test/MC/WebAssembly/dwarfdump.ll

   1 ; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
   2
   3 ; CHECK: .debug_info contents:
   4 ; CHECK-NEXT: 0x00000000: Compile Unit: length = 0x00000066 version = 0x0004 abbr_offset = 0x0000 addr_size = 0x04 (next unit at 0x0000006a)
   5
   6 ; CHECK: 0x0000000b: DW_TAG_compile_unit
   7 ; CHECK-NEXT:              DW_AT_producer       ("clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)")
   8 ; CHECK-NEXT:              DW_AT_language       (DW_LANG_C99)
   9 ; CHECK-NEXT:              DW_AT_name   ("test.c")
  10 ; CHECK-NEXT:              DW_AT_stmt_list      (0x00000000)
  11 ; CHECK-NEXT:              DW_AT_comp_dir       ("/usr/local/google/home/sbc/dev/wasm/simple")
  12 ; CHECK-NEXT:              DW_AT_GNU_pubnames   (true)
  13 ; CHECK-NEXT:              DW_AT_low_pc         (0x0000000000000002)
  14 ; CHECK-NEXT:              DW_AT_high_pc                (0x0000000000000004)
  15
  16 ; CHECK: 0x00000026:   DW_TAG_variable
  17 ; CHECK-NEXT:                DW_AT_name ("foo")
  18 ; CHECK-NEXT:                DW_AT_type (0x00000037 "int*")
  19 ; CHECK-NEXT:                DW_AT_external     (true)
  20 ; CHECK-NEXT:                DW_AT_decl_file    ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c")
  21 ; CHECK-NEXT:                DW_AT_decl_line    (4)
  22 ; CHECK-NEXT:                DW_AT_location     (DW_OP_addr 0x0)
  23
  24 ; CHECK: 0x00000037:   DW_TAG_pointer_type
  25 ; CHECK-NEXT:                DW_AT_type (0x0000003c "int")
  26
  27 ; CHECK: 0x0000003c:   DW_TAG_base_type
  28 ; CHECK-NEXT:                DW_AT_name ("int")
  29 ; CHECK-NEXT:                DW_AT_encoding     (DW_ATE_signed)
  30 ; CHECK-NEXT:                DW_AT_byte_size    (0x04)
  31
  32 ; CHECK: 0x00000043:   DW_TAG_variable
  33 ; CHECK-NEXT:                DW_AT_name ("ptr2")
  34 ; CHECK-NEXT:                DW_AT_type (0x00000054 "void()*")
  35 ; CHECK-NEXT:                DW_AT_external     (true)
  36 ; CHECK-NEXT:                DW_AT_decl_file    ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c")
  37 ; CHECK-NEXT:                DW_AT_decl_line    (5)
  38 ; CHECK-NEXT:                DW_AT_location     (DW_OP_addr 0x4)
  39
  40 ; CHECK: 0x00000054:   DW_TAG_pointer_type
  41 ; CHECK-NEXT:                DW_AT_type (0x00000059 "void()")
  42
  43 ; CHECK: 0x00000059:   DW_TAG_subroutine_type
  44 ; CHECK-NEXT:                DW_AT_prototyped   (true)
  45
  46 ; CHECK: 0x0000005a:   DW_TAG_subprogram
  47 ; CHECK-NEXT:                DW_AT_low_pc       (0x0000000000000002)
  48 ; CHECK-NEXT:                DW_AT_high_pc      (0x0000000000000004)
  49 ; CHECK-NEXT:                DW_AT_name ("f2")
  50 ; CHECK-NEXT:                DW_AT_decl_file    ("/usr/local/google/home/sbc/dev/wasm/simple{{[/\\]}}test.c")
  51 ; CHECK-NEXT:                DW_AT_decl_line    (2)
  52 ; CHECK-NEXT:                DW_AT_prototyped   (true)
  53 ; CHECK-NEXT:                DW_AT_external             (true)
  54
  55 ; CHECK: 0x00000069:   NULL
  56
  57 target triple = "wasm32-unknown-unknown"
  58
  59 source_filename = "test.c"
  60
  61 @myextern = external global i32, align 4
  62 @foo = hidden global i32* @myextern, align 4, !dbg !0
  63 @ptr2 = hidden global void ()* @f2, align 4, !dbg !6
  64
  65 ; Function Attrs: noinline nounwind optnone
  66 define hidden void @f2() #0 !dbg !17 {
  67 entry:
  68   ret void, !dbg !18
  69 }
  70
  71 attributes #0 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" }
  72
  73 !llvm.dbg.cu = !{!2}
  74 !llvm.module.flags = !{!13, !14, !15}
  75 !llvm.ident = !{!16}
  76
  77 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
  78 !1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 4, type: !11, isLocal: false, isDefinition: true)
  79 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
  80 !3 = !DIFile(filename: "test.c", directory: "/usr/local/google/home/sbc/dev/wasm/simple")
  81 !4 = !{}
  82 !5 = !{!0, !6}
  83 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
  84 !7 = distinct !DIGlobalVariable(name: "ptr2", scope: !2, file: !3, line: 5, type: !8, isLocal: false, isDefinition: true)
  85 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32)
  86 !9 = !DISubroutineType(types: !10)
  87 !10 = !{null}
  88 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 32)
  89 !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
  90 !13 = !{i32 2, !"Dwarf Version", i32 4}
  91 !14 = !{i32 2, !"Debug Info Version", i32 3}
  92 !15 = !{i32 1, !"wchar_size", i32 4}
  93 !16 = !{!"clang version 6.0.0 (trunk 315924) (llvm/trunk 315960)"}
  94 !17 = distinct !DISubprogram(name: "f2", scope: !3, file: !3, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
  95 !18 = !DILocation(line: 2, column: 16, scope: !17)