1 files changed, 51 insertions, 0 deletions
diff --git a/test/DebugInfo/Generic/constant-pointers.ll b/test/DebugInfo/Generic/constant-pointers.ll
new file mode 100644
index 000000000000..af0b6b0743c0
--- /dev/null
+++ b/test/DebugInfo/Generic/constant-pointers.ll
@@ -0,0 +1,51 @@
+; REQUIRES: object-emission
+
+; RUN: %llc_dwarf -O0 -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+
+; Ensure that pointer constants are emitted as unsigned data. Alternatively,
+; these could be signless data (dataN).
+
+; Built with Clang from:
+; template <void *V, void (*F)(), int i>
+; void func() {}
+; template void func<nullptr, nullptr, 42>();
+
+; CHECK: DW_TAG_subprogram
+; CHECK:   DW_TAG_template_value_parameter
+; CHECK:     DW_AT_name {{.*}} "V"
+; CHECK:     DW_AT_const_value [DW_FORM_udata] (0)
+; CHECK:   DW_TAG_template_value_parameter
+; CHECK:     DW_AT_name {{.*}} "F"
+; CHECK:     DW_AT_const_value [DW_FORM_udata] (0)
+
+; Function Attrs: nounwind uwtable
+define weak_odr void @_Z4funcILPv0ELPFvvE0ELi42EEvv() #0 !dbg !4 {
+entry:
+  ret void, !dbg !18
+}
+
+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" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!15, !16}
+!llvm.ident = !{!17}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "constant-pointers.cpp", directory: "/tmp/dbginfo")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "func<nullptr, nullptr, 42>", linkageName: "_Z4funcILPv0ELPFvvE0ELi42EEvv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !5, type: !6, templateParams: !8, variables: !2)
+!5 = !DIFile(filename: "constant-pointers.cpp", directory: "/tmp/dbginfo")
+!6 = !DISubroutineType(types: !7)
+!7 = !{null}
+!8 = !{!9, !11, !13}
+!9 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "V", type: !10, value: i8 0)
+!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
+!11 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "F", type: !12, value: i8 0)
+!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !6)
+!13 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "i", type: !14, value: i32 42)
+!14 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!15 = !{i32 2, !"Dwarf Version", i32 4}
+!16 = !{i32 2, !"Debug Info Version", i32 3}
+!17 = !{!"clang version 3.5.0 "}
+!18 = !DILocation(line: 3, scope: !4)