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1;; This test checks whether DW_AT_data_location attribute2;; accepts DIExpression.3; REQUIRES: x86_64-linux4 5; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -filetype=obj -o %t.o6; RUN: llvm-dwarfdump %t.o | FileCheck %s7 8;; Test whether DW_AT_data_location is generated.9; CHECK-LABEL: DW_TAG_array_type10 11; CHECK: DW_AT_data_location (DW_OP_constu 0x1a85)12; CHECK: DW_TAG_subrange_type13 14;; Test case is hand written with the help of below testcase15;;------------------------------16;;program main17;;integer, allocatable :: arr(:)18;;allocate(arr(2:20))19;;arr(2)=9920;;print *, arr21;;end program main22;;------------------------------23 24; ModuleID = 'fortsubrange.ll'25source_filename = "fortsubrange.ll"26target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"27target triple = "x86_64-unknown-linux-gnu"28 29define void @MAIN_() !dbg !5 {30L.entry:31 %.Z0640_333 = alloca ptr, align 832 %"arr$sd1_349" = alloca [16 x i64], align 833 call void @llvm.dbg.declare(metadata ptr %"arr$sd1_349", metadata !8, metadata !DIExpression()), !dbg !1434 call void @llvm.dbg.declare(metadata ptr %.Z0640_333, metadata !15, metadata !DIExpression()), !dbg !1435 ret void, !dbg !1736}37 38; Function Attrs: nounwind readnone speculatable willreturn39declare void @llvm.dbg.declare(metadata, metadata, metadata)40 41; Function Attrs: nounwind readnone speculatable willreturn42declare void @llvm.dbg.value(metadata, metadata, metadata)43 44!llvm.module.flags = !{!0, !1}45!llvm.dbg.cu = !{!2}46 47!0 = !{i32 2, !"Dwarf Version", i32 4}48!1 = !{i32 2, !"Debug Info Version", i32 3}49!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)50!3 = !DIFile(filename: "fortsubrange.f90", directory: "/dir")51!4 = !{}52!5 = distinct !DISubprogram(name: "main", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !2)53!6 = !DISubroutineType(cc: DW_CC_program, types: !7)54!7 = !{null}55!8 = !DILocalVariable(name: "arr", scope: !9, file: !3, type: !10)56!9 = !DILexicalBlock(scope: !5, file: !3, line: 1, column: 1)57;; We intend to use DW_OP_push_object_address, since that is not available yet,58;; we are using meaning less expression59;;!10 = !DICompositeType(tag: DW_TAG_array_type, baseType: !11, size: 32, align: 32, elements: !12, dataLocation: !DIExpression(DW_OP_push_object_address, DW_OP_deref))60!10 = !DICompositeType(tag: DW_TAG_array_type, baseType: !11, size: 32, align: 32, elements: !12, dataLocation: !DIExpression(DW_OP_constu, 6789))61!11 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)62!12 = !{!13}63!13 = !DISubrange(count: 19, lowerBound: 2)64!14 = !DILocation(line: 0, scope: !9)65!15 = distinct !DILocalVariable(scope: !9, file: !3, type: !16, flags: DIFlagArtificial)66!16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 32, align: 32)67!17 = !DILocation(line: 6, column: 1, scope: !9)68