1;; Check whether fortran assumed size array is accepted
2;; which has upperBound absent in DISubrange
3
4; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -filetype=obj -o %t.o
5; RUN: llvm-dwarfdump  %t.o | FileCheck %s
6
7; CHECK-LABEL: DW_TAG_formal_parameter
8; CHECK: DW_AT_name    ("array1")
9; CHECK: DW_AT_type    ([[type1:0x[0-9a-f]+]]
10; CHECK-LABEL: DW_TAG_formal_parameter
11; CHECK: DW_AT_name    ("array2")
12; CHECK: DW_AT_type    ([[type2:0x[0-9a-f]+]]
13; CHECK: [[type1]]:   DW_TAG_array_type
14; CHECK: DW_TAG_subrange_type
15; CHECK: [[type2]]:   DW_TAG_array_type
16; CHECK: DW_TAG_subrange_type
17; CHECK: DW_AT_lower_bound     (4)
18; CHECK: DW_AT_upper_bound     (9)
19; CHECK: DW_TAG_subrange_type
20; CHECK: DW_AT_lower_bound     (10)
21;
22;
23;; original fortran program
24;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
25;;subroutine sub (array1, array2)
26;;  integer :: array1 (*)
27;;  integer :: array2 (4:9, 10:*)
28;;
29;;  array1(7:8) = 9
30;;  array2(5, 10) = 10
31;;end subroutine
32;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
33
34; ModuleID = 'assumed_size_array.ll'
35source_filename = "assumed_size_array.ll"
36target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
37target triple = "x86_64-unknown-linux-gnu"
38
39@.C344_sub_ = internal constant i32 10
40@.C345_sub_ = internal constant i64 10
41@.C351_sub_ = internal constant i64 5
42@.C341_sub_ = internal constant i32 9
43@.C322_sub_ = internal constant i64 1
44@.C350_sub_ = internal constant i64 8
45@.C349_sub_ = internal constant i64 7
46
47define void @sub_(i64* noalias %array1, i64* noalias %array2) #0 !dbg !5 {
48L.entry:
49  %.dY0001_361 = alloca i64, align 8
50  %"i$a_357" = alloca i64, align 8
51  call void @llvm.dbg.declare(metadata i64* %array1, metadata !16, metadata !DIExpression()), !dbg !17
52  call void @llvm.dbg.declare(metadata i64* %array2, metadata !18, metadata !DIExpression()), !dbg !17
53  br label %L.LB1_364
54
55L.LB1_364:                                        ; preds = %L.entry
56  store i64 2, i64* %.dY0001_361, align 8, !dbg !19
57  call void @llvm.dbg.declare(metadata i64* %"i$a_357", metadata !20, metadata !DIExpression()), !dbg !17
58  store i64 7, i64* %"i$a_357", align 8, !dbg !19
59  br label %L.LB1_359
60
61L.LB1_359:                                        ; preds = %L.LB1_359, %L.LB1_364
62  %0 = load i64, i64* %"i$a_357", align 8, !dbg !19
63  call void @llvm.dbg.value(metadata i64 %0, metadata !22, metadata !DIExpression()), !dbg !17
64  %1 = bitcast i64* %array1 to i8*, !dbg !19
65  %2 = getelementptr i8, i8* %1, i64 -4, !dbg !19
66  %3 = bitcast i8* %2 to i32*, !dbg !19
67  %4 = getelementptr i32, i32* %3, i64 %0, !dbg !19
68  store i32 9, i32* %4, align 4, !dbg !19
69  %5 = load i64, i64* %"i$a_357", align 8, !dbg !19
70  call void @llvm.dbg.value(metadata i64 %5, metadata !23, metadata !DIExpression()), !dbg !17
71  %6 = add nsw i64 %5, 1, !dbg !19
72  store i64 %6, i64* %"i$a_357", align 8, !dbg !19
73  %7 = load i64, i64* %.dY0001_361, align 8, !dbg !19
74  %8 = sub nsw i64 %7, 1, !dbg !19
75  store i64 %8, i64* %.dY0001_361, align 8, !dbg !19
76  %9 = load i64, i64* %.dY0001_361, align 8, !dbg !19
77  %10 = icmp sgt i64 %9, 0, !dbg !19
78  br i1 %10, label %L.LB1_359, label %L.LB1_383, !dbg !19
79
80L.LB1_383:                                        ; preds = %L.LB1_359
81  %11 = bitcast i64* %array2 to i8*, !dbg !24
82  %12 = getelementptr i8, i8* %11, i64 4, !dbg !24
83  %13 = bitcast i8* %12 to i32*, !dbg !24
84  store i32 10, i32* %13, align 4, !dbg !24
85  ret void, !dbg !25
86}
87
88; Function Attrs: nounwind readnone speculatable willreturn
89declare void @llvm.dbg.declare(metadata, metadata, metadata)
90
91; Function Attrs: nounwind readnone speculatable willreturn
92declare void @llvm.dbg.value(metadata, metadata, metadata)
93
94!llvm.module.flags = !{!0, !1}
95!llvm.dbg.cu = !{!2}
96
97!0 = !{i32 2, !"Dwarf Version", i32 4}
98!1 = !{i32 2, !"Debug Info Version", i32 3}
99!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)
100!3 = !DIFile(filename: "assumed_size_array.f90", directory: "/tmp")
101!4 = !{}
102!5 = distinct !DISubprogram(name: "sub", scope: !2, file: !3, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !2)
103!6 = !DISubroutineType(types: !7)
104!7 = !{null, !8, !12}
105!8 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, align: 32, elements: !10)
106!9 = !DIBasicType(name: "integer", size: 32, align: 32, encoding: DW_ATE_signed)
107!10 = !{!11}
108!11 = !DISubrange(lowerBound: 1)
109!12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !9, align: 32, elements: !13)
110!13 = !{!14, !15}
111!14 = !DISubrange(lowerBound: 4, upperBound: 9)
112!15 = !DISubrange(lowerBound: 10)
113!16 = !DILocalVariable(name: "array1", arg: 1, scope: !5, file: !3, line: 1, type: !8)
114!17 = !DILocation(line: 0, scope: !5)
115!18 = !DILocalVariable(name: "array2", arg: 2, scope: !5, file: !3, line: 1, type: !12)
116!19 = !DILocation(line: 5, column: 1, scope: !5)
117!20 = distinct !DILocalVariable(scope: !5, file: !3, type: !21, flags: DIFlagArtificial)
118!21 = !DIBasicType(name: "integer*8", size: 64, align: 64, encoding: DW_ATE_signed)
119!22 = distinct !DILocalVariable(scope: !5, file: !3, type: !21, flags: DIFlagArtificial)
120!23 = distinct !DILocalVariable(scope: !5, file: !3, type: !21, flags: DIFlagArtificial)
121!24 = !DILocation(line: 6, column: 1, scope: !5)
122!25 = !DILocation(line: 7, column: 1, scope: !5)
123