llvm-6502/test/DebugInfo/enum.ll
Manman Ren 6e3cd0ebe2 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189282 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-26 22:39:55 +00:00

80 lines
4.3 KiB
LLVM

; REQUIRES: object-emission
; RUN: llc -O0 -filetype=obj < %s > %t
; RUN: llvm-dwarfdump %t | FileCheck %s
; IR generated from the following code compiled with clang -g:
; enum e1 { I, J = 0xffffffffU, K = 0xf000000000000000ULL } a;
; enum e2 { X };
; void func() {
; int b = X;
; }
; These values were previously being truncated to -1 and 0 respectively.
; CHECK: debug_info contents
; CHECK: DW_TAG_enumeration_type
; CHECK-NEXT: DW_AT_name{{.*}} = "e1"
; CHECK-NOT: NULL
; CHECK: DW_TAG_enumerator
; CHECK-NOT: NULL
; CHECK: DW_TAG_enumerator
; CHECK-NEXT: DW_AT_name{{.*}} = "J"
; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (4294967295)
; CHECK-NOT: NULL
; CHECK: DW_TAG_enumerator
; CHECK-NEXT: DW_AT_name{{.*}} = "K"
; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (-1152921504606846976)
; Check that we retain enums that aren't referenced by any variables, etc
; CHECK: DW_TAG_enumeration_type
; CHECK-NEXT: DW_AT_name{{.*}} = "e2"
; CHECK-NOT: NULL
; CHECK: DW_TAG_enumerator
; CHECK-NEXT: DW_AT_name{{.*}} = "X"
@a = global i64 0, align 8
; Function Attrs: nounwind uwtable
define void @_Z4funcv() #0 {
entry:
%b = alloca i32, align 4
call void @llvm.dbg.declare(metadata !{i32* %b}, metadata !20), !dbg !22
store i32 0, i32* %b, align 4, !dbg !22
ret void, !dbg !23
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata) #1
attributes #0 = { nounwind 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" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!19}
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !11, metadata !12, metadata !17, metadata !11, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/enum.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !"enum.cpp", metadata !"/tmp"}
!2 = metadata !{metadata !3, metadata !8}
!3 = metadata !{i32 786436, metadata !1, null, metadata !"e1", i32 1, i64 64, i64 64, i32 0, i32 0, null, metadata !4, i32 0, i32 0, null, null} ; [ DW_TAG_enumeration_type ] [e1] [line 1, size 64, align 64, offset 0] [def] [from ]
!4 = metadata !{metadata !5, metadata !6, metadata !7}
!5 = metadata !{i32 786472, metadata !"I", i64 0} ; [ DW_TAG_enumerator ] [I :: 0]
!6 = metadata !{i32 786472, metadata !"J", i64 4294967295} ; [ DW_TAG_enumerator ] [J :: 4294967295]
!7 = metadata !{i32 786472, metadata !"K", i64 -1152921504606846976} ; [ DW_TAG_enumerator ] [K :: 17293822569102704640]
!8 = metadata !{i32 786436, metadata !1, null, metadata !"e2", i32 2, i64 32, i64 32, i32 0, i32 0, null, metadata !9, i32 0, i32 0, null, null} ; [ DW_TAG_enumeration_type ] [e2] [line 2, size 32, align 32, offset 0] [def] [from ]
!9 = metadata !{metadata !10}
!10 = metadata !{i32 786472, metadata !"X", i64 0} ; [ DW_TAG_enumerator ] [X :: 0]
!11 = metadata !{i32 0}
!12 = metadata !{metadata !13}
!13 = metadata !{i32 786478, metadata !1, metadata !14, metadata !"func", metadata !"func", metadata !"_Z4funcv", i32 3, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4funcv, null, null, metadata !11, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [func]
!14 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/enum.cpp]
!15 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, i32 0, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!16 = metadata !{null}
!17 = metadata !{metadata !18}
!18 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !14, i32 1, metadata !3, i32 0, i32 1, i64* @a, null} ; [ DW_TAG_variable ] [a] [line 1] [def]
!19 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
!20 = metadata !{i32 786688, metadata !13, metadata !"b", metadata !14, i32 4, metadata !21, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [b] [line 4]
!21 = 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]
!22 = metadata !{i32 4, i32 0, metadata !13, null}
!23 = metadata !{i32 5, i32 0, metadata !13, null}