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1# REQUIRES: system-linux2 3# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o4# RUN: %clang %cflags %t1.o -o %t.exe -Wl,-q5# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections6# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s7# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt | FileCheck --check-prefix=POSTCHECK %s8 9# PRECHECK: DW_AT_high_pc [DW_FORM_udata] (15)10# PRECHECK-NEXT: DW_AT_name [DW_FORM_strp]11# PRECHECK-SAME: "main.cpp"12 13# POSTCHECK: DW_AT_ranges [DW_FORM_sec_offset]14# POSTCHECK-NEXT: [15# POSTCHECK-NEXT: DW_AT_name [DW_FORM_strp]16# POSTCHECK-SAME: "main.cpp"17 18## Testing that BOLT transforms DW_AT_high_pc of form DW_FORM_udata correctly into DW_AT_ranges.19## Manually changed so that DW_AT_high_pc is DW_FORM_udata, and that DW_AT_name is after it.20# int main() {21# return 0;22# }23.text24 .file "main.cpp"25 .globl main # -- Begin function main26 .p2align 4, 0x9027 .type main,@function28main: # @main29.Lfunc_begin0:30 .file 1 "" "main.cpp"31 .loc 1 1 0 # main.cpp:1:032 .cfi_startproc33# %bb.0: # %entry34 pushq %rbp35 .cfi_def_cfa_offset 1636 .cfi_offset %rbp, -1637 movq %rsp, %rbp38 .cfi_def_cfa_register %rbp39 movl $0, -4(%rbp)40.Ltmp0:41 .loc 1 2 1 prologue_end # main.cpp:2:142 xorl %eax, %eax43 popq %rbp44 .cfi_def_cfa %rsp, 845 retq46.Ltmp1:47.Lfunc_end0:48 .size main, .Lfunc_end0-main49 .cfi_endproc50 # -- End function51 .section .debug_abbrev,"",@progbits52 .byte 1 # Abbreviation Code53 .byte 17 # DW_TAG_compile_unit54 .byte 1 # DW_CHILDREN_yes55 .byte 37 # DW_AT_producer56 .byte 14 # DW_FORM_strp57 .byte 19 # DW_AT_language58 .byte 5 # DW_FORM_data259 .byte 16 # DW_AT_stmt_list60 .byte 23 # DW_FORM_sec_offset61 .byte 27 # DW_AT_comp_dir62 .byte 14 # DW_FORM_strp63 .byte 17 # DW_AT_low_pc64 .byte 1 # DW_FORM_addr65 .byte 18 # DW_AT_high_pc66 .byte 15 # DW_FORM_udata67 .byte 3 # DW_AT_name68 .byte 14 # DW_FORM_strp69 .byte 0 # EOM(1)70 .byte 0 # EOM(2)71 .byte 2 # Abbreviation Code72 .byte 46 # DW_TAG_subprogram73 .byte 0 # DW_CHILDREN_no74 .byte 17 # DW_AT_low_pc75 .byte 1 # DW_FORM_addr76 .byte 18 # DW_AT_high_pc77 .byte 6 # DW_FORM_data478 .byte 64 # DW_AT_frame_base79 .byte 24 # DW_FORM_exprloc80 .byte 3 # DW_AT_name81 .byte 14 # DW_FORM_strp82 .byte 58 # DW_AT_decl_file83 .byte 11 # DW_FORM_data184 .byte 59 # DW_AT_decl_line85 .byte 11 # DW_FORM_data186 .byte 73 # DW_AT_type87 .byte 19 # DW_FORM_ref488 .byte 63 # DW_AT_external89 .byte 25 # DW_FORM_flag_present90 .byte 0 # EOM(1)91 .byte 0 # EOM(2)92 .byte 3 # Abbreviation Code93 .byte 36 # DW_TAG_base_type94 .byte 0 # DW_CHILDREN_no95 .byte 3 # DW_AT_name96 .byte 14 # DW_FORM_strp97 .byte 62 # DW_AT_encoding98 .byte 11 # DW_FORM_data199 .byte 11 # DW_AT_byte_size100 .byte 11 # DW_FORM_data1101 .byte 0 # EOM(1)102 .byte 0 # EOM(2)103 .byte 0 # EOM(3)104 .section .debug_info,"",@progbits105.Lcu_begin0:106 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit107.Ldebug_info_start0:108 .short 4 # DWARF version number109 .long .debug_abbrev # Offset Into Abbrev. Section110 .byte 8 # Address Size (in bytes)111 .byte 1 # Abbrev [1] 0xb:0x40 DW_TAG_compile_unit112 .long .Linfo_string0 # DW_AT_producer113 .short 33 # DW_AT_language114 .long .Lline_table_start0 # DW_AT_stmt_list115 .long .Linfo_string2 # DW_AT_comp_dir116 .quad .Lfunc_begin0 # DW_AT_low_pc117 .byte .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc118 .long .Linfo_string1 # DW_AT_name119 .byte 2 # Abbrev [2] 0x2a:0x19 DW_TAG_subprogram120 .quad .Lfunc_begin0 # DW_AT_low_pc121 .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc122 .byte 1 # DW_AT_frame_base123 .byte 86124 .long .Linfo_string3 # DW_AT_name125 .byte 1 # DW_AT_decl_file126 .byte 1 # DW_AT_decl_line127 .long 64 # DW_AT_type128 # DW_AT_external129 .byte 3 # Abbrev [3] 0x43:0x7 DW_TAG_base_type130 .long .Linfo_string4 # DW_AT_name131 .byte 5 # DW_AT_encoding132 .byte 4 # DW_AT_byte_size133 .byte 0 # End Of Children Mark134.Ldebug_info_end0:135 .section .debug_str,"MS",@progbits,1136.Linfo_string0:137 .asciz "clang" # string offset=0138.Linfo_string1:139 .asciz "main.cpp" # string offset=134140.Linfo_string2:141 .asciz "test" # string offset=143142.Linfo_string3:143 .asciz "main" # string offset=186144.Linfo_string4:145 .asciz "int" # string offset=191146 .ident "clang"147 .section ".note.GNU-stack","",@progbits148 .addrsig149 .section .debug_line,"",@progbits150.Lline_table_start0:151