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1; RUN: llc -filetype=obj -o - < %s | llvm-dwarfdump -v -debug-info - | FileCheck %s
2;
3; Checks that we're creating two ranges, one that terminates immediately
4; and one that spans the rest of the function. This isn't necessarily the
5; best thing to do here (and also not necessarily correct, since the first
6; one has a bit_piece), but it is what is currently being emitted, any
7; change here needs to be intentional, so the test is very specific.
8;
9; CHECK: DW_TAG_inlined_subroutine
10; CHECK: DW_TAG_variable
11; CHECK:   DW_AT_location [DW_FORM_sec_offset] ({{.*}}
12; CHECK:      [0x00000004, 0x00000004): DW_OP_constu 0x0, DW_OP_stack_value, DW_OP_piece 0x8
13; CHECK:      [0x00000004, 0x00000014): DW_OP_constu 0x0, DW_OP_stack_value, DW_OP_piece 0x4)
14
15; Created form the following test case (PR26163) with
16; clang -cc1 -triple armv4t--freebsd11.0-gnueabi -emit-obj -debug-info-kind=standalone -O2 -x c test.c
17;
18; typedef	unsigned int	size_t;
19; struct timeval {
20; 	long long tv_sec;
21; 	int tv_usec;
22; };
23;
24; void *memset(void *, int, size_t);
25; void foo(void);
26;
27; static void
28; bar(int value)
29; {
30; 	struct timeval lifetime;
31;
32; 	memset(&lifetime, 0, sizeof(struct timeval));
33; 	lifetime.tv_sec = value;
34;
35; 	foo();
36; }
37;
38; int
39; parse_config_file(void)
40; {
41; 	int value;
42;
43; 	bar(value);
44; 	return (0);
45; }
46
47target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
48target triple = "armv4t--freebsd11.0-gnueabi"
49
50%struct.timeval = type { i64, i32 }
51
52declare void @llvm.dbg.declare(metadata, metadata, metadata)
53declare void @llvm.dbg.value(metadata, metadata, metadata)
54
55declare void @foo()
56
57define i32 @parse_config_file() !dbg !4 {
58entry:
59  tail call void @llvm.dbg.value(metadata i32 0, metadata !15, metadata !26), !dbg !27
60  tail call void @llvm.dbg.declare(metadata %struct.timeval* undef, metadata !16, metadata !26), !dbg !29
61  tail call void @llvm.dbg.value(metadata i64 0, metadata !16, metadata !30), !dbg !29
62  tail call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !31), !dbg !29
63  tail call void @foo() #3, !dbg !32
64  ret i32 0, !dbg !33
65}
66
67
68!llvm.dbg.cu = !{!0}
69!llvm.module.flags = !{!22, !23, !24}
70!llvm.ident = !{!25}
71
72!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (https://github.com/llvm-mirror/clang 89dda3855cda574f355e6defa1d77bdae5053994) (llvm/trunk 257891)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
73!1 = !DIFile(filename: "<stdin>", directory: "/home/ubuntu/bugs")
74!2 = !{}
75!4 = distinct !DISubprogram(name: "parse_config_file", scope: !5, file: !5, line: 22, type: !6, isLocal: false, isDefinition: true, scopeLine: 23, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !9)
76!5 = !DIFile(filename: "test.c", directory: "/home/ubuntu/bugs")
77!6 = !DISubroutineType(types: !7)
78!7 = !{!8}
79!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
80!9 = !{!10}
81!10 = !DILocalVariable(name: "value", scope: !4, file: !5, line: 24, type: !8)
82!11 = distinct !DISubprogram(name: "bar", scope: !5, file: !5, line: 11, type: !12, isLocal: true, isDefinition: true, scopeLine: 12, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !14)
83!12 = !DISubroutineType(types: !13)
84!13 = !{null, !8}
85!14 = !{!15, !16}
86!15 = !DILocalVariable(name: "value", arg: 1, scope: !11, file: !5, line: 11, type: !8)
87!16 = !DILocalVariable(name: "lifetime", scope: !11, file: !5, line: 13, type: !17)
88!17 = !DICompositeType(tag: DW_TAG_structure_type, name: "timeval", file: !5, line: 2, size: 128, align: 64, elements: !18)
89!18 = !{!19, !21}
90!19 = !DIDerivedType(tag: DW_TAG_member, name: "tv_sec", scope: !17, file: !5, line: 3, baseType: !20, size: 64, align: 64)
91!20 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed)
92!21 = !DIDerivedType(tag: DW_TAG_member, name: "tv_usec", scope: !17, file: !5, line: 4, baseType: !8, size: 32, align: 32, offset: 64)
93!22 = !{i32 2, !"Debug Info Version", i32 3}
94!23 = !{i32 1, !"wchar_size", i32 4}
95!24 = !{i32 1, !"min_enum_size", i32 4}
96!25 = !{!"clang version 3.9.0 (https://github.com/llvm-mirror/clang 89dda3855cda574f355e6defa1d77bdae5053994) (llvm/trunk 257891)"}
97!26 = !DIExpression()
98!27 = !DILocation(line: 11, scope: !11, inlinedAt: !28)
99!28 = distinct !DILocation(line: 26, scope: !4)
100!29 = !DILocation(line: 13, scope: !11, inlinedAt: !28)
101!30 = !DIExpression(DW_OP_LLVM_fragment, 0, 64)
102!31 = !DIExpression(DW_OP_LLVM_fragment, 0, 32)
103!32 = !DILocation(line: 18, scope: !11, inlinedAt: !28)
104!33 = !DILocation(line: 27, scope: !4)
105