1; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
2;
3;    // Compile with -O1
4;    typedef struct {
5;      int a;
6;      long int b;
7;    } Inner;
8;
9;    typedef struct {
10;      Inner inner[2];
11;    } Outer;
12;
13;    int foo(Outer outer) {
14;      Inner i1 = outer.inner[1];
15;      return i1.a;
16;    }
17;
18;
19; CHECK: DW_TAG_variable [4]
20;                                                  rax, piece 0x00000004
21; CHECK-NEXT: DW_AT_location [DW_FORM_block1]{{.*}}50 93 04
22; CHECK-NEXT:  DW_AT_name {{.*}}"i1"
23;
24; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-1.ll'
25target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
26target triple = "x86_64-apple-macosx10.9.0"
27
28%struct.Outer = type { [2 x %struct.Inner] }
29%struct.Inner = type { i32, i64 }
30
31; Function Attrs: nounwind ssp uwtable
32define i32 @foo(%struct.Outer* byval align 8 %outer) #0 !dbg !4 {
33entry:
34  call void @llvm.dbg.declare(metadata %struct.Outer* %outer, metadata !25, metadata !DIExpression()), !dbg !26
35  %i1.sroa.0.0..sroa_idx = getelementptr inbounds %struct.Outer, %struct.Outer* %outer, i64 0, i32 0, i64 1, i32 0, !dbg !27
36  %i1.sroa.0.0.copyload = load i32, i32* %i1.sroa.0.0..sroa_idx, align 8, !dbg !27
37  call void @llvm.dbg.value(metadata i32 %i1.sroa.0.0.copyload, i64 0, metadata !28, metadata !29), !dbg !27
38  %i1.sroa.2.0..sroa_raw_cast = bitcast %struct.Outer* %outer to i8*, !dbg !27
39  %i1.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %i1.sroa.2.0..sroa_raw_cast, i64 20, !dbg !27
40  ret i32 %i1.sroa.0.0.copyload, !dbg !32
41}
42
43; Function Attrs: nounwind readnone
44declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
45
46; Function Attrs: nounwind
47declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
48
49; Function Attrs: nounwind readnone
50declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
51
52attributes #0 = { nounwind ssp uwtable }
53attributes #1 = { nounwind readnone }
54attributes #2 = { nounwind }
55
56!llvm.dbg.cu = !{!0}
57!llvm.module.flags = !{!22, !23}
58!llvm.ident = !{!24}
59
60!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
61!1 = !DIFile(filename: "sroasplit-1.c", directory: "")
62!2 = !{}
63!3 = !{!4}
64!4 = distinct !DISubprogram(name: "foo", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !1, scope: !5, type: !6, variables: !2)
65!5 = !DIFile(filename: "sroasplit-1.c", directory: "")
66!6 = !DISubroutineType(types: !7)
67!7 = !{!8, !9}
68!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
69!9 = !DIDerivedType(tag: DW_TAG_typedef, name: "Outer", line: 8, file: !1, baseType: !10)
70!10 = !DICompositeType(tag: DW_TAG_structure_type, line: 6, size: 256, align: 64, file: !1, elements: !11)
71!11 = !{!12}
72!12 = !DIDerivedType(tag: DW_TAG_member, name: "inner", line: 7, size: 256, align: 64, file: !1, scope: !10, baseType: !13)
73!13 = !DICompositeType(tag: DW_TAG_array_type, size: 256, align: 64, baseType: !14, elements: !20)
74!14 = !DIDerivedType(tag: DW_TAG_typedef, name: "Inner", line: 4, file: !1, baseType: !15)
75!15 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 128, align: 64, file: !1, elements: !16)
76!16 = !{!17, !18}
77!17 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 2, size: 32, align: 32, file: !1, scope: !15, baseType: !8)
78!18 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 3, size: 64, align: 64, offset: 64, file: !1, scope: !15, baseType: !19)
79!19 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
80!20 = !{!21}
81!21 = !DISubrange(count: 2)
82!22 = !{i32 2, !"Dwarf Version", i32 2}
83!23 = !{i32 1, !"Debug Info Version", i32 3}
84!24 = !{!"clang version 3.5.0 "}
85!25 = !DILocalVariable(name: "outer", line: 10, arg: 1, scope: !4, file: !5, type: !9)
86!26 = !DILocation(line: 10, scope: !4)
87!27 = !DILocation(line: 11, scope: !4)
88!28 = !DILocalVariable(name: "i1", line: 11, scope: !4, file: !5, type: !14)
89!29 = !DIExpression(DW_OP_bit_piece, 0, 32)
90!31 = !{i32 3, i32 0, i32 12}
91!32 = !DILocation(line: 12, scope: !4)
92