xref: /llvm-project/llvm/test/DebugInfo/Mips/dsr-non-fixed-objects.ll (revision 391f323690b9ef84d13a09ff07fb805008401fee) 
1; RUN: llc -mtriple=mips -mcpu=mips32r2 -O0 -filetype=obj -fast-isel=0 <%s | \
2; RUN:    llvm-dwarfdump -v -all - | FileCheck %s
3
4declare void @llvm.dbg.declare(metadata, metadata, metadata)
5
6declare void @foo(ptr)
7
8; void foo(int *);
9;
10; int f2(int a, int b) {
11;   int c __attribute__((aligned(16))) = a + b;
12;   foo(&c);
13;   return c;
14; }
15;
16; int *f3(int a, int b) {
17;   int c __attribute__((aligned(16))) = a + b;
18;   int *w = alloca(c);
19;   foo(&c);
20;   return w;
21; }
22
23; CHECK: DW_TAG_subprogram
24; CHECK: DW_AT_location [DW_FORM_exprloc]      (DW_OP_breg29 SP_64+36)
25; CHECK: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x00000065] = "c")
26
27; Function Attrs: nounwind
28define i32 @f2(i32 signext %a, i32 signext %b) !dbg !4 {
29entry:
30  %a.addr = alloca i32, align 4
31  %b.addr = alloca i32, align 4
32  %c = alloca i32, align 16
33  store i32 %a, ptr %a.addr, align 4
34  call void @llvm.dbg.declare(metadata ptr %a.addr, metadata !15, metadata !16), !dbg !17
35  store i32 %b, ptr %b.addr, align 4
36  call void @llvm.dbg.declare(metadata ptr %b.addr, metadata !18, metadata !16), !dbg !19
37  call void @llvm.dbg.declare(metadata ptr %c, metadata !20, metadata !16), !dbg !21
38  %0 = load i32, ptr %a.addr, align 4, !dbg !22
39  %1 = load i32, ptr %b.addr, align 4, !dbg !23
40  %add = add nsw i32 %0, %1, !dbg !24
41  store i32 %add, ptr %c, align 16, !dbg !21
42  call void @foo(ptr %c), !dbg !25
43  %2 = load i32, ptr %c, align 16, !dbg !26
44  ret i32 %2, !dbg !27
45}
46
47; CHECK: DW_TAG_subprogram
48; CHECK: DW_AT_location [DW_FORM_exprloc]      (DW_OP_breg23 S7_64+32)
49; CHECK: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x00000065] = "c")
50
51define ptr @f3(i32 signext %a, i32 signext %b) !dbg !8 {
52entry:
53  %a.addr = alloca i32, align 4
54  %b.addr = alloca i32, align 4
55  %c = alloca i32, align 16
56  %w = alloca ptr, align 4
57  store i32 %a, ptr %a.addr, align 4
58  call void @llvm.dbg.declare(metadata ptr %a.addr, metadata !28, metadata !16), !dbg !29
59  store i32 %b, ptr %b.addr, align 4
60  call void @llvm.dbg.declare(metadata ptr %b.addr, metadata !30, metadata !16), !dbg !31
61  call void @llvm.dbg.declare(metadata ptr %c, metadata !32, metadata !16), !dbg !33
62  %0 = load i32, ptr %a.addr, align 4, !dbg !34
63  %1 = load i32, ptr %b.addr, align 4, !dbg !35
64  %add = add nsw i32 %0, %1, !dbg !36
65  store i32 %add, ptr %c, align 16, !dbg !33
66  call void @llvm.dbg.declare(metadata ptr %w, metadata !37, metadata !DIExpression(DW_OP_deref)), !dbg !38
67  %2 = load i32, ptr %c, align 16, !dbg !39
68  %3 = alloca i8, i32 %2, !dbg !40
69  store ptr %3, ptr %w, align 4, !dbg !38
70  call void @foo(ptr %c), !dbg !41
71  %4 = load ptr, ptr %w, align 4, !dbg !42
72  ret ptr %4, !dbg !43
73}
74
75!llvm.dbg.cu = !{!0}
76!llvm.module.flags = !{!12, !13}
77!llvm.ident = !{!14}
78
79!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
80!1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf")
81!2 = !{}
82!4 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 20, type: !5, isLocal: false, isDefinition: true, scopeLine: 20, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
83!5 = !DISubroutineType(types: !6)
84!6 = !{!7, !7, !7}
85!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
86!8 = distinct !DISubprogram(name: "f3", scope: !1, file: !1, line: 27, type: !9, isLocal: false, isDefinition: true, scopeLine: 27, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
87!9 = !DISubroutineType(types: !10)
88!10 = !{!11, !7, !7}
89!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32, align: 32)
90!12 = !{i32 2, !"Dwarf Version", i32 4}
91!13 = !{i32 2, !"Debug Info Version", i32 3}
92!14 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"}
93!15 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 20, type: !7)
94!16 = !DIExpression()
95!17 = !DILocation(line: 20, column: 12, scope: !4)
96!18 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 20, type: !7)
97!19 = !DILocation(line: 20, column: 19, scope: !4)
98!20 = !DILocalVariable(name: "c", scope: !4, file: !1, line: 21, type: !7)
99!21 = !DILocation(line: 21, column: 7, scope: !4)
100!22 = !DILocation(line: 21, column: 40, scope: !4)
101!23 = !DILocation(line: 21, column: 44, scope: !4)
102!24 = !DILocation(line: 21, column: 42, scope: !4)
103!25 = !DILocation(line: 22, column: 3, scope: !4)
104!26 = !DILocation(line: 23, column: 10, scope: !4)
105!27 = !DILocation(line: 23, column: 3, scope: !4)
106!28 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 27, type: !7)
107!29 = !DILocation(line: 27, column: 13, scope: !8)
108!30 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !1, line: 27, type: !7)
109!31 = !DILocation(line: 27, column: 20, scope: !8)
110!32 = !DILocalVariable(name: "c", scope: !8, file: !1, line: 28, type: !7)
111!33 = !DILocation(line: 28, column: 7, scope: !8)
112!34 = !DILocation(line: 28, column: 40, scope: !8)
113!35 = !DILocation(line: 28, column: 44, scope: !8)
114!36 = !DILocation(line: 28, column: 42, scope: !8)
115!37 = !DILocalVariable(name: "w", scope: !8, file: !1, line: 29, type: !11)
116!38 = !DILocation(line: 29, column: 8, scope: !8)
117!39 = !DILocation(line: 29, column: 19, scope: !8)
118!40 = !DILocation(line: 29, column: 12, scope: !8)
119!41 = !DILocation(line: 30, column: 3, scope: !8)
120!42 = !DILocation(line: 31, column: 10, scope: !8)
121!43 = !DILocation(line: 31, column: 3, scope: !8)
122