| ;; This test checks whether DW_AT_data_location attribute |
| ;; accepts DIExpression. |
| ; REQUIRES: x86_64-linux |
| |
| ; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -filetype=obj -o %t.o |
| ; RUN: llvm-dwarfdump %t.o | FileCheck %s |
| |
| ;; Test whether DW_AT_data_location is generated. |
| ; CHECK-LABEL: DW_TAG_array_type |
| |
| ; CHECK: DW_AT_data_location (DW_OP_constu 0x1a85) |
| ; CHECK: DW_TAG_subrange_type |
| |
| ;; Test case is hand written with the help of below testcase |
| ;;------------------------------ |
| ;;program main |
| ;;integer, allocatable :: arr(:) |
| ;;allocate(arr(2:20)) |
| ;;arr(2)=99 |
| ;;print *, arr |
| ;;end program main |
| ;;------------------------------ |
| |
| ; ModuleID = 'fortsubrange.ll' |
| source_filename = "fortsubrange.ll" |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| define void @MAIN_() !dbg !5 { |
| L.entry: |
| %.Z0640_333 = alloca ptr, align 8 |
| %"arr$sd1_349" = alloca [16 x i64], align 8 |
| call void @llvm.dbg.declare(metadata ptr %"arr$sd1_349", metadata !8, metadata !DIExpression()), !dbg !14 |
| call void @llvm.dbg.declare(metadata ptr %.Z0640_333, metadata !15, metadata !DIExpression()), !dbg !14 |
| ret void, !dbg !17 |
| } |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(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: !9, file: !3, type: !10) |
| !9 = !DILexicalBlock(scope: !5, file: !3, line: 1, column: 1) |
| ;; We intend to use DW_OP_push_object_address, since that is not available yet, |
| ;; we are using meaning less expression |
| ;;!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)) |
| !10 = !DICompositeType(tag: DW_TAG_array_type, baseType: !11, size: 32, align: 32, elements: !12, dataLocation: !DIExpression(DW_OP_constu, 6789)) |
| !11 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed) |
| !12 = !{!13} |
| !13 = !DISubrange(count: 19, lowerBound: 2) |
| !14 = !DILocation(line: 0, scope: !9) |
| !15 = distinct !DILocalVariable(scope: !9, file: !3, type: !16, flags: DIFlagArtificial) |
| !16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 32, align: 32) |
| !17 = !DILocation(line: 6, column: 1, scope: !9) |