llvm/llvm/test/DebugInfo/cDefaultLower.ll

;; This test checks whether c default lowerBound is removed.
; REQUIRES: x86_64-linux

; RUN: %llc_dwarf %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s

;; c default DW_AT_lower_bound(0) is not dumped.
; CHECK-LABEL: DW_TAG_subrange_type
; CHECK-NEXT:   DW_AT_type
; CHECK-NEXT:   DW_AT_upper_bound     (4)

;; c non-default lowerBound=1 is dumped.
; CHECK-LABEL: DW_TAG_subrange_type
; CHECK-NEXT:   DW_AT_type
; CHECK-NEXT:   DW_AT_lower_bound     (1)
; CHECK-NEXT:   DW_AT_upper_bound     (5)

; ModuleID = 'cDefaultLower.c'
source_filename = "cDefaultLower.c"

!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2}

!0 = !{i32 2, !"Dwarf Version", i32 4}
!1 = !{i32 2, !"Debug Info Version", i32 3}
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !4, imports: !4)
!3 = !DIFile(filename: "cDefaultLower.c", directory: "dir")
!4 = !{}
!5 = !{!6, !10}
!6 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 160, align: 32, elements: !8)
!7 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)
!8 = !{!9}
!9 = !DISubrange(lowerBound: 0, upperBound: 4)
!10 = !DICompositeType(tag: DW_TAG_array_type, baseType: !7, size: 160, align: 32, elements: !11)
!11 = !{!12}
!12 = !DISubrange(lowerBound: 1, upperBound: 5)