[llvm] [BOLT][NFC] Add split-dwarf5 test with multiple CUs (PR #93744)
Sayhaan Siddiqui via llvm-commits
llvm-commits at lists.llvm.org
Wed May 29 16:49:14 PDT 2024
https://github.com/sayhaan updated https://github.com/llvm/llvm-project/pull/93744
>From b82caa4a1bb04d83899f3e5682bef371f00f21d9 Mon Sep 17 00:00:00 2001
From: Sayhaan Siddiqui <sayhaan at meta.com>
Date: Wed, 29 May 2024 16:07:42 -0700
Subject: [PATCH] [BOLT][NFC] Add split-dwarf5 test with multiple CUs
---
.../dwarf5-df-input-lowpc-ranges-other.s | 453 ++++++++++++++++++
.../X86/dwarf5-df-input-lowpc-ranges-cus.test | 73 +++
.../X86/dwarf5-df-input-lowpc-ranges.test | 2 +-
3 files changed, 527 insertions(+), 1 deletion(-)
create mode 100644 bolt/test/X86/Inputs/dwarf5-df-input-lowpc-ranges-other.s
create mode 100644 bolt/test/X86/dwarf5-df-input-lowpc-ranges-cus.test
diff --git a/bolt/test/X86/Inputs/dwarf5-df-input-lowpc-ranges-other.s b/bolt/test/X86/Inputs/dwarf5-df-input-lowpc-ranges-other.s
new file mode 100644
index 0000000000000..9cd736533e91b
--- /dev/null
+++ b/bolt/test/X86/Inputs/dwarf5-df-input-lowpc-ranges-other.s
@@ -0,0 +1,453 @@
+# clang++ -fbasic-block-sections=all -ffunction-sections -g2 -gdwarf-5 -fdebug-compilation-dir='.'
+# __attribute__((always_inline))
+# int doStuffOther(int val) {
+# if (val)
+# ++val;
+# return val;
+# }
+# __attribute__((always_inline))
+# int doStuffOther2(int val) {
+# int foo = 3;
+# return val + foo;
+# }
+#
+#
+# int mainOther(int argc, const char** argv) {
+# return doStuffOther(argc) + doStuffOther2(argc);;
+# }
+ .text
+ .file "mainOther.cpp"
+ .section .text._Z12doStuffOtheri,"ax", at progbits
+ .globl _Z12doStuffOtheri # -- Begin function _Z12doStuffOtheri
+ .p2align 4, 0x90
+ .type _Z12doStuffOtheri, at function
+_Z12doStuffOtheri: # @_Z12doStuffOtheri
+.Lfunc_begin0:
+ .file 0 "." "mainOther.cpp" md5 0xa1ed70aa11f60b0b51ac7b70ad68283d
+ .loc 0 1 0 # mainOther.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 %edi, -4(%rbp)
+.Ltmp0:
+ .loc 0 2 7 prologue_end # mainOther.cpp:2:7
+ cmpl $0, -4(%rbp)
+.Ltmp1:
+ .loc 0 2 7 is_stmt 0 # mainOther.cpp:2:7
+ je _Z12doStuffOtheri.__part.2
+ jmp _Z12doStuffOtheri.__part.1
+.LBB_END0_0:
+ .cfi_endproc
+ .section .text._Z12doStuffOtheri,"ax", at progbits,unique,1
+_Z12doStuffOtheri.__part.1: # %if.then
+ .cfi_startproc
+ .cfi_def_cfa %rbp, 16
+ .cfi_offset %rbp, -16
+ .loc 0 3 6 is_stmt 1 # mainOther.cpp:3:6
+ movl -4(%rbp), %eax
+ addl $1, %eax
+ movl %eax, -4(%rbp)
+ jmp _Z12doStuffOtheri.__part.2
+.LBB_END0_1:
+ .size _Z12doStuffOtheri.__part.1, .LBB_END0_1-_Z12doStuffOtheri.__part.1
+ .cfi_endproc
+ .section .text._Z12doStuffOtheri,"ax", at progbits,unique,2
+_Z12doStuffOtheri.__part.2: # %if.end
+ .cfi_startproc
+ .cfi_def_cfa %rbp, 16
+ .cfi_offset %rbp, -16
+ .loc 0 4 11 # mainOther.cpp:4:11
+ movl -4(%rbp), %eax
+ .loc 0 4 4 epilogue_begin is_stmt 0 # mainOther.cpp:4:4
+ popq %rbp
+ .cfi_def_cfa %rsp, 8
+ retq
+.LBB_END0_2:
+ .size _Z12doStuffOtheri.__part.2, .LBB_END0_2-_Z12doStuffOtheri.__part.2
+ .cfi_endproc
+ .section .text._Z12doStuffOtheri,"ax", at progbits
+.Lfunc_end0:
+ .size _Z12doStuffOtheri, .Lfunc_end0-_Z12doStuffOtheri
+ # -- End function
+ .section .text._Z13doStuffOther2i,"ax", at progbits
+ .globl _Z13doStuffOther2i # -- Begin function _Z13doStuffOther2i
+ .p2align 4, 0x90
+ .type _Z13doStuffOther2i, at function
+_Z13doStuffOther2i: # @_Z13doStuffOther2i
+.Lfunc_begin1:
+ .loc 0 7 0 is_stmt 1 # mainOther.cpp:7:0
+ .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 %edi, -4(%rbp)
+.Ltmp2:
+ .loc 0 8 8 prologue_end # mainOther.cpp:8:8
+ movl $3, -8(%rbp)
+ .loc 0 9 11 # mainOther.cpp:9:11
+ movl -4(%rbp), %eax
+ .loc 0 9 15 is_stmt 0 # mainOther.cpp:9:15
+ addl -8(%rbp), %eax
+ .loc 0 9 4 epilogue_begin # mainOther.cpp:9:4
+ popq %rbp
+ .cfi_def_cfa %rsp, 8
+ retq
+.LBB_END1_0:
+ .cfi_endproc
+.Lfunc_end1:
+ .size _Z13doStuffOther2i, .Lfunc_end1-_Z13doStuffOther2i
+ # -- End function
+ .section .debug_abbrev,"", at progbits
+ .byte 1 # Abbreviation Code
+ .byte 74 # DW_TAG_skeleton_unit
+ .byte 0 # DW_CHILDREN_no
+ .byte 16 # DW_AT_stmt_list
+ .byte 23 # DW_FORM_sec_offset
+ .byte 114 # DW_AT_str_offsets_base
+ .byte 23 # DW_FORM_sec_offset
+ .byte 27 # DW_AT_comp_dir
+ .byte 37 # DW_FORM_strx1
+ .ascii "\264B" # DW_AT_GNU_pubnames
+ .byte 25 # DW_FORM_flag_present
+ .byte 118 # DW_AT_dwo_name
+ .byte 37 # DW_FORM_strx1
+ .byte 17 # DW_AT_low_pc
+ .byte 1 # DW_FORM_addr
+ .byte 85 # DW_AT_ranges
+ .byte 35 # DW_FORM_rnglistx
+ .byte 115 # DW_AT_addr_base
+ .byte 23 # DW_FORM_sec_offset
+ .byte 116 # DW_AT_rnglists_base
+ .byte 23 # DW_FORM_sec_offset
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 0 # EOM(3)
+ .section .debug_info,"", at progbits
+.Lcu_begin0:
+ .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
+.Ldebug_info_start0:
+ .short 5 # DWARF version number
+ .byte 4 # DWARF Unit Type
+ .byte 8 # Address Size (in bytes)
+ .long .debug_abbrev # Offset Into Abbrev. Section
+ .quad -3189507873368837485
+ .byte 1 # Abbrev [1] 0x14:0x1c DW_TAG_skeleton_unit
+ .long .Lline_table_start0 # DW_AT_stmt_list
+ .long .Lstr_offsets_base0 # DW_AT_str_offsets_base
+ .byte 0 # DW_AT_comp_dir
+ # DW_AT_GNU_pubnames
+ .byte 1 # DW_AT_dwo_name
+ .quad 0 # DW_AT_low_pc
+ .byte 0 # DW_AT_ranges
+ .long .Laddr_table_base0 # DW_AT_addr_base
+ .long .Lrnglists_table_base0 # DW_AT_rnglists_base
+.Ldebug_info_end0:
+ .section .debug_rnglists,"", at 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 1 # Offset entry count
+.Lrnglists_table_base0:
+ .long .Ldebug_ranges1-.Lrnglists_table_base0
+.Ldebug_ranges1:
+ .byte 3 # DW_RLE_startx_length
+ .byte 0 # start index
+ .uleb128 .LBB_END0_1-_Z12doStuffOtheri.__part.1 # length
+ .byte 3 # DW_RLE_startx_length
+ .byte 1 # start index
+ .uleb128 .LBB_END0_2-_Z12doStuffOtheri.__part.2 # length
+ .byte 3 # DW_RLE_startx_length
+ .byte 2 # start index
+ .uleb128 .Lfunc_end0-.Lfunc_begin0 # length
+ .byte 3 # DW_RLE_startx_length
+ .byte 3 # start index
+ .uleb128 .Lfunc_end1-.Lfunc_begin1 # length
+ .byte 0 # DW_RLE_end_of_list
+.Ldebug_list_header_end0:
+ .section .debug_str_offsets,"", at progbits
+ .long 12 # Length of String Offsets Set
+ .short 5
+ .short 0
+.Lstr_offsets_base0:
+ .section .debug_str,"MS", at progbits,1
+.Lskel_string0:
+ .asciz "." # string offset=0
+.Lskel_string1:
+ .asciz "mainOther.dwo" # string offset=2
+ .section .debug_str_offsets,"", at progbits
+ .long .Lskel_string0
+ .long .Lskel_string1
+ .section .debug_str_offsets.dwo,"e", at progbits
+ .long 44 # Length of String Offsets Set
+ .short 5
+ .short 0
+ .section .debug_str.dwo,"eMS", at progbits,1
+.Linfo_string0:
+ .asciz "_Z12doStuffOtheri" # string offset=0
+.Linfo_string1:
+ .asciz "doStuffOther" # string offset=18
+.Linfo_string2:
+ .asciz "int" # string offset=31
+.Linfo_string3:
+ .asciz "_Z13doStuffOther2i" # string offset=35
+.Linfo_string4:
+ .asciz "doStuffOther2" # string offset=54
+.Linfo_string5:
+ .asciz "val" # string offset=68
+.Linfo_string6:
+ .asciz "foo" # string offset=72
+.Linfo_string7:
+ .asciz "clang version 19.0.0git (git at github.com:llvm/llvm-project.git df542e1ed82bd4e5a9e345d3a3ae63a76893a0cf)" # string offset=76
+.Linfo_string8:
+ .asciz "mainOther.cpp" # string offset=180
+.Linfo_string9:
+ .asciz "mainOther.dwo" # string offset=194
+ .section .debug_str_offsets.dwo,"e", at progbits
+ .long 0
+ .long 18
+ .long 31
+ .long 35
+ .long 54
+ .long 68
+ .long 72
+ .long 76
+ .long 180
+ .long 194
+ .section .debug_info.dwo,"e", at progbits
+ .long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
+.Ldebug_info_dwo_start0:
+ .short 5 # DWARF version number
+ .byte 5 # DWARF Unit Type
+ .byte 8 # Address Size (in bytes)
+ .long 0 # Offset Into Abbrev. Section
+ .quad -3189507873368837485
+ .byte 1 # Abbrev [1] 0x14:0x4a DW_TAG_compile_unit
+ .byte 7 # DW_AT_producer
+ .short 33 # DW_AT_language
+ .byte 8 # DW_AT_name
+ .byte 9 # DW_AT_dwo_name
+ .byte 2 # Abbrev [2] 0x1a:0x18 DW_TAG_subprogram
+ .byte 0 # DW_AT_ranges
+ .byte 1 # DW_AT_frame_base
+ .byte 86
+ .byte 0 # DW_AT_linkage_name
+ .byte 1 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 1 # DW_AT_decl_line
+ .long 89 # DW_AT_type
+ # DW_AT_external
+ .byte 3 # Abbrev [3] 0x26:0xb DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 124
+ .byte 5 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 1 # DW_AT_decl_line
+ .long 89 # DW_AT_type
+ .byte 0 # End Of Children Mark
+ .byte 4 # Abbrev [4] 0x32:0x27 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 86
+ .byte 3 # DW_AT_linkage_name
+ .byte 4 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 7 # DW_AT_decl_line
+ .long 89 # DW_AT_type
+ # DW_AT_external
+ .byte 3 # Abbrev [3] 0x42:0xb DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 124
+ .byte 5 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 7 # DW_AT_decl_line
+ .long 89 # DW_AT_type
+ .byte 5 # Abbrev [5] 0x4d:0xb DW_TAG_variable
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 120
+ .byte 6 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 8 # DW_AT_decl_line
+ .long 89 # DW_AT_type
+ .byte 0 # End Of Children Mark
+ .byte 6 # Abbrev [6] 0x59:0x4 DW_TAG_base_type
+ .byte 2 # DW_AT_name
+ .byte 5 # DW_AT_encoding
+ .byte 4 # DW_AT_byte_size
+ .byte 0 # End Of Children Mark
+.Ldebug_info_dwo_end0:
+ .section .debug_abbrev.dwo,"e", at 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 118 # DW_AT_dwo_name
+ .byte 37 # DW_FORM_strx1
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 2 # Abbreviation Code
+ .byte 46 # DW_TAG_subprogram
+ .byte 1 # DW_CHILDREN_yes
+ .byte 85 # DW_AT_ranges
+ .byte 35 # DW_FORM_rnglistx
+ .byte 64 # DW_AT_frame_base
+ .byte 24 # DW_FORM_exprloc
+ .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 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 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 63 # DW_AT_external
+ .byte 25 # DW_FORM_flag_present
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 5 # 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 6 # 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 0 # EOM(3)
+ .section .debug_rnglists.dwo,"e", at progbits
+ .long .Ldebug_list_header_end1-.Ldebug_list_header_start1 # Length
+.Ldebug_list_header_start1:
+ .short 5 # Version
+ .byte 8 # Address size
+ .byte 0 # Segment selector size
+ .long 1 # Offset entry count
+.Lrnglists_dwo_table_base0:
+ .long .Ldebug_ranges0-.Lrnglists_dwo_table_base0
+.Ldebug_ranges0:
+ .byte 3 # DW_RLE_startx_length
+ .byte 0 # start index
+ .uleb128 .LBB_END0_1-_Z12doStuffOtheri.__part.1 # length
+ .byte 3 # DW_RLE_startx_length
+ .byte 1 # start index
+ .uleb128 .LBB_END0_2-_Z12doStuffOtheri.__part.2 # length
+ .byte 3 # DW_RLE_startx_length
+ .byte 2 # start index
+ .uleb128 .Lfunc_end0-.Lfunc_begin0 # length
+ .byte 0 # DW_RLE_end_of_list
+.Ldebug_list_header_end1:
+ .section .debug_addr,"", at 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 _Z12doStuffOtheri.__part.1
+ .quad _Z12doStuffOtheri.__part.2
+ .quad .Lfunc_begin0
+ .quad .Lfunc_begin1
+.Ldebug_addr_end0:
+ .section .debug_gnu_pubnames,"", at 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 26 # DIE offset
+ .byte 48 # Attributes: FUNCTION, EXTERNAL
+ .asciz "doStuffOther" # External Name
+ .long 50 # DIE offset
+ .byte 48 # Attributes: FUNCTION, EXTERNAL
+ .asciz "doStuffOther2" # External Name
+ .long 0 # End Mark
+.LpubNames_end0:
+ .section .debug_gnu_pubtypes,"", at 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 89 # DIE offset
+ .byte 144 # Attributes: TYPE, STATIC
+ .asciz "int" # External Name
+ .long 0 # End Mark
+.LpubTypes_end0:
+ .ident "clang version 19.0.0git (git at github.com:llvm/llvm-project.git df542e1ed82bd4e5a9e345d3a3ae63a76893a0cf)"
+ .section ".note.GNU-stack","", at progbits
+ .addrsig
+ .section .debug_line,"", at progbits
+.Lline_table_start0:
diff --git a/bolt/test/X86/dwarf5-df-input-lowpc-ranges-cus.test b/bolt/test/X86/dwarf5-df-input-lowpc-ranges-cus.test
new file mode 100644
index 0000000000000..838513afadc4c
--- /dev/null
+++ b/bolt/test/X86/dwarf5-df-input-lowpc-ranges-cus.test
@@ -0,0 +1,73 @@
+; RUN: rm -rf %t
+; RUN: mkdir %t
+; RUN: cd %t
+; RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf5-df-input-lowpc-ranges-main.s \
+; RUN: -split-dwarf-file=main.dwo -o main.o
+; RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf5-df-input-lowpc-ranges-other.s \
+; RUN: -split-dwarf-file=mainOther.dwo -o other.o
+; RUN: %clang %cflags -gdwarf-4 -gsplit-dwarf=split main.o other.o -o main.exe
+; RUN: llvm-bolt main.exe -o main.exe.bolt --update-debug-sections
+; RUN: llvm-dwarfdump --show-form --verbose --debug-rnglists main.exe.bolt &> %t/foo.txt
+; RUN: llvm-dwarfdump --show-form --verbose --debug-addr main.exe.bolt >> %t/foo.txt
+; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.exe.bolt >> %t/foo.txt
+; RUN: cat %t/foo.txt | FileCheck -check-prefix=BOLT %s
+; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.dwo.dwo mainOther.dwo &> %t/mainddwodwo.txt
+; RUN: cat %t/mainddwodwo.txt | FileCheck -check-prefix=BOLT-DWO-MAIN %s
+
+;; Tests BOLT handles correctly Skeleton CU which has DW_AT_low_pc/DW_AT_ranges as input and handles multiple CUs with ranges.
+
+; BOLT: Addrs: [
+; BOLT-NEXT: 0x[[#%.16x,ADDR1:]]
+; BOLT-NEXT: 0x[[#%.16x,ADDR2:]]
+; BOLT-NEXT: 0x[[#%.16x,ADDR3:]]
+; BOLT-NEXT: 0x[[#%.16x,ADDR4:]]
+; BOLT-NEXT: 0x[[#%.16x,ADDR5:]]
+
+; BOLT: Addrs: [
+; BOLT-NEXT: 0x[[#%.16x,ADDR6:]]
+; BOLT-NEXT: 0x[[#%.16x,ADDR7:]]
+
+; BOLT: DW_TAG_skeleton_unit
+; BOLT: DW_AT_dwo_name [DW_FORM_strx1] (indexed (00000001) string = "main.dwo.dwo")
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x00000010
+; BOLT-NEXT: [0x[[#ADDR1]], 0x[[#ADDR1 + 0x16]])
+; BOLT-NEXT: [0x[[#ADDR1 + 0x16]], 0x[[#ADDR1 + 0x24]])
+; BOLT-NEXT: [0x[[#ADDR1 + 0x24]], 0x[[#ADDR1 + 0x29]])
+; BOLT-NEXT: [0x[[#ADDR1 + 0x30]], 0x[[#ADDR1 + 0x46]])
+; BOLT-NEXT: [0x[[#ADDR1 + 0x50]], 0x[[#ADDR1 + 0x77]])
+; BOLT-NEXT: [0x[[#ADDR1 + 0x77]], 0x[[#ADDR1 + 0x85]])
+; BOLT-NEXT: [0x[[#ADDR1 + 0x85]], 0x[[#ADDR1 + 0x9f]])
+; BOLT-NEXT: DW_AT_addr_base [DW_FORM_sec_offset] (0x00000008)
+; BOLT-NEXT: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000c)
+
+; BOLT: DW_TAG_skeleton_unit
+; BOLT: DW_AT_dwo_name [DW_FORM_strx1] (indexed (00000001) string = "mainOther.dwo.dwo")
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x0000003b
+; BOLT-NEXT: [0x[[#ADDR6]], 0x[[#ADDR6 + 0x16]])
+; BOLT-NEXT: [0x[[#ADDR6 + 0x16]], 0x[[#ADDR6 + 0x24]])
+; BOLT-NEXT: [0x[[#ADDR6 + 0x24]], 0x[[#ADDR6 + 0x29]])
+; BOLT-NEXT: [0x[[#ADDR6 + 0x30]], 0x[[#ADDR6 + 0x46]])
+; BOLT-NEXT: DW_AT_addr_base [DW_FORM_sec_offset] (0x00000038)
+; BOLT-NEXT: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x00000037)
+
+; BOLT-DWO-MAIN: DW_TAG_subprogram
+; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x00000014
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000000, 0x0000000000000016)
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000016, 0x0000000000000024)
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000024, 0x0000000000000029))
+; BOLT-DWO-MAIN: DW_TAG_subprogram
+; BOLT-DWO-MAIN: DW_TAG_subprogram
+; BOLT-DWO-MAIN: DW_TAG_subprogram
+; BOLT-DWO-MAIN: DW_TAG_subprogram
+; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x1) rangelist = 0x00000020
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000002, 0x0000000000000029)
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000029, 0x0000000000000037)
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000037, 0x0000000000000051))
+
+; BOLT-DWO-MAIN: DW_TAG_subprogram
+; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x00000010
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000000, 0x000000000000000e)
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000000, 0x0000000000000005)
+; BOLT-DWO-MAIN-NEXT: [0x0000000000000000, 0x0000000000000016))
diff --git a/bolt/test/X86/dwarf5-df-input-lowpc-ranges.test b/bolt/test/X86/dwarf5-df-input-lowpc-ranges.test
index 1867f49a52045..2c7856bf9a970 100644
--- a/bolt/test/X86/dwarf5-df-input-lowpc-ranges.test
+++ b/bolt/test/X86/dwarf5-df-input-lowpc-ranges.test
@@ -12,7 +12,7 @@
; RUN: llvm-dwarfdump --show-form --verbose --debug-info main.dwo.dwo &> %t/mainddwodwo.txt
; RUN: cat %t/mainddwodwo.txt | FileCheck -check-prefix=BOLT-DWO-MAIN %s
-; Tests BOLT handles correctly Skeleton CU which has DW_AT_low_pc/DW_AT_ranges as input.
+;; Tests BOLT handles correctly Skeleton CU which has DW_AT_low_pc/DW_AT_ranges as input.
; BOLT: Addrs: [
; BOLT-NEXT: 0x[[#%.16x,ADDR1:]]
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