xref: /llvm-project/llvm/test/DebugInfo/fortranSubrangeInt.ll (revision 391f323690b9ef84d13a09ff07fb805008401fee)

;; This test checks DISubrange bounds for constants
; REQUIRES: x86_64-linux

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

;; Test whether bounds are generated correctly.
; CHECK-LABEL:  DW_TAG_array_type
; CHECK:       DW_TAG_subrange_type
; CHECK:           DW_AT_lower_bound     (-10)
; CHECK-NEXT:      DW_AT_upper_bound     (10)
; CHECK-NEXT:      DW_AT_byte_stride     (4)

; ModuleID = 'fortsubrange.ll'
source_filename = "fortsubrange.ll"

define void @MAIN_() !dbg !5 {
L.entry:
  %"arr$sd1_349" = alloca [16 x i64], align 8
  call void @llvm.dbg.declare(metadata ptr %"arr$sd1_349", metadata !8, metadata !DIExpression()), !dbg !13
  ret void, !dbg !14
}

; Function Attrs: nounwind readnone speculatable willreturn
declare void @llvm.dbg.declare(metadata, metadata, metadata)

!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_Fortran90, file: !3, producer: " F90 Flang - 1.5 2017-05-01", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4, globals: !4, imports: !4)
!3 = !DIFile(filename: "fortsubrange.f90", directory: "/dir")
!4 = !{}
!5 = distinct !DISubprogram(name: "main", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !2)
!6 = !DISubroutineType(cc: DW_CC_program, types: !7)
!7 = !{null}
!8 = !DILocalVariable(name: "arr", scope: !5, file: !3, type: !9)
!9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 32, align: 32, elements: !11)
!10 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)
!11 = !{!12}
!12 = !DISubrange(lowerBound: -10, upperBound: 10, stride: 4)
!13 = !DILocation(line: 0, scope: !5)
!14 = !DILocation(line: 6, column: 1, scope: !5)