1; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
2;
3;    // Compile with -O1
4;    typedef struct {
5;      int a;
6;      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; CHECK: DW_TAG_formal_parameter [3]
19; CHECK-NEXT:   DW_AT_location [DW_FORM_data4]        ([[LOC:.*]])
20; CHECK-NEXT:   DW_AT_name {{.*}}"outer"
21; CHECK: DW_TAG_variable
22;                                                 rsi, piece 0x00000004
23; CHECK-NEXT:   DW_AT_location [DW_FORM_block1]       {{.*}} 54 93 04
24; CHECK-NEXT:   "i1"
25;
26; CHECK: .debug_loc
27; CHECK: [[LOC]]:
28; CHECK: Beginning address offset: 0x0000000000000000
29; CHECK:    Ending address offset: 0x0000000000000004
30; rdi, piece 0x00000008, piece 0x00000004, rsi, piece 0x00000004
31; CHECK: Location description: 55 93 08 93 04 54 93 04
32;
33; ModuleID = '/Volumes/Data/llvm/test/DebugInfo/X86/sroasplit-2.ll'
34target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
35target triple = "x86_64-apple-macosx10.9.0"
36
37; Function Attrs: nounwind ssp uwtable
38define i32 @foo(i64 %outer.coerce0, i64 %outer.coerce1) #0 {
39  call void @llvm.dbg.value(metadata i64 %outer.coerce0, i64 0, metadata !24, metadata !25), !dbg !26
40  call void @llvm.dbg.declare(metadata !{null}, metadata !27, metadata !28), !dbg !26
41  call void @llvm.dbg.value(metadata i64 %outer.coerce1, i64 0, metadata !29, metadata !30), !dbg !26
42  call void @llvm.dbg.declare(metadata !{null}, metadata !31, metadata !32), !dbg !26
43  %outer.sroa.1.8.extract.trunc = trunc i64 %outer.coerce1 to i32, !dbg !33
44  call void @llvm.dbg.value(metadata i32 %outer.sroa.1.8.extract.trunc, i64 0, metadata !34, metadata !35), !dbg !33
45  %outer.sroa.1.12.extract.shift = lshr i64 %outer.coerce1, 32, !dbg !33
46  %outer.sroa.1.12.extract.trunc = trunc i64 %outer.sroa.1.12.extract.shift to i32, !dbg !33
47  call void @llvm.dbg.value(metadata i64 %outer.sroa.1.12.extract.shift, i64 0, metadata !34, metadata !35), !dbg !33
48  call void @llvm.dbg.value(metadata i32 %outer.sroa.1.12.extract.trunc, i64 0, metadata !34, metadata !35), !dbg !33
49  call void @llvm.dbg.declare(metadata !{null}, metadata !34, metadata !35), !dbg !33
50  ret i32 %outer.sroa.1.8.extract.trunc, !dbg !36
51}
52
53; Function Attrs: nounwind readnone
54declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
55
56; Function Attrs: nounwind
57declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
58
59; Function Attrs: nounwind readnone
60declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
61
62attributes #0 = { nounwind ssp uwtable "no-frame-pointer-elim"="true" }
63attributes #1 = { nounwind readnone }
64attributes #2 = { nounwind }
65
66!llvm.dbg.cu = !{!0}
67!llvm.module.flags = !{!21, !22}
68!llvm.ident = !{!23}
69
70!0 = !{!"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/sroasplit-2.c] [DW_LANG_C99]
71!1 = !{!"sroasplit-2.c", !""}
72!2 = !{}
73!3 = !{!4}
74!4 = !{!"0x2e\00foo\00foo\00\0010\000\001\000\006\00256\000\0010", !1, !5, !6, null, i32 (i64, i64)* @foo, null, null, !2} ; [ DW_TAG_subprogram ] [line 10] [def] [foo]
75!5 = !{!"0x29", !1}          ; [ DW_TAG_file_type ] [/sroasplit-2.c]
76!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
77!7 = !{!8, !9}
78!8 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
79!9 = !{!"0x16\00Outer\008\000\000\000\000", !1, null, !10} ; [ DW_TAG_typedef ] [Outer] [line 8, size 0, align 0, offset 0] [from ]
80!10 = !{!"0x13\00\006\00128\0032\000\000\000", !1, null, null, !11, null, null, null} ; [ DW_TAG_structure_type ] [line 6, size 128, align 32, offset 0] [def] [from ]
81!11 = !{!12}
82!12 = !{!"0xd\00inner\007\00128\0032\000\000", !1, !10, !13} ; [ DW_TAG_member ] [inner] [line 7, size 128, align 32, offset 0] [from ]
83!13 = !{!"0x1\00\000\00128\0032\000\000", null, null, !14, !19, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 128, align 32, offset 0] [from Inner]
84!14 = !{!"0x16\00Inner\004\000\000\000\000", !1, null, !15} ; [ DW_TAG_typedef ] [Inner] [line 4, size 0, align 0, offset 0] [from ]
85!15 = !{!"0x13\00\001\0064\0032\000\000\000", !1, null, null, !16, null, null, null} ; [ DW_TAG_structure_type ] [line 1, size 64, align 32, offset 0] [def] [from ]
86!16 = !{!17, !18}
87!17 = !{!"0xd\00a\002\0032\0032\000\000", !1, !15, !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
88!18 = !{!"0xd\00b\003\0032\0032\0032\000", !1, !15, !8} ; [ DW_TAG_member ] [b] [line 3, size 32, align 32, offset 32] [from int]
89!19 = !{!20}
90!20 = !{!"0x21\000\002"}        ; [ DW_TAG_subrange_type ] [0, 1]
91!21 = !{i32 2, !"Dwarf Version", i32 2}
92!22 = !{i32 1, !"Debug Info Version", i32 2}
93!23 = !{!"clang version 3.5.0 "}
94!24 = !{!"0x101\00outer\0016777226\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [outer] [line 10]
95!25 = !{!"0x102\00147\000\008"} ; [ DW_TAG_expression ] [DW_OP_piece 0 8] [piece, size 8, offset 0]
96!26 = !MDLocation(line: 10, scope: !4)
97!27 = !{!"0x101\00outer\0016777226\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [outer] [line 10]
98!28 = !{!"0x102\00147\008\008"} ; [ DW_TAG_expression ] [DW_OP_piece 8 8] [piece, size 8, offset 8]
99!29 = !{!"0x101\00outer\0016777226\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [outer] [line 10]
100!30 = !{!"0x102\00147\0012\004"} ; [ DW_TAG_expression ] [DW_OP_piece 12 4] [piece, size 4, offset 12]
101!31 = !{!"0x101\00outer\0016777226\000", !4, !5, !9} ; [ DW_TAG_arg_variable ] [outer] [line 10]
102!32 = !{!"0x102\00147\008\004"} ; [ DW_TAG_expression ] [DW_OP_piece 8 4] [piece, size 4, offset 8]
103!33 = !MDLocation(line: 11, scope: !4)
104!34 = !{!"0x100\00i1\0011\000", !4, !5, !14} ; [ DW_TAG_auto_variable ] [i1] [line 11]
105!35 = !{!"0x102\00147\000\004"} ; [ DW_TAG_expression ] [DW_OP_piece 0 4] [piece, size 4, offset 0]
106!36 = !MDLocation(line: 12, scope: !4)
107