1 ; RUN: llc -O0 %s -o - -filetype=obj \
2 ; RUN: | llvm-dwarfdump -statistics - | FileCheck %s
10 ; int GlobalConst = 42;
14 ; static const int constant = 24;
18 ; int __attribute__((always_inline)) square(int i) { return i * i; }
20 ; int squared = square(i);
24 ; int boo(int, int) {}
31 ; Following variables/arguments/members should be counted:
36 ; - cube::i, cube::squared
38 ; - this in T::empty()
40 ; - declaration of test::a,
41 ; - non-constant member S:fn,
42 ; - arguments of S:fn.
44 ; CHECK: "#unique source variables": 10,
46 ; CHECK: "#source variables": 11,
48 ; CHECK: "#source variables with location": 10,
49 ; CHECK: "sum_all_local_vars(#bytes in parent scope)": [[BYTES:[0-9]+]]
50 ; Because of the dbg.value in the middle of the function, the pc range coverage
52 ; CHECK-NOT: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": 0,
53 ; CHECK-NOT: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": [[BYTES]]
54 ; CHECK: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)":
55 ; CHECK: "#bytes within functions": [[FUNCSIZE:[0-9]+]]
56 ; CHECK: "#bytes within inlined functions": [[INLINESIZE:[0-9]+]]
57 ; CHECK: "#bytes in __debug_loc": 35,
58 ; CHECK-NEXT: "#bytes in __debug_abbrev": 384,
59 ; CHECK-NEXT: "#bytes in __debug_info": 459,
60 ; CHECK-NEXT: "#bytes in __debug_str": 231,
61 ; CHECK-NEXT: "#bytes in __apple_names": 348,
62 ; CHECK-NEXT: "#bytes in __apple_objc": 36,
63 ; CHECK-NEXT: "#bytes in __apple_namespac": 60,
64 ; CHECK-NEXT: "#bytes in __apple_types": 133,
65 ; CHECK-NEXT: "#bytes in __debug_line": 126,
67 ; ModuleID = '/tmp/quality.cpp'
68 source_filename = "/tmp/quality.cpp"
69 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
70 target triple = "x86_64-apple-macosx10.12.0"
72 %struct.S = type { ptr }
74 @GlobalConst = global i32 42, align 4, !dbg !0
75 @Global = global i32 0, align 4, !dbg !6
76 @s = global %struct.S zeroinitializer, align 1, !dbg !9
78 ; Function Attrs: alwaysinline nounwind ssp uwtable
79 define i32 @_Z6squarei(i32 %i) #0 !dbg !20 {
81 %i.addr = alloca i32, align 4
82 store i32 %i, ptr %i.addr, align 4
83 ; Modified to loose debug info for i here.
84 call void @llvm.dbg.declare(metadata ptr undef, metadata !23, metadata !24), !dbg !25
85 %0 = load i32, ptr %i.addr, align 4, !dbg !26
86 %1 = load i32, ptr %i.addr, align 4, !dbg !27
87 %mul = mul nsw i32 %0, %1, !dbg !28
88 ret i32 %mul, !dbg !29
91 ; Function Attrs: nounwind readnone speculatable
92 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
93 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
95 ; Function Attrs: noinline nounwind optnone ssp uwtable
96 define i32 @_Z4cubei(i32 %i) #2 !dbg !30 {
98 %i.addr.i = alloca i32, align 4
99 call void @llvm.dbg.declare(metadata ptr %i.addr.i, metadata !23, metadata !24), !dbg !31
100 %i.addr = alloca i32, align 4
101 %squared = alloca i32, align 4
102 store i32 %i, ptr %i.addr, align 4
103 call void @llvm.dbg.declare(metadata ptr %i.addr, metadata !33, metadata !24), !dbg !34
104 %0 = load i32, ptr %i.addr, align 4, !dbg !37
105 store i32 %0, ptr %i.addr.i, align 4
106 %1 = load i32, ptr %i.addr.i, align 4, !dbg !38
107 %2 = load i32, ptr %i.addr.i, align 4, !dbg !39
108 %mul.i = mul nsw i32 %1, %2, !dbg !40
109 ; Modified to cover only about 50% of the lexical scope.
110 call void @llvm.dbg.value(metadata i32 %mul.i, metadata !35, metadata !24), !dbg !36
111 store i32 %mul.i, ptr %squared, align 4, !dbg !36
112 %3 = load i32, ptr %squared, align 4, !dbg !41
113 call void @llvm.dbg.value(metadata i32 %3, metadata !35, metadata !24), !dbg !36
114 %4 = load i32, ptr %i.addr, align 4, !dbg !42
115 %mul = mul nsw i32 %3, %4, !dbg !43
116 ret i32 %mul, !dbg !44
119 ; Function Attrs: noinline optnone uwtable
120 define dso_local i32 @_Z3booii(i32 %0, i32 %1) !dbg !52 {
122 %.addr = alloca i32, align 4
123 %.addr1 = alloca i32, align 4
124 store i32 %0, ptr %.addr, align 4
125 call void @llvm.dbg.declare(metadata ptr %.addr, metadata !55, metadata !DIExpression()), !dbg !56
126 store i32 %1, ptr %.addr1, align 4
127 call void @llvm.dbg.declare(metadata ptr %.addr1, metadata !57, metadata !DIExpression()), !dbg !58
131 %struct.T = type { i8 }
133 define void @_ZN1T5emptyEv(ptr %this) #2 !dbg !59 {
135 %this.addr = alloca ptr, align 8
136 store ptr %this, ptr %this.addr, align 8
137 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !67, metadata !DIExpression()), !dbg !69
138 %this1 = load ptr, ptr %this.addr, align 8
142 attributes #0 = { alwaysinline nounwind ssp uwtable }
143 attributes #1 = { nounwind readnone speculatable }
144 attributes #2 = { noinline nounwind optnone ssp uwtable }
147 !llvm.module.flags = !{!15, !16, !17, !18}
150 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
151 !1 = distinct !DIGlobalVariable(name: "GlobalConst", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
152 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 6.0.0 (trunk 310529) (llvm/trunk 310534)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, imports: !48, globals: !5)
153 !3 = !DIFile(filename: "/tmp/quality.cpp", directory: "/Volumes/Data/llvm")
156 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
157 !7 = distinct !DIGlobalVariable(name: "Global", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
158 !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
159 !9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
160 !10 = distinct !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 6, type: !11, isLocal: false, isDefinition: true)
161 !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !3, line: 4, size: 8, elements: !12, identifier: "_ZTS1S")
163 !13 = !DIDerivedType(tag: DW_TAG_member, name: "constant", scope: !11, file: !3, line: 5, baseType: !14, flags: DIFlagStaticMember, extraData: i32 24)
164 !14 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
165 !15 = !{i32 2, !"Dwarf Version", i32 4}
166 !16 = !{i32 2, !"Debug Info Version", i32 3}
167 !17 = !{i32 1, !"wchar_size", i32 4}
168 !18 = !{i32 7, !"PIC Level", i32 2}
169 !19 = !{!"clang version 6.0.0 (trunk 310529) (llvm/trunk 310534)"}
170 !20 = distinct !DISubprogram(name: "square", linkageName: "_Z6squarei", scope: !3, file: !3, line: 8, type: !21, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
171 !21 = !DISubroutineType(types: !22)
173 !23 = !DILocalVariable(name: "i", arg: 1, scope: !20, file: !3, line: 8, type: !8)
174 !24 = !DIExpression()
175 !25 = !DILocation(line: 8, column: 47, scope: !20)
176 !26 = !DILocation(line: 8, column: 59, scope: !20)
177 !27 = !DILocation(line: 8, column: 63, scope: !20)
178 !28 = !DILocation(line: 8, column: 61, scope: !20)
179 !29 = !DILocation(line: 8, column: 52, scope: !20)
180 !30 = distinct !DISubprogram(name: "cube", linkageName: "_Z4cubei", scope: !3, file: !3, line: 9, type: !21, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
181 !31 = !DILocation(line: 8, column: 47, scope: !20, inlinedAt: !32)
182 !32 = distinct !DILocation(line: 10, column: 17, scope: !30)
183 !33 = !DILocalVariable(name: "i", arg: 1, scope: !30, file: !3, line: 9, type: !8)
184 !34 = !DILocation(line: 9, column: 14, scope: !30)
185 !35 = !DILocalVariable(name: "squared", scope: !30, file: !3, line: 10, type: !8)
186 !36 = !DILocation(line: 10, column: 7, scope: !30)
187 !37 = !DILocation(line: 10, column: 24, scope: !30)
188 !38 = !DILocation(line: 8, column: 59, scope: !20, inlinedAt: !32)
189 !39 = !DILocation(line: 8, column: 63, scope: !20, inlinedAt: !32)
190 !40 = !DILocation(line: 8, column: 61, scope: !20, inlinedAt: !32)
191 !41 = !DILocation(line: 11, column: 10, scope: !30)
192 !42 = !DILocation(line: 11, column: 18, scope: !30)
193 !43 = !DILocation(line: 11, column: 17, scope: !30)
194 !44 = !DILocation(line: 11, column: 3, scope: !30)
195 !45 = !DIDerivedType(tag: DW_TAG_member, name: "fn", scope: !11, file: !3, line: 5, baseType: !46, size: 64)
196 !46 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !47, size: 64)
197 !47 = !DISubroutineType(types: !22)
199 !49 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !2, entity: !50, file: !3, line: 2)
200 !50 = !DIGlobalVariable(name: "a", linkageName: "_ZN4test1aE", scope: !51, file: !3, line: 2, type: !8, isLocal: false, isDefinition: false)
201 !51 = !DINamespace(name: "test", scope: !2)
202 !52 = distinct !DISubprogram(name: "boo", linkageName: "_Z3booii", scope: !3, file: !3, line: 10, type: !53, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !4)
203 !53 = !DISubroutineType(types: !54)
205 !55 = !DILocalVariable(arg: 1, scope: !52, file: !3, line: 10, type: !8)
206 !56 = !DILocation(line: 10, column: 12, scope: !52)
207 !57 = !DILocalVariable(arg: 2, scope: !52, file: !3, line: 10, type: !8)
208 !58 = !DILocation(line: 10, column: 17, scope: !52)
210 !59 = distinct !DISubprogram(name: "empty", linkageName: "_ZN1T5emptyEv", scope: !60, file: !3, line: 25, type: !63, scopeLine: 25, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, declaration: !62, retainedNodes: !4)
211 !60 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "T", file: !3, line: 22, size: 8, flags: DIFlagTypePassByValue, elements: !61, identifier: "_ZTS1T")
213 !62 = !DISubprogram(name: "empty", linkageName: "_ZN1T5emptyEv", scope: !60, file: !3, line: 23, type: !63, scopeLine: 23, flags: DIFlagPrototyped, spFlags: 0)
214 !63 = !DISubroutineType(types: !64)
216 !65 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
217 !66 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !60, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
218 !67 = !DILocalVariable(name: "this", arg: 1, scope: !59, type: !68, flags: DIFlagArtificial | DIFlagObjectPointer)
219 !68 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !60, size: 64)
220 !69 = !DILocation(line: 0, scope: !59)
221 !70 = !DILocation(line: 25, column: 19, scope: !59)