llvm/bolt/test/X86/Inputs/dwarf4-df-call-site-change-low-pc-main.s

# clang++ -O2 -g -gdwarf-4 -gsplit-dwarf
# void use(int * x, int * y) {
#  *x += 4;
#  *y -= 2;
# }
#
# int helper(int z_, int d_);
# int x = 0;
# int y = 1;
# int  main(int argc, char *argv[]) {
#    x = argc;
#    y = argc + 3;
#    //use(&x, &y);
#    return helper(x, y);
# }

	.text
	.file	"main.cpp"
	.file	1 "." "main.cpp"
	.globl	_Z3usePiS_                      # -- Begin function _Z3usePiS_
	.p2align	4, 0x90
	.type	_Z3usePiS_,@function
_Z3usePiS_:                             # @_Z3usePiS_
.Lfunc_begin0:
	.cfi_startproc
# %bb.0:                                # %entry
	#DEBUG_VALUE: use:x <- $rdi
	#DEBUG_VALUE: use:y <- $rsi
	.loc	1 2 5 prologue_end              # main.cpp:2:5
	addl	$4, (%rdi)
	.loc	1 3 5                           # main.cpp:3:5
	addl	$-2, (%rsi)
	.loc	1 4 1                           # main.cpp:4:1
	retq
.Ltmp0:
.Lfunc_end0:
	.size	_Z3usePiS_, .Lfunc_end0-_Z3usePiS_
	.cfi_endproc
                                        # -- End function
	.globl	main                            # -- Begin function main
	.p2align	4, 0x90
	.type	main,@function
main:                                   # @main
.Lfunc_begin1:
	.cfi_startproc
# %bb.0:                                # %entry
	#DEBUG_VALUE: main:argc <- $edi
	#DEBUG_VALUE: main:argv <- $rsi
                                        # kill: def $edi killed $edi def $rdi
	.loc	1 10 6 prologue_end             # main.cpp:10:6
	movl	%edi, x(%rip)
	.loc	1 11 13                         # main.cpp:11:13
	leal	3(%rdi), %esi
.Ltmp1:
	#DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi
	.loc	1 11 6 is_stmt 0                # main.cpp:11:6
	movl	%esi, y(%rip)
                                        # kill: def $edi killed $edi killed $rdi
.Ltmp2:
	.loc	1 13 11 is_stmt 1               # main.cpp:13:11
	jmp	_Z6helperii@PLT                 # TAILCALL
.Ltmp3:
.Lfunc_end1:
	.size	main, .Lfunc_end1-main
	.cfi_endproc
                                        # -- End function
	.type	x,@object                       # @x
	.bss
	.globl	x
	.p2align	2, 0x0
x:
	.long	0                               # 0x0
	.size	x, 4

	.type	y,@object                       # @y
	.data
	.globl	y
	.p2align	2, 0x0
y:
	.long	1                               # 0x1
	.size	y, 4

	.section	.debug_loc.dwo,"e",@progbits
.Ldebug_loc0:
	.byte	3
	.byte	3
	.long	.Ltmp1-.Lfunc_begin1
	.short	1                               # Loc expr size
	.byte	84                              # DW_OP_reg4
	.byte	3
	.byte	5
	.long	.Lfunc_end1-.Ltmp1
	.short	4                               # Loc expr size
	.byte	243                             # DW_OP_GNU_entry_value
	.byte	1                               # 1
	.byte	84                              # DW_OP_reg4
	.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	"\264B"                         # DW_AT_GNU_pubnames
	.byte	25                              # DW_FORM_flag_present
	.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
                                        # DW_AT_GNU_pubnames
	.long	.Lskel_string1                  # DW_AT_GNU_dwo_name
	.quad	-3308548803209949056            # DW_AT_GNU_dwo_id
	.quad	.Lfunc_begin0                   # DW_AT_low_pc
	.long	.Lfunc_end1-.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	"main.dwo"                      # string offset=47
	.section	.debug_str.dwo,"eMS",@progbits,1
.Linfo_string0:
	.asciz	"x"                             # string offset=0
.Linfo_string1:
	.asciz	"int"                           # string offset=2
.Linfo_string2:
	.asciz	"y"                             # string offset=6
.Linfo_string3:
	.asciz	"_Z6helperii"                   # string offset=8
.Linfo_string4:
	.asciz	"helper"                        # string offset=20
.Linfo_string5:
	.asciz	"_Z3usePiS_"                    # string offset=27
.Linfo_string6:
	.asciz	"use"                           # string offset=38
.Linfo_string7:
	.asciz	"main"                          # string offset=42
.Linfo_string8:
	.asciz	"argc"                          # string offset=47
.Linfo_string9:
	.asciz	"argv"                          # string offset=52
.Linfo_string10:
	.asciz	"char"                          # string offset=57
.Linfo_string11:
	.asciz	"clang version 18.0.0 ([email protected]:llvm/llvm-project.git 3a8db0f4bfb57348f49d9603119fa157114bbf8e)" # string offset=62
.Linfo_string12:
	.asciz	"main.cpp"                      # string offset=163
.Linfo_string13:
	.asciz	"main.dwo"                      # string offset=172
	.section	.debug_str_offsets.dwo,"e",@progbits
	.long	0
	.long	2
	.long	6
	.long	8
	.long	20
	.long	27
	.long	38
	.long	42
	.long	47
	.long	52
	.long	57
	.long	62
	.long	163
	.long	172
	.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:0x9d DW_TAG_compile_unit
	.byte	11                              # DW_AT_producer
	.short	33                              # DW_AT_language
	.byte	12                              # DW_AT_name
	.byte	13                              # DW_AT_GNU_dwo_name
	.quad	-3308548803209949056            # 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	7                               # 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	8                               # DW_AT_decl_line
	.byte	2                               # DW_AT_location
	.byte	251
	.byte	1
	.byte	4                               # Abbrev [4] 0x33:0x21 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	5                               # DW_AT_linkage_name
	.byte	6                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
                                        # DW_AT_external
	.byte	5                               # Abbrev [5] 0x3f:0xa DW_TAG_formal_parameter
	.byte	1                               # DW_AT_location
	.byte	85
	.byte	0                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
	.long	148                             # DW_AT_type
	.byte	5                               # Abbrev [5] 0x49:0xa DW_TAG_formal_parameter
	.byte	1                               # DW_AT_location
	.byte	84
	.byte	2                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
	.long	148                             # DW_AT_type
	.byte	0                               # End Of Children Mark
	.byte	6                               # Abbrev [6] 0x54:0x2c DW_TAG_subprogram
	.byte	3                               # DW_AT_low_pc
	.long	.Lfunc_end1-.Lfunc_begin1       # DW_AT_high_pc
	.byte	1                               # DW_AT_frame_base
	.byte	87
                                        # DW_AT_GNU_all_call_sites
	.byte	7                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	9                               # DW_AT_decl_line
	.long	36                              # DW_AT_type
                                        # DW_AT_external
	.byte	5                               # Abbrev [5] 0x63:0xa DW_TAG_formal_parameter
	.byte	1                               # DW_AT_location
	.byte	85
	.byte	8                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	9                               # DW_AT_decl_line
	.long	36                              # DW_AT_type
	.byte	7                               # Abbrev [7] 0x6d:0xc DW_TAG_formal_parameter
	.long	.Ldebug_loc0-.debug_loc.dwo     # DW_AT_location
	.byte	9                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	9                               # DW_AT_decl_line
	.long	153                             # DW_AT_type
	.byte	8                               # Abbrev [8] 0x79:0x6 DW_TAG_GNU_call_site
	.long	128                             # DW_AT_abstract_origin
                                        # DW_AT_GNU_tail_call
	.byte	4                               # DW_AT_low_pc
	.byte	0                               # End Of Children Mark
	.byte	9                               # Abbrev [9] 0x80:0x14 DW_TAG_subprogram
	.byte	3                               # DW_AT_linkage_name
	.byte	4                               # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	6                               # DW_AT_decl_line
	.long	36                              # DW_AT_type
                                        # DW_AT_declaration
                                        # DW_AT_external
	.byte	10                              # Abbrev [10] 0x89:0x5 DW_TAG_formal_parameter
	.long	36                              # DW_AT_type
	.byte	10                              # Abbrev [10] 0x8e:0x5 DW_TAG_formal_parameter
	.long	36                              # DW_AT_type
	.byte	0                               # End Of Children Mark
	.byte	11                              # Abbrev [11] 0x94:0x5 DW_TAG_pointer_type
	.long	36                              # DW_AT_type
	.byte	11                              # Abbrev [11] 0x99:0x5 DW_TAG_pointer_type
	.long	158                             # DW_AT_type
	.byte	11                              # Abbrev [11] 0x9e:0x5 DW_TAG_pointer_type
	.long	163                             # DW_AT_type
	.byte	3                               # Abbrev [3] 0xa3:0x4 DW_TAG_base_type
	.byte	10                              # DW_AT_name
	.byte	6                               # DW_AT_encoding
	.byte	1                               # DW_AT_byte_size
	.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	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	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	6                               # 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	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	7                               # 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	8                               # Abbreviation Code
	.ascii	"\211\202\001"                  # DW_TAG_GNU_call_site
	.byte	0                               # DW_CHILDREN_no
	.byte	49                              # DW_AT_abstract_origin
	.byte	19                              # DW_FORM_ref4
	.ascii	"\225B"                         # DW_AT_GNU_tail_call
	.byte	25                              # DW_FORM_flag_present
	.byte	17                              # DW_AT_low_pc
	.ascii	"\201>"                         # DW_FORM_GNU_addr_index
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	9                               # Abbreviation Code
	.byte	46                              # DW_TAG_subprogram
	.byte	1                               # DW_CHILDREN_yes
	.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	60                              # DW_AT_declaration
	.byte	25                              # DW_FORM_flag_present
	.byte	63                              # DW_AT_external
	.byte	25                              # DW_FORM_flag_present
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	10                              # Abbreviation Code
	.byte	5                               # DW_TAG_formal_parameter
	.byte	0                               # DW_CHILDREN_no
	.byte	73                              # DW_AT_type
	.byte	19                              # DW_FORM_ref4
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	11                              # Abbreviation Code
	.byte	15                              # DW_TAG_pointer_type
	.byte	0                               # DW_CHILDREN_no
	.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	x
	.quad	y
	.quad	.Lfunc_begin0
	.quad	.Lfunc_begin1
	.quad	.Ltmp3
	.quad	.Ltmp1
	.section	.debug_gnu_pubnames,"",@progbits
	.long	.LpubNames_end0-.LpubNames_start0 # Length of Public Names Info
.LpubNames_start0:
	.short	2                               # DWARF Version
	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
	.long	48                              # Compilation Unit Length
	.long	25                              # DIE offset
	.byte	32                              # Attributes: VARIABLE, EXTERNAL
	.asciz	"x"                             # External Name
	.long	40                              # DIE offset
	.byte	32                              # Attributes: VARIABLE, EXTERNAL
	.asciz	"y"                             # External Name
	.long	51                              # DIE offset
	.byte	48                              # Attributes: FUNCTION, EXTERNAL
	.asciz	"use"                           # External Name
	.long	84                              # DIE offset
	.byte	48                              # Attributes: FUNCTION, EXTERNAL
	.asciz	"main"                          # External Name
	.long	0                               # End Mark
.LpubNames_end0:
	.section	.debug_gnu_pubtypes,"",@progbits
	.long	.LpubTypes_end0-.LpubTypes_start0 # Length of Public Types Info
.LpubTypes_start0:
	.short	2                               # DWARF Version
	.long	.Lcu_begin0                     # Offset of Compilation Unit Info
	.long	48                              # Compilation Unit Length
	.long	36                              # DIE offset
	.byte	144                             # Attributes: TYPE, STATIC
	.asciz	"int"                           # External Name
	.long	163                             # DIE offset
	.byte	144                             # Attributes: TYPE, STATIC
	.asciz	"char"                          # External Name
	.long	0                               # End Mark
.LpubTypes_end0:
	.ident	"clang version 18.0.0 ([email protected]:llvm/llvm-project.git 3a8db0f4bfb57348f49d9603119fa157114bbf8e)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.section	.debug_line,"",@progbits
.Lline_table_start0: