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48e215c890
therefore not at all) of the pc or statement list. We also don't need to emit the compilation dir so save so space and time and don't bother. Fix up the testcase accordingly and verify that we don't emit the attributes or the items that they use. llvm-svn: 179114
113 lines
5.0 KiB
LLVM
113 lines
5.0 KiB
LLVM
; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s
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; RUN: llvm-readobj --relocations %t | FileCheck --check-prefix=OBJ %s
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@a = common global i32 0, align 4
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!llvm.dbg.cu = !{!0}
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!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 !"baz.dwo"} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/baz.c] [DW_LANG_C99]
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!1 = metadata !{i32 0}
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!3 = metadata !{metadata !5}
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!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]
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!6 = metadata !{i32 786473, metadata !8} ; [ DW_TAG_file_type ]
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!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]
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!8 = metadata !{metadata !"baz.c", metadata !"/usr/local/google/home/echristo/tmp"}
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; Check that the skeleton compile unit contains the proper attributes:
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; This DIE has the following attributes: DW_AT_comp_dir, DW_AT_stmt_list,
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; DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges, DW_AT_dwo_name, DW_AT_dwo_id,
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; DW_AT_ranges_base, DW_AT_addr_base.
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; CHECK: .debug_abbrev contents:
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; CHECK: Abbrev table for offset: 0x00000000
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; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_no
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; CHECK: DW_AT_GNU_dwo_name DW_FORM_strp
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; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8
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; CHECK: DW_AT_GNU_addr_base DW_FORM_sec_offset
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; CHECK: DW_AT_low_pc DW_FORM_addr
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; CHECK: DW_AT_stmt_list DW_FORM_sec_offset
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; CHECK: DW_AT_comp_dir DW_FORM_strp
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_GNU_dwo_name [DW_FORM_strp] ( .debug_str[0x00000000] = "baz.dwo")
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; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x0000000000000000)
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; CHECK: DW_AT_GNU_addr_base [DW_FORM_sec_offset] (0x00000000)
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; CHECK: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000)
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; CHECK: DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000)
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; CHECK: DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x00000008] = "/usr/local/google/home/echristo/tmp")
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; CHECK: .debug_str contents:
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; CHECK: 0x00000000: "baz.dwo"
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; CHECK: 0x00000008: "/usr/local/google/home/echristo/tmp"
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; Check that we're using the right forms.
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; CHECK: .debug_abbrev.dwo contents:
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; CHECK: Abbrev table for offset: 0x00000000
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; CHECK: [1] DW_TAG_compile_unit DW_CHILDREN_yes
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; CHECK: DW_AT_producer DW_FORM_GNU_str_index
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; CHECK: DW_AT_language DW_FORM_data2
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; CHECK: DW_AT_name DW_FORM_GNU_str_index
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; CHECK-NOT: DW_AT_low_pc
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; CHECK-NOT: DW_AT_stmt_list
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; CHECK-NOT: DW_AT_comp_dir
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; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8
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; CHECK: [2] DW_TAG_base_type DW_CHILDREN_no
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; CHECK: DW_AT_name DW_FORM_GNU_str_index
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; CHECK: DW_AT_encoding DW_FORM_data1
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; CHECK: DW_AT_byte_size DW_FORM_data1
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; CHECK: [3] DW_TAG_variable DW_CHILDREN_no
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; CHECK: DW_AT_name DW_FORM_GNU_str_index
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; CHECK: DW_AT_type DW_FORM_ref4
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; CHECK: DW_AT_external DW_FORM_flag_present
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; CHECK: DW_AT_decl_file DW_FORM_data1
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; CHECK: DW_AT_decl_line DW_FORM_data1
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; CHECK: DW_AT_location DW_FORM_block1
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; Check that the rest of the compile units have information.
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; CHECK: .debug_info.dwo contents:
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_producer [DW_FORM_GNU_str_index] ( indexed (00000000) string = "clang version 3.3 (trunk 169021) (llvm/trunk 169020)")
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; CHECK: DW_AT_language [DW_FORM_data2] (0x000c)
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; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000001) string = "baz.c")
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; CHECK-NOT: DW_AT_low_pc
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; CHECK-NOT: DW_AT_stmt_list
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; CHECK-NOT: DW_AT_comp_dir
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; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x0000000000000000)
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; CHECK: DW_TAG_base_type
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; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000003) string = "int")
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; CHECK: DW_TAG_variable
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; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000002) string = "a")
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; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x0018 => {0x00000018})
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; CHECK: DW_AT_external [DW_FORM_flag_present] (true)
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; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
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; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x01)
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; CHECK: DW_AT_location [DW_FORM_block1] (<0x02> fb 00 )
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; CHECK: .debug_str.dwo contents:
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; CHECK: 0x00000000: "clang version 3.3 (trunk 169021) (llvm/trunk 169020)"
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; CHECK: 0x00000035: "baz.c"
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; CHECK: 0x0000003b: "a"
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; CHECK: 0x0000003d: "int"
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; CHECK: .debug_str_offsets.dwo contents:
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; CHECK: 0x00000000: 00000000
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; CHECK: 0x00000004: 00000035
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; CHECK: 0x00000008: 0000003b
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; CHECK: 0x0000000c: 0000003d
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; Object file checks
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; For x86-64-linux we should have this set of relocations for the debug info section
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;
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; OBJ: .debug_info
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; OBJ-NEXT: R_X86_64_32 .debug_abbrev
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; OBJ-NEXT: R_X86_64_32 .debug_str
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; OBJ-NEXT: R_X86_64_32 .debug_addr
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; OBJ-NEXT: R_X86_64_32 .debug_line
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; OBJ-NEXT: R_X86_64_32 .debug_str
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; OBJ-NEXT: }
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