1; RUN: opt -inline -S < %s | FileCheck %s
2; struct A {
3;   int arg0;
4;   double arg1[2];
5; } a, b;
6;
7; void fn3(A p1) {
8;   if (p1.arg0)
9;     a = p1;
10; }
11;
12; void fn4() { fn3(b); }
13;
14; void fn5() {
15;   while (1)
16;     fn4();
17; }
18; ModuleID = 'test.cpp'
19target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
20target triple = "aarch64-apple-darwin"
21
22%struct.A = type { i32, [2 x double] }
23
24@a = global %struct.A zeroinitializer, align 8
25@b = global %struct.A zeroinitializer, align 8
26
27; Function Attrs: nounwind
28declare void @_Z3fn31A(%struct.A* nocapture readonly %p1) #0
29
30; Function Attrs: nounwind readnone
31declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
32
33; Function Attrs: nounwind
34declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
35
36; Function Attrs: nounwind
37define void @_Z3fn4v() #0 !dbg !21 {
38entry:
39; Test that the dbg.declare is moved together with the alloca.
40; CHECK: define void @_Z3fn5v()
41; CHECK-NEXT: entry:
42; CHECK-NEXT:   %agg.tmp.sroa.3.i = alloca [20 x i8], align 4
43; CHECK-NEXT:   call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3.i,
44  %agg.tmp.sroa.3 = alloca [20 x i8], align 4
45  tail call void @llvm.dbg.declare(metadata [20 x i8]* %agg.tmp.sroa.3, metadata !46, metadata !48), !dbg !49
46  %agg.tmp.sroa.0.0.copyload = load i32, i32* getelementptr inbounds (%struct.A, %struct.A* @b, i64 0, i32 0), align 8, !dbg !50
47  tail call void @llvm.dbg.value(metadata i32 %agg.tmp.sroa.0.0.copyload, i64 0, metadata !46, metadata !51), !dbg !49
48  %agg.tmp.sroa.3.0..sroa_idx = getelementptr inbounds [20 x i8], [20 x i8]* %agg.tmp.sroa.3, i64 0, i64 0, !dbg !50
49  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.3.0..sroa_idx, i8* getelementptr (i8, i8* bitcast (%struct.A* @b to i8*), i64 4), i64 20, i32 4, i1 false), !dbg !50
50  tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !46, metadata !31) #2, !dbg !49
51  %tobool.i = icmp eq i32 %agg.tmp.sroa.0.0.copyload, 0, !dbg !52
52  br i1 %tobool.i, label %_Z3fn31A.exit, label %if.then.i, !dbg !53
53
54if.then.i:                                        ; preds = %entry
55  store i32 %agg.tmp.sroa.0.0.copyload, i32* getelementptr inbounds (%struct.A, %struct.A* @a, i64 0, i32 0), align 8, !dbg !54
56  call void @llvm.memcpy.p0i8.p0i8.i64(i8* getelementptr (i8, i8* bitcast (%struct.A* @a to i8*), i64 4), i8* %agg.tmp.sroa.3.0..sroa_idx, i64 20, i32 4, i1 false), !dbg !54
57  br label %_Z3fn31A.exit, !dbg !54
58
59_Z3fn31A.exit:                                    ; preds = %entry, %if.then.i
60  ret void, !dbg !50
61}
62
63; Function Attrs: noreturn nounwind
64define void @_Z3fn5v() #3 !dbg !24 {
65entry:
66  br label %while.body, !dbg !55
67
68while.body:                                       ; preds = %entry, %while.body
69  call void @_Z3fn4v(), !dbg !56
70  br label %while.body, !dbg !55
71}
72
73; Function Attrs: nounwind readnone
74declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
75
76attributes #0 = { nounwind }
77attributes #1 = { nounwind readnone }
78attributes #2 = { nounwind }
79attributes #3 = { noreturn nounwind }
80
81!llvm.dbg.cu = !{!0}
82!llvm.module.flags = !{!28, !29}
83!llvm.ident = !{!30}
84
85!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !25, imports: !2)
86!1 = !DIFile(filename: "<stdin>", directory: "")
87!2 = !{}
88!3 = !{!4}
89!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 192, align: 64, file: !5, elements: !6, identifier: "_ZTS1A")
90!5 = !DIFile(filename: "test.cpp", directory: "")
91!6 = !{!7, !9}
92!7 = !DIDerivedType(tag: DW_TAG_member, name: "arg0", line: 2, size: 32, align: 32, file: !5, scope: !4, baseType: !8)
93!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
94!9 = !DIDerivedType(tag: DW_TAG_member, name: "arg1", line: 3, size: 128, align: 64, offset: 64, file: !5, scope: !4, baseType: !10)
95!10 = !DICompositeType(tag: DW_TAG_array_type, size: 128, align: 64, baseType: !11, elements: !12)
96!11 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
97!12 = !{!13}
98!13 = !DISubrange(count: 2)
99!15 = distinct !DISubprogram(name: "fn3", linkageName: "_Z3fn31A", line: 6, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 6, file: !5, scope: !16, type: !17, variables: !19)
100!16 = !DIFile(filename: "test.cpp", directory: "")
101!17 = !DISubroutineType(types: !18)
102!18 = !{null, !4}
103!19 = !{!20}
104!20 = !DILocalVariable(name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !4)
105!21 = distinct !DISubprogram(name: "fn4", linkageName: "_Z3fn4v", line: 11, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 11, file: !5, scope: !16, type: !22, variables: !2)
106!22 = !DISubroutineType(types: !23)
107!23 = !{null}
108!24 = distinct !DISubprogram(name: "fn5", linkageName: "_Z3fn5v", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 13, file: !5, scope: !16, type: !22, variables: !2)
109!25 = !{!26, !27}
110!26 = !DIGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !4, variable: %struct.A* @a)
111!27 = !DIGlobalVariable(name: "b", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !4, variable: %struct.A* @b)
112!28 = !{i32 2, !"Dwarf Version", i32 4}
113!29 = !{i32 2, !"Debug Info Version", i32 3}
114!30 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
115!31 = !DIExpression(DW_OP_deref)
116!32 = !DILocation(line: 6, scope: !15)
117!33 = !DILocation(line: 7, scope: !34)
118!34 = distinct !DILexicalBlock(line: 7, column: 0, file: !5, scope: !15)
119!35 = !{!36, !37, i64 0}
120!36 = !{!4, !37, i64 0, !38, i64 8}
121!37 = !{!"int", !38, i64 0}
122!38 = !{!"omnipotent char", !39, i64 0}
123!39 = !{!"Simple C/C++ TBAA"}
124!40 = !DILocation(line: 7, scope: !15)
125!41 = !DILocation(line: 8, scope: !34)
126!42 = !{i64 0, i64 4, !43, i64 8, i64 16, !44}
127!43 = !{!37, !37, i64 0}
128!44 = !{!38, !38, i64 0}
129!45 = !DILocation(line: 9, scope: !15)
130!46 = !DILocalVariable(name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !4)
131!47 = distinct !DILocation(line: 11, scope: !21)
132!48 = !DIExpression(DW_OP_bit_piece, 32, 160)
133!49 = !DILocation(line: 6, scope: !15, inlinedAt: !47)
134!50 = !DILocation(line: 11, scope: !21)
135!51 = !DIExpression(DW_OP_bit_piece, 0, 32)
136!52 = !DILocation(line: 7, scope: !34, inlinedAt: !47)
137!53 = !DILocation(line: 7, scope: !15, inlinedAt: !47)
138!54 = !DILocation(line: 8, scope: !34, inlinedAt: !47)
139!55 = !DILocation(line: 14, scope: !24)
140!56 = !DILocation(line: 15, scope: !24)
141