# REQUIRES: system-linux
# RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o
# RUN: %clang %cflags -dwarf-4 %tmain.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections
# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s
# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt > %t.txt
# RUN: llvm-objdump -d %t.bolt >> %t.txt
# RUN: cat %t.txt | FileCheck --check-prefix=POSTCHECK %s
## This test checks that we correctly handle DW_AT_low_pc [DW_FORM_addr] that is part of DW_TAG_label.
# PRECHECK: version = 0x0004
# PRECHECK: DW_TAG_label
# PRECHECK-NEXT: DW_AT_name
# PRECHECK-NEXT: DW_AT_decl_file
# PRECHECK-NEXT: DW_AT_decl_line
# PRECHECK-NEXT:DW_AT_low_pc [DW_FORM_addr]
# PRECHECK: DW_TAG_label
# PRECHECK-NEXT: DW_AT_name
# PRECHECK-NEXT: DW_AT_decl_file
# PRECHECK-NEXT: DW_AT_decl_line
# PRECHECK-NEXT:DW_AT_low_pc [DW_FORM_addr]
# POSTCHECK: version = 0x0004
# POSTCHECK: DW_TAG_label
# POSTCHECK-NEXT: DW_AT_name
# POSTCHECK-NEXT: DW_AT_decl_file
# POSTCHECK-NEXT: DW_AT_decl_line
# POSTCHECK-NEXT:DW_AT_low_pc [DW_FORM_addr] (0x[[ADDR:[1-9a-f]*]]
# POSTCHECK: DW_TAG_label
# POSTCHECK-NEXT: DW_AT_name
# POSTCHECK-NEXT: DW_AT_decl_file
# POSTCHECK-NEXT: DW_AT_decl_line
# POSTCHECK-NEXT:DW_AT_low_pc [DW_FORM_addr] (0x[[ADDR2:[1-9a-f]*]]
# POSTCHECK: [[ADDR]]: 8b 45 f8
# POSTCHECK: [[ADDR2]]: 8b 45 f8
## clang++ main.cpp -g2 -gdwarf-4 -S
## int main() {
## int a = 4;
## if (a == 5)
## goto LABEL1;
## else
## goto LABEL2;
## LABEL1:a++;
## LABEL2:a--;
## return 0;
## }
.text
.file "main.cpp"
.globl main # -- Begin function main
.p2align 4, 0x90
.type main,@function
main: # @main
.Lfunc_begin0:
.file 1 "/home" "main.cpp"
.loc 1 1 0 # main.cpp:1:0
.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 $0, -4(%rbp)
.Ltmp0:
.loc 1 2 7 prologue_end # main.cpp:2:7
movl $4, -8(%rbp)
.Ltmp1:
.loc 1 3 9 # main.cpp:3:9
cmpl $5, -8(%rbp)
.Ltmp2:
.loc 1 3 7 is_stmt 0 # main.cpp:3:7
jne .LBB0_2
# %bb.1: # %if.then
.Ltmp3:
.loc 1 4 5 is_stmt 1 # main.cpp:4:5
jmp .LBB0_3
.LBB0_2: # %if.else
.loc 1 6 5 # main.cpp:6:5
jmp .LBB0_4
.Ltmp4:
.LBB0_3: # %LABEL1
#DEBUG_LABEL: main:LABEL1
.loc 1 7 11 # main.cpp:7:11
movl -8(%rbp), %eax
addl $1, %eax
movl %eax, -8(%rbp)
.LBB0_4: # %LABEL2
.Ltmp5:
#DEBUG_LABEL: main:LABEL2
.loc 1 8 11 # main.cpp:8:11
movl -8(%rbp), %eax
addl $-1, %eax
movl %eax, -8(%rbp)
.loc 1 9 3 # main.cpp:9:3
xorl %eax, %eax
.loc 1 9 3 epilogue_begin is_stmt 0 # main.cpp:9:3
popq %rbp
.cfi_def_cfa %rsp, 8
retq
.Ltmp6:
.Lfunc_end0:
.size main, .Lfunc_end0-main
.cfi_endproc
# -- End function
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 14 # DW_FORM_strp
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 14 # DW_FORM_strp
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.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 3 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.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 4 # Abbreviation Code
.byte 10 # DW_TAG_label
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.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 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:0x6d DW_TAG_compile_unit
.long .Linfo_string0 # DW_AT_producer
.short 33 # DW_AT_language
.long .Linfo_string1 # DW_AT_name
.long .Lline_table_start0 # DW_AT_stmt_list
.long .Linfo_string2 # DW_AT_comp_dir
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 2 # Abbrev [2] 0x2a:0x46 DW_TAG_subprogram
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 86
.long .Linfo_string3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 112 # DW_AT_type
# DW_AT_external
.byte 3 # Abbrev [3] 0x43:0xe DW_TAG_variable
.byte 2 # DW_AT_location
.byte 145
.byte 120
.long .Linfo_string5 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 112 # DW_AT_type
.byte 4 # Abbrev [4] 0x51:0xf DW_TAG_label
.long .Linfo_string6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 7 # DW_AT_decl_line
.quad .Ltmp4 # DW_AT_low_pc
.byte 4 # Abbrev [4] 0x60:0xf DW_TAG_label
.long .Linfo_string7 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 8 # DW_AT_decl_line
.quad .Ltmp5 # DW_AT_low_pc
.byte 0 # End Of Children Mark
.byte 5 # Abbrev [5] 0x70:0x7 DW_TAG_base_type
.long .Linfo_string4 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 19.0.0git" # string offset=0
.Linfo_string1:
.asciz "main.cpp" # string offset=24
.Linfo_string2:
.asciz "/home" # string offset=33
.Linfo_string3:
.asciz "main" # string offset=71
.Linfo_string4:
.asciz "int" # string offset=76
.Linfo_string5:
.asciz "a" # string offset=80
.Linfo_string6:
.asciz "LABEL1" # string offset=82
.Linfo_string7:
.asciz "LABEL2" # string offset=89
.ident "clang version 19.0.0git"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
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