Home | History | Annotate | Download | only in X86
      1 ; REQUIRES: object-emission
      2 
      3 ; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
      4 
      5 ; From source:
      6 ; struct foo {
      7 ;   int __attribute__((always_inline)) func(int x) { return x + 2; }
      8 ; };
      9 
     10 ; int i;
     11 
     12 ; int main() {
     13 ;   return foo().func(i);
     14 ; }
     15 
     16 ; CHECK: DW_TAG_structure_type
     17 ; CHECK:   DW_TAG_subprogram
     18 
     19 ; But make sure we emit DW_AT_object_pointer on the abstract definition.
     20 ; CHECK: [[ABSTRACT_ORIGIN:.*]]: DW_TAG_subprogram
     21 ; CHECK-NOT: {{NULL|TAG}}
     22 ; CHECK: DW_AT_specification {{.*}} "_ZN3foo4funcEi"
     23 ; CHECK-NOT: {{NULL|TAG}}
     24 ; CHECK: DW_AT_object_pointer
     25 
     26 ; Ensure we omit DW_AT_object_pointer on inlined subroutines.
     27 ; CHECK: DW_TAG_inlined_subroutine
     28 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} {[[ABSTRACT_ORIGIN]]} "_ZN3foo4funcEi"
     29 ; CHECK-NOT: NULL
     30 ; CHECK-NOT: DW_AT_object_pointer
     31 ; CHECK: DW_TAG_formal_parameter
     32 ; CHECK-NOT: DW_AT_artificial
     33 ; CHECK: DW_TAG
     34 
     35 source_filename = "test/DebugInfo/X86/inline-member-function.ll"
     36 
     37 %struct.foo = type { i8 }
     38 
     39 @i = global i32 0, align 4, !dbg !0
     40 
     41 ; Function Attrs: uwtable
     42 define i32 @main() #0 !dbg !17 {
     43 entry:
     44   %this.addr.i = alloca %struct.foo*, align 8
     45   %x.addr.i = alloca i32, align 4
     46   %retval = alloca i32, align 4
     47   %tmp = alloca %struct.foo, align 1
     48   store i32 0, i32* %retval
     49   %0 = load i32, i32* @i, align 4, !dbg !20
     50   store %struct.foo* %tmp, %struct.foo** %this.addr.i, align 8
     51   call void @llvm.dbg.declare(metadata %struct.foo** %this.addr.i, metadata !21, metadata !24), !dbg !25
     52   store i32 %0, i32* %x.addr.i, align 4
     53   call void @llvm.dbg.declare(metadata i32* %x.addr.i, metadata !26, metadata !24), !dbg !27
     54   %this1.i = load %struct.foo*, %struct.foo** %this.addr.i
     55   %1 = load i32, i32* %x.addr.i, align 4, !dbg !27
     56   %add.i = add nsw i32 %1, 2, !dbg !27
     57   ret i32 %add.i, !dbg !20
     58 }
     59 
     60 ; Function Attrs: nounwind readnone
     61 
     62 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
     63 
     64 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
     65 attributes #1 = { nounwind readnone }
     66 
     67 !llvm.dbg.cu = !{!4}
     68 !llvm.module.flags = !{!14, !15}
     69 !llvm.ident = !{!16}
     70 
     71 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
     72 !1 = !DIGlobalVariable(name: "i", scope: null, file: !2, line: 5, type: !3, isLocal: false, isDefinition: true)
     73 !2 = !DIFile(filename: "inline.cpp", directory: "/tmp/dbginfo")
     74 !3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
     75 !4 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.5.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !6, globals: !13, imports: !5)
     76 !5 = !{}
     77 !6 = !{!7}
     78 !7 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", file: !2, line: 1, size: 8, align: 8, elements: !8, identifier: "_ZTS3foo")
     79 !8 = !{!9}
     80 !9 = !DISubprogram(name: "func", linkageName: "_ZN3foo4funcEi", scope: !7, file: !2, line: 2, type: !10, isLocal: false, isDefinition: false, scopeLine: 2, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false)
     81 !10 = !DISubroutineType(types: !11)
     82 !11 = !{!3, !12, !3}
     83 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
     84 !13 = !{!0}
     85 !14 = !{i32 2, !"Dwarf Version", i32 4}
     86 !15 = !{i32 1, !"Debug Info Version", i32 3}
     87 !16 = !{!"clang version 3.5.0 "}
     88 !17 = distinct !DISubprogram(name: "main", scope: !2, file: !2, line: 7, type: !18, isLocal: false, isDefinition: true, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !4, retainedNodes: !5)
     89 !18 = !DISubroutineType(types: !19)
     90 !19 = !{!3}
     91 !20 = !DILocation(line: 8, scope: !17)
     92 !21 = !DILocalVariable(name: "this", arg: 1, scope: !22, type: !23, flags: DIFlagArtificial | DIFlagObjectPointer)
     93 !22 = distinct !DISubprogram(name: "func", linkageName: "_ZN3foo4funcEi", scope: !7, file: !2, line: 2, type: !10, isLocal: false, isDefinition: true, scopeLine: 2, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !4, declaration: !9, retainedNodes: !5)
     94 !23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64)
     95 !24 = !DIExpression()
     96 !25 = !DILocation(line: 0, scope: !22, inlinedAt: !20)
     97 !26 = !DILocalVariable(name: "x", arg: 2, scope: !22, file: !2, line: 2, type: !3)
     98 !27 = !DILocation(line: 2, scope: !22, inlinedAt: !20)
     99 
    100