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Diffstat (limited to 'bolt/test/X86/dwarf5-label-low-pc.s')
-rw-r--r--bolt/test/X86/dwarf5-label-low-pc.s302
1 files changed, 302 insertions, 0 deletions
diff --git a/bolt/test/X86/dwarf5-label-low-pc.s b/bolt/test/X86/dwarf5-label-low-pc.s
new file mode 100644
index 000000000000..fbcbbe052437
--- /dev/null
+++ b/bolt/test/X86/dwarf5-label-low-pc.s
@@ -0,0 +1,302 @@
+
+# REQUIRES: system-linux
+
+# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o
+# RUN: %clang %cflags -dwarf-5 %tmain.o -o %t.exe -Wl,-q
+# RUN: llvm-bolt %t.exe -o %t.bolt -update-debug-sections
+# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s
+
+# RUN: llvm-dwarfdump --show-form --verbose --debug-addr %t.bolt > %t.txt
+# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt >> %t.txt
+
+# This test checks that we correctly handle DW_AT_low_pc [DW_FORM_addrx] that is part of DW_TAG_label.
+
+# PRECHECK: version = 0x0005
+# PRECHECK: DW_TAG_label
+# PRECHECK-NEXT: DW_AT_name
+# PRECHECK-NEXT: DW_AT_decl_file
+# PRECHECK-NEXT: DW_AT_decl_line
+# PRECHECK-NEXT:DW_AT_low_pc [DW_FORM_addrx] (indexed (00000001)
+# PRECHECK: DW_TAG_label
+# PRECHECK-NEXT: DW_AT_name
+# PRECHECK-NEXT: DW_AT_decl_file
+# PRECHECK-NEXT: DW_AT_decl_line
+# PRECHECK-NEXT:DW_AT_low_pc [DW_FORM_addrx] (indexed (00000002)
+
+
+# POSTCHECK: Addrs: [
+# POSTCHECK-NEXT: 0x
+# POSTCHECK-NEXT: 0x
+# POSTCHECK-NEXT: 0x[[#%.16x,ADDR:]]
+# POSTCHECK-NEXT: 0x[[#%.16x,ADDR2:]]
+
+# POSTCHECK: version = 0x0005
+# POSTCHECK: DW_TAG_label
+# POSTCHECK-NEXT: DW_AT_name
+# POSTCHECK-NEXT: DW_AT_decl_file
+# POSTCHECK-NEXT: DW_AT_decl_line
+# POSTCHECK-NEXT:
+# POSTCHECK-NEXT:DW_AT_low_pc [DW_FORM_addrx] (indexed (00000002)
+# POSTCHECK-SAME: [0x[[#ADDR]]
+# POSTCHECK: DW_TAG_label
+# POSTCHECK-NEXT: DW_AT_name
+# POSTCHECK-NEXT: DW_AT_decl_file
+# POSTCHECK-NEXT: DW_AT_decl_line
+# POSTCHECK-NEXT:
+# POSTCHECK-NEXT:DW_AT_low_pc [DW_FORM_addrx] (indexed (00000003)
+# POSTCHECK-SAME: [0x[[#ADDR2]]
+
+# clang++ main.cpp -g -S
+# int main() {
+# int a = 4;
+# if (a == 5)
+# goto LABEL1;
+# else
+# goto LABEL2;
+# LABEL1:a++;
+# LABEL2:a--;
+# return 0;
+# }
+
+ .text
+ .file "main.cpp"
+ .globl main # -- Begin function main
+ .p2align 4, 0x90
+ .type main,@function
+main: # @main
+.Lfunc_begin0:
+ .file 0 "/testLabel" "main.cpp" md5 0xa0bd66020d06f1303de7008e3c542050
+ .loc 0 1 0 # main.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 $0, -4(%rbp)
+.Ltmp0:
+ .loc 0 2 7 prologue_end # main.cpp:2:7
+ movl $4, -8(%rbp)
+.Ltmp1:
+ .loc 0 3 9 # main.cpp:3:9
+ cmpl $5, -8(%rbp)
+.Ltmp2:
+ .loc 0 3 7 is_stmt 0 # main.cpp:3:7
+ jne .LBB0_2
+# %bb.1: # %if.then
+.Ltmp3:
+ .loc 0 4 5 is_stmt 1 # main.cpp:4:5
+ jmp .LBB0_3
+.LBB0_2: # %if.else
+ .loc 0 6 5 # main.cpp:6:5
+ jmp .LBB0_4
+.Ltmp4:
+.LBB0_3: # %LABEL1
+ #DEBUG_LABEL: main:LABEL1
+ .loc 0 7 11 # main.cpp:7:11
+ movl -8(%rbp), %eax
+ addl $1, %eax
+ movl %eax, -8(%rbp)
+.LBB0_4: # %LABEL2
+.Ltmp5:
+ #DEBUG_LABEL: main:LABEL2
+ .loc 0 8 11 # main.cpp:8:11
+ movl -8(%rbp), %eax
+ addl $-1, %eax
+ movl %eax, -8(%rbp)
+ .loc 0 9 3 # main.cpp:9:3
+ xorl %eax, %eax
+ popq %rbp
+ .cfi_def_cfa %rsp, 8
+ retq
+.Ltmp6:
+.Lfunc_end0:
+ .size main, .Lfunc_end0-main
+ .cfi_endproc
+ # -- End function
+ .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
+ .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 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 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 4 # Abbreviation Code
+ .byte 10 # DW_TAG_label
+ .byte 0 # DW_CHILDREN_no
+ .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 17 # DW_AT_low_pc
+ .byte 27 # DW_FORM_addrx
+ .byte 0 # EOM(1)
+ .byte 0 # EOM(2)
+ .byte 5 # 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_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:0x41 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_end0-.Lfunc_begin0 # DW_AT_high_pc
+ .long .Laddr_table_base0 # DW_AT_addr_base
+ .byte 2 # Abbrev [2] 0x23:0x25 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
+ .byte 3 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 1 # DW_AT_decl_line
+ .long 72 # DW_AT_type
+ # DW_AT_external
+ .byte 3 # Abbrev [3] 0x32:0xb DW_TAG_variable
+ .byte 2 # DW_AT_location
+ .byte 145
+ .byte 120
+ .byte 5 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 2 # DW_AT_decl_line
+ .long 72 # DW_AT_type
+ .byte 4 # Abbrev [4] 0x3d:0x5 DW_TAG_label
+ .byte 6 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 7 # DW_AT_decl_line
+ .byte 1 # DW_AT_low_pc
+ .byte 4 # Abbrev [4] 0x42:0x5 DW_TAG_label
+ .byte 7 # DW_AT_name
+ .byte 0 # DW_AT_decl_file
+ .byte 8 # DW_AT_decl_line
+ .byte 2 # DW_AT_low_pc
+ .byte 0 # End Of Children Mark
+ .byte 5 # Abbrev [5] 0x48:0x4 DW_TAG_base_type
+ .byte 4 # DW_AT_name
+ .byte 5 # DW_AT_encoding
+ .byte 4 # DW_AT_byte_size
+ .byte 0 # End Of Children Mark
+.Ldebug_info_end0:
+ .section .debug_str_offsets,"",@progbits
+ .long 36 # Length of String Offsets Set
+ .short 5
+ .short 0
+.Lstr_offsets_base0:
+ .section .debug_str,"MS",@progbits,1
+.Linfo_string0:
+ .asciz "clang version 15.0.0" # string offset=0
+.Linfo_string1:
+ .asciz "main.cpp" # string offset=134
+.Linfo_string2:
+ .asciz "/testLabel" # string offset=143
+.Linfo_string3:
+ .asciz "main" # string offset=190
+.Linfo_string4:
+ .asciz "int" # string offset=195
+.Linfo_string5:
+ .asciz "a" # string offset=199
+.Linfo_string6:
+ .asciz "LABEL1" # string offset=201
+.Linfo_string7:
+ .asciz "LABEL2" # string offset=208
+ .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
+ .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 .Ltmp4
+ .quad .Ltmp5
+.Ldebug_addr_end0:
+ .ident "clang version 15.0.0"
+ .section ".note.GNU-stack","",@progbits
+ .addrsig
+ .section .debug_line,"",@progbits
+.Lline_table_start0:
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-27 17:56:30 +0300