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llvm-mirror/test/DebugInfo/X86/DW_AT_object_pointer.ll
Manman Ren 20ae2817fa Debug Info: add an identifier field to DICompositeType.
DICompositeType will have an identifier field at position 14. For now, the
field is set to null in DIBuilder.
For DICompositeTypes where the template argument field (the 13th field)
was optional, modify DIBuilder to make sure the template argument field is set.
Now DICompositeType has 15 fields.

Update DIBuilder to use NULL instead of "i32 0" for null value of a MDNode.
Update verifier to check that DICompositeType has 15 fields and the last
field is null or a MDString.

Update testing cases to include an extra field for DICompositeType.
The identifier field will be used by type uniquing so a front end can
genearte a DICompositeType with a unique identifer.

llvm-svn: 189282
2013-08-26 22:39:55 +00:00

88 lines
6.5 KiB
LLVM

; RUN: llc -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; CHECK: DW_TAG_formal_parameter [
; CHECK-NOT: ""
; CHECK: DW_TAG
; CHECK: DW_TAG_class_type
; CHECK: DW_AT_object_pointer [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[PARAM:0x[0-9a-f]*]]})
; CHECK: [[PARAM]]: DW_TAG_formal_parameter [13]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "this")
%class.A = type { i32 }
define i32 @_Z3fooi(i32) nounwind uwtable ssp {
entry:
%.addr = alloca i32, align 4
%a = alloca %class.A, align 4
store i32 %0, i32* %.addr, align 4
call void @llvm.dbg.declare(metadata !{i32* %.addr}, metadata !36), !dbg !35
call void @llvm.dbg.declare(metadata !{%class.A* %a}, metadata !21), !dbg !23
call void @_ZN1AC1Ev(%class.A* %a), !dbg !24
%m_a = getelementptr inbounds %class.A* %a, i32 0, i32 0, !dbg !25
%1 = load i32* %m_a, align 4, !dbg !25
ret i32 %1, !dbg !25
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr nounwind uwtable ssp align 2 {
entry:
%this.addr = alloca %class.A*, align 8
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !26), !dbg !28
%this1 = load %class.A** %this.addr
call void @_ZN1AC2Ev(%class.A* %this1), !dbg !29
ret void, !dbg !29
}
define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr nounwind uwtable ssp align 2 {
entry:
%this.addr = alloca %class.A*, align 8
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !30), !dbg !31
%this1 = load %class.A** %this.addr
%m_a = getelementptr inbounds %class.A* %this1, i32 0, i32 0, !dbg !32
store i32 0, i32* %m_a, align 4, !dbg !32
ret void, !dbg !34
}
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, metadata !37, i32 4, metadata !"clang version 3.2 (trunk 163586) (llvm/trunk 163570)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/echristo/debug-tests/bar.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{i32 0}
!3 = metadata !{metadata !5, metadata !10, metadata !20}
!5 = metadata !{i32 786478, metadata !6, metadata !6, metadata !"foo", metadata !"foo", metadata !"_Z3fooi", i32 7, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z3fooi, null, null, metadata !1, i32 7} ; [ DW_TAG_subprogram ] [line 7] [def] [foo]
!6 = metadata !{i32 786473, metadata !37} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, i32 0, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{metadata !9}
!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = metadata !{i32 786478, metadata !6, null, metadata !"A", metadata !"A", metadata !"_ZN1AC1Ev", i32 3, metadata !11, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1AC1Ev, null, metadata !17, metadata !1, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [A]
!11 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, i32 0, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!12 = metadata !{null, metadata !13}
!13 = metadata !{i32 786447, i32 0, metadata !"", i32 0, i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !14} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from A]
!14 = metadata !{i32 786434, metadata !37, null, metadata !"A", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_class_type ] [A] [line 1, size 32, align 32, offset 0] [def] [from ]
!15 = metadata !{metadata !16, metadata !17}
!16 = metadata !{i32 786445, metadata !37, metadata !14, metadata !"m_a", i32 4, i64 32, i64 32, i64 0, i32 0, metadata !9} ; [ DW_TAG_member ] [m_a] [line 4, size 32, align 32, offset 0] [from int]
!17 = metadata !{i32 786478, metadata !6, metadata !14, metadata !"A", metadata !"A", metadata !"", i32 3, metadata !11, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !18, i32 3} ; [ DW_TAG_subprogram ] [line 3] [A]
!18 = metadata !{metadata !19}
!19 = metadata !{i32 786468} ; [ DW_TAG_base_type ] [line 0, size 0, align 0, offset 0]
!20 = metadata !{i32 786478, metadata !6, null, metadata !"A", metadata !"A", metadata !"_ZN1AC2Ev", i32 3, metadata !11, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1AC2Ev, null, metadata !17, metadata !1, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [A]
!21 = metadata !{i32 786688, metadata !22, metadata !"a", metadata !6, i32 8, metadata !14, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 8]
!22 = metadata !{i32 786443, metadata !6, metadata !5, i32 7, i32 11, i32 0} ; [ DW_TAG_lexical_block ] [/Users/echristo/debug-tests/bar.cpp]
!23 = metadata !{i32 8, i32 5, metadata !22, null}
!24 = metadata !{i32 8, i32 6, metadata !22, null}
!25 = metadata !{i32 9, i32 3, metadata !22, null}
!26 = metadata !{i32 786689, metadata !10, metadata !"this", metadata !6, i32 16777219, metadata !27, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 3]
!27 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !14} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from A]
!28 = metadata !{i32 3, i32 3, metadata !10, null}
!29 = metadata !{i32 3, i32 18, metadata !10, null}
!30 = metadata !{i32 786689, metadata !20, metadata !"this", metadata !6, i32 16777219, metadata !27, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 3]
!31 = metadata !{i32 3, i32 3, metadata !20, null}
!32 = metadata !{i32 3, i32 9, metadata !33, null}
!33 = metadata !{i32 786443, metadata !6, metadata !20, i32 3, i32 7, i32 1} ; [ DW_TAG_lexical_block ] [/Users/echristo/debug-tests/bar.cpp]
!34 = metadata !{i32 3, i32 18, metadata !33, null}
!35 = metadata !{i32 7, i32 0, metadata !5, null}
!36 = metadata !{i32 786689, metadata !5, metadata !"", metadata !6, i32 16777223, metadata !9, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [line 7]
!37 = metadata !{metadata !"bar.cpp", metadata !"/Users/echristo/debug-tests"}