1;; This test checks whether DW_AT_data_location attribute 2;; accepts DIExpression. 3; REQUIRES: x86_64-linux 4 5; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -filetype=obj -o %t.o 6; RUN: llvm-dwarfdump %t.o | FileCheck %s 7 8;; Test whether DW_AT_data_location is generated. 9; CHECK-LABEL: DW_TAG_array_type 10 11; CHECK: DW_AT_data_location (DW_OP_constu 0x1a85) 12; CHECK: DW_TAG_subrange_type 13 14;; Test case is hand written with the help of below testcase 15;;------------------------------ 16;;program main 17;;integer, allocatable :: arr(:) 18;;allocate(arr(2:20)) 19;;arr(2)=99 20;;print *, arr 21;;end program main 22;;------------------------------ 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 8 32 %"arr$sd1_349" = alloca [16 x i64], align 8 33 call void @llvm.dbg.declare(metadata ptr %"arr$sd1_349", metadata !8, metadata !DIExpression()), !dbg !14 34 call void @llvm.dbg.declare(metadata ptr %.Z0640_333, metadata !15, metadata !DIExpression()), !dbg !14 35 ret void, !dbg !17 36} 37 38; Function Attrs: nounwind readnone speculatable willreturn 39declare void @llvm.dbg.declare(metadata, metadata, metadata) 40 41; Function Attrs: nounwind readnone speculatable willreturn 42declare 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 expression 59;;!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