1 ;; This test checks DISubrange bounds for DIVariable
2 ; REQUIRES: x86_64-linux
4 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
6 ;; Test whether bounds are generated correctly.
7 ; CHECK: [[DIE1:0x.+]]: DW_TAG_variable
8 ; CHECK: DW_AT_location
9 ; CHECK-SAME: DW_OP_plus_uconst 0x70, DW_OP_deref, DW_OP_lit4, DW_OP_mul
10 ; CHECK: [[DIE2:0x.+]]: DW_TAG_variable
11 ; CHECK: DW_AT_location
12 ; CHECK-SAME: DW_OP_plus_uconst 0x78
13 ; CHECK: [[DIE3:0x.+]]: DW_TAG_variable
14 ; CHECK: DW_AT_location
15 ; CHECK-SAME: DW_OP_plus_uconst 0x50
16 ; CHECK: DW_TAG_subrange_type
17 ; CHECK: DW_AT_lower_bound ([[DIE3]])
18 ; CHECK-NEXT: DW_AT_upper_bound ([[DIE2]])
19 ; CHECK-NEXT: DW_AT_byte_stride ([[DIE1]])
22 ; ModuleID = 'fortsubrange.ll'
23 source_filename = "fortsubrange.ll"
25 define void @MAIN_() !dbg !5 {
27 %.Z0640_333 = alloca ptr, align 8
28 %"arr$sd1_349" = alloca [16 x i64], align 8
29 call void @llvm.dbg.declare(metadata ptr %.Z0640_333, metadata !8, metadata !DIExpression(DW_OP_deref)), !dbg !17
30 call void @llvm.dbg.declare(metadata ptr %"arr$sd1_349", metadata !13, metadata !DIExpression(DW_OP_plus_uconst, 80)), !dbg !17
31 call void @llvm.dbg.value(metadata ptr %"arr$sd1_349", metadata !16, metadata !DIExpression(DW_OP_plus_uconst, 112, DW_OP_deref, DW_OP_constu, 4, DW_OP_mul)), !dbg !17
32 call void @llvm.dbg.declare(metadata ptr %"arr$sd1_349", metadata !15, metadata !DIExpression(DW_OP_plus_uconst, 120)), !dbg !17
36 ; Function Attrs: nounwind readnone speculatable willreturn
37 declare void @llvm.dbg.declare(metadata, metadata, metadata)
39 ; Function Attrs: nounwind readnone speculatable willreturn
40 declare void @llvm.dbg.value(metadata, metadata, metadata)
42 !llvm.module.flags = !{!0, !1}
45 !0 = !{i32 2, !"Dwarf Version", i32 4}
46 !1 = !{i32 2, !"Debug Info Version", i32 3}
47 !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)
48 !3 = !DIFile(filename: "fortsubrange.f90", directory: "/dir")
50 !5 = distinct !DISubprogram(name: "main", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagMainSubprogram, unit: !2)
51 !6 = !DISubroutineType(cc: DW_CC_program, types: !7)
53 !8 = !DILocalVariable(name: "arr", scope: !5, file: !3, type: !9)
54 !9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 32, align: 32, elements: !11)
55 !10 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)
57 !12 = !DISubrange(lowerBound: !13, upperBound: !15, stride: !16)
58 !13 = distinct !DILocalVariable(scope: !5, file: !3, type: !14, flags: DIFlagArtificial)
59 !14 = !DIBasicType(name: "integer*8", size: 64, align: 64, encoding: DW_ATE_signed)
60 !15 = distinct !DILocalVariable(scope: !5, file: !3, type: !14, flags: DIFlagArtificial)
61 !16 = distinct !DILocalVariable(scope: !5, file: !3, type: !14, flags: DIFlagArtificial)
62 !17 = !DILocation(line: 0, scope: !5)
63 !18 = !DILocation(line: 6, column: 1, scope: !5)