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      1 ; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
      2 ; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
      3 ; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=OBJ %s
      4 ; RUN: llvm-objdump -h %t | FileCheck --check-prefix=HDR %s
      5 
      6 @a = common global i32 0, align 4
      7 
      8 !llvm.dbg.cu = !{!0}
      9 !llvm.module.flags = !{!9}
     10 
     11 !0 = metadata !{i32 786449, metadata !8, i32 12, metadata !"clang version 3.3 (trunk 169021) (llvm/trunk 169020)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !3,  metadata !1, metadata !"baz.dwo"} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/baz.c] [DW_LANG_C99]
     12 !1 = metadata !{}
     13 !3 = metadata !{metadata !5}
     14 !5 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !6, i32 1, metadata !7, i32 0, i32 1, i32* @a, null} ; [ DW_TAG_variable ] [a] [line 1] [def]
     15 !6 = metadata !{i32 786473, metadata !8} ; [ DW_TAG_file_type ]
     16 !7 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
     17 !8 = metadata !{metadata !"baz.c", metadata !"/usr/local/google/home/echristo/tmp"}
     18 
     19 ; Check that the skeleton compile unit contains the proper attributes:
     20 ; This DIE has the following attributes: DW_AT_comp_dir, DW_AT_stmt_list,
     21 ; DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges, DW_AT_dwo_name, DW_AT_dwo_id,
     22 ; DW_AT_ranges_base, DW_AT_addr_base.
     23 
     24 ; CHECK: .debug_abbrev contents:
     25 ; CHECK: Abbrev table for offset: 0x00000000
     26 ; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_no
     27 ; CHECK: DW_AT_stmt_list DW_FORM_sec_offset
     28 ; CHECK: DW_AT_GNU_dwo_name      DW_FORM_strp
     29 ; CHECK: DW_AT_comp_dir  DW_FORM_strp
     30 ; CHECK: DW_AT_GNU_dwo_id        DW_FORM_data8
     31 
     32 ; Check that we're using the right forms.
     33 ; CHECK: .debug_abbrev.dwo contents:
     34 ; CHECK: Abbrev table for offset: 0x00000000
     35 ; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes
     36 ; CHECK: DW_AT_producer  DW_FORM_GNU_str_index
     37 ; CHECK: DW_AT_language  DW_FORM_data2
     38 ; CHECK: DW_AT_name      DW_FORM_GNU_str_index
     39 ; CHECK-NOT: DW_AT_low_pc
     40 ; CHECK-NOT: DW_AT_stmt_list
     41 ; CHECK-NOT: DW_AT_comp_dir
     42 ; CHECK: DW_AT_GNU_dwo_id        DW_FORM_data8
     43 
     44 ; CHECK: [2] DW_TAG_variable     DW_CHILDREN_no
     45 ; CHECK: DW_AT_name      DW_FORM_GNU_str_index
     46 ; CHECK: DW_AT_type      DW_FORM_ref4
     47 ; CHECK: DW_AT_external  DW_FORM_flag_present
     48 ; CHECK: DW_AT_decl_file DW_FORM_data1
     49 ; CHECK: DW_AT_decl_line DW_FORM_data1
     50 ; CHECK: DW_AT_location  DW_FORM_exprloc
     51 
     52 ; CHECK: [3] DW_TAG_base_type    DW_CHILDREN_no
     53 ; CHECK: DW_AT_name      DW_FORM_GNU_str_index
     54 ; CHECK: DW_AT_encoding  DW_FORM_data1
     55 ; CHECK: DW_AT_byte_size DW_FORM_data1
     56 
     57 ; CHECK: .debug_info contents:
     58 ; CHECK: DW_TAG_compile_unit
     59 ; CHECK-NEXT: DW_AT_stmt_list [DW_FORM_sec_offset]   (0x00000000)
     60 ; CHECK-NEXT: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000000] = "baz.dwo")
     61 ; CHECK-NEXT: DW_AT_comp_dir [DW_FORM_strp]     ( .debug_str[0x00000008] = "/usr/local/google/home/echristo/tmp")
     62 ; CHECK-NEXT: DW_AT_GNU_dwo_id [DW_FORM_data8]  (0x1f1f859683d49324)
     63 
     64 ; Check that the rest of the compile units have information.
     65 ; CHECK: .debug_info.dwo contents:
     66 ; CHECK: DW_TAG_compile_unit
     67 ; CHECK: DW_AT_producer [DW_FORM_GNU_str_index] ( indexed (00000000) string = "clang version 3.3 (trunk 169021) (llvm/trunk 169020)")
     68 ; CHECK: DW_AT_language [DW_FORM_data2]        (0x000c)
     69 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index]    ( indexed (00000001) string = "baz.c")
     70 ; CHECK-NOT: DW_AT_low_pc
     71 ; CHECK-NOT: DW_AT_stmt_list
     72 ; CHECK-NOT: DW_AT_comp_dir
     73 ; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8]  (0x1f1f859683d49324)
     74 ; CHECK: DW_TAG_variable
     75 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index]     ( indexed (00000002) string = "a")
     76 ; CHECK: DW_AT_type [DW_FORM_ref4]       (cu + 0x{{[0-9a-f]*}} => {[[TYPE:0x[0-9a-f]*]]})
     77 ; CHECK: DW_AT_external [DW_FORM_flag_present]   (true)
     78 ; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
     79 ; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x01)
     80 ; CHECK: DW_AT_location [DW_FORM_exprloc] (<0x2> fb 00 )
     81 ; CHECK: [[TYPE]]: DW_TAG_base_type
     82 ; CHECK: DW_AT_name [DW_FORM_GNU_str_index]     ( indexed (00000003) string = "int")
     83 
     84 ; CHECK: .debug_str contents:
     85 ; CHECK: 0x00000000: "baz.dwo"
     86 ; CHECK: 0x00000008: "/usr/local/google/home/echristo/tmp"
     87 
     88 ; CHECK: .debug_str.dwo contents:
     89 ; CHECK: 0x00000000: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)"
     90 ; CHECK: 0x00000035: "baz.c"
     91 ; CHECK: 0x0000003b: "a"
     92 ; CHECK: 0x0000003d: "int"
     93 
     94 ; CHECK: .debug_str_offsets.dwo contents:
     95 ; CHECK: 0x00000000: 00000000
     96 ; CHECK: 0x00000004: 00000035
     97 ; CHECK: 0x00000008: 0000003b
     98 ; CHECK: 0x0000000c: 0000003d
     99 
    100 ; Object file checks
    101 ; For x86-64-linux we should have this set of relocations for the debug info section
    102 ;
    103 ; OBJ: .debug_info
    104 ; OBJ-NEXT: R_X86_64_32 .debug_abbrev
    105 ; OBJ-NEXT: R_X86_64_32 .debug_line
    106 ; OBJ-NEXT: R_X86_64_32 .debug_str
    107 ; OBJ-NEXT: R_X86_64_32 .debug_str
    108 ; OBJ-NEXT: R_X86_64_32 .debug_addr
    109 ; OBJ-NEXT: }
    110 
    111 ; HDR-NOT: .debug_aranges
    112 ; HDR-NOT: .rela.{{.*}}.dwo
    113 
    114 !9 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
    115