xref: /llvm-project/llvm/test/DebugInfo/Mips/dsr-fixed-objects.ll (revision 391f323690b9ef84d13a09ff07fb805008401fee) 
1; RUN: llc -mtriple=mips -mcpu=mips32r2 -O1 -filetype=obj -relocation-model=pic <%s | \
2; RUN:    llvm-dwarfdump -v -all - | FileCheck %s
3
4; void foo(int *);
5;
6; int f0(int a, int b, int c, int d, int e) {
7;   int x = a + b + c + d + e;
8;   foo(&x);
9;   return x;
10; }
11;
12; int f1(int a, int b, int c, int d, int e) {
13;   int x __attribute__((aligned(16))) = a + b + c + d + e;
14;   foo(&x);
15;   return x;
16; }
17
18declare void @llvm.lifetime.start(i64, ptr nocapture)
19declare void @llvm.lifetime.end(i64, ptr nocapture)
20
21declare void @foo(ptr)
22
23; CHECK: DW_AT_name {{.*}}"f0"
24; CHECK: DW_AT_name {{.*}}"e"
25; CHECK: DW_TAG_variable
26; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (
27; CHECK-NEXT:   [0x00000028, 0x0000002c) ".text": DW_OP_reg1 AT_64
28; CHECK-NEXT:   [0x0000002c, 0x00000048) ".text": DW_OP_breg29 SP_64+16)
29; CHECK-NEXT: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x0000006b] = "x")
30
31define i32 @f0(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !4 {
32entry:
33  %x = alloca i32, align 4
34  tail call void @llvm.dbg.value(metadata i32 %a, metadata !9,  metadata !DIExpression()), !dbg !27
35  tail call void @llvm.dbg.value(metadata i32 %b, metadata !10, metadata !DIExpression()), !dbg !28
36  tail call void @llvm.dbg.value(metadata i32 %c, metadata !11, metadata !DIExpression()), !dbg !29
37  tail call void @llvm.dbg.value(metadata i32 %d, metadata !12, metadata !DIExpression()), !dbg !30
38  tail call void @llvm.dbg.value(metadata i32 %e, metadata !13, metadata !DIExpression()), !dbg !31
39  call void @llvm.lifetime.start(i64 4, ptr %x) #4, !dbg !32
40  %add = add nsw i32 %b, %a, !dbg !33
41  %add1 = add nsw i32 %add, %c, !dbg !34
42  %add2 = add nsw i32 %add1, %d, !dbg !35
43  %add3 = add nsw i32 %add2, %e, !dbg !36
44  tail call void @llvm.dbg.value(metadata i32 %add3, metadata !14, metadata !DIExpression()), !dbg !37
45  store i32 %add3, ptr %x, align 4, !dbg !37, !tbaa !38
46  tail call void @llvm.dbg.value(metadata ptr %x, metadata !14, metadata !26), !dbg !37
47  call void @foo(ptr nonnull %x) #4, !dbg !42
48  call void @llvm.dbg.value(metadata ptr %x, metadata !14, metadata !26), !dbg !37
49  %0 = load i32, ptr %x, align 4, !dbg !43, !tbaa !38
50  call void @llvm.lifetime.end(i64 4, ptr %x) #4, !dbg !44
51  ret i32 %0, !dbg !45
52}
53
54
55; CHECK: DW_TAG_variable
56; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset]  (
57; CHECK-NEXT:   [0x00000080, 0x00000084) ".text": DW_OP_reg1 AT_64
58; CHECK-NEXT:   [0x00000084, 0x00000098) ".text": DW_OP_breg29 SP_64+16)
59; CHECK-NEXT: DW_AT_name [DW_FORM_strp]     ( .debug_str[0x0000006b] = "x")
60
61define i32 @f1(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !15 {
62entry:
63  %x = alloca i32, align 16
64  tail call void @llvm.dbg.value(metadata i32 %a, metadata !17, metadata !DIExpression()), !dbg !46
65  tail call void @llvm.dbg.value(metadata i32 %b, metadata !18, metadata !DIExpression()), !dbg !47
66  tail call void @llvm.dbg.value(metadata i32 %c, metadata !19, metadata !DIExpression()), !dbg !48
67  tail call void @llvm.dbg.value(metadata i32 %d, metadata !20, metadata !DIExpression()), !dbg !49
68  tail call void @llvm.dbg.value(metadata i32 %e, metadata !21, metadata !DIExpression()), !dbg !50
69  call void @llvm.lifetime.start(i64 4, ptr %x) #4, !dbg !51
70  %add = add nsw i32 %b, %a, !dbg !52
71  %add1 = add nsw i32 %add, %c, !dbg !53
72  %add2 = add nsw i32 %add1, %d, !dbg !54
73  %add3 = add nsw i32 %add2, %e, !dbg !55
74  tail call void @llvm.dbg.value(metadata i32 %add3, metadata !22, metadata !DIExpression()), !dbg !56
75  store i32 %add3, ptr %x, align 16, !dbg !56, !tbaa !38
76  tail call void @llvm.dbg.value(metadata ptr %x, metadata !22, metadata !26), !dbg !56
77  call void @foo(ptr nonnull %x) #4, !dbg !57
78  call void @llvm.dbg.value(metadata ptr %x, metadata !22, metadata !26), !dbg !56
79  %0 = load i32, ptr %x, align 16, !dbg !58, !tbaa !38
80  call void @llvm.lifetime.end(i64 4, ptr %x) #4, !dbg !59
81  ret i32 %0, !dbg !60
82}
83
84declare void @llvm.dbg.value(metadata, metadata, metadata)
85
86!llvm.dbg.cu = !{!0}
87!llvm.module.flags = !{!23, !24}
88!llvm.ident = !{!25}
89
90!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
91!1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf")
92!2 = !{}
93!4 = distinct !DISubprogram(name: "f0", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !8)
94!5 = !DISubroutineType(types: !6)
95!6 = !{!7, !7, !7, !7, !7, !7}
96!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
97!8 = !{!9, !10, !11, !12, !13, !14}
98!9 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 4, type: !7)
99!10 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 4, type: !7)
100!11 = !DILocalVariable(name: "c", arg: 3, scope: !4, file: !1, line: 4, type: !7)
101!12 = !DILocalVariable(name: "d", arg: 4, scope: !4, file: !1, line: 4, type: !7)
102!13 = !DILocalVariable(name: "e", arg: 5, scope: !4, file: !1, line: 4, type: !7)
103!14 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 5, type: !7)
104!15 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 11, type: !5, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !16)
105!16 = !{!17, !18, !19, !20, !21, !22}
106!17 = !DILocalVariable(name: "a", arg: 1, scope: !15, file: !1, line: 11, type: !7)
107!18 = !DILocalVariable(name: "b", arg: 2, scope: !15, file: !1, line: 11, type: !7)
108!19 = !DILocalVariable(name: "c", arg: 3, scope: !15, file: !1, line: 11, type: !7)
109!20 = !DILocalVariable(name: "d", arg: 4, scope: !15, file: !1, line: 11, type: !7)
110!21 = !DILocalVariable(name: "e", arg: 5, scope: !15, file: !1, line: 11, type: !7)
111!22 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 12, type: !7)
112!23 = !{i32 2, !"Dwarf Version", i32 4}
113!24 = !{i32 2, !"Debug Info Version", i32 3}
114!25 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"}
115!26 = !DIExpression(DW_OP_deref)
116!27 = !DILocation(line: 4, column: 12, scope: !4)
117!28 = !DILocation(line: 4, column: 19, scope: !4)
118!29 = !DILocation(line: 4, column: 26, scope: !4)
119!30 = !DILocation(line: 4, column: 33, scope: !4)
120!31 = !DILocation(line: 4, column: 40, scope: !4)
121!32 = !DILocation(line: 5, column: 3, scope: !4)
122!33 = !DILocation(line: 5, column: 13, scope: !4)
123!34 = !DILocation(line: 5, column: 17, scope: !4)
124!35 = !DILocation(line: 5, column: 21, scope: !4)
125!36 = !DILocation(line: 5, column: 25, scope: !4)
126!37 = !DILocation(line: 5, column: 7, scope: !4)
127!38 = !{!39, !39, i64 0}
128!39 = !{!"int", !40, i64 0}
129!40 = !{!"omnipotent char", !41, i64 0}
130!41 = !{!"Simple C/C++ TBAA"}
131!42 = !DILocation(line: 6, column: 3, scope: !4)
132!43 = !DILocation(line: 7, column: 10, scope: !4)
133!44 = !DILocation(line: 8, column: 1, scope: !4)
134!45 = !DILocation(line: 7, column: 3, scope: !4)
135!46 = !DILocation(line: 11, column: 12, scope: !15)
136!47 = !DILocation(line: 11, column: 19, scope: !15)
137!48 = !DILocation(line: 11, column: 26, scope: !15)
138!49 = !DILocation(line: 11, column: 33, scope: !15)
139!50 = !DILocation(line: 11, column: 40, scope: !15)
140!51 = !DILocation(line: 12, column: 3, scope: !15)
141!52 = !DILocation(line: 12, column: 42, scope: !15)
142!53 = !DILocation(line: 12, column: 46, scope: !15)
143!54 = !DILocation(line: 12, column: 50, scope: !15)
144!55 = !DILocation(line: 12, column: 54, scope: !15)
145!56 = !DILocation(line: 12, column: 7, scope: !15)
146!57 = !DILocation(line: 13, column: 3, scope: !15)
147!58 = !DILocation(line: 14, column: 10, scope: !15)
148!59 = !DILocation(line: 15, column: 1, scope: !15)
149!60 = !DILocation(line: 14, column: 3, scope: !15)
150