llvm/bolt/test/X86/dwarf5-loclist-out-of-order.s

# REQUIRES: system-linux

# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o
# RUN: %clang %cflags -dwarf-5 %t1.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections --skip-funcs=main
# RUN: llvm-dwarfdump --show-form --verbose --debug-loclists --debug-addr %t.bolt > %t.txt
# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt >> %t.txt
# RUN: cat %t.txt | FileCheck --check-prefix=POSTCHECK %s

## Tests to make sure BOLT handles correctly locations that are out of order, and the function is not being processed.

# POSTCHECK:      DW_LLE_base_addressx
# POSTCHECK-NEXT: DW_LLE_offset_pair
# POSTCHECK-NEXT: DW_LLE_offset_pair
# POSTCHECK-NEXT: DW_LLE_startx_length
# POSTCHECK-NEXT: DW_LLE_end_of_list
# POSTCHECK:      DW_LLE_base_addressx
# POSTCHECK-NEXT: DW_LLE_offset_pair
# POSTCHECK-NEXT: DW_LLE_offset_pair
# POSTCHECK-NEXT: DW_LLE_end_of_list

# POSTCHECK:      Addrs: [
# POSTCHECK-NEXT: 0x[[#%.16x,ADDR:]]
# POSTCHECK-NEXT: 0x
# POSTCHECK-NEXT: 0x
# POSTCHECK-NEXT: 0x[[#%.16x,ADDR1:]]
# POSTCHECK-NEXT: 0x
# POSTCHECK-NEXT: 0x

# POSTCHECK:      DW_TAG_formal_parameter
# POSTCHECK:      DW_TAG_formal_parameter
# POSTCHECK-NEXT: DW_AT_location
# POSTCHECK-NEXT: [0x[[#ADDR1]], 0x[[#ADDR1 + 0x1a]]): DW_OP_reg3 RBX
# POSTCHECK-NEXT: [0x[[#ADDR1 + 0x1a]], 0x[[#ADDR1 + 0x1d]]): DW_OP_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value
# POSTCHECK-NEXT: [0x[[#ADDR]], 0x[[#ADDR + 0x12]]): DW_OP_reg5 RDI)

## clang++ main.cpp -fno-inline-functions  -g2 -O2 -S
## void use(int * x) {
##    *x += 4;
## }
## int  main(int argc, char *argv[]) {
##  int x = argc;
##  use(&x);
##  x = x + argc;
##  use(&x);
##  return x;
## }

## Test was manually modified to re-order locations.
  .text
	.file	"main.cpp"
	.globl	_Z3usePi                        # -- Begin function _Z3usePi
	.p2align	4, 0x90
	.type	_Z3usePi,@function
_Z3usePi:                               # @_Z3usePi
.Lfunc_begin0:
	.file	0 "/repro" "main.cpp" md5 0xe24a1d6afb5e23ce0028f1f33bc08cd7
	.cfi_startproc
# %bb.0:                                # %entry
	#DEBUG_VALUE: use:x <- $rdi
	.loc	0 2 8 prologue_end              # main.cpp:2:8
	addl	$4, (%rdi)
	.loc	0 3 1                           # main.cpp:3:1
	retq
.Ltmp0:
.Lfunc_end0:
	.size	_Z3usePi, .Lfunc_end0-_Z3usePi
	.cfi_endproc
                                        # -- End function
	.globl	main                            # -- Begin function main
	.p2align	4, 0x90
	.type	main,@function
main:                                   # @main
.Lfunc_begin1:
	.loc	0 4 0                           # main.cpp:4:0
	.cfi_startproc
# %bb.0:                                # %entry
	#DEBUG_VALUE: main:argc <- $edi
	#DEBUG_VALUE: main:argv <- $rsi
	pushq	%r14
	.cfi_def_cfa_offset 16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	pushq	%rax
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -24
	.cfi_offset %r14, -16
	movl	%edi, %ebx
.Ltmp1:
	.loc	0 5 7 prologue_end              # main.cpp:5:7
	movl	%edi, 4(%rsp)
	leaq	4(%rsp), %r14
	.loc	0 6 3                           # main.cpp:6:3
	movq	%r14, %rdi
.Ltmp2:
	#DEBUG_VALUE: main:argc <- $ebx
	callq	_Z3usePi
.Ltmp3:
	#DEBUG_VALUE: main:argv <- [DW_OP_LLVM_entry_value 1] $rsi
	.loc	0 7 5                           # main.cpp:7:5
	addl	%ebx, 4(%rsp)
	.loc	0 8 3                           # main.cpp:8:3
	movq	%r14, %rdi
	callq	_Z3usePi
.Ltmp4:
	.loc	0 9 10                          # main.cpp:9:10
	movl	4(%rsp), %eax
	.loc	0 9 3 epilogue_begin is_stmt 0  # main.cpp:9:3
	addq	$8, %rsp
	.cfi_def_cfa_offset 24
	popq	%rbx
.Ltmp5:
	#DEBUG_VALUE: main:argc <- [DW_OP_LLVM_entry_value 1] $edi
	.cfi_def_cfa_offset 16
	popq	%r14
	.cfi_def_cfa_offset 8
	retq
.Ltmp6:
.Lfunc_end1:
	.size	main, .Lfunc_end1-main
	.cfi_endproc
                                        # -- End function
	.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 .Ltmp2-.Lfunc_begin0           #   starting offset
	.uleb128 .Ltmp5-.Lfunc_begin0           #   ending offset
	.byte	1                               # Loc expr size
	.byte	83                              # super-register DW_OP_reg3
	.byte	4                               # DW_LLE_offset_pair
	.uleb128 .Ltmp5-.Lfunc_begin0           #   starting offset
	.uleb128 .Lfunc_end1-.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	4                               # DW_LLE_offset_pair #manually moved out of order
	.uleb128 .Lfunc_begin1-.Lfunc_begin0    #   starting offset
	.uleb128 .Ltmp2-.Lfunc_begin0           #   ending offset
	.byte	1                               # Loc expr size
	.byte	85                              # super-register DW_OP_reg5
	.byte	0                               # DW_LLE_end_of_list
.Ldebug_loc1:
	.byte	4                               # DW_LLE_offset_pair
	.uleb128 .Lfunc_begin1-.Lfunc_begin0    #   starting offset
	.uleb128 .Ltmp3-.Lfunc_begin0           #   ending offset
	.byte	1                               # Loc expr size
	.byte	84                              # DW_OP_reg4
	.byte	4                               # DW_LLE_offset_pair
	.uleb128 .Ltmp3-.Lfunc_begin0           #   starting offset
	.uleb128 .Lfunc_end1-.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	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	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	63                              # DW_AT_external
	.byte	25                              # DW_FORM_flag_present
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	3                               # 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
	.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	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	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	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	7                               # Abbreviation Code
	.byte	72                              # DW_TAG_call_site
	.byte	1                               # DW_CHILDREN_yes
	.byte	127                             # DW_AT_call_origin
	.byte	19                              # DW_FORM_ref4
	.byte	125                             # DW_AT_call_return_pc
	.byte	27                              # DW_FORM_addrx
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	8                               # Abbreviation Code
	.byte	73                              # DW_TAG_call_site_parameter
	.byte	0                               # DW_CHILDREN_no
	.byte	2                               # DW_AT_location
	.byte	24                              # DW_FORM_exprloc
	.byte	126                             # DW_AT_call_value
	.byte	24                              # DW_FORM_exprloc
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	9                               # 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	10                              # 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:0x91 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	0                               # DW_AT_low_pc
	.long	.Lfunc_end1-.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] 0x27:0x17 DW_TAG_subprogram
	.byte	0                               # 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	3                               # DW_AT_linkage_name
	.byte	4                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
                                        # DW_AT_external
	.byte	3                               # Abbrev [3] 0x33:0xa DW_TAG_formal_parameter
	.byte	1                               # DW_AT_location
	.byte	85
	.byte	7                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
	.long	137                             # DW_AT_type
	.byte	0                               # End Of Children Mark
	.byte	4                               # Abbrev [4] 0x3e:0x47 DW_TAG_subprogram
	.byte	1                               # DW_AT_low_pc
	.long	.Lfunc_end1-.Lfunc_begin1       # DW_AT_high_pc
	.byte	1                               # DW_AT_frame_base
	.byte	87
                                        # DW_AT_call_all_calls
	.byte	5                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	4                               # DW_AT_decl_line
	.long	133                             # DW_AT_type
                                        # DW_AT_external
	.byte	5                               # Abbrev [5] 0x4d:0x9 DW_TAG_formal_parameter
	.byte	0                               # DW_AT_location
	.byte	8                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	4                               # DW_AT_decl_line
	.long	133                             # DW_AT_type
	.byte	5                               # Abbrev [5] 0x56:0x9 DW_TAG_formal_parameter
	.byte	1                               # DW_AT_location
	.byte	9                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	4                               # DW_AT_decl_line
	.long	142                             # DW_AT_type
	.byte	6                               # Abbrev [6] 0x5f:0xb DW_TAG_variable
	.byte	2                               # DW_AT_location
	.byte	145
	.byte	4
	.byte	7                               # DW_AT_name
	.byte	0                               # DW_AT_decl_file
	.byte	5                               # DW_AT_decl_line
	.long	133                             # DW_AT_type
	.byte	7                               # Abbrev [7] 0x6a:0xd DW_TAG_call_site
	.long	39                              # DW_AT_call_origin
	.byte	2                               # DW_AT_call_return_pc
	.byte	8                               # Abbrev [8] 0x70:0x6 DW_TAG_call_site_parameter
	.byte	1                               # DW_AT_location
	.byte	85
	.byte	2                               # DW_AT_call_value
	.byte	126
	.byte	0
	.byte	0                               # End Of Children Mark
	.byte	7                               # Abbrev [7] 0x77:0xd DW_TAG_call_site
	.long	39                              # DW_AT_call_origin
	.byte	3                               # DW_AT_call_return_pc
	.byte	8                               # Abbrev [8] 0x7d:0x6 DW_TAG_call_site_parameter
	.byte	1                               # DW_AT_location
	.byte	85
	.byte	2                               # DW_AT_call_value
	.byte	126
	.byte	0
	.byte	0                               # End Of Children Mark
	.byte	0                               # End Of Children Mark
	.byte	9                               # Abbrev [9] 0x85:0x4 DW_TAG_base_type
	.byte	6                               # DW_AT_name
	.byte	5                               # DW_AT_encoding
	.byte	4                               # DW_AT_byte_size
	.byte	10                              # Abbrev [10] 0x89:0x5 DW_TAG_pointer_type
	.long	133                             # DW_AT_type
	.byte	10                              # Abbrev [10] 0x8e:0x5 DW_TAG_pointer_type
	.long	147                             # DW_AT_type
	.byte	10                              # Abbrev [10] 0x93:0x5 DW_TAG_pointer_type
	.long	152                             # DW_AT_type
	.byte	9                               # Abbrev [9] 0x98:0x4 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_end0:
	.section	.debug_str_offsets,"",@progbits
	.long	48                              # Length of String Offsets Set
	.short	5
	.short	0
.Lstr_offsets_base0:
	.section	.debug_str,"MS",@progbits,1
.Linfo_string0:
	.asciz	"clang version 19.0.0git ([email protected]:ayermolo/llvm-project.git a1e412af2bf4bf613021f72205f249ab2469f08b)" # string offset=0
.Linfo_string1:
	.asciz	"main.cpp"                      # string offset=108
.Linfo_string2:
	.asciz	"/repro" # string offset=117
.Linfo_string3:
	.asciz	"_Z3usePi"                      # string offset=161
.Linfo_string4:
	.asciz	"use"                           # string offset=170
.Linfo_string5:
	.asciz	"main"                          # string offset=174
.Linfo_string6:
	.asciz	"int"                           # string offset=179
.Linfo_string7:
	.asciz	"x"                             # string offset=183
.Linfo_string8:
	.asciz	"argc"                          # string offset=185
.Linfo_string9:
	.asciz	"argv"                          # string offset=190
.Linfo_string10:
	.asciz	"char"                          # string offset=195
	.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
	.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	.Lfunc_begin0
	.quad	.Lfunc_begin1
	.quad	.Ltmp3
	.quad	.Ltmp4
.Ldebug_addr_end0:
	.ident	"clang version 19.0.0git ([email protected]:ayermolo/llvm-project.git a1e412af2bf4bf613021f72205f249ab2469f08b)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.section	.debug_line,"",@progbits
.Lline_table_start0: