xref: /llvm-project/llvm/test/DebugInfo/X86/dwarfdump-signed_const.ll (revision 5a288fa32e0c91b211e39f3e370255916902f898)
1;; This test checks whether DW_OP_consts is emitted correctly.
2
3; RUN: llc %s -mtriple=x86_64 -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
4
5;; Test whether DW_AT_data_location is generated.
6; CHECK-LABEL:  DW_TAG_array_type
7
8;; Check whether negative values are emitted correctly.
9; CHECK:  DW_AT_rank (DW_OP_consts -1)
10; CHECK:  DW_TAG_generic_subrange
11;; Check whether positive values are emitted correctly.
12; CHECK:  DW_AT_lower_bound     (DW_OP_push_object_address, DW_OP_over, DW_OP_consts +48, DW_OP_mul, DW_OP_plus_uconst 0x50, DW_OP_plus, DW_OP_deref)
13; CHECK:  DW_AT_upper_bound     (DW_OP_push_object_address, DW_OP_over, DW_OP_consts +48, DW_OP_mul, DW_OP_plus_uconst 0x78, DW_OP_plus, DW_OP_deref)
14; CHECK:  DW_AT_byte_stride     (DW_OP_push_object_address, DW_OP_over, DW_OP_consts +48, DW_OP_mul, DW_OP_plus_uconst 0x70, DW_OP_plus, DW_OP_deref, DW_OP_consts +4, DW_OP_mul)
15
16;; Test case is hand written with the help of below testcase
17;;------------------------------
18;;subroutine sub(arank)
19;;  real :: arank(..)
20;;  print *, RANK(arank)
21;;end
22;;------------------------------
23
24; ModuleID = 'dwarfdump-signed_const.ll'
25source_filename = "dwarfdump-signed_const.ll"
26
27define void @sub_(ptr noalias %arank, ptr noalias %"arank$sd") !dbg !5 {
28L.entry:
29  call void @llvm.dbg.value(metadata ptr %arank, metadata !17, metadata !DIExpression()), !dbg !18
30  call void @llvm.dbg.declare(metadata ptr %"arank$sd", metadata !19, metadata !DIExpression()), !dbg !18
31  call void @llvm.dbg.declare(metadata ptr %"arank$sd", metadata !29, metadata !DIExpression()), !dbg !18
32  ret void, !dbg !18
33}
34
35; Function Attrs: nounwind readnone speculatable willreturn
36declare void @llvm.dbg.declare(metadata, metadata, metadata)
37
38; Function Attrs: nounwind readnone speculatable willreturn
39declare void @llvm.dbg.value(metadata, metadata, metadata)
40
41!llvm.module.flags = !{!0, !1}
42!llvm.dbg.cu = !{!2}
43
44!0 = !{i32 2, !"Dwarf Version", i32 4}
45!1 = !{i32 2, !"Debug Info Version", i32 3}
46!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)
47!3 = !DIFile(filename: "generic_signed_const.f90", directory: "/dir")
48!4 = !{}
49!5 = distinct !DISubprogram(name: "sub", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2)
50!6 = !DISubroutineType(types: !7)
51!7 = !{null, !8, !14}
52!8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 32, align: 32, elements: !10)
53!9 = !DIBasicType(name: "real", size: 32, align: 32, encoding: DW_ATE_float)
54!10 = !{!11}
55!11 = !DISubrange(lowerBound: 1, upperBound: !12)
56!12 = distinct !DILocalVariable(scope: !5, file: !3, type: !13, flags: DIFlagArtificial)
57!13 = !DIBasicType(name: "integer*8", size: 64, align: 64, encoding: DW_ATE_signed)
58!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 1024, align: 64, elements: !15)
59!15 = !{!16}
60!16 = !DISubrange(lowerBound: 1, upperBound: 16)
61!17 = distinct !DILocalVariable(scope: !5, file: !3, type: !13, flags: DIFlagArtificial)
62!18 = !DILocation(line: 0, scope: !5)
63!19 = !DILocalVariable(name: "arank", arg: 1, scope: !5, file: !3, line: 1, type: !20)
64;; 18446744073709551615 = (unsigned long long) -1 is representation for -1
65!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, size: 32, align: 32, elements: !21, dataLocation: !17, rank: !DIExpression(DW_OP_consts, 18446744073709551615))
66!21 = !{!22}
67!22 = !DIGenericSubrange(lowerBound: !DIExpression(DW_OP_push_object_address, DW_OP_over, DW_OP_consts, 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_consts, 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_consts, 48, DW_OP_mul, DW_OP_plus_uconst, 112, DW_OP_plus, DW_OP_deref, DW_OP_consts, 4, DW_OP_mul))
68!29 = !DILocalVariable(arg: 2, scope: !5, file: !3, line: 1, type: !14, flags: DIFlagArtificial)
69