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llvm-6502/test/DebugInfo/X86/debug-info-static-member.ll
Frederic Riss dd2cb9cae7 [dwarfdump] Resolve also variable specifications/abstract_origins. 
DW_AT_specification and DW_AT_abstract_origin resolving was only performed
on subroutine DIEs because it used the getSubroutineName method. Introduce
a more generic getName() and use it to dump the reference attributes.

Testcases have been updated to check the printed names instead of the offsets
except when the name could be ambiguous.

Reviewers: dblaikie, samsonov

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5625

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219506 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-10 15:51:02 +00:00

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; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-unknown-linux-gnu -dwarf-version=4
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=PRESENT
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=ABSENT
; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-apple-darwin -dwarf-version=4
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=DARWINP
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=DARWINA
; Verify that attributes we do want are PRESENT;
; verify that attributes we don't want are ABSENT.
; It's a lot easier to do this in two passes than in one.
; PR14471
; LLVM IR generated using: clang -emit-llvm -S -g
; (with the Clang part of this patch applied).
;
; class C
; {
; static int a;
; const static bool const_a = true;
; protected:
; static int b;
; const static float const_b = 3.14;
; public:
; static int c;
; const static int const_c = 18;
; int d;
; };
;
; int C::a = 4;
; int C::b = 2;
; int C::c = 1;
;
; int main()
; {
; C instance_C;
; instance_C.d = 8;
; return C::c;
; }
%class.C = type { i32 }
@_ZN1C1aE = global i32 4, align 4
@_ZN1C1bE = global i32 2, align 4
@_ZN1C1cE = global i32 1, align 4
define i32 @main() nounwind uwtable {
entry:
%retval = alloca i32, align 4
%instance_C = alloca %class.C, align 4
store i32 0, i32* %retval
call void @llvm.dbg.declare(metadata !{%class.C* %instance_C}, metadata !29, metadata !{metadata !"0x102"}), !dbg !30
%d = getelementptr inbounds %class.C* %instance_C, i32 0, i32 0, !dbg !31
store i32 8, i32* %d, align 4, !dbg !31
%0 = load i32* @_ZN1C1cE, align 4, !dbg !32
ret i32 %0, !dbg !32
}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!34}
!0 = metadata !{metadata !"0x11\004\00clang version 3.3 (trunk 171914)\000\00\000\00\000", metadata !33, metadata !1, metadata !1, metadata !3, metadata !10, metadata !1} ; [ DW_TAG_compile_unit ] [/home/probinson/projects/upstream/static-member/test/debug-info-static-member.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{}
!3 = metadata !{metadata !5}
!5 = metadata !{metadata !"0x2e\00main\00main\00\0018\000\001\000\006\00256\000\0023", metadata !33, metadata !6, metadata !7, null, i32 ()* @main, null, null, metadata !1} ; [ DW_TAG_subprogram ] [line 18] [def] [scope 23] [main]
!6 = metadata !{metadata !"0x29", metadata !33} ; [ DW_TAG_file_type ]
!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{metadata !9}
!9 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!10 = metadata !{metadata !12, metadata !27, metadata !28}
!12 = metadata !{metadata !"0x34\00a\00a\00_ZN1C1aE\0014\000\001", metadata !13, metadata !6, metadata !9, i32* @_ZN1C1aE, metadata !15} ; [ DW_TAG_variable ] [a] [line 14] [def]
!13 = metadata !{metadata !"0x2\00C\001\0032\0032\000\000\000", metadata !33, null, null, metadata !14, null, null, null} ; [ DW_TAG_class_type ] [C] [line 1, size 32, align 32, offset 0] [def] [from ]
!14 = metadata !{metadata !15, metadata !16, metadata !19, metadata !20, metadata !23, metadata !24, metadata !26}
!15 = metadata !{metadata !"0xd\00a\003\000\000\000\004097", metadata !33, metadata !13, metadata !9, null} ; [ DW_TAG_member ] [a] [line 3, size 0, align 0, offset 0] [private] [static] [from int]
!16 = metadata !{metadata !"0xd\00const_a\004\000\000\000\004097", metadata !33, metadata !13, metadata !17, i1 true} ; [ DW_TAG_member ] [const_a] [line 4, size 0, align 0, offset 0] [private] [static] [from ]
!17 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !18} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from bool]
!18 = metadata !{metadata !"0x24\00bool\000\008\008\000\000\002", null, null} ; [ DW_TAG_base_type ] [bool] [line 0, size 8, align 8, offset 0, enc DW_ATE_boolean]
!19 = metadata !{metadata !"0xd\00b\006\000\000\000\004098", metadata !33, metadata !13, metadata !9, null} ; [ DW_TAG_member ] [b] [line 6, size 0, align 0, offset 0] [protected] [static] [from int]
!20 = metadata !{metadata !"0xd\00const_b\007\000\000\000\004098", metadata !33, metadata !13, metadata !21, float 0x40091EB860000000} ; [ DW_TAG_member ] [const_b] [line 7, size 0, align 0, offset 0] [protected] [static] [from ]
!21 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !22} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from float]
!22 = metadata !{metadata !"0x24\00float\000\0032\0032\000\000\004", null, null} ; [ DW_TAG_base_type ] [float] [line 0, size 32, align 32, offset 0, enc DW_ATE_float]
!23 = metadata !{metadata !"0xd\00c\009\000\000\000\004099", metadata !33, metadata !13, metadata !9, null} ; [ DW_TAG_member ] [c] [line 9, size 0, align 0, offset 0] [static] [from int]
!24 = metadata !{metadata !"0xd\00const_c\0010\000\000\000\004099", metadata !33, metadata !13, metadata !25, i32 18} ; [ DW_TAG_member ] [const_c] [line 10, size 0, align 0, offset 0] [static] [from ]
!25 = metadata !{metadata !"0x26\00\000\000\000\000\000", null, null, metadata !9} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from int]
!26 = metadata !{metadata !"0xd\00d\0011\0032\0032\000\003", metadata !33, metadata !13, metadata !9} ; [ DW_TAG_member ] [d] [line 11, size 32, align 32, offset 0] [from int]
!27 = metadata !{metadata !"0x34\00b\00b\00_ZN1C1bE\0015\000\001", metadata !13, metadata !6, metadata !9, i32* @_ZN1C1bE, metadata !19} ; [ DW_TAG_variable ] [b] [line 15] [def]
!28 = metadata !{metadata !"0x34\00c\00c\00_ZN1C1cE\0016\000\001", metadata !13, metadata !6, metadata !9, i32* @_ZN1C1cE, metadata !23} ; [ DW_TAG_variable ] [c] [line 16] [def]
!29 = metadata !{metadata !"0x100\00instance_C\0020\000", metadata !5, metadata !6, metadata !13} ; [ DW_TAG_auto_variable ] [instance_C] [line 20]
!30 = metadata !{i32 20, i32 0, metadata !5, null}
!31 = metadata !{i32 21, i32 0, metadata !5, null}
!32 = metadata !{i32 22, i32 0, metadata !5, null}
!33 = metadata !{metadata !"/usr/local/google/home/blaikie/Development/llvm/src/tools/clang/test/CodeGenCXX/debug-info-static-member.cpp", metadata !"/home/blaikie/local/Development/llvm/build/clang/x86-64/Debug/llvm"}
; PRESENT verifies that static member declarations have these attributes:
; external, declaration, accessibility, and either DW_AT_MIPS_linkage_name
; (for variables) or DW_AT_const_value (for constants).
;
; PRESENT: .debug_info contents:
; PRESENT: DW_TAG_class_type
; PRESENT-NEXT: DW_AT_name {{.*}} "C"
; PRESENT: DW_TAG_member
; PRESENT-NEXT: DW_AT_name {{.*}} "a"
; PRESENT: DW_AT_external
; PRESENT: DW_AT_declaration
; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
; PRESENT: DW_TAG_member
; PRESENT-NEXT: DW_AT_name {{.*}} "const_a"
; PRESENT: DW_AT_external
; PRESENT: DW_AT_declaration
; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
; PRESENT: DW_AT_const_value {{.*}} (1)
; PRESENT: DW_TAG_member
; PRESENT-NEXT: DW_AT_name {{.*}} "b"
; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
; PRESENT: DW_TAG_member
; PRESENT-NEXT: DW_AT_name {{.*}} "const_b"
; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
; PRESENT: DW_AT_const_value [DW_FORM_udata] (1078523331)
; PRESENT: DW_TAG_member
; PRESENT-NEXT: DW_AT_name {{.*}} "c"
; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
; PRESENT: DW_TAG_member
; PRESENT-NEXT: DW_AT_name {{.*}} "const_c"
; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
; PRESENT: DW_AT_const_value {{.*}} (18)
; While we're here, a normal member has data_member_location and
; accessibility attributes.
; PRESENT: DW_TAG_member
; PRESENT-NEXT: DW_AT_name {{.*}} "d"
; PRESENT: DW_AT_data_member_location
; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
; PRESENT: NULL
; Definitions point back to their declarations, and have a location.
; PRESENT: DW_TAG_variable
; PRESENT-NEXT: DW_AT_specification {{.*}} "a"
; PRESENT-NEXT: DW_AT_location
; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"
; PRESENT: DW_TAG_variable
; PRESENT-NEXT: DW_AT_specification {{.*}} "b"
; PRESENT-NEXT: DW_AT_location
; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"
; PRESENT: DW_TAG_variable
; PRESENT-NEXT: DW_AT_specification {{.*}} "c"
; PRESENT-NEXT: DW_AT_location
; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"
; For Darwin gdb:
; DARWINP: .debug_info contents:
; DARWINP: DW_TAG_class_type
; DARWINP-NEXT: DW_AT_name {{.*}} "C"
; DARWINP: DW_TAG_member
; DARWINP-NEXT: DW_AT_name {{.*}} "a"
; DARWINP: DW_AT_external
; DARWINP: DW_AT_declaration
; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
; DARWINP: DW_TAG_member
; DARWINP-NEXT: DW_AT_name {{.*}} "const_a"
; DARWINP: DW_AT_external
; DARWINP: DW_AT_declaration
; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)
; DARWINP: DW_AT_const_value {{.*}} (1)
; DARWINP: DW_TAG_member
; DARWINP-NEXT: DW_AT_name {{.*}} "b"
; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
; DARWINP: DW_TAG_member
; DARWINP-NEXT: DW_AT_name {{.*}} "const_b"
; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)
; DARWINP: DW_AT_const_value [DW_FORM_udata] (1078523331)
; DARWINP: DW_TAG_member
; DARWINP-NEXT: DW_AT_name {{.*}} "c"
; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
; DARWINP: DW_TAG_member
; DARWINP-NEXT: DW_AT_name {{.*}} "const_c"
; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
; DARWINP: DW_AT_const_value {{.*}} (18)
; While we're here, a normal member has data_member_location and
; accessibility attributes.
; DARWINP: DW_TAG_member
; DARWINP-NEXT: DW_AT_name {{.*}} "d"
; DARWINP: DW_AT_data_member_location
; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)
; DARWINP: NULL
; Definitions point back to their declarations, and have a location.
; DARWINP: DW_TAG_variable
; DARWINP-NEXT: DW_AT_specification {{.*}} "a"
; DARWINP-NEXT: DW_AT_location
; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"
; DARWINP: DW_TAG_variable
; DARWINP-NEXT: DW_AT_specification {{.*}} "b"
; DARWINP-NEXT: DW_AT_location
; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"
; DARWINP: DW_TAG_variable
; DARWINP-NEXT: DW_AT_specification {{.*}} "c"
; DARWINP-NEXT: DW_AT_location
; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"
; ABSENT verifies that static member declarations do not have either
; DW_AT_location or DW_AT_data_member_location; also, variables do not
; have DW_AT_const_value and constants do not have DW_AT_linkage_name.
;
; ABSENT: .debug_info contents:
; ABSENT: DW_TAG_member
; ABSENT: DW_AT_name {{.*}} "a"
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "const_a"
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "b"
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "const_b"
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "c"
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: location
; ABSENT: DW_AT_name {{.*}} "const_c"
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: location
; While we're here, a normal member does not have a linkage name, constant
; value, or DW_AT_location.
; ABSENT: DW_AT_name {{.*}} "d"
; ABSENT-NOT: DW_AT_linkage_name
; ABSENT-NOT: DW_AT_const_value
; ABSENT-NOT: DW_AT_location
; ABSENT: NULL
; For Darwin gdb:
; DARWINA: .debug_info contents:
; DARWINA: DW_TAG_member
; DARWINA: DW_AT_name {{.*}} "a"
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "const_a"
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "b"
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "const_b"
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "c"
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: location
; DARWINA: DW_AT_name {{.*}} "const_c"
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: location
; While we're here, a normal member does not have a linkage name, constant
; value, or DW_AT_location.
; DARWINA: DW_AT_name {{.*}} "d"
; DARWINA-NOT: DW_AT_linkage_name
; DARWINA-NOT: DW_AT_const_value
; DARWINA-NOT: DW_AT_location
; DARWINA: NULL
!34 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
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