1 ; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump - | FileCheck %s
2 ; CHECK: file format Mach-O arm
4 source_filename = "test.i"
5 target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
6 target triple = "thumbv7s-apple-ios5.0.0"
8 %struct.vm_object = type { i64 }
10 ; Function Attrs: nounwind ssp
11 define void @f(ptr %object, ptr nocapture readonly %start, i1 %arg) local_unnamed_addr #0 !dbg !11 {
13 tail call void @llvm.dbg.value(metadata ptr %object, metadata !21, metadata !DIExpression()), !dbg !27
14 tail call void @llvm.dbg.value(metadata ptr %start, metadata !22, metadata !DIExpression()), !dbg !28
15 tail call void @llvm.dbg.value(metadata i64 %0, metadata !25, metadata !DIExpression()), !dbg !29
16 tail call void @llvm.dbg.value(metadata i64 %0, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg !30
17 ; This debug value cannot safely be split into two 32-bit pieces.
18 ; CHECK-NOT: DW_AT_name(offset)
19 tail call void @llvm.dbg.value(metadata i32 undef, metadata !23, metadata !DIExpression()), !dbg !31
20 br i1 %arg, label %for.end, label %for.body.lr.ph, !dbg !31
22 for.body.lr.ph: ; preds = %entry
23 %0 = load i64, ptr %start, align 4, !dbg !33
24 br label %for.body, !dbg !31
26 for.body: ; preds = %for.body, %for.body.lr.ph
27 %offset.010.in = phi i64 [ %0, %for.body.lr.ph ], [ %offset.010, %for.body ]
28 %head_size.09 = phi i32 [ undef, %for.body.lr.ph ], [ %sub2, %for.body ]
29 %offset.010 = add i64 %offset.010.in, -4096
30 tail call void @llvm.dbg.value(metadata i32 %head_size.09, metadata !23, metadata !DIExpression()), !dbg !30
31 %call = tail call i32 @use(i64 %offset.010, ptr %object) #2, !dbg !34
32 %sub2 = add i32 %head_size.09, -4096, !dbg !37
33 tail call void @llvm.dbg.value(metadata i64 %offset.010, metadata !26, metadata !DIExpression(DW_OP_constu, 4096, DW_OP_minus, DW_OP_stack_value)), !dbg !29
34 tail call void @llvm.dbg.value(metadata i32 %sub2, metadata !23, metadata !DIExpression()), !dbg !30
35 %tobool = icmp eq i32 %sub2, 0, !dbg !31
36 br i1 %tobool, label %for.end, label %for.body, !dbg !31, !llvm.loop !38
38 for.end: ; preds = %for.body, %entry
42 declare i32 @use(...) local_unnamed_addr
44 ; Function Attrs: nounwind readnone speculatable
45 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
47 attributes #0 = { nounwind ssp }
48 attributes #1 = { nounwind readnone speculatable }
49 attributes #2 = { nobuiltin nounwind }
52 !llvm.module.flags = !{!5, !6, !7, !8, !9}
55 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk 317434) (llvm/trunk 317437)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3)
56 !1 = !DIFile(filename: "test.i", directory: "/Data/radar/31209283")
59 !4 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned)
60 !5 = !{i32 2, !"Dwarf Version", i32 2}
61 !6 = !{i32 2, !"Debug Info Version", i32 3}
62 !7 = !{i32 1, !"wchar_size", i32 4}
63 !8 = !{i32 1, !"min_enum_size", i32 4}
64 !9 = !{i32 7, !"PIC Level", i32 2}
65 !10 = !{!"clang version 6.0.0 (trunk 317434) (llvm/trunk 317437)"}
66 !11 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 6, type: !12, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !20)
67 !12 = !DISubroutineType(types: !13)
68 !13 = !{null, !14, !19}
69 !14 = !DIDerivedType(tag: DW_TAG_typedef, name: "v_t", file: !1, line: 1, baseType: !15)
70 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 32)
71 !16 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "v", file: !1, line: 2, size: 64, elements: !17)
73 !18 = !DIDerivedType(tag: DW_TAG_member, name: "p", scope: !16, file: !1, line: 3, baseType: !4, size: 64)
74 !19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 32)
75 !20 = !{!21, !22, !23, !25, !26}
76 !21 = !DILocalVariable(name: "object", arg: 1, scope: !11, file: !1, line: 6, type: !14)
77 !22 = !DILocalVariable(name: "start", arg: 2, scope: !11, file: !1, line: 6, type: !19)
78 !23 = !DILocalVariable(name: "head_size", scope: !11, file: !1, line: 7, type: !24)
79 !24 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
80 !25 = !DILocalVariable(name: "orig_start", scope: !11, file: !1, line: 8, type: !4)
81 !26 = !DILocalVariable(name: "offset", scope: !11, file: !1, line: 9, type: !4)
82 !27 = !DILocation(line: 6, column: 20, scope: !11)
83 !28 = !DILocation(line: 6, column: 48, scope: !11)
84 !29 = !DILocation(line: 7, column: 12, scope: !11)
85 !30 = !DILocation(line: 10, column: 16, scope: !11)
86 !31 = !DILocation(line: 11, column: 5, scope: !32)
87 !32 = distinct !DILexicalBlock(scope: !11, file: !1, line: 11, column: 5)
88 !33 = !DILocation(line: 8, column: 22, scope: !11)
89 !34 = !DILocation(line: 13, column: 7, scope: !35)
90 !35 = distinct !DILexicalBlock(scope: !36, file: !1, line: 12, column: 75)
91 !36 = distinct !DILexicalBlock(scope: !32, file: !1, line: 11, column: 5)
92 !37 = !DILocation(line: 12, column: 61, scope: !36)
93 !38 = distinct !{!38, !31, !39}
94 !39 = !DILocation(line: 14, column: 3, scope: !32)
95 !40 = !DILocation(line: 15, column: 1, scope: !11)