1; RUN: llc %s -O2 -filetype=obj -o %t.o 2; RUN: llvm-dwarfdump %t.o | FileCheck %s 3 4; Test whether DW_AT_data_location is generated. 5; CHECK-LABEL: DW_TAG_array_type 6; CHECK: DW_AT_allocated (DW_OP_push_object_address, DW_OP_deref) 7; CHECK-NOT: DW_TAG 8; CHECK: DW_TAG_subrange_type 9 10; Test case is hand written with the help of below testcase 11;------------------------------ 12;program main 13;integer, allocatable :: arr(:) 14;allocate(arr(2:20)) 15;arr(2)=99 16;print *, arr 17;end program main 18;------------------------------ 19 20; ModuleID = 'allocated.ll' 21source_filename = "allocated.ll" 22target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 23target triple = "x86_64-unknown-linux-gnu" 24 25define void @MAIN_() !dbg !5 { 26L.entry: 27 %.Z0640_333 = alloca i32*, align 8 28 %"arr$sd1_349" = alloca [16 x i64], align 8 29 call void @llvm.dbg.declare(metadata [16 x i64]* %"arr$sd1_349", metadata !8, metadata !DIExpression()), !dbg !13 30 call void @llvm.dbg.declare(metadata i32** %.Z0640_333, metadata !14, metadata !DIExpression()), !dbg !13 31 ret void, !dbg !16 32} 33 34; Function Attrs: nounwind readnone speculatable willreturn 35declare void @llvm.dbg.declare(metadata, metadata, metadata) 36 37!llvm.module.flags = !{!0, !1} 38!llvm.dbg.cu = !{!2} 39 40!0 = !{i32 2, !"Dwarf Version", i32 4} 41!1 = !{i32 2, !"Debug Info Version", i32 3} 42!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) 43!3 = !DIFile(filename: "allocated.f90", directory: "/dir") 44!4 = !{} 45!5 = distinct !DISubprogram(name: "main", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !2) 46!6 = !DISubroutineType(cc: DW_CC_program, types: !7) 47!7 = !{null} 48!8 = !DILocalVariable(name: "arr", scope: !5, file: !3, type: !9) 49!9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 32, align: 32, elements: !11, dataLocation: !DIExpression(DW_OP_push_object_address, DW_OP_deref), allocated: !DIExpression(DW_OP_push_object_address, DW_OP_deref)) 50!10 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed) 51!11 = !{!12} 52!12 = !DISubrange(count: 19, lowerBound: 2) 53!13 = !DILocation(line: 0, scope: !5) 54!14 = distinct !DILocalVariable(scope: !5, file: !3, type: !15, flags: DIFlagArtificial) 55!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 32, align: 32) 56!16 = !DILocation(line: 6, column: 1, scope: !5) 57