1 ;; This test checks whether DW_AT_data_location attribute
3 ; REQUIRES: x86_64-linux
5 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -filetype=obj -o %t.o
6 ; RUN: llvm-dwarfdump %t.o | FileCheck %s
8 ;; Test whether DW_AT_data_location is generated.
9 ; CHECK: [[LOCDIE:0x.+]]: DW_TAG_variable
10 ; CHECK: DW_AT_artificial (true)
11 ; CHECK: DW_TAG_variable
12 ; CHECK: DW_AT_name ("arr")
13 ; CHECK: DW_TAG_array_type
14 ; CHECK-NEXT: DW_AT_data_location ([[LOCDIE]])
16 ;; Test case is hand written with the help of below testcase
17 ;;------------------------------
19 ;;integer, allocatable :: arr(:)
24 ;;------------------------------
26 ; ModuleID = 'fortsubrange.ll'
27 source_filename = "fortsubrange.ll"
28 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
29 target triple = "x86_64-unknown-linux-gnu"
31 define void @MAIN_() !dbg !5 {
33 %.Z0640_333 = alloca i32*, align 8
34 %"arr$sd1_349" = alloca [16 x i64], align 8
35 call void @llvm.dbg.declare(metadata [16 x i64]* %"arr$sd1_349", metadata !8, metadata !DIExpression()), !dbg !16
36 call void @llvm.dbg.declare(metadata i32** %.Z0640_333, metadata !14, metadata !DIExpression()), !dbg !16
40 ; Function Attrs: nounwind readnone speculatable willreturn
41 declare void @llvm.dbg.declare(metadata, metadata, metadata)
43 ; Function Attrs: nounwind readnone speculatable willreturn
44 declare void @llvm.dbg.value(metadata, metadata, metadata)
46 !llvm.module.flags = !{!0, !1}
49 !0 = !{i32 2, !"Dwarf Version", i32 4}
50 !1 = !{i32 2, !"Debug Info Version", i32 3}
51 !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)
52 !3 = !DIFile(filename: "fortsubrange.f90", directory: "/dir")
54 !5 = distinct !DISubprogram(name: "main", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !2)
55 !6 = !DISubroutineType(cc: DW_CC_program, types: !7)
57 !8 = !DILocalVariable(name: "arr", scope: !9, file: !3, type: !10)
58 !9 = !DILexicalBlock(scope: !5, file: !3, line: 1, column: 1)
59 !10 = !DICompositeType(tag: DW_TAG_array_type, baseType: !11, size: 32, align: 32, elements: !12, dataLocation: !14)
60 !11 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)
62 !13 = !DISubrange(count: 19, lowerBound: 2)
63 !14 = distinct !DILocalVariable(scope: !9, file: !3, type: !15, flags: DIFlagArtificial)
64 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 32, align: 32)
65 !16 = !DILocation(line: 0, scope: !9)
66 !17 = !DILocation(line: 6, column: 1, scope: !9)