Home | History | Annotate | Download | only in X86
      1 ; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
      2 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
      3 
      4 ; CHECK: DW_TAG_formal_parameter [
      5 ; CHECK-NOT: ""
      6 ; CHECK: DW_TAG
      7 ; CHECK: DW_TAG_class_type
      8 ; CHECK: DW_AT_object_pointer [DW_FORM_ref4]     (cu + 0x{{[0-9a-f]*}} => {[[PARAM:0x[0-9a-f]*]]})
      9 ; CHECK: [[PARAM]]:     DW_TAG_formal_parameter
     10 ; CHECK-NOT: DW_TAG
     11 ; CHECK: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x{{[0-9a-f]*}}] = "this")
     12 
     13 %class.A = type { i32 }
     14 
     15 define i32 @_Z3fooi(i32) nounwind uwtable ssp !dbg !5 {
     16 entry:
     17   %.addr = alloca i32, align 4
     18   %a = alloca %class.A, align 4
     19   store i32 %0, i32* %.addr, align 4
     20   call void @llvm.dbg.declare(metadata i32* %.addr, metadata !36, metadata !DIExpression()), !dbg !35
     21   call void @llvm.dbg.declare(metadata %class.A* %a, metadata !21, metadata !DIExpression()), !dbg !23
     22   call void @_ZN1AC1Ev(%class.A* %a), !dbg !24
     23   %m_a = getelementptr inbounds %class.A, %class.A* %a, i32 0, i32 0, !dbg !25
     24   %1 = load i32, i32* %m_a, align 4, !dbg !25
     25   ret i32 %1, !dbg !25
     26 }
     27 
     28 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
     29 
     30 define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr nounwind uwtable ssp align 2 !dbg !10 {
     31 entry:
     32   %this.addr = alloca %class.A*, align 8
     33   store %class.A* %this, %class.A** %this.addr, align 8
     34   call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !26, metadata !DIExpression()), !dbg !28
     35   %this1 = load %class.A*, %class.A** %this.addr
     36   call void @_ZN1AC2Ev(%class.A* %this1), !dbg !29
     37   ret void, !dbg !29
     38 }
     39 
     40 define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr nounwind uwtable ssp align 2 !dbg !20 {
     41 entry:
     42   %this.addr = alloca %class.A*, align 8
     43   store %class.A* %this, %class.A** %this.addr, align 8
     44   call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !30, metadata !DIExpression()), !dbg !31
     45   %this1 = load %class.A*, %class.A** %this.addr
     46   %m_a = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 0, !dbg !32
     47   store i32 0, i32* %m_a, align 4, !dbg !32
     48   ret void, !dbg !34
     49 }
     50 
     51 !llvm.dbg.cu = !{!0}
     52 !llvm.module.flags = !{!38}
     53 
     54 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.2 (trunk 163586) (llvm/trunk 163570)", isOptimized: false, emissionKind: FullDebug, file: !37, enums: !1, retainedTypes: !1, globals: !1, imports:  !1)
     55 !1 = !{}
     56 !5 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !6, scope: !6, type: !7, variables: !1)
     57 !6 = !DIFile(filename: "bar.cpp", directory: "/Users/echristo/debug-tests")
     58 !7 = !DISubroutineType(types: !8)
     59 !8 = !{!9}
     60 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
     61 !10 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC1Ev", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !6, scope: null, type: !11, declaration: !17, variables: !1)
     62 !11 = !DISubroutineType(types: !12)
     63 !12 = !{null, !13}
     64 !13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !14)
     65 !14 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 32, align: 32, file: !37, elements: !15)
     66 !15 = !{!16, !17}
     67 !16 = !DIDerivedType(tag: DW_TAG_member, name: "m_a", line: 4, size: 32, align: 32, file: !37, scope: !14, baseType: !9)
     68 !17 = !DISubprogram(name: "A", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !6, scope: !14, type: !11)
     69 !20 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2Ev", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !6, scope: null, type: !11, declaration: !17, variables: !1)
     70 !21 = !DILocalVariable(name: "a", line: 8, scope: !22, file: !6, type: !14)
     71 !22 = distinct !DILexicalBlock(line: 7, column: 11, file: !6, scope: !5)
     72 !23 = !DILocation(line: 8, column: 5, scope: !22)
     73 !24 = !DILocation(line: 8, column: 6, scope: !22)
     74 !25 = !DILocation(line: 9, column: 3, scope: !22)
     75 !26 = !DILocalVariable(name: "this", line: 3, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !10, file: !6, type: !27)
     76 !27 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !14)
     77 !28 = !DILocation(line: 3, column: 3, scope: !10)
     78 !29 = !DILocation(line: 3, column: 18, scope: !10)
     79 !30 = !DILocalVariable(name: "this", line: 3, arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !20, file: !6, type: !27)
     80 !31 = !DILocation(line: 3, column: 3, scope: !20)
     81 !32 = !DILocation(line: 3, column: 9, scope: !33)
     82 !33 = distinct !DILexicalBlock(line: 3, column: 7, file: !6, scope: !20)
     83 !34 = !DILocation(line: 3, column: 18, scope: !33)
     84 !35 = !DILocation(line: 7, scope: !5)
     85 !36 = !DILocalVariable(name: "", line: 7, arg: 1, scope: !5, file: !6, type: !9)
     86 !37 = !DIFile(filename: "bar.cpp", directory: "/Users/echristo/debug-tests")
     87 !38 = !{i32 1, !"Debug Info Version", i32 3}
     88