1# clang++ -g -gdwarf-5 -emit-llvm -S helper.cpp 2# llc -O0 -mtriple=x86_64-unknown-linux-gnu helper.ll 3# int z = 0; 4# int d = 0; 5# 6# int helper(int z_, int d_) { 7# z += z_; 8# d += d_; 9# return z * d; 10# } 11 12 .text 13 .file "helper.cpp" 14 .file 0 "." "helper.cpp" md5 0xe635924a35b65444173d0c76a54b866f 15 .globl _Z6helperii # -- Begin function _Z6helperii 16 .p2align 4, 0x90 17 .type _Z6helperii,@function 18_Z6helperii: # @_Z6helperii 19.Lfunc_begin0: 20 .loc 0 4 0 # helper.cpp:4:0 21 .cfi_startproc 22# %bb.0: # %entry 23 pushq %rbp 24 .cfi_def_cfa_offset 16 25 .cfi_offset %rbp, -16 26 movq %rsp, %rbp 27 .cfi_def_cfa_register %rbp 28 movl %edi, -4(%rbp) 29 movl %esi, -8(%rbp) 30.Ltmp0: 31 .loc 0 5 7 prologue_end # helper.cpp:5:7 32 movl -4(%rbp), %eax 33 .loc 0 5 4 is_stmt 0 # helper.cpp:5:4 34 addl z, %eax 35 movl %eax, z 36 .loc 0 6 7 is_stmt 1 # helper.cpp:6:7 37 movl -8(%rbp), %eax 38 .loc 0 6 4 is_stmt 0 # helper.cpp:6:4 39 addl d, %eax 40 movl %eax, d 41 .loc 0 7 9 is_stmt 1 # helper.cpp:7:9 42 movl z, %eax 43 .loc 0 7 11 is_stmt 0 # helper.cpp:7:11 44 imull d, %eax 45 .loc 0 7 2 # helper.cpp:7:2 46 popq %rbp 47 .cfi_def_cfa %rsp, 8 48 retq 49.Ltmp1: 50.Lfunc_end0: 51 .size _Z6helperii, .Lfunc_end0-_Z6helperii 52 .cfi_endproc 53 # -- End function 54 .type z,@object # @z 55 .bss 56 .globl z 57 .p2align 2 58z: 59 .long 0 # 0x0 60 .size z, 4 61 62 .type d,@object # @d 63 .globl d 64 .p2align 2 65d: 66 .long 0 # 0x0 67 .size d, 4 68 69 .section .debug_abbrev,"",@progbits 70 .byte 1 # Abbreviation Code 71 .byte 74 # DW_TAG_skeleton_unit 72 .byte 0 # DW_CHILDREN_no 73 .byte 16 # DW_AT_stmt_list 74 .byte 23 # DW_FORM_sec_offset 75 .byte 114 # DW_AT_str_offsets_base 76 .byte 23 # DW_FORM_sec_offset 77 .byte 27 # DW_AT_comp_dir 78 .byte 37 # DW_FORM_strx1 79 .ascii "\264B" # DW_AT_GNU_pubnames 80 .byte 25 # DW_FORM_flag_present 81 .byte 118 # DW_AT_dwo_name 82 .byte 37 # DW_FORM_strx1 83 .byte 17 # DW_AT_low_pc 84 .byte 27 # DW_FORM_addrx 85 .byte 18 # DW_AT_high_pc 86 .byte 6 # DW_FORM_data4 87 .byte 115 # DW_AT_addr_base 88 .byte 23 # DW_FORM_sec_offset 89 .byte 0 # EOM(1) 90 .byte 0 # EOM(2) 91 .byte 0 # EOM(3) 92 .section .debug_info,"",@progbits 93.Lcu_begin0: 94 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 95.Ldebug_info_start0: 96 .short 5 # DWARF version number 97 .byte 4 # DWARF Unit Type 98 .byte 8 # Address Size (in bytes) 99 .long .debug_abbrev # Offset Into Abbrev. Section 100 .quad -3815466543033299045 101 .byte 1 # Abbrev [1] 0x14:0x14 DW_TAG_skeleton_unit 102 .long .Lline_table_start0 # DW_AT_stmt_list 103 .long .Lstr_offsets_base0 # DW_AT_str_offsets_base 104 .byte 0 # DW_AT_comp_dir 105 # DW_AT_GNU_pubnames 106 .byte 1 # DW_AT_dwo_name 107 .byte 2 # DW_AT_low_pc 108 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 109 .long .Laddr_table_base0 # DW_AT_addr_base 110.Ldebug_info_end0: 111 .section .debug_str_offsets,"",@progbits 112 .long 12 # Length of String Offsets Set 113 .short 5 114 .short 0 115.Lstr_offsets_base0: 116 .section .debug_str,"MS",@progbits,1 117.Lskel_string0: 118 .asciz "." # string offset=0 119.Lskel_string1: 120 .asciz "helper.dwo" # string offset=2 121 .section .debug_str_offsets,"",@progbits 122 .long .Lskel_string0 123 .long .Lskel_string1 124 .section .debug_str_offsets.dwo,"e",@progbits 125 .long 44 # Length of String Offsets Set 126 .short 5 127 .short 0 128 .section .debug_str.dwo,"eMS",@progbits,1 129.Linfo_string0: 130 .asciz "z" # string offset=0 131.Linfo_string1: 132 .asciz "int" # string offset=2 133.Linfo_string2: 134 .asciz "d" # string offset=6 135.Linfo_string3: 136 .asciz "_Z6helperii" # string offset=8 137.Linfo_string4: 138 .asciz "helper" # string offset=20 139.Linfo_string5: 140 .asciz "z_" # string offset=27 141.Linfo_string6: 142 .asciz "d_" # string offset=30 143.Linfo_string7: 144 .asciz "clang version 15.0.0" # string offset=33 145.Linfo_string8: 146 .asciz "helper.cpp" # string offset=54 147.Linfo_string9: 148 .asciz "helper.dwo" # string offset=65 149 .section .debug_str_offsets.dwo,"e",@progbits 150 .long 0 151 .long 2 152 .long 6 153 .long 8 154 .long 20 155 .long 27 156 .long 30 157 .long 33 158 .long 54 159 .long 65 160 .section .debug_info.dwo,"e",@progbits 161 .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit 162.Ldebug_info_dwo_start0: 163 .short 5 # DWARF version number 164 .byte 5 # DWARF Unit Type 165 .byte 8 # Address Size (in bytes) 166 .long 0 # Offset Into Abbrev. Section 167 .quad -3815466543033299045 168 .byte 1 # Abbrev [1] 0x14:0x48 DW_TAG_compile_unit 169 .byte 7 # DW_AT_producer 170 .short 33 # DW_AT_language 171 .byte 8 # DW_AT_name 172 .byte 9 # DW_AT_dwo_name 173 .byte 2 # Abbrev [2] 0x1a:0xb DW_TAG_variable 174 .byte 0 # DW_AT_name 175 .long 37 # DW_AT_type 176 # DW_AT_external 177 .byte 0 # DW_AT_decl_file 178 .byte 1 # DW_AT_decl_line 179 .byte 2 # DW_AT_location 180 .byte 161 181 .byte 0 182 .byte 3 # Abbrev [3] 0x25:0x4 DW_TAG_base_type 183 .byte 1 # DW_AT_name 184 .byte 5 # DW_AT_encoding 185 .byte 4 # DW_AT_byte_size 186 .byte 2 # Abbrev [2] 0x29:0xb DW_TAG_variable 187 .byte 2 # DW_AT_name 188 .long 37 # DW_AT_type 189 # DW_AT_external 190 .byte 0 # DW_AT_decl_file 191 .byte 2 # DW_AT_decl_line 192 .byte 2 # DW_AT_location 193 .byte 161 194 .byte 1 195 .byte 4 # Abbrev [4] 0x34:0x27 DW_TAG_subprogram 196 .byte 2 # DW_AT_low_pc 197 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc 198 .byte 1 # DW_AT_frame_base 199 .byte 86 200 .byte 3 # DW_AT_linkage_name 201 .byte 4 # DW_AT_name 202 .byte 0 # DW_AT_decl_file 203 .byte 4 # DW_AT_decl_line 204 .long 37 # DW_AT_type 205 # DW_AT_external 206 .byte 5 # Abbrev [5] 0x44:0xb DW_TAG_formal_parameter 207 .byte 2 # DW_AT_location 208 .byte 145 209 .byte 124 210 .byte 5 # DW_AT_name 211 .byte 0 # DW_AT_decl_file 212 .byte 4 # DW_AT_decl_line 213 .long 37 # DW_AT_type 214 .byte 5 # Abbrev [5] 0x4f:0xb DW_TAG_formal_parameter 215 .byte 2 # DW_AT_location 216 .byte 145 217 .byte 120 218 .byte 6 # DW_AT_name 219 .byte 0 # DW_AT_decl_file 220 .byte 4 # DW_AT_decl_line 221 .long 37 # DW_AT_type 222 .byte 0 # End Of Children Mark 223 .byte 0 # End Of Children Mark 224.Ldebug_info_dwo_end0: 225 .section .debug_abbrev.dwo,"e",@progbits 226 .byte 1 # Abbreviation Code 227 .byte 17 # DW_TAG_compile_unit 228 .byte 1 # DW_CHILDREN_yes 229 .byte 37 # DW_AT_producer 230 .byte 37 # DW_FORM_strx1 231 .byte 19 # DW_AT_language 232 .byte 5 # DW_FORM_data2 233 .byte 3 # DW_AT_name 234 .byte 37 # DW_FORM_strx1 235 .byte 118 # DW_AT_dwo_name 236 .byte 37 # DW_FORM_strx1 237 .byte 0 # EOM(1) 238 .byte 0 # EOM(2) 239 .byte 2 # Abbreviation Code 240 .byte 52 # DW_TAG_variable 241 .byte 0 # DW_CHILDREN_no 242 .byte 3 # DW_AT_name 243 .byte 37 # DW_FORM_strx1 244 .byte 73 # DW_AT_type 245 .byte 19 # DW_FORM_ref4 246 .byte 63 # DW_AT_external 247 .byte 25 # DW_FORM_flag_present 248 .byte 58 # DW_AT_decl_file 249 .byte 11 # DW_FORM_data1 250 .byte 59 # DW_AT_decl_line 251 .byte 11 # DW_FORM_data1 252 .byte 2 # DW_AT_location 253 .byte 24 # DW_FORM_exprloc 254 .byte 0 # EOM(1) 255 .byte 0 # EOM(2) 256 .byte 3 # Abbreviation Code 257 .byte 36 # DW_TAG_base_type 258 .byte 0 # DW_CHILDREN_no 259 .byte 3 # DW_AT_name 260 .byte 37 # DW_FORM_strx1 261 .byte 62 # DW_AT_encoding 262 .byte 11 # DW_FORM_data1 263 .byte 11 # DW_AT_byte_size 264 .byte 11 # DW_FORM_data1 265 .byte 0 # EOM(1) 266 .byte 0 # EOM(2) 267 .byte 4 # Abbreviation Code 268 .byte 46 # DW_TAG_subprogram 269 .byte 1 # DW_CHILDREN_yes 270 .byte 17 # DW_AT_low_pc 271 .byte 27 # DW_FORM_addrx 272 .byte 18 # DW_AT_high_pc 273 .byte 6 # DW_FORM_data4 274 .byte 64 # DW_AT_frame_base 275 .byte 24 # DW_FORM_exprloc 276 .byte 110 # DW_AT_linkage_name 277 .byte 37 # DW_FORM_strx1 278 .byte 3 # DW_AT_name 279 .byte 37 # DW_FORM_strx1 280 .byte 58 # DW_AT_decl_file 281 .byte 11 # DW_FORM_data1 282 .byte 59 # DW_AT_decl_line 283 .byte 11 # DW_FORM_data1 284 .byte 73 # DW_AT_type 285 .byte 19 # DW_FORM_ref4 286 .byte 63 # DW_AT_external 287 .byte 25 # DW_FORM_flag_present 288 .byte 0 # EOM(1) 289 .byte 0 # EOM(2) 290 .byte 5 # Abbreviation Code 291 .byte 5 # DW_TAG_formal_parameter 292 .byte 0 # DW_CHILDREN_no 293 .byte 2 # DW_AT_location 294 .byte 24 # DW_FORM_exprloc 295 .byte 3 # DW_AT_name 296 .byte 37 # DW_FORM_strx1 297 .byte 58 # DW_AT_decl_file 298 .byte 11 # DW_FORM_data1 299 .byte 59 # DW_AT_decl_line 300 .byte 11 # DW_FORM_data1 301 .byte 73 # DW_AT_type 302 .byte 19 # DW_FORM_ref4 303 .byte 0 # EOM(1) 304 .byte 0 # EOM(2) 305 .byte 0 # EOM(3) 306 .section .debug_addr,"",@progbits 307 .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution 308.Ldebug_addr_start0: 309 .short 5 # DWARF version number 310 .byte 8 # Address size 311 .byte 0 # Segment selector size 312.Laddr_table_base0: 313 .quad z 314 .quad d 315 .quad .Lfunc_begin0 316.Ldebug_addr_end0: 317 .section .debug_gnu_pubnames,"",@progbits 318 .long .LpubNames_end0-.LpubNames_start0 # Length of Public Names Info 319.LpubNames_start0: 320 .short 2 # DWARF Version 321 .long .Lcu_begin0 # Offset of Compilation Unit Info 322 .long 40 # Compilation Unit Length 323 .long 52 # DIE offset 324 .byte 48 # Attributes: FUNCTION, EXTERNAL 325 .asciz "helper" # External Name 326 .long 41 # DIE offset 327 .byte 32 # Attributes: VARIABLE, EXTERNAL 328 .asciz "d" # External Name 329 .long 26 # DIE offset 330 .byte 32 # Attributes: VARIABLE, EXTERNAL 331 .asciz "z" # External Name 332 .long 0 # End Mark 333.LpubNames_end0: 334 .section .debug_gnu_pubtypes,"",@progbits 335 .long .LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info 336.LpubTypes_start0: 337 .short 2 # DWARF Version 338 .long .Lcu_begin0 # Offset of Compilation Unit Info 339 .long 40 # Compilation Unit Length 340 .long 37 # DIE offset 341 .byte 144 # Attributes: TYPE, STATIC 342 .asciz "int" # External Name 343 .long 0 # End Mark 344.LpubTypes_end0: 345 .ident "clang version 15.0.0" 346 .section ".note.GNU-stack","",@progbits 347 .section .debug_line,"",@progbits 348.Lline_table_start0: 349