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      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'
     19 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
     20 target 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
     28 declare void @_Z3fn31A(%struct.A* nocapture readonly %p1) #0
     29 
     30 ; Function Attrs: nounwind readnone
     31 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
     32 
     33 ; Function Attrs: nounwind
     34 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
     35 
     36 ; Function Attrs: nounwind
     37 define void @_Z3fn4v() #0 !dbg !21 {
     38 entry:
     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 
     54 if.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
     64 define void @_Z3fn5v() #3 !dbg !24 {
     65 entry:
     66   br label %while.body, !dbg !55
     67 
     68 while.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
     74 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
     75 
     76 attributes #0 = { nounwind }
     77 attributes #1 = { nounwind readnone }
     78 attributes #2 = { nounwind }
     79 attributes #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