B" # DW_AT_GNU_pubnames
.byte 25 # DW_FORM_flag_present
.byte 118 # DW_AT_dwo_name
.byte 37 # DW_FORM_strx1
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 115 # DW_AT_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 5 # DWARF version number
.byte 4 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.quad -3815466543033299045
.byte 1 # Abbrev [1] 0x14:0x14 DW_TAG_skeleton_unit
.long .Lline_table_start0 # DW_AT_stmt_list
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.byte 0 # DW_AT_comp_dir
# DW_AT_GNU_pubnames
.byte 1 # DW_AT_dwo_name
.byte 2 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.long .Laddr_table_base0 # DW_AT_addr_base
.Ldebug_info_end0:
.section .debug_str_offsets,"",@progbits
.long 12 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Lskel_string0:
.asciz "." # string offset=0
.Lskel_string1:
.asciz "helper.dwo" # string offset=2
.section .debug_str_offsets,"",@progbits
.long .Lskel_string0
.long .Lskel_string1
.section .debug_str_offsets.dwo,"e",@progbits
.long 44 # Length of String Offsets Set
.short 5
.short 0
.section .debug_str.dwo,"eMS",@progbits,1
.Linfo_string0:
.asciz "z" # string offset=0
.Linfo_string1:
.asciz "int" # string offset=2
.Linfo_string2:
.asciz "d" # string offset=6
.Linfo_string3:
.asciz "_Z6helperii" # string offset=8
.Linfo_string4:
.asciz "helper" # string offset=20
.Linfo_string5:
.asciz "z_" # string offset=27
.Linfo_string6:
.asciz "d_" # string offset=30
.Linfo_string7:
.asciz "clang version 15.0.0" # string offset=33
.Linfo_string8:
.asciz "helper.cpp" # string offset=54
.Linfo_string9:
.asciz "helper.dwo" # string offset=65
.section .debug_str_offsets.dwo,"e",@progbits
.long 0
.long 2
.long 6
.long 8
.long 20
.long 27
.long 30
.long 33
.long 54
.long 65
.section .debug_info.dwo,"e",@progbits
.long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
.Ldebug_info_dwo_start0:
.short 5 # DWARF version number
.byte 5 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
.quad -3815466543033299045
.byte 1 # Abbrev [1] 0x14:0x48 DW_TAG_compile_unit
.byte 7 # DW_AT_producer
.short 33 # DW_AT_language
.byte 8 # DW_AT_name
.byte 9 # DW_AT_dwo_name
.byte 2 # Abbrev [2] 0x1a:0xb DW_TAG_variable
.byte 0 # DW_AT_name
.long 37 # DW_AT_type
# DW_AT_external
.byte 0 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.byte 2 # DW_AT_location
.byte 161
.byte 0
.byte 3 # Abbrev [3] 0x25:0x4 DW_TAG_base_type
.byte 1 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 2 # Abbrev [2] 0x29:0xb DW_TAG_variable
.byte 2 # DW_AT_name
.long 37 # DW_AT_type
# DW_AT_external
.byte 0 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.byte 2 # DW_AT_location
.byte 161
.byte 1
.byte 4 # Abbrev [4] 0x34:0x27 DW_TAG_subprogram
.byte 2 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 86
.byte 3 # DW_AT_linkage_name
.byte 4 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.long 37 # DW_AT_type
# DW_AT_external
.byte 5 # Abbrev [5] 0x44:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 124
.byte 5 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.long 37 # DW_AT_type
.byte 5 # Abbrev [5] 0x4f:0xb DW_TAG_formal_parameter
.byte 2 # DW_AT_location
.byte 145
.byte 120
.byte 6 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.long 37 # DW_AT_type
.byte 0 # End Of Children Mark
.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
.byte 37 # DW_FORM_strx1
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 118 # DW_AT_dwo_name
.byte 37 # DW_FORM_strx1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.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 4 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 110 # DW_AT_linkage_name
.byte 37 # DW_FORM_strx1
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.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 5 # 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
.byte 37 # DW_FORM_strx1
.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 0 # EOM(3)
.section .debug_addr,"",@progbits
.long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
.short 5 # DWARF version number
.byte 8 # Address size
.byte 0 # Segment selector size
.Laddr_table_base0:
.quad z
.quad d
.quad .Lfunc_begin0
.Ldebug_addr_end0:
.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 40 # Compilation Unit Length
.long 52 # DIE offset
.byte 48 # Attributes: FUNCTION, EXTERNAL
.asciz "helper" # External Name
.long 41 # DIE offset
.byte 32 # Attributes: VARIABLE, EXTERNAL
.asciz "d" # External Name
.long 26 # DIE offset
.byte 32 # Attributes: VARIABLE, EXTERNAL
.asciz "z" # 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 40 # Compilation Unit Length
.long 37 # DIE offset
.byte 144 # Attributes: TYPE, STATIC
.asciz "int" # External Name
.long 0 # End Mark
.LpubTypes_end0:
.ident "clang version 15.0.0"
.section ".note.GNU-stack","",@progbits
.section .debug_line,"",@progbits
.Lline_table_start0:
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