1 ; RUN: llc -march=mips -mcpu=mips32r2 -O1 -filetype=obj -relocation-model=pic <%s | \
2 ; RUN: llvm-dwarfdump -v -all - | FileCheck %s
6 ; int f0(int a, int b, int c, int d, int e) {
7 ; int x = a + b + c + d + e;
12 ; int f1(int a, int b, int c, int d, int e) {
13 ; int x __attribute__((aligned(16))) = a + b + c + d + e;
18 declare void @llvm.lifetime.start(i64, i8* nocapture)
19 declare void @llvm.lifetime.end(i64, i8* nocapture)
21 declare void @foo(i32*)
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): DW_OP_reg1 AT_64
28 ; CHECK-NEXT: [0x0000002c, 0x00000048): DW_OP_breg29 SP_64+16)
29 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x")
31 define i32 @f0(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !4 {
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 %0 = bitcast i32* %x to i8*, !dbg !32
40 call void @llvm.lifetime.start(i64 4, i8* %0) #4, !dbg !32
41 %add = add nsw i32 %b, %a, !dbg !33
42 %add1 = add nsw i32 %add, %c, !dbg !34
43 %add2 = add nsw i32 %add1, %d, !dbg !35
44 %add3 = add nsw i32 %add2, %e, !dbg !36
45 tail call void @llvm.dbg.value(metadata i32 %add3, metadata !14, metadata !DIExpression()), !dbg !37
46 store i32 %add3, i32* %x, align 4, !dbg !37, !tbaa !38
47 tail call void @llvm.dbg.value(metadata i32* %x, metadata !14, metadata !26), !dbg !37
48 call void @foo(i32* nonnull %x) #4, !dbg !42
49 call void @llvm.dbg.value(metadata i32* %x, metadata !14, metadata !26), !dbg !37
50 %1 = load i32, i32* %x, align 4, !dbg !43, !tbaa !38
51 call void @llvm.lifetime.end(i64 4, i8* %0) #4, !dbg !44
56 ; CHECK: DW_TAG_variable
57 ; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (
58 ; CHECK-NEXT: [0x00000080, 0x00000084): DW_OP_reg1 AT_64
59 ; CHECK-NEXT: [0x00000084, 0x00000098): DW_OP_breg29 SP_64+16)
60 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x")
62 define i32 @f1(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !15 {
64 %x = alloca i32, align 16
65 tail call void @llvm.dbg.value(metadata i32 %a, metadata !17, metadata !DIExpression()), !dbg !46
66 tail call void @llvm.dbg.value(metadata i32 %b, metadata !18, metadata !DIExpression()), !dbg !47
67 tail call void @llvm.dbg.value(metadata i32 %c, metadata !19, metadata !DIExpression()), !dbg !48
68 tail call void @llvm.dbg.value(metadata i32 %d, metadata !20, metadata !DIExpression()), !dbg !49
69 tail call void @llvm.dbg.value(metadata i32 %e, metadata !21, metadata !DIExpression()), !dbg !50
70 %0 = bitcast i32* %x to i8*, !dbg !51
71 call void @llvm.lifetime.start(i64 4, i8* %0) #4, !dbg !51
72 %add = add nsw i32 %b, %a, !dbg !52
73 %add1 = add nsw i32 %add, %c, !dbg !53
74 %add2 = add nsw i32 %add1, %d, !dbg !54
75 %add3 = add nsw i32 %add2, %e, !dbg !55
76 tail call void @llvm.dbg.value(metadata i32 %add3, metadata !22, metadata !DIExpression()), !dbg !56
77 store i32 %add3, i32* %x, align 16, !dbg !56, !tbaa !38
78 tail call void @llvm.dbg.value(metadata i32* %x, metadata !22, metadata !26), !dbg !56
79 call void @foo(i32* nonnull %x) #4, !dbg !57
80 call void @llvm.dbg.value(metadata i32* %x, metadata !22, metadata !26), !dbg !56
81 %1 = load i32, i32* %x, align 16, !dbg !58, !tbaa !38
82 call void @llvm.lifetime.end(i64 4, i8* %0) #4, !dbg !59
86 declare void @llvm.dbg.value(metadata, metadata, metadata)
89 !llvm.module.flags = !{!23, !24}
92 !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)
93 !1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf")
95 !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)
96 !5 = !DISubroutineType(types: !6)
97 !6 = !{!7, !7, !7, !7, !7, !7}
98 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
99 !8 = !{!9, !10, !11, !12, !13, !14}
100 !9 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 4, type: !7)
101 !10 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 4, type: !7)
102 !11 = !DILocalVariable(name: "c", arg: 3, scope: !4, file: !1, line: 4, type: !7)
103 !12 = !DILocalVariable(name: "d", arg: 4, scope: !4, file: !1, line: 4, type: !7)
104 !13 = !DILocalVariable(name: "e", arg: 5, scope: !4, file: !1, line: 4, type: !7)
105 !14 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 5, type: !7)
106 !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)
107 !16 = !{!17, !18, !19, !20, !21, !22}
108 !17 = !DILocalVariable(name: "a", arg: 1, scope: !15, file: !1, line: 11, type: !7)
109 !18 = !DILocalVariable(name: "b", arg: 2, scope: !15, file: !1, line: 11, type: !7)
110 !19 = !DILocalVariable(name: "c", arg: 3, scope: !15, file: !1, line: 11, type: !7)
111 !20 = !DILocalVariable(name: "d", arg: 4, scope: !15, file: !1, line: 11, type: !7)
112 !21 = !DILocalVariable(name: "e", arg: 5, scope: !15, file: !1, line: 11, type: !7)
113 !22 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 12, type: !7)
114 !23 = !{i32 2, !"Dwarf Version", i32 4}
115 !24 = !{i32 2, !"Debug Info Version", i32 3}
116 !25 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"}
117 !26 = !DIExpression(DW_OP_deref)
118 !27 = !DILocation(line: 4, column: 12, scope: !4)
119 !28 = !DILocation(line: 4, column: 19, scope: !4)
120 !29 = !DILocation(line: 4, column: 26, scope: !4)
121 !30 = !DILocation(line: 4, column: 33, scope: !4)
122 !31 = !DILocation(line: 4, column: 40, scope: !4)
123 !32 = !DILocation(line: 5, column: 3, scope: !4)
124 !33 = !DILocation(line: 5, column: 13, scope: !4)
125 !34 = !DILocation(line: 5, column: 17, scope: !4)
126 !35 = !DILocation(line: 5, column: 21, scope: !4)
127 !36 = !DILocation(line: 5, column: 25, scope: !4)
128 !37 = !DILocation(line: 5, column: 7, scope: !4)
129 !38 = !{!39, !39, i64 0}
130 !39 = !{!"int", !40, i64 0}
131 !40 = !{!"omnipotent char", !41, i64 0}
132 !41 = !{!"Simple C/C++ TBAA"}
133 !42 = !DILocation(line: 6, column: 3, scope: !4)
134 !43 = !DILocation(line: 7, column: 10, scope: !4)
135 !44 = !DILocation(line: 8, column: 1, scope: !4)
136 !45 = !DILocation(line: 7, column: 3, scope: !4)
137 !46 = !DILocation(line: 11, column: 12, scope: !15)
138 !47 = !DILocation(line: 11, column: 19, scope: !15)
139 !48 = !DILocation(line: 11, column: 26, scope: !15)
140 !49 = !DILocation(line: 11, column: 33, scope: !15)
141 !50 = !DILocation(line: 11, column: 40, scope: !15)
142 !51 = !DILocation(line: 12, column: 3, scope: !15)
143 !52 = !DILocation(line: 12, column: 42, scope: !15)
144 !53 = !DILocation(line: 12, column: 46, scope: !15)
145 !54 = !DILocation(line: 12, column: 50, scope: !15)
146 !55 = !DILocation(line: 12, column: 54, scope: !15)
147 !56 = !DILocation(line: 12, column: 7, scope: !15)
148 !57 = !DILocation(line: 13, column: 3, scope: !15)
149 !58 = !DILocation(line: 14, column: 10, scope: !15)
150 !59 = !DILocation(line: 15, column: 1, scope: !15)
151 !60 = !DILocation(line: 14, column: 3, scope: !15)