[llvm] [DWARF][BOLT][NFC] Adds test that mixes input (PR #97838)
Sayhaan Siddiqui via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 5 10:43:40 PDT 2024
https://github.com/sayhaan created https://github.com/llvm/llvm-project/pull/97838
Adds test that mixes input between low_pc/high_pc and low_pc/ranges
>From 579b031ea0a69ba920d752825eaa824d8b67953a Mon Sep 17 00:00:00 2001
From: Sayhaan Siddiqui <sayhaan at meta.com>
Date: Fri, 28 Jun 2024 11:08:41 -0700
Subject: [PATCH] Test that mixes input
Summary:
Test Plan:
Reviewers:
Subscribers:
Tasks:
Tags:
Differential Revision: https://phabricator.intern.facebook.com/D59175262
---
.../dwarf4-df-input-lowpc-ranges-cus-other.s | 604 ++++++++++++++++++
...4-df-input-lowpc-ranges-cus-no-blocks.test | 82 +++
2 files changed, 686 insertions(+)
create mode 100644 bolt/test/X86/Inputs/dwarf4-df-input-lowpc-ranges-cus-other.s
create mode 100644 bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus-no-blocks.test
diff --git a/bolt/test/X86/Inputs/dwarf4-df-input-lowpc-ranges-cus-other.s b/bolt/test/X86/Inputs/dwarf4-df-input-lowpc-ranges-cus-other.s
new file mode 100644
index 0000000000000..da276b7340bfa
--- /dev/null
+++ b/bolt/test/X86/Inputs/dwarf4-df-input-lowpc-ranges-cus-other.s
@@ -0,0 +1,604 @@
+## clang++ -g2 -gdwarf-4 -gsplit-dwarf -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"
+ .globl _Z12doStuffOtheri # -- Begin function _Z12doStuffOtheri
+ .p2align 4, 0x90
+ .type _Z12doStuffOtheri, at function
+_Z12doStuffOtheri: # @_Z12doStuffOtheri
+.Lfunc_begin0:
+ .file 1 "." "mainOther.cpp"
+ .loc 1 2 0 # mainOther.cpp:2:0
+ .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 1 3 7 prologue_end # mainOther.cpp:3:7
+ cmpl $0, -4(%rbp)
+.Ltmp1:
+ .loc 1 3 7 is_stmt 0 # mainOther.cpp:3:7
+ je .LBB0_2
+# %bb.1: # %if.then
+.Ltmp2:
+ .loc 1 4 5 is_stmt 1 # mainOther.cpp:4:5
+ movl -4(%rbp), %eax
+ addl $1, %eax
+ movl %eax, -4(%rbp)
+.Ltmp3:
+.LBB0_2: # %if.end
+ .loc 1 5 10 # mainOther.cpp:5:10
+ movl -4(%rbp), %eax
+ .loc 1 5 3 epilogue_begin is_stmt 0 # mainOther.cpp:5:3
+ popq %rbp
+ .cfi_def_cfa %rsp, 8
+ retq
+.Ltmp4:
+.Lfunc_end0:
+ .size _Z12doStuffOtheri, .Lfunc_end0-_Z12doStuffOtheri
+ .cfi_endproc
+ # -- End function
+ .globl _Z13doStuffOther2i # -- Begin function _Z13doStuffOther2i
+ .p2align 4, 0x90
+ .type _Z13doStuffOther2i, at function
+_Z13doStuffOther2i: # @_Z13doStuffOther2i
+.Lfunc_begin1:
+ .loc 1 8 0 is_stmt 1 # mainOther.cpp:8:0
+ .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)
+.Ltmp5:
+ .loc 1 9 7 prologue_end # mainOther.cpp:9:7
+ movl $3, -8(%rbp)
+ .loc 1 10 10 # mainOther.cpp:10:10
+ movl -4(%rbp), %eax
+ .loc 1 10 14 is_stmt 0 # mainOther.cpp:10:14
+ addl -8(%rbp), %eax
+ .loc 1 10 3 epilogue_begin # mainOther.cpp:10:3
+ popq %rbp
+ .cfi_def_cfa %rsp, 8
+ retq
+.Ltmp6:
+.Lfunc_end1:
+ .size _Z13doStuffOther2i, .Lfunc_end1-_Z13doStuffOther2i
+ .cfi_endproc
+ # -- End function
+ .globl _Z9mainOtheriPPKc # -- Begin function _Z9mainOtheriPPKc
+ .p2align 4, 0x90
+ .type _Z9mainOtheriPPKc, at function
+_Z9mainOtheriPPKc: # @_Z9mainOtheriPPKc
+.Lfunc_begin2:
+ .loc 1 13 0 is_stmt 1 # mainOther.cpp:13:0
+ .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, -16(%rbp)
+ movq %rsi, -24(%rbp)
+.Ltmp7:
+ .loc 1 14 25 prologue_end # mainOther.cpp:14:25
+ movl -16(%rbp), %eax
+ movl %eax, -12(%rbp)
+.Ltmp8:
+ .loc 1 3 7 # mainOther.cpp:3:7
+ cmpl $0, -12(%rbp)
+.Ltmp9:
+ .loc 1 3 7 is_stmt 0 # mainOther.cpp:3:7
+ je .LBB2_2
+# %bb.1: # %if.then.i
+.Ltmp10:
+ .loc 1 4 5 is_stmt 1 # mainOther.cpp:4:5
+ movl -12(%rbp), %eax
+ addl $1, %eax
+ movl %eax, -12(%rbp)
+.Ltmp11:
+.LBB2_2: # %_Z12doStuffOtheri.exit
+ .loc 1 5 10 # mainOther.cpp:5:10
+ movl -12(%rbp), %eax
+.Ltmp12:
+ .loc 1 14 47 # mainOther.cpp:14:47
+ movl -16(%rbp), %ecx
+ movl %ecx, -4(%rbp)
+.Ltmp13:
+ .loc 1 9 7 # mainOther.cpp:9:7
+ movl $3, -8(%rbp)
+ .loc 1 10 10 # mainOther.cpp:10:10
+ movl -4(%rbp), %ecx
+ .loc 1 10 14 is_stmt 0 # mainOther.cpp:10:14
+ addl -8(%rbp), %ecx
+.Ltmp14:
+ .loc 1 14 31 is_stmt 1 # mainOther.cpp:14:31
+ addl %ecx, %eax
+ .loc 1 14 5 epilogue_begin is_stmt 0 # mainOther.cpp:14:5
+ popq %rbp
+ .cfi_def_cfa %rsp, 8
+ retq
+.Ltmp15:
+.Lfunc_end2:
+ .size _Z9mainOtheriPPKc, .Lfunc_end2-_Z9mainOtheriPPKc
+ .cfi_endproc
+ # -- End function
+ .section .debug_abbrev,"", at 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,"", at 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 -1082921489565291703 # DW_AT_GNU_dwo_id
+ .quad .Lfunc_begin0 # DW_AT_low_pc
+ .long .Lfunc_end2-.Lfunc_begin0 # DW_AT_high_pc
+ .long .Laddr_table_base0 # DW_AT_GNU_addr_base
+.Ldebug_info_end0:
+ .section .debug_str,"MS", at progbits,1
+.Lskel_string0:
+ .asciz "." # string offset=0
+.Lskel_string1:
+ .asciz "mainOther.dwo" # string offset=2
+ .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 "val" # string offset=35
+.Linfo_string4:
+ .asciz "_Z13doStuffOther2i" # string offset=39
+.Linfo_string5:
+ .asciz "doStuffOther2" # string offset=58
+.Linfo_string6:
+ .asciz "foo" # string offset=72
+.Linfo_string7:
+ .asciz "_Z9mainOtheriPPKc" # string offset=76
+.Linfo_string8:
+ .asciz "mainOther" # string offset=94
+.Linfo_string9:
+ .asciz "argc" # string offset=104
+.Linfo_string10:
+ .asciz "argv" # string offset=109
+.Linfo_string11:
+ .asciz "char" # string offset=114
+.Linfo_string12:
+ .asciz "clang version 19.0.0git (git at github.com:llvm/llvm-project.git df542e1ed82bd4e5a9e345d3a3ae63a76893a0cf)" # string offset=119
+.Linfo_string13:
+ .asciz "mainOther.cpp" # string offset=223
+.Linfo_string14:
+ .asciz "mainOther.dwo" # string offset=237
+ .section .debug_str_offsets.dwo,"e", at progbits
+ .long 0
+ .long 18
+ .long 31
+ .long 35
+ .long 39
+ .long 58
+ .long 72
+ .long 76
+ .long 94
+ .long 104
+ .long 109
+ .long 114
+ .long 119
+ .long 223
+ .long 237
+ .section .debug_info.dwo,"e", at 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:0xe1 DW_TAG_compile_unit
+ .byte 12 # DW_AT_producer
+ .short 33 # DW_AT_language
+ .byte 13 # DW_AT_name
+ .byte 14 # DW_AT_GNU_dwo_name
+ .quad -1082921489565291703 # DW_AT_GNU_dwo_id
+ .byte 2 # Abbrev [2] 0x19:0x15 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 86
+ .long 75 # DW_AT_abstract_origin
+ .byte 3 # Abbrev [3] 0x25:0x8 DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 124
+ .long 85 # DW_AT_abstract_origin
+ .byte 0 # End Of Children Mark
+ .byte 2 # Abbrev [2] 0x2e:0x1d 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 86
+ .long 98 # DW_AT_abstract_origin
+ .byte 3 # Abbrev [3] 0x3a:0x8 DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 124
+ .long 108 # DW_AT_abstract_origin
+ .byte 4 # Abbrev [4] 0x42:0x8 DW_TAG_variable
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 120
+ .long 116 # DW_AT_abstract_origin
+ .byte 0 # End Of Children Mark
+ .byte 5 # Abbrev [5] 0x4b:0x13 DW_TAG_subprogram
+ .byte 0 # DW_AT_linkage_name
+ .byte 1 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 2 # DW_AT_decl_line
+ .long 94 # DW_AT_type
+ # DW_AT_external
+ .byte 1 # DW_AT_inline
+ .byte 6 # Abbrev [6] 0x55:0x8 DW_TAG_formal_parameter
+ .byte 3 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 2 # DW_AT_decl_line
+ .long 94 # DW_AT_type
+ .byte 0 # End Of Children Mark
+ .byte 7 # Abbrev [7] 0x5e:0x4 DW_TAG_base_type
+ .byte 2 # DW_AT_name
+ .byte 5 # DW_AT_encoding
+ .byte 4 # DW_AT_byte_size
+ .byte 5 # Abbrev [5] 0x62:0x1b DW_TAG_subprogram
+ .byte 4 # DW_AT_linkage_name
+ .byte 5 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 8 # DW_AT_decl_line
+ .long 94 # DW_AT_type
+ # DW_AT_external
+ .byte 1 # DW_AT_inline
+ .byte 6 # Abbrev [6] 0x6c:0x8 DW_TAG_formal_parameter
+ .byte 3 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 8 # DW_AT_decl_line
+ .long 94 # DW_AT_type
+ .byte 8 # Abbrev [8] 0x74:0x8 DW_TAG_variable
+ .byte 6 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 9 # DW_AT_decl_line
+ .long 94 # DW_AT_type
+ .byte 0 # End Of Children Mark
+ .byte 9 # Abbrev [9] 0x7d:0x5b DW_TAG_subprogram
+ .byte 2 # DW_AT_low_pc
+ .long .Lfunc_end2-.Lfunc_begin2 # DW_AT_high_pc
+ .byte 1 # DW_AT_frame_base
+ .byte 86
+ .byte 7 # DW_AT_linkage_name
+ .byte 8 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 13 # DW_AT_decl_line
+ .long 94 # DW_AT_type
+ # DW_AT_external
+ .byte 10 # Abbrev [10] 0x8d:0xb DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 112
+ .byte 9 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 13 # DW_AT_decl_line
+ .long 94 # DW_AT_type
+ .byte 10 # Abbrev [10] 0x98:0xb DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 104
+ .byte 10 # DW_AT_name
+ .byte 1 # DW_AT_decl_file
+ .byte 13 # DW_AT_decl_line
+ .long 216 # DW_AT_type
+ .byte 11 # Abbrev [11] 0xa3:0x16 DW_TAG_inlined_subroutine
+ .long 75 # DW_AT_abstract_origin
+ .byte 3 # DW_AT_low_pc
+ .long .Ltmp12-.Ltmp8 # DW_AT_high_pc
+ .byte 1 # DW_AT_call_file
+ .byte 14 # DW_AT_call_line
+ .byte 12 # DW_AT_call_column
+ .byte 3 # Abbrev [3] 0xb0:0x8 DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 116
+ .long 85 # DW_AT_abstract_origin
+ .byte 0 # End Of Children Mark
+ .byte 11 # Abbrev [11] 0xb9:0x1e DW_TAG_inlined_subroutine
+ .long 98 # DW_AT_abstract_origin
+ .byte 4 # DW_AT_low_pc
+ .long .Ltmp14-.Ltmp13 # DW_AT_high_pc
+ .byte 1 # DW_AT_call_file
+ .byte 14 # DW_AT_call_line
+ .byte 33 # DW_AT_call_column
+ .byte 3 # Abbrev [3] 0xc6:0x8 DW_TAG_formal_parameter
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 124
+ .long 108 # DW_AT_abstract_origin
+ .byte 4 # Abbrev [4] 0xce:0x8 DW_TAG_variable
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 120
+ .long 116 # DW_AT_abstract_origin
+ .byte 0 # End Of Children Mark
+ .byte 0 # End Of Children Mark
+ .byte 12 # Abbrev [12] 0xd8:0x5 DW_TAG_pointer_type
+ .long 221 # DW_AT_type
+ .byte 12 # Abbrev [12] 0xdd:0x5 DW_TAG_pointer_type
+ .long 226 # DW_AT_type
+ .byte 13 # Abbrev [13] 0xe2:0x5 DW_TAG_const_type
+ .long 231 # DW_AT_type
+ .byte 7 # Abbrev [7] 0xe7:0x4 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_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
+ .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 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
+ .byte 49 # DW_AT_abstract_origin
+ .byte 19 # DW_FORM_ref4
+ .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 49 # DW_AT_abstract_origin
+ .byte 19 # DW_FORM_ref4
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 4 # Abbreviation Code
+ .byte 52 # DW_TAG_variable
+ .byte 0 # DW_CHILDREN_no
+ .byte 2 # DW_AT_location
+ .byte 24 # DW_FORM_exprloc
+ .byte 49 # DW_AT_abstract_origin
+ .byte 19 # DW_FORM_ref4
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 5 # 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 63 # DW_AT_external
+ .byte 25 # DW_FORM_flag_present
+ .byte 32 # DW_AT_inline
+ .byte 11 # DW_FORM_data1
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 6 # Abbreviation Code
+ .byte 5 # DW_TAG_formal_parameter
+ .byte 0 # DW_CHILDREN_no
+ .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 7 # 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 8 # 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 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 9 # 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
+ .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 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 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 11 # Abbreviation Code
+ .byte 29 # DW_TAG_inlined_subroutine
+ .byte 1 # DW_CHILDREN_yes
+ .byte 49 # DW_AT_abstract_origin
+ .byte 19 # DW_FORM_ref4
+ .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 88 # DW_AT_call_file
+ .byte 11 # DW_FORM_data1
+ .byte 89 # DW_AT_call_line
+ .byte 11 # DW_FORM_data1
+ .byte 87 # DW_AT_call_column
+ .byte 11 # DW_FORM_data1
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 12 # 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 13 # Abbreviation Code
+ .byte 38 # DW_TAG_const_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,"", at progbits
+.Laddr_table_base0:
+ .quad .Lfunc_begin0
+ .quad .Lfunc_begin1
+ .quad .Lfunc_begin2
+ .quad .Ltmp8
+ .quad .Ltmp13
+ .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 75 # DIE offset
+ .byte 48 # Attributes: FUNCTION, EXTERNAL
+ .asciz "doStuffOther" # External Name
+ .long 98 # DIE offset
+ .byte 48 # Attributes: FUNCTION, EXTERNAL
+ .asciz "doStuffOther2" # External Name
+ .long 125 # DIE offset
+ .byte 48 # Attributes: FUNCTION, EXTERNAL
+ .asciz "mainOther" # 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 94 # DIE offset
+ .byte 144 # Attributes: TYPE, STATIC
+ .asciz "int" # External Name
+ .long 231 # DIE offset
+ .byte 144 # Attributes: TYPE, STATIC
+ .asciz "char" # 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/dwarf4-df-input-lowpc-ranges-cus-no-blocks.test b/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus-no-blocks.test
new file mode 100644
index 0000000000000..b87ed77ad512d
--- /dev/null
+++ b/bolt/test/X86/dwarf4-df-input-lowpc-ranges-cus-no-blocks.test
@@ -0,0 +1,82 @@
+; RUN: rm -rf %t
+; RUN: mkdir %t
+; RUN: cd %t
+; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-input-lowpc-ranges-main.s \
+; RUN: -split-dwarf-file=main.dwo -o main.o
+; RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-df-input-lowpc-ranges-cus-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-ranges 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: not llvm-dwarfdump --show-form --verbose --debug-info main.dwo.dwo mainOther.dwo.dwo &> %t/mainddwodwo.txt
+; RUN: cat %t/mainddwodwo.txt | FileCheck -check-prefix=BOLT-DWO-MAIN %s
+
+;; Tests that BOLT correctly handles mixed input with DW_AT_high_pc/DW_at_low_pc and DW_AT_low_pc/DW_AT_ranges.
+
+; BOLT: .debug_ranges
+; BOLT-NEXT: 00000000 <End of list>
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR1:]] [[#%.16x,ADDRB1:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR2:]] [[#%.16x,ADDRB2:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR3:]] [[#%.16x,ADDRB3:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR4:]] [[#%.16x,ADDRB4:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR5:]] [[#%.16x,ADDRB5:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR6:]] [[#%.16x,ADDRB6:]]
+; BOLT-NEXT: 00000010 [[#%.16x,ADDR7:]] [[#%.16x,ADDRB7:]]
+; BOLT-NEXT: 00000010 <End of list>
+; BOLT-NEXT: 00000090 <End of list>
+; BOLT-NEXT: 000000a0 [[#%.16x,ADDR1:]] [[#%.16x,ADDRB1:]]
+; BOLT-NEXT: 000000a0 [[#%.16x,ADDR2:]] [[#%.16x,ADDRB2:]]
+; BOLT-NEXT: 000000a0 [[#%.16x,ADDR3:]] [[#%.16x,ADDRB3:]]
+; BOLT-NEXT: 000000a0 <End of list>
+; BOLT-NEXT: 000000e0 [[#%.16x,ADDR5:]] [[#%.16x,ADDRB5:]]
+; BOLT-NEXT: 000000e0 [[#%.16x,ADDR6:]] [[#%.16x,ADDRB6:]]
+; BOLT-NEXT: 000000e0 [[#%.16x,ADDR7:]] [[#%.16x,ADDRB7:]]
+; BOLT-NEXT: 000000e0 <End of list>
+; BOLT-NEXT: 00000120 [[#%.16x,ADDR8:]] [[#%.16x,ADDRB8:]]
+; BOLT-NEXT: 00000120 [[#%.16x,ADDR9:]] [[#%.16x,ADDRB9:]]
+; BOLT-NEXT: 00000120 [[#%.16x,ADDR10:]] [[#%.16x,ADDRB10:]]
+; BOLT-NEXT: 00000120 <End of list>
+; BOLT-NEXT: 00000160 <End of list>
+
+; BOLT: DW_TAG_compile_unit
+; BOLT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-fA-F]+}}] = "main.dwo.dwo")
+; BOLT-NEXT: DW_AT_GNU_dwo_id
+; BOLT-NEXT: DW_AT_GNU_ranges_base [DW_FORM_sec_offset] (0x00000090)
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000010
+; BOLT-NEXT: [0x[[#ADDR1]], 0x[[#ADDRB1]])
+; BOLT-NEXT: [0x[[#ADDR2]], 0x[[#ADDRB2]])
+; BOLT-NEXT: [0x[[#ADDR3]], 0x[[#ADDRB3]])
+; BOLT-NEXT: [0x[[#ADDR4]], 0x[[#ADDRB4]])
+; BOLT-NEXT: [0x[[#ADDR5]], 0x[[#ADDRB5]])
+; BOLT-NEXT: [0x[[#ADDR6]], 0x[[#ADDRB6]])
+; BOLT-NEXT: [0x[[#ADDR7]], 0x[[#ADDRB7]])
+; BOLT-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset] (0x00000000)
+; BOLT-NEXT: Compile Unit
+
+; BOLT: DW_TAG_compile_unit
+; BOLT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-fA-F]+}}] = "mainOther.dwo.dwo")
+; BOLT-NEXT: DW_AT_GNU_dwo_id
+; BOLT-NEXT: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
+; BOLT-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000120
+; BOLT-NEXT: [0x[[#ADDR8]], 0x[[#ADDRB8]])
+; BOLT-NEXT: [0x[[#ADDR9]], 0x[[#ADDRB9]])
+; BOLT-NEXT: [0x[[#ADDR10]], 0x[[#ADDRB10]])
+; BOLT-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset] (0x00000018)
+; BOLT-NEXT: DW_AT_GNU_ranges_base [DW_FORM_sec_offset] (0x00000160)
+; BOLT: {{^$}}
+
+; 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: DW_TAG_subprogram
+; BOLT-DWO-MAIN-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000050
+
+; 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: DW_TAG_subprogram
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