xref: /llvm-project/llvm/test/DebugInfo/Generic/constant-pointers.ll (revision 5a288fa32e0c91b211e39f3e370255916902f898)
1; RUN: %llc_dwarf -O0 -filetype=obj %s -o - | llvm-dwarfdump -v -debug-info - | FileCheck %s
2
3; Ensure that pointer constants are emitted as unsigned data. Alternatively,
4; these could be signless data (dataN).
5
6; Built with Clang from:
7; template <ptr V, void (*F)(), int i>
8; void func() {}
9; template void func<nullptr, nullptr, 42>();
10
11; CHECK: DW_TAG_subprogram
12; CHECK:   DW_TAG_template_value_parameter
13; CHECK:     DW_AT_name {{.*}}"V"
14; CHECK:     DW_AT_const_value [DW_FORM_udata] (0)
15; CHECK:   DW_TAG_template_value_parameter
16; CHECK:     DW_AT_name {{.*}}"F"
17; CHECK:     DW_AT_const_value [DW_FORM_udata] (0)
18
19; Function Attrs: nounwind uwtable
20define weak_odr void @_Z4funcILPv0ELPFvvE0ELi42EEvv() #0 !dbg !4 {
21entry:
22  ret void, !dbg !18
23}
24
25attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
26
27!llvm.dbg.cu = !{!0}
28!llvm.module.flags = !{!15, !16}
29!llvm.ident = !{!17}
30
31!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
32!1 = !DIFile(filename: "constant-pointers.cpp", directory: "/tmp/dbginfo")
33!2 = !{}
34!4 = distinct !DISubprogram(name: "func<nullptr, nullptr, 42>", linkageName: "_Z4funcILPv0ELPFvvE0ELi42EEvv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, templateParams: !8, retainedNodes: !2)
35!5 = !DIFile(filename: "constant-pointers.cpp", directory: "/tmp/dbginfo")
36!6 = !DISubroutineType(types: !7)
37!7 = !{null}
38!8 = !{!9, !11, !13}
39!9 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "V", type: !10, value: i8 0)
40!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
41!11 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "F", type: !12, value: i8 0)
42!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !6)
43!13 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "i", type: !14, value: i32 42)
44!14 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
45!15 = !{i32 2, !"Dwarf Version", i32 4}
46!16 = !{i32 2, !"Debug Info Version", i32 3}
47!17 = !{!"clang version 3.5.0 "}
48!18 = !DILocation(line: 3, scope: !4)
49