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 {
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 {
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 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !14, globals: !25, imports: !2)
86!1 = !MDFile(filename: "<stdin>", directory: "")
87!2 = !{}
88!3 = !{!4}
89!4 = !MDCompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 192, align: 64, file: !5, elements: !6, identifier: "_ZTS1A")
90!5 = !MDFile(filename: "test.cpp", directory: "")
91!6 = !{!7, !9}
92!7 = !MDDerivedType(tag: DW_TAG_member, name: "arg0", line: 2, size: 32, align: 32, file: !5, scope: !"_ZTS1A", baseType: !8)
93!8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
94!9 = !MDDerivedType(tag: DW_TAG_member, name: "arg1", line: 3, size: 128, align: 64, offset: 64, file: !5, scope: !"_ZTS1A", baseType: !10)
95!10 = !MDCompositeType(tag: DW_TAG_array_type, size: 128, align: 64, baseType: !11, elements: !12)
96!11 = !MDBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
97!12 = !{!13}
98!13 = !MDSubrange(count: 2)
99!14 = !{!15, !21, !24}
100!15 = !MDSubprogram(name: "fn3", linkageName: "_Z3fn31A", line: 6, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !5, scope: !16, type: !17, function: void (%struct.A*)* @_Z3fn31A, variables: !19)
101!16 = !MDFile(filename: "test.cpp", directory: "")
102!17 = !MDSubroutineType(types: !18)
103!18 = !{null, !"_ZTS1A"}
104!19 = !{!20}
105!20 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !"_ZTS1A")
106!21 = !MDSubprogram(name: "fn4", linkageName: "_Z3fn4v", line: 11, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 11, file: !5, scope: !16, type: !22, function: void ()* @_Z3fn4v, variables: !2)
107!22 = !MDSubroutineType(types: !23)
108!23 = !{null}
109!24 = !MDSubprogram(name: "fn5", linkageName: "_Z3fn5v", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 13, file: !5, scope: !16, type: !22, function: void ()* @_Z3fn5v, variables: !2)
110!25 = !{!26, !27}
111!26 = !MDGlobalVariable(name: "a", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !"_ZTS1A", variable: %struct.A* @a)
112!27 = !MDGlobalVariable(name: "b", line: 4, isLocal: false, isDefinition: true, scope: null, file: !16, type: !"_ZTS1A", variable: %struct.A* @b)
113!28 = !{i32 2, !"Dwarf Version", i32 4}
114!29 = !{i32 2, !"Debug Info Version", i32 3}
115!30 = !{!"clang version 3.7.0 (trunk 227480) (llvm/trunk 227517)"}
116!31 = !MDExpression(DW_OP_deref)
117!32 = !MDLocation(line: 6, scope: !15)
118!33 = !MDLocation(line: 7, scope: !34)
119!34 = distinct !MDLexicalBlock(line: 7, column: 0, file: !5, scope: !15)
120!35 = !{!36, !37, i64 0}
121!36 = !{!"_ZTS1A", !37, i64 0, !38, i64 8}
122!37 = !{!"int", !38, i64 0}
123!38 = !{!"omnipotent char", !39, i64 0}
124!39 = !{!"Simple C/C++ TBAA"}
125!40 = !MDLocation(line: 7, scope: !15)
126!41 = !MDLocation(line: 8, scope: !34)
127!42 = !{i64 0, i64 4, !43, i64 8, i64 16, !44}
128!43 = !{!37, !37, i64 0}
129!44 = !{!38, !38, i64 0}
130!45 = !MDLocation(line: 9, scope: !15)
131!46 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "p1", line: 6, arg: 1, scope: !15, file: !16, type: !"_ZTS1A")
132!47 = distinct !MDLocation(line: 11, scope: !21)
133!48 = !MDExpression(DW_OP_bit_piece, 32, 160)
134!49 = !MDLocation(line: 6, scope: !15, inlinedAt: !47)
135!50 = !MDLocation(line: 11, scope: !21)
136!51 = !MDExpression(DW_OP_bit_piece, 0, 32)
137!52 = !MDLocation(line: 7, scope: !34, inlinedAt: !47)
138!53 = !MDLocation(line: 7, scope: !15, inlinedAt: !47)
139!54 = !MDLocation(line: 8, scope: !34, inlinedAt: !47)
140!55 = !MDLocation(line: 14, scope: !24)
141!56 = !MDLocation(line: 15, scope: !24)
142