llvm/bolt/test/X86/Inputs/dwarf5-call-pc-function-null-check-main.s

# clang++ main.cpp -g2 -O2 -S
# int helper(int z_, int d_);
# int x = 0;
# int y = 1;
# int  main(int argc, char *argv[]) {
#   return helper(x, y);
# }

# This file was manually modified so that DW_AT_call_pc points to invalid address.

	.text
	.file	"main.cpp"
	.file	0 "." "main.cpp" md5 0xcd4b01475ec2d380058dc5a69f9dd741
	.globl	main                            # -- Begin function main
	.p2align	4, 0x90
	.type	main,@function
main:                                   # @main
.Lfunc_begin0:
	.loc	0 4 0                           # main.cpp:4:0
	.cfi_startproc
# %bb.0:                                # %entry
	#DEBUG_VALUE: main:argc <- $edi
	#DEBUG_VALUE: main:argv <- $rsi
	.loc	0 5 17 prologue_end             # main.cpp:5:17
	movl	x(%rip), %edi
.Ltmp0:
	#DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $edi
	.loc	0 5 20 is_stmt 0                # main.cpp:5:20
	movl	y(%rip), %esi
.Ltmp1:
	#DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi
	.loc	0 5 10                          # main.cpp:5:10
	jmp	_Z6helperii@PLT                 # TAILCALL
.Ltmp2:
.Lfunc_end0:
	.size	main, .Lfunc_end0-main
	.cfi_endproc
                                        # -- End function
	.type	x,@object                       # @x
	.bss
	.globl	x
	.p2align	2
x:
	.long	0                               # 0x0
	.size	x, 4

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

	.section	.debug_loclists,"",@progbits
	.long	.Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length
.Ldebug_list_header_start0:
	.short	5                               # Version
	.byte	8                               # Address size
	.byte	0                               # Segment selector size
	.long	2                               # Offset entry count
.Lloclists_table_base0:
	.long	.Ldebug_loc0-.Lloclists_table_base0
	.long	.Ldebug_loc1-.Lloclists_table_base0
.Ldebug_loc0:
	.byte	4                               # DW_LLE_offset_pair
	.uleb128 .Lfunc_begin0-.Lfunc_begin0    #   starting offset
	.uleb128 .Ltmp0-.Lfunc_begin0           #   ending offset
	.byte	1                               # Loc expr size
	.byte	85                              # super-register DW_OP_reg5
	.byte	4                               # DW_LLE_offset_pair
	.uleb128 .Ltmp0-.Lfunc_begin0           #   starting offset
	.uleb128 .Lfunc_end0-.Lfunc_begin0      #   ending offset
	.byte	4                               # Loc expr size
	.byte	163                             # DW_OP_entry_value
	.byte	1                               # 1
	.byte	85                              # super-register DW_OP_reg5
	.byte	159                             # DW_OP_stack_value
	.byte	0                               # DW_LLE_end_of_list
.Ldebug_loc1:
	.byte	4                               # DW_LLE_offset_pair
	.uleb128 .Lfunc_begin0-.Lfunc_begin0    #   starting offset
	.uleb128 .Ltmp1-.Lfunc_begin0           #   ending offset
	.byte	1                               # Loc expr size
	.byte	84                              # DW_OP_reg4
	.byte	4                               # DW_LLE_offset_pair
	.uleb128 .Ltmp1-.Lfunc_begin0           #   starting offset
	.uleb128 .Lfunc_end0-.Lfunc_begin0      #   ending offset
	.byte	4                               # Loc expr size
	.byte	163                             # DW_OP_entry_value
	.byte	1                               # 1
	.byte	84                              # DW_OP_reg4
	.byte	159                             # DW_OP_stack_value
	.byte	0                               # DW_LLE_end_of_list
.Ldebug_list_header_end0:
	.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	37                              # DW_FORM_strx1
	.byte	19                              # DW_AT_language
	.byte	5                               # DW_FORM_data2
	.byte	3                               # DW_AT_name
	.byte	37                              # DW_FORM_strx1
	.byte	114                             # DW_AT_str_offsets_base
	.byte	23                              # DW_FORM_sec_offset
	.byte	16                              # DW_AT_stmt_list
	.byte	23                              # DW_FORM_sec_offset
	.byte	27                              # DW_AT_comp_dir
	.byte	37                              # DW_FORM_strx1
	.byte	17                              # DW_AT_low_pc
	.byte	27                              # DW_FORM_addrx
	.byte	18                              # DW_AT_high_pc
	.byte	6                               # DW_FORM_data4
	.byte	115                             # DW_AT_addr_base
	.byte	23                              # DW_FORM_sec_offset
	.ascii	"\214\001"                      # DW_AT_loclists_base
	.byte	23                              # DW_FORM_sec_offset
	.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
	.byte	37                              # DW_FORM_strx1
	.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
	.byte	37                              # DW_FORM_strx1
	.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
	.byte	27                              # DW_FORM_addrx
	.byte	18                              # DW_AT_high_pc
	.byte	6                               # DW_FORM_data4
	.byte	64                              # DW_AT_frame_base
	.byte	24                              # DW_FORM_exprloc
	.byte	122                             # DW_AT_call_all_calls
	.byte	25                              # DW_FORM_flag_present
	.byte	3                               # DW_AT_name
	.byte	37                              # DW_FORM_strx1
	.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	5                               # Abbreviation Code
	.byte	5                               # DW_TAG_formal_parameter
	.byte	0                               # DW_CHILDREN_no
	.byte	2                               # DW_AT_location
	.byte	34                              # DW_FORM_loclistx
	.byte	3                               # DW_AT_name
	.byte	37                              # DW_FORM_strx1
	.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	72                              # DW_TAG_call_site
	.byte	0                               # DW_CHILDREN_no
	.byte	127                             # DW_AT_call_origin
	.byte	19                              # DW_FORM_ref4
	.ascii	"\202\001"                      # DW_AT_call_tail_call
	.byte	25                              # DW_FORM_flag_present
	.ascii	"\201\001"                      # DW_AT_call_pc
	.byte	27                              # DW_FORM_addrx
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	7                               # Abbreviation Code
	.byte	46                              # DW_TAG_subprogram
	.byte	1                               # DW_CHILDREN_yes
	.byte	110                             # DW_AT_linkage_name
	.byte	37                              # DW_FORM_strx1
	.byte	3                               # DW_AT_name
	.byte	37                              # DW_FORM_strx1
	.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	8                               # 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	9                               # 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_info,"",@progbits
.Lcu_begin0:
	.long	.Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
	.short	5                               # DWARF version number
	.byte	1                               # DWARF Unit Type
	.byte	8                               # Address Size (in bytes)
	.long	.debug_abbrev                   # Offset Into Abbrev. Section
	.byte	1                               # Abbrev [1] 0xc:0x80 DW_TAG_compile_unit
	.byte	0                               # DW_AT_producer
	.short	33                              # DW_AT_language
	.byte	1                               # DW_AT_name
	.long	.Lstr_offsets_base0             # DW_AT_str_offsets_base
	.long	.Lline_table_start0             # DW_AT_stmt_list
	.byte	2                               # DW_AT_comp_dir
	.byte	2                               # DW_AT_low_pc
	.long	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
	.long	.Laddr_table_base0              # DW_AT_addr_base
	.long	.Lloclists_table_base0          # DW_AT_loclists_base
	.byte	2                               # Abbrev [2] 0x27:0xb DW_TAG_variable
	.byte	3                               # DW_AT_name
	.long	50                              # DW_AT_type
                                        # DW_AT_external
	.byte	0                               # DW_AT_decl_file
	.byte	2                               # DW_AT_decl_line
	.byte	2                               # DW_AT_location
	.byte	161
	.byte	0
	.byte	3                               # Abbrev [3] 0x32:0x4 DW_TAG_base_type
	.byte	4                               # DW_AT_name
	.byte	5                               # DW_AT_encoding
	.byte	4                               # DW_AT_byte_size
	.byte	2                               # Abbrev [2] 0x36:0xb DW_TAG_variable
	.byte	5                               # DW_AT_name
	.long	50                              # DW_AT_type
                                        # DW_AT_external
	.byte	0                               # DW_AT_decl_file
	.byte	3                               # DW_AT_decl_line
	.byte	2                               # DW_AT_location
	.byte	161
	.byte	1
	.byte	4                               # Abbrev [4] 0x41:0x28 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_call_all_calls
	.byte	8                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	4                               # DW_AT_decl_line
	.long	50                              # DW_AT_type
                                        # DW_AT_external
	.byte	5                               # Abbrev [5] 0x50:0x9 DW_TAG_formal_parameter
	.byte	0                               # DW_AT_location
	.byte	9                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	4                               # DW_AT_decl_line
	.long	50                              # DW_AT_type
	.byte	5                               # Abbrev [5] 0x59:0x9 DW_TAG_formal_parameter
	.byte	1                               # DW_AT_location
	.byte	10                              # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	4                               # DW_AT_decl_line
	.long	125                             # DW_AT_type
	.byte	6                               # Abbrev [6] 0x62:0x6 DW_TAG_call_site
	.long	105                             # DW_AT_call_origin
                                        # DW_AT_call_tail_call
	.byte	3                               # DW_AT_call_pc
	.byte	0                               # End Of Children Mark
	.byte	7                               # Abbrev [7] 0x69:0x14 DW_TAG_subprogram
	.byte	6                               # DW_AT_linkage_name
	.byte	7                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
	.long	50                              # DW_AT_type
                                        # DW_AT_declaration
                                        # DW_AT_external
	.byte	8                               # Abbrev [8] 0x72:0x5 DW_TAG_formal_parameter
	.long	50                              # DW_AT_type
	.byte	8                               # Abbrev [8] 0x77:0x5 DW_TAG_formal_parameter
	.long	50                              # DW_AT_type
	.byte	0                               # End Of Children Mark
	.byte	9                               # Abbrev [9] 0x7d:0x5 DW_TAG_pointer_type
	.long	130                             # DW_AT_type
	.byte	9                               # Abbrev [9] 0x82:0x5 DW_TAG_pointer_type
	.long	135                             # DW_AT_type
	.byte	3                               # Abbrev [3] 0x87:0x4 DW_TAG_base_type
	.byte	11                              # DW_AT_name
	.byte	6                               # DW_AT_encoding
	.byte	1                               # DW_AT_byte_size
	.byte	0                               # End Of Children Mark
.Ldebug_info_end0:
	.section	.debug_str_offsets,"",@progbits
	.long	52                              # Length of String Offsets Set
	.short	5
	.short	0
.Lstr_offsets_base0:
	.section	.debug_str,"MS",@progbits,1
.Linfo_string0:
	.asciz	"clang version 16.0.0" # string offset=0
.Linfo_string1:
	.asciz	"main.cpp"                      # string offset=134
.Linfo_string2:
	.asciz	"." # string offset=143
.Linfo_string3:
	.asciz	"x"                             # string offset=196
.Linfo_string4:
	.asciz	"int"                           # string offset=198
.Linfo_string5:
	.asciz	"y"                             # string offset=202
.Linfo_string6:
	.asciz	"_Z6helperii"                   # string offset=204
.Linfo_string7:
	.asciz	"helper"                        # string offset=216
.Linfo_string8:
	.asciz	"main"                          # string offset=223
.Linfo_string9:
	.asciz	"argc"                          # string offset=228
.Linfo_string10:
	.asciz	"argv"                          # string offset=233
.Linfo_string11:
	.asciz	"char"                          # string offset=238
	.section	.debug_str_offsets,"",@progbits
	.long	.Linfo_string0
	.long	.Linfo_string1
	.long	.Linfo_string2
	.long	.Linfo_string3
	.long	.Linfo_string4
	.long	.Linfo_string5
	.long	.Linfo_string6
	.long	.Linfo_string7
	.long	.Linfo_string8
	.long	.Linfo_string9
	.long	.Linfo_string10
	.long	.Linfo_string11
	.section	.debug_addr,"",@progbits
	.long	.Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
	.short	5                               # DWARF version number
	.byte	8                               # Address size
	.byte	0                               # Segment selector size
.Laddr_table_base0:
	.quad	x
	.quad	y
	.quad	.Lfunc_begin0
	.quad	.Ltmp1 + 0x1000000				# Manually modified to add 0x1000000
.Ldebug_addr_end0:
	.ident	"clang version 16.0.0"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.section	.debug_line,"",@progbits
.Lline_table_start0: