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clang-p2996/llvm/test/DebugInfo/NVPTX/debug-loc-offset.ll
William G Hatch ae635d6f99 [NVPTX] add support for .debug_loc section (#110905) 
Enable .debug_loc section for NVPTX backend.

This commit makes NVPTX omit DW_AT_low_pc (and DW_AT_high_pc) for
DW_TAG_compile_unit. This is because cuda-gdb uses the compile unit's
low_pc as a base address, and adds the addresses in the debug_loc
section to it. Removing low_pc is equivalent to setting that base
address to zero, so addition doesn't break the location ranges.
Additionally, this patch forces debug_loc label emission to emit single
labels with no subtraction or base. This would not be necessary if we
could emit `label1 - label2` expressions in PTX. The PTX documentation
at
https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#debugging-directives-section
makes it seem like this is supported, but it doesn't actually work. I
believe when that documentation says that you can subtract “label
addresses between labels in the same dwarf section”, it doesn't merely
mean that the labels need to be in the same section as each other, but
in fact they need to be in the same section as the use. If support for
label subtraction is supported such that in the debug_loc section you
can subtract labels from the main code section, then we can remove the
workarounds added in this PR.

Also, since this now emits valid .debug_loc sections, it replaces the
empty .debug_loc to force existence of at least one debug section with
an empty .debug_macinfo section, which matches what nvcc does.
2024-10-03 16:31:49 -06:00

510 lines
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; RUN: llc -mtriple=nvptx64-nvidia-cuda < %s | FileCheck %s
; RUN: %if ptxas %{ llc -mtriple=nvptx64-nvidia-cuda < %s | %ptxas-verify %}
; CHECK: .target sm_{{[0-9]+}}, debug
; CHECK: .extern .func (.param .b32 func_retval0) _ZN1A3fooEv
; CHECK: (
; CHECK: .param .b64 _ZN1A3fooEv_param_0
; CHECK: )
%struct.A = type { ptr, i32 }
; CHECK: .visible .func (.param .b32 func_retval0) _Z3bari(
; CHECK: {
; CHECK: .loc [[CU1:[0-9]+]] 1 0
; CHECK: $L__func_begin0:
; CHECK: .loc [[CU1]] 1 0
; CHECK: //DEBUG_VALUE: bar:b <- {{[0-9]+}}
; CHECK: //DEBUG_VALUE: bar:b <- {{[0-9]+}}
; CHECK: .loc [[CU1]] 2 0
; CHECK: ret;
; CHECK: }
; Function Attrs: nounwind
define i32 @_Z3bari(i32 %b) #0 !dbg !4 {
entry:
%b.addr = alloca i32, align 4
store i32 %b, ptr %b.addr, align 4
call void @llvm.dbg.value(metadata i32 0, metadata !21, metadata !DIExpression()), !dbg !22
%0 = load i32, ptr %b.addr, align 4, !dbg !23
call void @llvm.dbg.value(metadata i32 1, metadata !21, metadata !DIExpression()), !dbg !22
%add = add nsw i32 %0, 4, !dbg !23
ret i32 %add, !dbg !23
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
declare void @llvm.dbg.value(metadata, metadata, metadata) #1
; CHECK: .visible .func _Z3baz1A(
; CHECK: {
; CHECK: .loc [[CU2:[0-9]+]] 6 0
; CHECK: $L__func_begin1:
; CHECK: .loc [[CU2]] 6 0
; CHECK-NOT: //DEBUG_VALUE: baz:z
; CHECK: //DEBUG_VALUE: baz:z <- undef
; CHECK: .loc [[CU2]] 10 0
; CHECK: ret;
; CHECK: }
define void @_Z3baz1A(ptr %a) #2 !dbg !14 {
entry:
%z = alloca i32, align 4
call void @llvm.dbg.declare(metadata ptr %a, metadata !24, metadata !DIExpression(DW_OP_deref)), !dbg !25
call void @llvm.dbg.declare(metadata ptr %z, metadata !26, metadata !DIExpression()), !dbg !27
store i32 2, ptr %z, align 4, !dbg !27
%var = getelementptr inbounds %struct.A, ptr %a, i32 0, i32 1, !dbg !28
%0 = load i32, ptr %var, align 4, !dbg !28
%cmp = icmp sgt i32 %0, 2, !dbg !28
br i1 %cmp, label %if.then, label %if.end, !dbg !28
if.then: ; preds = %entry
%1 = load i32, ptr %z, align 4, !dbg !30
%inc = add nsw i32 %1, 1, !dbg !30
store i32 %inc, ptr %z, align 4, !dbg !30
br label %if.end, !dbg !30
if.end: ; preds = %if.then, %entry
%call = call signext i8 @_ZN1A3fooEv(ptr %a), !dbg !31
%conv = sext i8 %call to i32, !dbg !31
%cmp1 = icmp eq i32 %conv, 97, !dbg !31
br i1 %cmp1, label %if.then2, label %if.end4, !dbg !31
if.then2: ; preds = %if.end
%2 = load i32, ptr %z, align 4, !dbg !33
%inc3 = add nsw i32 %2, 1, !dbg !33
store i32 %inc3, ptr %z, align 4, !dbg !33
br label %if.end4, !dbg !33
if.end4: ; preds = %if.then2, %if.end
ret void, !dbg !34
}
; CHECK-DAG: .file [[CU1]] "/llvm_cmake_gcc{{/|\\\\}}debug-loc-offset1.cc"
; CHECK-DAG: .file [[CU2]] "/llvm_cmake_gcc{{/|\\\\}}debug-loc-offset2.cc"
declare signext i8 @_ZN1A3fooEv(ptr) #2
attributes #0 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.dbg.cu = !{!0, !9}
!llvm.module.flags = !{!18, !19}
!llvm.ident = !{!20, !20}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (210479)", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2, nameTableKind: None)
!1 = !DIFile(filename: "debug-loc-offset1.cc", directory: "/llvm_cmake_gcc")
!2 = !{}
!4 = distinct !DISubprogram(name: "bar", linkageName: "_Z3bari", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !35)
!5 = !DIFile(filename: "debug-loc-offset1.cc", directory: "/llvm_cmake_gcc")
!6 = !DISubroutineType(types: !7)
!7 = !{!8, !8}
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (210479)", isOptimized: false, emissionKind: FullDebug, file: !10, enums: !2, retainedTypes: !11, globals: !2, imports: !2, nameTableKind: None)
!10 = !DIFile(filename: "debug-loc-offset2.cc", directory: "/llvm_cmake_gcc")
!11 = !{!12}
!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, flags: DIFlagFwdDecl, file: !10, identifier: "_ZTS1A")
!14 = distinct !DISubprogram(name: "baz", linkageName: "_Z3baz1A", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !9, scopeLine: 6, file: !10, scope: !15, type: !16, retainedNodes: !36)
!15 = !DIFile(filename: "debug-loc-offset2.cc", directory: "/llvm_cmake_gcc")
!16 = !DISubroutineType(types: !17)
!17 = !{null, !12}
!18 = !{i32 2, !"Dwarf Version", i32 4}
!19 = !{i32 2, !"Debug Info Version", i32 3}
!20 = !{!"clang version 3.5.0 (210479)"}
!21 = !DILocalVariable(name: "b", line: 1, arg: 1, scope: !4, file: !5, type: !8)
!22 = !DILocation(line: 1, scope: !4)
!23 = !DILocation(line: 2, scope: !4)
!24 = !DILocalVariable(name: "a", line: 6, arg: 1, scope: !14, file: !15, type: !12)
!25 = !DILocation(line: 6, scope: !14)
!26 = !DILocalVariable(name: "z", line: 7, scope: !14, file: !15, type: !8)
!27 = !DILocation(line: 7, scope: !14)
!28 = !DILocation(line: 8, scope: !29)
!29 = distinct !DILexicalBlock(line: 8, column: 0, file: !10, scope: !14)
!30 = !DILocation(line: 9, scope: !29)
!31 = !DILocation(line: 10, scope: !32)
!32 = distinct !DILexicalBlock(line: 10, column: 0, file: !10, scope: !14)
!33 = !DILocation(line: 11, scope: !32)
!34 = !DILocation(line: 12, scope: !14)
!35 = !{!21}
!36 = !{!24, !26}
; CHECK: .section .debug_loc
; CHECK-NEXT: {
; CHECK-NEXT: $L__debug_loc0:
; CHECK-NEXT: .b64 $L__func_begin0
; CHECK-NEXT: .b64 $L__tmp0
; CHECK-NEXT: .b8 2 // Loc expr size
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 17 // DW_OP_consts
; CHECK-NEXT: .b8 0 // 0
; CHECK-NEXT: .b64 $L__tmp0
; CHECK-NEXT: .b64 $L__func_end0
; CHECK-NEXT: .b8 2 // Loc expr size
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 17 // DW_OP_consts
; CHECK-NEXT: .b8 1 // 1
; CHECK-NEXT: .b64 0
; CHECK-NEXT: .b64 0
; CHECK-NEXT: }
; CHECK-NEXT: .section .debug_abbrev
; CHECK-NEXT: {
; CHECK-NEXT: .b8 1 // Abbreviation Code
; CHECK-NEXT: .b8 17 // DW_TAG_compile_unit
; CHECK-NEXT: .b8 1 // DW_CHILDREN_yes
; CHECK-NEXT: .b8 37 // DW_AT_producer
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 19 // DW_AT_language
; CHECK-NEXT: .b8 5 // DW_FORM_data2
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 16 // DW_AT_stmt_list
; CHECK-NEXT: .b8 6 // DW_FORM_data4
; CHECK-NEXT: .b8 27 // DW_AT_comp_dir
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 2 // Abbreviation Code
; CHECK-NEXT: .b8 19 // DW_TAG_structure_type
; CHECK-NEXT: .b8 0 // DW_CHILDREN_no
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 60 // DW_AT_declaration
; CHECK-NEXT: .b8 12 // DW_FORM_flag
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 3 // Abbreviation Code
; CHECK-NEXT: .b8 46 // DW_TAG_subprogram
; CHECK-NEXT: .b8 1 // DW_CHILDREN_yes
; CHECK-NEXT: .b8 17 // DW_AT_low_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 18 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 64 // DW_AT_frame_base
; CHECK-NEXT: .b8 10 // DW_FORM_block1
; CHECK-NEXT: .b8 135 // DW_AT_MIPS_linkage_name
; CHECK-NEXT: .b8 64
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 58 // DW_AT_decl_file
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 59 // DW_AT_decl_line
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 63 // DW_AT_external
; CHECK-NEXT: .b8 12 // DW_FORM_flag
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 4 // Abbreviation Code
; CHECK-NEXT: .b8 5 // DW_TAG_formal_parameter
; CHECK-NEXT: .b8 0 // DW_CHILDREN_no
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 58 // DW_AT_decl_file
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 59 // DW_AT_decl_line
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 73 // DW_AT_type
; CHECK-NEXT: .b8 19 // DW_FORM_ref4
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 5 // Abbreviation Code
; CHECK-NEXT: .b8 52 // DW_TAG_variable
; CHECK-NEXT: .b8 0 // DW_CHILDREN_no
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 58 // DW_AT_decl_file
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 59 // DW_AT_decl_line
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 73 // DW_AT_type
; CHECK-NEXT: .b8 16 // DW_FORM_ref_addr
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 6 // Abbreviation Code
; CHECK-NEXT: .b8 46 // DW_TAG_subprogram
; CHECK-NEXT: .b8 1 // DW_CHILDREN_yes
; CHECK-NEXT: .b8 17 // DW_AT_low_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 18 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_FORM_addr
; CHECK-NEXT: .b8 64 // DW_AT_frame_base
; CHECK-NEXT: .b8 10 // DW_FORM_block1
; CHECK-NEXT: .b8 135 // DW_AT_MIPS_linkage_name
; CHECK-NEXT: .b8 64
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 58 // DW_AT_decl_file
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 59 // DW_AT_decl_line
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 73 // DW_AT_type
; CHECK-NEXT: .b8 19 // DW_FORM_ref4
; CHECK-NEXT: .b8 63 // DW_AT_external
; CHECK-NEXT: .b8 12 // DW_FORM_flag
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 7 // Abbreviation Code
; CHECK-NEXT: .b8 5 // DW_TAG_formal_parameter
; CHECK-NEXT: .b8 0 // DW_CHILDREN_no
; CHECK-NEXT: .b8 2 // DW_AT_location
; CHECK-NEXT: .b8 6 // DW_FORM_data4
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 58 // DW_AT_decl_file
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 59 // DW_AT_decl_line
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 73 // DW_AT_type
; CHECK-NEXT: .b8 19 // DW_FORM_ref4
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 8 // Abbreviation Code
; CHECK-NEXT: .b8 36 // DW_TAG_base_type
; CHECK-NEXT: .b8 0 // DW_CHILDREN_no
; CHECK-NEXT: .b8 3 // DW_AT_name
; CHECK-NEXT: .b8 8 // DW_FORM_string
; CHECK-NEXT: .b8 62 // DW_AT_encoding
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 11 // DW_AT_byte_size
; CHECK-NEXT: .b8 11 // DW_FORM_data1
; CHECK-NEXT: .b8 0 // EOM(1)
; CHECK-NEXT: .b8 0 // EOM(2)
; CHECK-NEXT: .b8 0 // EOM(3)
; CHECK-NEXT: }
; CHECK-NEXT: .section .debug_info
; CHECK-NEXT: {
; CHECK-NEXT: .b32 143 // Length of Unit
; CHECK-NEXT: .b8 2 // DWARF version number
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b32 .debug_abbrev // Offset Into Abbrev. Section
; CHECK-NEXT: .b8 8 // Address Size (in bytes)
; CHECK-NEXT: .b8 1 // Abbrev [1] 0xb:0x88 DW_TAG_compile_unit
; CHECK-NEXT: .b8 99 // DW_AT_producer
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 103
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 118
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 115
; CHECK-NEXT: .b8 105
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 51
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 53
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 48
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 40
; CHECK-NEXT: .b8 50
; CHECK-NEXT: .b8 49
; CHECK-NEXT: .b8 48
; CHECK-NEXT: .b8 52
; CHECK-NEXT: .b8 55
; CHECK-NEXT: .b8 57
; CHECK-NEXT: .b8 41
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 4 // DW_AT_language
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 100 // DW_AT_name
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 98
; CHECK-NEXT: .b8 117
; CHECK-NEXT: .b8 103
; CHECK-NEXT: .b8 45
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 45
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 102
; CHECK-NEXT: .b8 102
; CHECK-NEXT: .b8 115
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 116
; CHECK-NEXT: .b8 50
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b32 .debug_line // DW_AT_stmt_list
; CHECK-NEXT: .b8 47 // DW_AT_comp_dir
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 118
; CHECK-NEXT: .b8 109
; CHECK-NEXT: .b8 95
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 109
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 107
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 95
; CHECK-NEXT: .b8 103
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 2 // Abbrev [2] 0x54:0x4 DW_TAG_structure_type
; CHECK-NEXT: .b8 65 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 1 // DW_AT_declaration
; CHECK-NEXT: .b8 3 // Abbrev [3] 0x58:0x3a DW_TAG_subprogram
; CHECK-NEXT: .b64 $L__func_begin1 // DW_AT_low_pc
; CHECK-NEXT: .b64 $L__func_end1 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_AT_frame_base
; CHECK-NEXT: .b8 156
; CHECK-NEXT: .b8 95 // DW_AT_MIPS_linkage_name
; CHECK-NEXT: .b8 90
; CHECK-NEXT: .b8 51
; CHECK-NEXT: .b8 98
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 122
; CHECK-NEXT: .b8 49
; CHECK-NEXT: .b8 65
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 98 // DW_AT_name
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 122
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 2 // DW_AT_decl_file
; CHECK-NEXT: .b8 6 // DW_AT_decl_line
; CHECK-NEXT: .b8 1 // DW_AT_external
; CHECK-NEXT: .b8 4 // Abbrev [4] 0x7b:0x9 DW_TAG_formal_parameter
; CHECK-NEXT: .b8 97 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 2 // DW_AT_decl_file
; CHECK-NEXT: .b8 6 // DW_AT_decl_line
; CHECK-NEXT: .b32 84 // DW_AT_type
; CHECK-NEXT: .b8 5 // Abbrev [5] 0x84:0xd DW_TAG_variable
; CHECK-NEXT: .b8 122 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 2 // DW_AT_decl_file
; CHECK-NEXT: .b8 7 // DW_AT_decl_line
; CHECK-NEXT: .b64 .debug_info+283 // DW_AT_type
; CHECK-NEXT: .b8 0 // End Of Children Mark
; CHECK-NEXT: .b8 0 // End Of Children Mark
; CHECK-NEXT: .b32 140 // Length of Unit
; CHECK-NEXT: .b8 2 // DWARF version number
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b32 .debug_abbrev // Offset Into Abbrev. Section
; CHECK-NEXT: .b8 8 // Address Size (in bytes)
; CHECK-NEXT: .b8 1 // Abbrev [1] 0xb:0x85 DW_TAG_compile_unit
; CHECK-NEXT: .b8 99 // DW_AT_producer
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 103
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 118
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 115
; CHECK-NEXT: .b8 105
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 51
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 53
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 48
; CHECK-NEXT: .b8 32
; CHECK-NEXT: .b8 40
; CHECK-NEXT: .b8 50
; CHECK-NEXT: .b8 49
; CHECK-NEXT: .b8 48
; CHECK-NEXT: .b8 52
; CHECK-NEXT: .b8 55
; CHECK-NEXT: .b8 57
; CHECK-NEXT: .b8 41
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 4 // DW_AT_language
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 100 // DW_AT_name
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 98
; CHECK-NEXT: .b8 117
; CHECK-NEXT: .b8 103
; CHECK-NEXT: .b8 45
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 45
; CHECK-NEXT: .b8 111
; CHECK-NEXT: .b8 102
; CHECK-NEXT: .b8 102
; CHECK-NEXT: .b8 115
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 116
; CHECK-NEXT: .b8 49
; CHECK-NEXT: .b8 46
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b32 .debug_line // DW_AT_stmt_list
; CHECK-NEXT: .b8 47 // DW_AT_comp_dir
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 108
; CHECK-NEXT: .b8 118
; CHECK-NEXT: .b8 109
; CHECK-NEXT: .b8 95
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 109
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 107
; CHECK-NEXT: .b8 101
; CHECK-NEXT: .b8 95
; CHECK-NEXT: .b8 103
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 99
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 6 // Abbrev [6] 0x54:0x34 DW_TAG_subprogram
; CHECK-NEXT: .b64 $L__func_begin0 // DW_AT_low_pc
; CHECK-NEXT: .b64 $L__func_end0 // DW_AT_high_pc
; CHECK-NEXT: .b8 1 // DW_AT_frame_base
; CHECK-NEXT: .b8 156
; CHECK-NEXT: .b8 95 // DW_AT_MIPS_linkage_name
; CHECK-NEXT: .b8 90
; CHECK-NEXT: .b8 51
; CHECK-NEXT: .b8 98
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 105
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 98 // DW_AT_name
; CHECK-NEXT: .b8 97
; CHECK-NEXT: .b8 114
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 1 // DW_AT_decl_file
; CHECK-NEXT: .b8 1 // DW_AT_decl_line
; CHECK-NEXT: .b32 136 // DW_AT_type
; CHECK-NEXT: .b8 1 // DW_AT_external
; CHECK-NEXT: .b8 7 // Abbrev [7] 0x7a:0xd DW_TAG_formal_parameter
; CHECK-NEXT: .b32 $L__debug_loc0 // DW_AT_location
; CHECK-NEXT: .b8 98 // DW_AT_name
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 1 // DW_AT_decl_file
; CHECK-NEXT: .b8 1 // DW_AT_decl_line
; CHECK-NEXT: .b32 136 // DW_AT_type
; CHECK-NEXT: .b8 0 // End Of Children Mark
; CHECK-NEXT: .b8 8 // Abbrev [8] 0x88:0x7 DW_TAG_base_type
; CHECK-NEXT: .b8 105 // DW_AT_name
; CHECK-NEXT: .b8 110
; CHECK-NEXT: .b8 116
; CHECK-NEXT: .b8 0
; CHECK-NEXT: .b8 5 // DW_AT_encoding
; CHECK-NEXT: .b8 4 // DW_AT_byte_size
; CHECK-NEXT: .b8 0 // End Of Children Mark
; CHECK-NEXT: }
; CHECK-NEXT: .section .debug_macinfo { }
; CHECK-NOT: debug_
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