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=all %t | FileCheck %s
      3 
      4 ; Checks that we don't emit a size for a pointer type.
      5 ; CHECK: DW_TAG_pointer_type
      6 ; CHECK-NEXT: DW_AT_type
      7 ; CHECK-NOT: DW_AT_byte_size
      8 ; CHECK: DW_TAG
      9 ; CHECK: .debug_info contents
     10 
     11 %struct.A = type { i32 }
     12 
     13 define i32 @_Z3fooP1A(%struct.A* %a) nounwind uwtable ssp !dbg !5 {
     14 entry:
     15   %a.addr = alloca %struct.A*, align 8
     16   store %struct.A* %a, %struct.A** %a.addr, align 8
     17   call void @llvm.dbg.declare(metadata %struct.A** %a.addr, metadata !16, metadata !DIExpression()), !dbg !17
     18   %0 = load %struct.A*, %struct.A** %a.addr, align 8, !dbg !18
     19   %b = getelementptr inbounds %struct.A, %struct.A* %0, i32 0, i32 0, !dbg !18
     20   %1 = load i32, i32* %b, align 4, !dbg !18
     21   ret i32 %1, !dbg !18
     22 }
     23 
     24 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
     25 
     26 !llvm.dbg.cu = !{!0}
     27 !llvm.module.flags = !{!21}
     28 
     29 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.1 (trunk 150996)", isOptimized: false, emissionKind: FullDebug, file: !20, enums: !1, retainedTypes: !1, globals: !1, imports:  !1)
     30 !1 = !{}
     31 !5 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooP1A", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !20, scope: !6, type: !7)
     32 !6 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo")
     33 !7 = !DISubroutineType(types: !8)
     34 !8 = !{!9, !10}
     35 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
     36 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11)
     37 !11 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 32, align: 32, file: !20, elements: !12)
     38 !12 = !{!13}
     39 !13 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 1, size: 32, align: 32, file: !20, scope: !11, baseType: !9)
     40 !16 = !DILocalVariable(name: "a", line: 3, arg: 1, scope: !5, file: !6, type: !10)
     41 !17 = !DILocation(line: 3, column: 13, scope: !5)
     42 !18 = !DILocation(line: 4, column: 3, scope: !19)
     43 !19 = distinct !DILexicalBlock(line: 3, column: 16, file: !20, scope: !5)
     44 !20 = !DIFile(filename: "foo.cpp", directory: "/Users/echristo")
     45 !21 = !{i32 1, !"Debug Info Version", i32 3}
     46