1 ;; This test checks whether DW_AT_rank attribute accepts DIExpression.
3 ; RUN: llc %s -mtriple=x86_64 -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
5 ;; Test whether DW_AT_data_location is generated.
6 ; CHECK-LABEL: DW_TAG_array_type
8 ; CHECK: DW_AT_rank (DW_OP_push_object_address, DW_OP_plus_uconst 0x8, DW_OP_deref)
9 ; CHECK: DW_TAG_generic_subrange
10 ; CHECK: DW_AT_lower_bound (DW_OP_push_object_address, DW_OP_over, DW_OP_constu 0x30, DW_OP_mul, DW_OP_plus_uconst 0x50, DW_OP_plus, DW_OP_deref)
11 ; CHECK: DW_AT_upper_bound (DW_OP_push_object_address, DW_OP_over, DW_OP_constu 0x30, DW_OP_mul, DW_OP_plus_uconst 0x78, DW_OP_plus, DW_OP_deref)
12 ; CHECK: DW_AT_byte_stride (DW_OP_push_object_address, DW_OP_over, DW_OP_constu 0x30, DW_OP_mul, DW_OP_plus_uconst 0x70, DW_OP_plus, DW_OP_deref, DW_OP_lit4, DW_OP_mul)
14 ;; Test case is hand written with the help of below testcase
15 ;;------------------------------
16 ;;subroutine sub(arank)
18 ;; print *, RANK(arank)
20 ;;------------------------------
22 ; ModuleID = 'dwarfdump-generic_subrange.ll'
23 source_filename = "dwarfdump-generic_subrange.ll"
25 define void @sub_(ptr noalias %arank, ptr noalias %"arank$sd") !dbg !5 {
27 call void @llvm.dbg.value(metadata ptr %arank, metadata !17, metadata !DIExpression()), !dbg !18
28 call void @llvm.dbg.declare(metadata ptr %"arank$sd", metadata !19, metadata !DIExpression()), !dbg !18
29 call void @llvm.dbg.declare(metadata ptr %"arank$sd", metadata !29, metadata !DIExpression()), !dbg !18
33 ; Function Attrs: nounwind readnone speculatable willreturn
34 declare void @llvm.dbg.declare(metadata, metadata, metadata)
36 ; Function Attrs: nounwind readnone speculatable willreturn
37 declare void @llvm.dbg.value(metadata, metadata, metadata)
39 !llvm.module.flags = !{!0, !1}
42 !0 = !{i32 2, !"Dwarf Version", i32 4}
43 !1 = !{i32 2, !"Debug Info Version", i32 3}
44 !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)
45 !3 = !DIFile(filename: "generic_subrange.f90", directory: "/dir")
47 !5 = distinct !DISubprogram(name: "sub", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2)
48 !6 = !DISubroutineType(types: !7)
50 !8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 32, align: 32, elements: !10)
51 !9 = !DIBasicType(name: "real", size: 32, align: 32, encoding: DW_ATE_float)
53 !11 = !DISubrange(lowerBound: 1, upperBound: !12)
54 !12 = distinct !DILocalVariable(scope: !5, file: !3, type: !13, flags: DIFlagArtificial)
55 !13 = !DIBasicType(name: "integer*8", size: 64, align: 64, encoding: DW_ATE_signed)
56 !14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 1024, align: 64, elements: !15)
58 !16 = !DISubrange(lowerBound: 1, upperBound: 16)
59 !17 = distinct !DILocalVariable(scope: !5, file: !3, type: !13, flags: DIFlagArtificial)
60 !18 = !DILocation(line: 0, scope: !5)
61 !19 = !DILocalVariable(name: "arank", arg: 1, scope: !5, file: !3, line: 1, type: !20)
62 !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 !22 = !DIGenericSubrange(lowerBound: !DIExpression(DW_OP_push_object_address, DW_OP_over, DW_OP_constu, 48, DW_OP_mul, DW_OP_plus_uconst, 80, DW_OP_plus, DW_OP_deref), upperBound: !DIExpression(DW_OP_push_object_address, DW_OP_over, DW_OP_constu, 48, DW_OP_mul, DW_OP_plus_uconst, 120, DW_OP_plus, DW_OP_deref), stride: !DIExpression(DW_OP_push_object_address, DW_OP_over, DW_OP_constu, 48, DW_OP_mul, DW_OP_plus_uconst, 112, DW_OP_plus, DW_OP_deref, DW_OP_constu, 4, DW_OP_mul))
65 !29 = !DILocalVariable(arg: 2, scope: !5, file: !3, line: 1, type: !14, flags: DIFlagArtificial)