1
; REQUIRES: object-emission
3
; RUN: %llc_dwarf -O0 -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s
4
; Use correct signedness when emitting constants of derived (sugared) types.
6
; Test compiled to IR from clang with -O1 and the following source:
10
; void func(char16_t);
14
; const unsigned j = 117;
20
; CHECK: DW_AT_const_value [DW_FORM_sdata] (42)
21
; CHECK: DW_AT_const_value [DW_FORM_udata] (117)
22
; CHECK: DW_AT_const_value [DW_FORM_udata] (7)
24
; Function Attrs: uwtable
25
define i32 @main() #0 {
27
tail call void @llvm.dbg.value(metadata i32 42, i64 0, metadata !10, metadata !DIExpression()), !dbg !21
28
tail call void @_Z4funci(i32 42), !dbg !22
29
tail call void @llvm.dbg.value(metadata i32 117, i64 0, metadata !12, metadata !DIExpression()), !dbg !24
30
tail call void @_Z4funcj(i32 117), !dbg !25
31
tail call void @llvm.dbg.value(metadata i16 7, i64 0, metadata !15, metadata !DIExpression()), !dbg !27
32
tail call void @_Z4funcDs(i16 zeroext 7), !dbg !28
36
declare void @_Z4funci(i32) #1
38
declare void @_Z4funcj(i32) #1
40
declare void @_Z4funcDs(i16 zeroext) #1
42
; Function Attrs: nounwind readnone
43
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
45
attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
46
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
47
attributes #2 = { nounwind readnone }
50
!llvm.module.flags = !{!17, !18}
53
!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
54
!1 = !DIFile(filename: "const.cpp", directory: "/tmp/dbginfo")
57
!4 = !DISubprogram(name: "main", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 4, file: !1, scope: !5, type: !6, function: i32 ()* @main, variables: !9)
58
!5 = !DIFile(filename: "const.cpp", directory: "/tmp/dbginfo")
59
!6 = !DISubroutineType(types: !7)
61
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
63
!10 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "i", line: 5, scope: !4, file: !5, type: !11)
64
!11 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
65
!12 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "j", line: 7, scope: !4, file: !5, type: !13)
66
!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !14)
67
!14 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
68
!15 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "c", line: 9, scope: !4, file: !5, type: !16)
69
!16 = !DIBasicType(tag: DW_TAG_base_type, name: "char16_t", size: 16, align: 16, encoding: 16)
70
!17 = !{i32 2, !"Dwarf Version", i32 4}
71
!18 = !{i32 1, !"Debug Info Version", i32 3}
72
!19 = !{!"clang version 3.5.0 "}
74
!21 = !DILocation(line: 5, scope: !4)
75
!22 = !DILocation(line: 6, scope: !4)
77
!24 = !DILocation(line: 7, scope: !4)
78
!25 = !DILocation(line: 8, scope: !4)
80
!27 = !DILocation(line: 9, scope: !4)
81
!28 = !DILocation(line: 10, scope: !4)
82
!29 = !DILocation(line: 11, scope: !4)