422 lines · plain
1# -g2 -gdwarf-4 main.cpp -O12# static int helper(int i) {3# return ++i;4# }5# void may_not_exist(void) __attribute__ ((weak));6# int main(int argc, char *argv[]) {7# if (may_not_exist)8# may_not_exist();9# int j = 0;10# [[clang::always_inline]] j = helper(argc);11# return j;12# }13 14 .text15 .file "main.cpp"16 .globl main # -- Begin function main17 .p2align 4, 0x9018 .type main,@function19main: # @main20.Lfunc_begin0:21 .file 1 "." "main.cpp"22 .loc 1 5 0 # main.cpp:5:023 .cfi_startproc24# %bb.0: # %entry25 #DEBUG_VALUE: main:argc <- $edi26 #DEBUG_VALUE: main:argv <- $rsi27 pushq %rbx28 .cfi_def_cfa_offset 1629 .cfi_offset %rbx, -1630 movl %edi, %ebx31.Ltmp0:32 .loc 1 6 7 prologue_end # main.cpp:6:733 cmpq $0, _Z13may_not_existv@GOTPCREL(%rip)34 je .LBB0_235.Ltmp1:36# %bb.1: # %if.then37 #DEBUG_VALUE: main:argc <- $ebx38 #DEBUG_VALUE: main:argv <- $rsi39 .loc 1 7 5 # main.cpp:7:540 callq _Z13may_not_existv@PLT41.Ltmp2:42 #DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi43.LBB0_2: # %if.end44 #DEBUG_VALUE: main:argc <- $ebx45 #DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi46 #DEBUG_VALUE: main:j <- 047 #DEBUG_VALUE: helper:i <- $ebx48 .loc 1 2 10 # main.cpp:2:1049 incl %ebx50.Ltmp3:51 #DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $edi52 #DEBUG_VALUE: helper:i <- $ebx53 #DEBUG_VALUE: main:j <- $ebx54 .loc 1 10 3 # main.cpp:10:355 movl %ebx, %eax56 .loc 1 10 3 epilogue_begin is_stmt 0 # main.cpp:10:357 popq %rbx58.Ltmp4:59 #DEBUG_VALUE: helper:i <- $eax60 #DEBUG_VALUE: main:j <- $eax61 .cfi_def_cfa_offset 862 retq63.Ltmp5:64.Lfunc_end0:65 .size main, .Lfunc_end0-main66 .cfi_endproc67 # -- End function68 .section .debug_loc,"",@progbits69.Ldebug_loc0:70 .quad .Lfunc_begin0-.Lfunc_begin071 .quad .Ltmp1-.Lfunc_begin072 .short 1 # Loc expr size73 .byte 85 # super-register DW_OP_reg574 .quad .Ltmp1-.Lfunc_begin075 .quad .Ltmp3-.Lfunc_begin076 .short 1 # Loc expr size77 .byte 83 # super-register DW_OP_reg378 .quad .Ltmp3-.Lfunc_begin079 .quad .Lfunc_end0-.Lfunc_begin080 .short 4 # Loc expr size81 .byte 243 # DW_OP_GNU_entry_value82 .byte 1 # 183 .byte 85 # super-register DW_OP_reg584 .byte 159 # DW_OP_stack_value85 .quad 086 .quad 087.Ldebug_loc1:88 .quad .Lfunc_begin0-.Lfunc_begin089 .quad .Ltmp2-.Lfunc_begin090 .short 1 # Loc expr size91 .byte 84 # DW_OP_reg492 .quad .Ltmp2-.Lfunc_begin093 .quad .Lfunc_end0-.Lfunc_begin094 .short 4 # Loc expr size95 .byte 243 # DW_OP_GNU_entry_value96 .byte 1 # 197 .byte 84 # DW_OP_reg498 .byte 159 # DW_OP_stack_value99 .quad 0100 .quad 0101.Ldebug_loc2:102 .quad .Ltmp2-.Lfunc_begin0103 .quad .Ltmp3-.Lfunc_begin0104 .short 3 # Loc expr size105 .byte 17 # DW_OP_consts106 .byte 0 # 0107 .byte 159 # DW_OP_stack_value108 .quad .Ltmp3-.Lfunc_begin0109 .quad .Ltmp4-.Lfunc_begin0110 .short 1 # Loc expr size111 .byte 83 # super-register DW_OP_reg3112 .quad .Ltmp4-.Lfunc_begin0113 .quad .Lfunc_end0-.Lfunc_begin0114 .short 1 # Loc expr size115 .byte 80 # super-register DW_OP_reg0116 .quad 0117 .quad 0118 .section .debug_abbrev,"",@progbits119 .byte 1 # Abbreviation Code120 .byte 17 # DW_TAG_compile_unit121 .byte 1 # DW_CHILDREN_yes122 .byte 37 # DW_AT_producer123 .byte 14 # DW_FORM_strp124 .byte 19 # DW_AT_language125 .byte 5 # DW_FORM_data2126 .byte 3 # DW_AT_name127 .byte 14 # DW_FORM_strp128 .byte 16 # DW_AT_stmt_list129 .byte 23 # DW_FORM_sec_offset130 .byte 27 # DW_AT_comp_dir131 .byte 14 # DW_FORM_strp132 .byte 17 # DW_AT_low_pc133 .byte 1 # DW_FORM_addr134 .byte 18 # DW_AT_high_pc135 .byte 6 # DW_FORM_data4136 .byte 0 # EOM(1)137 .byte 0 # EOM(2)138 .byte 2 # Abbreviation Code139 .byte 46 # DW_TAG_subprogram140 .byte 1 # DW_CHILDREN_yes141 .byte 110 # DW_AT_linkage_name142 .byte 14 # DW_FORM_strp143 .byte 3 # DW_AT_name144 .byte 14 # DW_FORM_strp145 .byte 58 # DW_AT_decl_file146 .byte 11 # DW_FORM_data1147 .byte 59 # DW_AT_decl_line148 .byte 11 # DW_FORM_data1149 .byte 73 # DW_AT_type150 .byte 19 # DW_FORM_ref4151 .byte 32 # DW_AT_inline152 .byte 11 # DW_FORM_data1153 .byte 0 # EOM(1)154 .byte 0 # EOM(2)155 .byte 3 # Abbreviation Code156 .byte 5 # DW_TAG_formal_parameter157 .byte 0 # DW_CHILDREN_no158 .byte 3 # DW_AT_name159 .byte 14 # DW_FORM_strp160 .byte 58 # DW_AT_decl_file161 .byte 11 # DW_FORM_data1162 .byte 59 # DW_AT_decl_line163 .byte 11 # DW_FORM_data1164 .byte 73 # DW_AT_type165 .byte 19 # DW_FORM_ref4166 .byte 0 # EOM(1)167 .byte 0 # EOM(2)168 .byte 4 # Abbreviation Code169 .byte 36 # DW_TAG_base_type170 .byte 0 # DW_CHILDREN_no171 .byte 3 # DW_AT_name172 .byte 14 # DW_FORM_strp173 .byte 62 # DW_AT_encoding174 .byte 11 # DW_FORM_data1175 .byte 11 # DW_AT_byte_size176 .byte 11 # DW_FORM_data1177 .byte 0 # EOM(1)178 .byte 0 # EOM(2)179 .byte 5 # Abbreviation Code180 .byte 46 # DW_TAG_subprogram181 .byte 1 # DW_CHILDREN_yes182 .byte 17 # DW_AT_low_pc183 .byte 1 # DW_FORM_addr184 .byte 18 # DW_AT_high_pc185 .byte 6 # DW_FORM_data4186 .byte 64 # DW_AT_frame_base187 .byte 24 # DW_FORM_exprloc188 .ascii "\227B" # DW_AT_GNU_all_call_sites189 .byte 25 # DW_FORM_flag_present190 .byte 3 # DW_AT_name191 .byte 14 # DW_FORM_strp192 .byte 58 # DW_AT_decl_file193 .byte 11 # DW_FORM_data1194 .byte 59 # DW_AT_decl_line195 .byte 11 # DW_FORM_data1196 .byte 73 # DW_AT_type197 .byte 19 # DW_FORM_ref4198 .byte 63 # DW_AT_external199 .byte 25 # DW_FORM_flag_present200 .byte 0 # EOM(1)201 .byte 0 # EOM(2)202 .byte 6 # Abbreviation Code203 .byte 5 # DW_TAG_formal_parameter204 .byte 0 # DW_CHILDREN_no205 .byte 2 # DW_AT_location206 .byte 23 # DW_FORM_sec_offset207 .byte 3 # DW_AT_name208 .byte 14 # DW_FORM_strp209 .byte 58 # DW_AT_decl_file210 .byte 11 # DW_FORM_data1211 .byte 59 # DW_AT_decl_line212 .byte 11 # DW_FORM_data1213 .byte 73 # DW_AT_type214 .byte 19 # DW_FORM_ref4215 .byte 0 # EOM(1)216 .byte 0 # EOM(2)217 .byte 7 # Abbreviation Code218 .byte 52 # DW_TAG_variable219 .byte 0 # DW_CHILDREN_no220 .byte 2 # DW_AT_location221 .byte 23 # DW_FORM_sec_offset222 .byte 3 # DW_AT_name223 .byte 14 # DW_FORM_strp224 .byte 58 # DW_AT_decl_file225 .byte 11 # DW_FORM_data1226 .byte 59 # DW_AT_decl_line227 .byte 11 # DW_FORM_data1228 .byte 73 # DW_AT_type229 .byte 19 # DW_FORM_ref4230 .byte 0 # EOM(1)231 .byte 0 # EOM(2)232 .byte 8 # Abbreviation Code233 .byte 29 # DW_TAG_inlined_subroutine234 .byte 1 # DW_CHILDREN_yes235 .byte 49 # DW_AT_abstract_origin236 .byte 19 # DW_FORM_ref4237 .byte 17 # DW_AT_low_pc238 .byte 1 # DW_FORM_addr239 .byte 18 # DW_AT_high_pc240 .byte 6 # DW_FORM_data4241 .byte 88 # DW_AT_call_file242 .byte 11 # DW_FORM_data1243 .byte 89 # DW_AT_call_line244 .byte 11 # DW_FORM_data1245 .byte 87 # DW_AT_call_column246 .byte 11 # DW_FORM_data1247 .byte 0 # EOM(1)248 .byte 0 # EOM(2)249 .byte 9 # Abbreviation Code250 .byte 5 # DW_TAG_formal_parameter251 .byte 0 # DW_CHILDREN_no252 .byte 2 # DW_AT_location253 .byte 24 # DW_FORM_exprloc254 .byte 49 # DW_AT_abstract_origin255 .byte 19 # DW_FORM_ref4256 .byte 0 # EOM(1)257 .byte 0 # EOM(2)258 .byte 10 # Abbreviation Code259 .ascii "\211\202\001" # DW_TAG_GNU_call_site260 .byte 0 # DW_CHILDREN_no261 .byte 49 # DW_AT_abstract_origin262 .byte 19 # DW_FORM_ref4263 .byte 17 # DW_AT_low_pc264 .byte 1 # DW_FORM_addr265 .byte 0 # EOM(1)266 .byte 0 # EOM(2)267 .byte 11 # Abbreviation Code268 .byte 46 # DW_TAG_subprogram269 .byte 0 # DW_CHILDREN_no270 .byte 110 # DW_AT_linkage_name271 .byte 14 # DW_FORM_strp272 .byte 3 # DW_AT_name273 .byte 14 # DW_FORM_strp274 .byte 58 # DW_AT_decl_file275 .byte 11 # DW_FORM_data1276 .byte 59 # DW_AT_decl_line277 .byte 11 # DW_FORM_data1278 .byte 60 # DW_AT_declaration279 .byte 25 # DW_FORM_flag_present280 .byte 63 # DW_AT_external281 .byte 25 # DW_FORM_flag_present282 .byte 0 # EOM(1)283 .byte 0 # EOM(2)284 .byte 12 # Abbreviation Code285 .byte 15 # DW_TAG_pointer_type286 .byte 0 # DW_CHILDREN_no287 .byte 73 # DW_AT_type288 .byte 19 # DW_FORM_ref4289 .byte 0 # EOM(1)290 .byte 0 # EOM(2)291 .byte 0 # EOM(3)292 .section .debug_info,"",@progbits293.Lcu_begin0:294 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit295.Ldebug_info_start0:296 .short 4 # DWARF version number297 .long .debug_abbrev # Offset Into Abbrev. Section298 .byte 8 # Address Size (in bytes)299 .byte 1 # Abbrev [1] 0xb:0xcf DW_TAG_compile_unit300 .long .Linfo_string0 # DW_AT_producer301 .short 33 # DW_AT_language302 .long .Linfo_string1 # DW_AT_name303 .long .Lline_table_start0 # DW_AT_stmt_list304 .long .Linfo_string2 # DW_AT_comp_dir305 .quad .Lfunc_begin0 # DW_AT_low_pc306 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc307 .byte 2 # Abbrev [2] 0x2a:0x1c DW_TAG_subprogram308 .long .Linfo_string3 # DW_AT_linkage_name309 .long .Linfo_string4 # DW_AT_name310 .byte 1 # DW_AT_decl_file311 .byte 1 # DW_AT_decl_line312 .long 70 # DW_AT_type313 .byte 1 # DW_AT_inline314 .byte 3 # Abbrev [3] 0x3a:0xb DW_TAG_formal_parameter315 .long .Linfo_string6 # DW_AT_name316 .byte 1 # DW_AT_decl_file317 .byte 1 # DW_AT_decl_line318 .long 70 # DW_AT_type319 .byte 0 # End Of Children Mark320 .byte 4 # Abbrev [4] 0x46:0x7 DW_TAG_base_type321 .long .Linfo_string5 # DW_AT_name322 .byte 5 # DW_AT_encoding323 .byte 4 # DW_AT_byte_size324 .byte 5 # Abbrev [5] 0x4d:0x70 DW_TAG_subprogram325 .quad .Lfunc_begin0 # DW_AT_low_pc326 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc327 .byte 1 # DW_AT_frame_base328 .byte 87329 # DW_AT_GNU_all_call_sites330 .long .Linfo_string9 # DW_AT_name331 .byte 1 # DW_AT_decl_file332 .byte 5 # DW_AT_decl_line333 .long 70 # DW_AT_type334 # DW_AT_external335 .byte 6 # Abbrev [6] 0x66:0xf DW_TAG_formal_parameter336 .long .Ldebug_loc0 # DW_AT_location337 .long .Linfo_string10 # DW_AT_name338 .byte 1 # DW_AT_decl_file339 .byte 5 # DW_AT_decl_line340 .long 70 # DW_AT_type341 .byte 6 # Abbrev [6] 0x75:0xf DW_TAG_formal_parameter342 .long .Ldebug_loc1 # DW_AT_location343 .long .Linfo_string11 # DW_AT_name344 .byte 1 # DW_AT_decl_file345 .byte 5 # DW_AT_decl_line346 .long 200 # DW_AT_type347 .byte 7 # Abbrev [7] 0x84:0xf DW_TAG_variable348 .long .Ldebug_loc2 # DW_AT_location349 .long .Linfo_string13 # DW_AT_name350 .byte 1 # DW_AT_decl_file351 .byte 8 # DW_AT_decl_line352 .long 70 # DW_AT_type353 .byte 8 # Abbrev [8] 0x93:0x1c DW_TAG_inlined_subroutine354 .long 42 # DW_AT_abstract_origin355 .quad .Ltmp2 # DW_AT_low_pc356 .long .Ltmp3-.Ltmp2 # DW_AT_high_pc357 .byte 1 # DW_AT_call_file358 .byte 9 # DW_AT_call_line359 .byte 32 # DW_AT_call_column360 .byte 9 # Abbrev [9] 0xa7:0x7 DW_TAG_formal_parameter361 .byte 1 # DW_AT_location362 .byte 83363 .long 58 # DW_AT_abstract_origin364 .byte 0 # End Of Children Mark365 .byte 10 # Abbrev [10] 0xaf:0xd DW_TAG_GNU_call_site366 .long 189 # DW_AT_abstract_origin367 .quad .Ltmp2 # DW_AT_low_pc368 .byte 0 # End Of Children Mark369 .byte 11 # Abbrev [11] 0xbd:0xb DW_TAG_subprogram370 .long .Linfo_string7 # DW_AT_linkage_name371 .long .Linfo_string8 # DW_AT_name372 .byte 1 # DW_AT_decl_file373 .byte 4 # DW_AT_decl_line374 # DW_AT_declaration375 # DW_AT_external376 .byte 12 # Abbrev [12] 0xc8:0x5 DW_TAG_pointer_type377 .long 205 # DW_AT_type378 .byte 12 # Abbrev [12] 0xcd:0x5 DW_TAG_pointer_type379 .long 210 # DW_AT_type380 .byte 4 # Abbrev [4] 0xd2:0x7 DW_TAG_base_type381 .long .Linfo_string12 # DW_AT_name382 .byte 6 # DW_AT_encoding383 .byte 1 # DW_AT_byte_size384 .byte 0 # End Of Children Mark385.Ldebug_info_end0:386 .section .debug_str,"MS",@progbits,1387.Linfo_string0:388 .asciz "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)" # string offset=0389.Linfo_string1:390 .asciz "main.cpp" # string offset=105391.Linfo_string2:392 .asciz "." # string offset=114393.Linfo_string3:394 .asciz "_ZL6helperi" # string offset=152395.Linfo_string4:396 .asciz "helper" # string offset=164397.Linfo_string5:398 .asciz "int" # string offset=171399.Linfo_string6:400 .asciz "i" # string offset=175401.Linfo_string7:402 .asciz "_Z13may_not_existv" # string offset=177403.Linfo_string8:404 .asciz "may_not_exist" # string offset=196405.Linfo_string9:406 .asciz "main" # string offset=210407.Linfo_string10:408 .asciz "argc" # string offset=215409.Linfo_string11:410 .asciz "argv" # string offset=220411.Linfo_string12:412 .asciz "char" # string offset=225413.Linfo_string13:414 .asciz "j" # string offset=230415 .weak _Z13may_not_existv416 .ident "clang version 17.0.0 (https://github.com/llvm/llvm-project.git 640e07c49037cca41a1bfbeb916b569d8c950aea)"417 .section ".note.GNU-stack","",@progbits418 .addrsig419 .addrsig_sym _Z13may_not_existv420 .section .debug_line,"",@progbits421.Lline_table_start0:422