llvm-project/llvm/test/DebugInfo/Generic/constant-pointers.ll
Mehdi Amini d178f4fc89 Make the default triple optional by allowing an empty string
When building LLVM as a (potentially dynamic) library that can be linked against
by multiple compilers, the default triple is not really meaningful.
We allow to explicitely set it to an empty string when configuring LLVM.
In this case, said "target independent" tests in the test suite that are using
the default triple are disabled by matching the newly available feature
"default_triple".

Reviewers: probinson, echristo
Differential Revision: http://reviews.llvm.org/D12660

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 247775
2015-09-16 05:34:32 +00:00

52 lines
2.6 KiB
LLVM

; 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 {
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, function: void ()* @_Z4funcILPv0ELPFvvE0ELi42EEvv, 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)