# clang++ -g -gdwarf-4 -emit-llvm -S helper.cpp
# llc -O2 -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 1 "." "helper.cpp"
.globl _Z6helperii # -- Begin function _Z6helperii
.p2align 4, 0x90
.type _Z6helperii,@function
_Z6helperii: # @_Z6helperii
.Lfunc_begin0:
.loc 1 4 0 # helper.cpp:4:0
.cfi_startproc
# %bb.0: # %entry
#DEBUG_VALUE: helper:z_ <- $edi
#DEBUG_VALUE: helper:d_ <- $esi
movl %esi, %eax
.Ltmp0:
.loc 1 5 4 prologue_end # helper.cpp:5:4
addl z(%rip), %edi
.Ltmp1:
#DEBUG_VALUE: helper:z_ <- [DW_OP_LLVM_entry_value 1] $edi
.loc 1 6 4 # helper.cpp:6:4
addl d(%rip), %eax
.loc 1 5 4 # helper.cpp:5:4
movl %edi, z(%rip)
.loc 1 6 4 # helper.cpp:6:4
movl %eax, d(%rip)
.loc 1 7 11 # helper.cpp:7:11
imull %edi, %eax
.loc 1 7 2 is_stmt 0 # helper.cpp:7:2
retq
.Ltmp2:
.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_loc.dwo,"e",@progbits
.Ldebug_loc0:
.byte 3
.byte 2
.long .Ltmp1-.Lfunc_begin0
.short 1 # Loc expr size
.byte 85 # super-register DW_OP_reg5
.byte 3
.byte 3
.long .Lfunc_end0-.Ltmp1
.short 4 # Loc expr size
.byte 243 # DW_OP_GNU_entry_value
.byte 1 # 1
.byte 85 # super-register DW_OP_reg5
.byte 159 # DW_OP_stack_value
.byte 0
.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 "\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 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.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
.long .Lskel_string1 # DW_AT_GNU_dwo_name
.quad -5732284259998169791 # DW_AT_GNU_dwo_id
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.long .Laddr_table_base0 # DW_AT_GNU_addr_base
.Ldebug_info_end0:
.section .debug_str,"MS",@progbits,1
.Lskel_string0:
.asciz "." # string offset=0
.Lskel_string1:
.asciz "helper.dwo" # string offset=2
.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 4 # DWARF version number
.long 0 # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x50 DW_TAG_compile_unit
.byte 7 # DW_AT_producer
.short 33 # DW_AT_language
.byte 8 # DW_AT_name
.byte 9 # DW_AT_GNU_dwo_name
.quad -5732284259998169791 # DW_AT_GNU_dwo_id
.byte 2 # Abbrev [2] 0x19:0xb DW_TAG_variable
.byte 0 # DW_AT_name
.long 36 # DW_AT_type
# DW_AT_external
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.byte 2 # DW_AT_location
.byte 251
.byte 0
.byte 3 # Abbrev [3] 0x24:0x4 DW_TAG_base_type
.byte 1 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 2 # Abbrev [2] 0x28:0xb DW_TAG_variable
.byte 2 # DW_AT_name
.long 36 # DW_AT_type
# DW_AT_external
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.byte 2 # DW_AT_location
.byte 251
.byte 1
.byte 4 # Abbrev [4] 0x33:0x27 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 87
# DW_AT_GNU_all_call_sites
.byte 3 # DW_AT_linkage_name
.byte 4 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.long 36 # DW_AT_type
# DW_AT_external
.byte 5 # Abbrev [5] 0x43:0xc DW_TAG_formal_parameter
.long .Ldebug_loc0-.debug_loc.dwo # DW_AT_location
.byte 5 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.long 36 # DW_AT_type
.byte 6 # Abbrev [6] 0x4f:0xa DW_TAG_formal_parameter
.byte 1 # DW_AT_location
.byte 84
.byte 6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 4 # DW_AT_decl_line
.long 36 # 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
.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 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.ascii "\202>" # DW_FORM_GNU_str_index
.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
.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 4 # 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
.ascii "\227B" # DW_AT_GNU_all_call_sites
.byte 25 # DW_FORM_flag_present
.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 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 23 # DW_FORM_sec_offset
.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 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 0 # EOM(3)
.section .debug_addr,"",@progbits
.Laddr_table_base0:
.quad z
.quad d
.quad .Lfunc_begin0
.quad .Ltmp1
.ident "clang version 15.0.0"
.section ".note.GNU-stack","",@progbits
.section .debug_line,"",@progbits
.Lline_table_start0:
Codebase Browser
llvm