1;; This test checks whether DW_AT_rank attribute accepts constants. 2;; constants are interally stored as DIExpression. 3 4; RUN: llc %s -mtriple=x86_64 -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s 5 6;; Test whether DW_AT_data_location is generated. 7; CHECK-LABEL: DW_TAG_array_type 8 9; CHECK: DW_AT_rank (DW_OP_push_object_address, DW_OP_plus_uconst 0x8, DW_OP_deref) 10; CHECK: DW_TAG_generic_subrange 11; CHECK: DW_AT_lower_bound (-20) 12; CHECK: DW_AT_upper_bound (0) 13; CHECK: DW_AT_byte_stride (4) 14 15;; Test case is hand written with the help of below testcase 16;;------------------------------ 17;;subroutine sub(arank) 18;; real :: arank(..) 19;; print *, RANK(arank) 20;;end 21;;------------------------------ 22 23; ModuleID = 'dwarfdump-subrange_const.ll' 24source_filename = "dwarfdump-subrange_const.ll" 25 26define void @sub_(ptr noalias %arank, ptr noalias %"arank$sd") !dbg !5 { 27L.entry: 28 call void @llvm.dbg.value(metadata ptr %arank, metadata !17, metadata !DIExpression()), !dbg !18 29 call void @llvm.dbg.declare(metadata ptr %"arank$sd", metadata !19, metadata !DIExpression()), !dbg !18 30 call void @llvm.dbg.declare(metadata ptr %"arank$sd", metadata !29, metadata !DIExpression()), !dbg !18 31 ret void, !dbg !18 32} 33 34; Function Attrs: nounwind readnone speculatable willreturn 35declare void @llvm.dbg.declare(metadata, metadata, metadata) 36 37; Function Attrs: nounwind readnone speculatable willreturn 38declare void @llvm.dbg.value(metadata, metadata, metadata) 39 40!llvm.module.flags = !{!0, !1} 41!llvm.dbg.cu = !{!2} 42 43!0 = !{i32 2, !"Dwarf Version", i32 4} 44!1 = !{i32 2, !"Debug Info Version", i32 3} 45!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) 46!3 = !DIFile(filename: "generic_subrange_const.f90", directory: "/dir") 47!4 = !{} 48!5 = distinct !DISubprogram(name: "sub", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2) 49!6 = !DISubroutineType(types: !7) 50!7 = !{null, !8, !14} 51!8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 32, align: 32, elements: !10) 52!9 = !DIBasicType(name: "real", size: 32, align: 32, encoding: DW_ATE_float) 53!10 = !{!11} 54!11 = !DISubrange(lowerBound: 1, upperBound: !12) 55!12 = distinct !DILocalVariable(scope: !5, file: !3, type: !13, flags: DIFlagArtificial) 56!13 = !DIBasicType(name: "integer*8", size: 64, align: 64, encoding: DW_ATE_signed) 57!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 1024, align: 64, elements: !15) 58!15 = !{!16} 59!16 = !DISubrange(lowerBound: 1, upperBound: 16) 60!17 = distinct !DILocalVariable(scope: !5, file: !3, type: !13, flags: DIFlagArtificial) 61!18 = !DILocation(line: 0, scope: !5) 62!19 = !DILocalVariable(name: "arank", arg: 1, scope: !5, file: !3, line: 1, type: !20) 63!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 32, align: 32, elements: !21, dataLocation: !17, rank: !DIExpression(DW_OP_push_object_address, DW_OP_plus_uconst, 8, DW_OP_deref)) 64!21 = !{!22} 65!22 = !DIGenericSubrange(lowerBound: -20, upperBound: 0, stride: 4) 66!29 = !DILocalVariable(arg: 2, scope: !5, file: !3, line: 1, type: !14, flags: DIFlagArtificial) 67