1 ; RUN: llc -debug-entry-values %s -o - -filetype=obj \
2 ; RUN: | llvm-dwarfdump -statistics - | FileCheck %s
4 ; CHECK: "sum_all_variables(#bytes in parent scope covered by DW_OP_entry_value)": 5,
5 ; CHECK-NEXT: "sum_all_params(#bytes in parent scope)": 20,
6 ; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_AT_location)": 20,
7 ; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_OP_entry_value)": 5,
8 ; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope)": 90,
9 ; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": 60,
10 ; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_OP_entry_value)": 0,
11 ; CHECK-NEXT: "#bytes within functions": 45,
12 ; CHECK-NEXT: "#bytes within inlined functions": 0,
13 ; CHECK-NEXT: "#params": 2,
14 ; CHECK-NEXT: "#params with source location": 2,
15 ; CHECK-NEXT: "#params with type": 2,
16 ; CHECK-NEXT: "#params with binary location": 2,
17 ; CHECK: "#variables processed by location statistics": 6,
18 ; CHECK-NEXT: "#variables with 0% of parent scope covered by DW_AT_location": 1,
19 ; CHECK-NEXT: "#variables with (0%,10%) of parent scope covered by DW_AT_location": 0,
20 ; CHECK-NEXT: "#variables with [10%,20%) of parent scope covered by DW_AT_location": 0,
21 ; CHECK-NEXT: "#variables with [20%,30%) of parent scope covered by DW_AT_location": 0,
22 ; CHECK-NEXT: "#variables with [30%,40%) of parent scope covered by DW_AT_location": 0,
23 ; CHECK-NEXT: "#variables with [40%,50%) of parent scope covered by DW_AT_location": 0,
24 ; CHECK-NEXT: "#variables with [50%,60%) of parent scope covered by DW_AT_location": 1,
25 ; CHECK-NEXT: "#variables with [60%,70%) of parent scope covered by DW_AT_location": 0,
26 ; CHECK-NEXT: "#variables with [70%,80%) of parent scope covered by DW_AT_location": 0,
27 ; CHECK-NEXT: "#variables with [80%,90%) of parent scope covered by DW_AT_location": 1,
28 ; CHECK-NEXT: "#variables with [90%,100%) of parent scope covered by DW_AT_location": 0,
29 ; CHECK-NEXT: "#variables with 100% of parent scope covered by DW_AT_location": 3,
30 ; CHECK-NEXT: "#variables - entry values with 0% of parent scope covered by DW_AT_location": 1,
31 ; CHECK-NEXT: "#variables - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0,
32 ; CHECK-NEXT: "#variables - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0,
33 ; CHECK-NEXT: "#variables - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0,
34 ; CHECK-NEXT: "#variables - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0,
35 ; CHECK-NEXT: "#variables - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0,
36 ; CHECK-NEXT: "#variables - entry values with [50%,60%) of parent scope covered by DW_AT_location": 2,
37 ; CHECK-NEXT: "#variables - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0,
38 ; CHECK-NEXT: "#variables - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0,
39 ; CHECK-NEXT: "#variables - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1,
40 ; CHECK-NEXT: "#variables - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0,
41 ; CHECK-NEXT: "#variables - entry values with 100% of parent scope covered by DW_AT_location": 2,
42 ; CHECK-NEXT: "#params processed by location statistics": 2,
43 ; CHECK-NEXT: "#params with 0% of parent scope covered by DW_AT_location": 0,
44 ; CHECK-NEXT: "#params with (0%,10%) of parent scope covered by DW_AT_location": 0,
45 ; CHECK-NEXT: "#params with [10%,20%) of parent scope covered by DW_AT_location": 0,
46 ; CHECK-NEXT: "#params with [20%,30%) of parent scope covered by DW_AT_location": 0,
47 ; CHECK-NEXT: "#params with [30%,40%) of parent scope covered by DW_AT_location": 0,
48 ; CHECK-NEXT: "#params with [40%,50%) of parent scope covered by DW_AT_location": 0,
49 ; CHECK-NEXT: "#params with [50%,60%) of parent scope covered by DW_AT_location": 0,
50 ; CHECK-NEXT: "#params with [60%,70%) of parent scope covered by DW_AT_location": 0,
51 ; CHECK-NEXT: "#params with [70%,80%) of parent scope covered by DW_AT_location": 0,
52 ; CHECK-NEXT: "#params with [80%,90%) of parent scope covered by DW_AT_location": 0,
53 ; CHECK-NEXT: "#params with [90%,100%) of parent scope covered by DW_AT_location": 0,
54 ; CHECK-NEXT: "#params with 100% of parent scope covered by DW_AT_location": 2,
55 ; CHECK-NEXT: "#params - entry values with 0% of parent scope covered by DW_AT_location": 0,
56 ; CHECK-NEXT: "#params - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0,
57 ; CHECK-NEXT: "#params - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0,
58 ; CHECK-NEXT: "#params - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0,
59 ; CHECK-NEXT: "#params - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0,
60 ; CHECK-NEXT: "#params - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0,
61 ; CHECK-NEXT: "#params - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1,
62 ; CHECK-NEXT: "#params - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0,
63 ; CHECK-NEXT: "#params - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0,
64 ; CHECK-NEXT: "#params - entry values with [80%,90%) of parent scope covered by DW_AT_location": 0,
65 ; CHECK-NEXT: "#params - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0,
66 ; CHECK-NEXT: "#params - entry values with 100% of parent scope covered by DW_AT_location": 1,
67 ; CHECK-NEXT: "#local vars processed by location statistics": 4,
68 ; CHECK-NEXT: "#local vars with 0% of parent scope covered by DW_AT_location": 1,
69 ; CHECK-NEXT: "#local vars with (0%,10%) of parent scope covered by DW_AT_location": 0,
70 ; CHECK-NEXT: "#local vars with [10%,20%) of parent scope covered by DW_AT_location": 0,
71 ; CHECK-NEXT: "#local vars with [20%,30%) of parent scope covered by DW_AT_location": 0,
72 ; CHECK-NEXT: "#local vars with [30%,40%) of parent scope covered by DW_AT_location": 0,
73 ; CHECK-NEXT: "#local vars with [40%,50%) of parent scope covered by DW_AT_location": 0,
74 ; CHECK-NEXT: "#local vars with [50%,60%) of parent scope covered by DW_AT_location": 1,
75 ; CHECK-NEXT: "#local vars with [60%,70%) of parent scope covered by DW_AT_location": 0,
76 ; CHECK-NEXT: "#local vars with [70%,80%) of parent scope covered by DW_AT_location": 0,
77 ; CHECK-NEXT: "#local vars with [80%,90%) of parent scope covered by DW_AT_location": 1,
78 ; CHECK-NEXT: "#local vars with [90%,100%) of parent scope covered by DW_AT_location": 0,
79 ; CHECK-NEXT: "#local vars with 100% of parent scope covered by DW_AT_location": 1,
80 ; CHECK-NEXT: "#local vars - entry values with 0% of parent scope covered by DW_AT_location": 1,
81 ; CHECK-NEXT: "#local vars - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0,
82 ; CHECK-NEXT: "#local vars - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0,
83 ; CHECK-NEXT: "#local vars - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0,
84 ; CHECK-NEXT: "#local vars - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0,
85 ; CHECK-NEXT: "#local vars - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0,
86 ; CHECK-NEXT: "#local vars - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1,
87 ; CHECK-NEXT: "#local vars - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0,
88 ; CHECK-NEXT: "#local vars - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0,
89 ; CHECK-NEXT: "#local vars - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1,
90 ; CHECK-NEXT: "#local vars - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0,
91 ; CHECK-NEXT: "#local vars - entry values with 100% of parent scope covered by DW_AT_location": 1
93 ; The source code of the test case:
94 ; extern void fn3(int *);
95 ; extern void fn2 (int);
96 ; __attribute__((noinline))
112 ; __attribute__((noinline))
122 ; ModuleID = 'test.c'
123 source_filename = "test.c"
124 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
125 target triple = "x86_64-unknown-linux-gnu"
127 ; Function Attrs: noinline nounwind uwtable
128 define dso_local void @fn1(i32 %x, i32 %y) local_unnamed_addr !dbg !16 {
130 call void @llvm.dbg.value(metadata i32 %x, metadata !20, metadata !DIExpression()), !dbg !24
131 call void @llvm.dbg.value(metadata i32 %y, metadata !21, metadata !DIExpression()), !dbg !24
132 call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24
133 call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24
134 call void @llvm.dbg.value(metadata i32 7, metadata !23, metadata !DIExpression()), !dbg !24
135 tail call void @fn2(i32 7), !dbg !25
136 call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression(DW_OP_constu, 1, DW_OP_minus, DW_OP_stack_value)), !dbg !24
140 ; Function Attrs: argmemonly nounwind willreturn
141 declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
143 declare !dbg !4 dso_local void @fn2(i32) local_unnamed_addr
145 ; Function Attrs: argmemonly nounwind willreturn
146 declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
148 ; Function Attrs: noinline nounwind uwtable
149 define dso_local i32 @f() local_unnamed_addr !dbg !27 {
151 %l = alloca i32, align 4
152 %k = alloca i32, align 4
153 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %l), !dbg !33
154 call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %k), !dbg !33
155 call void @llvm.dbg.value(metadata ptr %l, metadata !31, metadata !DIExpression(DW_OP_deref)), !dbg !34
156 call void @fn3(ptr nonnull %l), !dbg !35
157 call void @llvm.dbg.value(metadata ptr %k, metadata !32, metadata !DIExpression(DW_OP_deref)), !dbg !34
158 call void @fn3(ptr nonnull %k), !dbg !36
159 %0 = load i32, ptr %l, align 4, !dbg !37
160 call void @llvm.dbg.value(metadata i32 %0, metadata !31, metadata !DIExpression()), !dbg !34
161 %1 = load i32, ptr %k, align 4, !dbg !37
162 call void @llvm.dbg.value(metadata i32 %1, metadata !32, metadata !DIExpression()), !dbg !34
163 call void @fn1(i32 %0, i32 %1), !dbg !37
164 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %k), !dbg !37
165 call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %l), !dbg !37
169 declare !dbg !8 dso_local void @fn3(ptr) local_unnamed_addr
171 ; Function Attrs: nounwind readnone speculatable willreturn
172 declare void @llvm.dbg.value(metadata, metadata, metadata)
175 !llvm.module.flags = !{!12, !13, !14}
178 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, nameTableKind: None)
179 !1 = !DIFile(filename: "test.c", directory: "/")
182 !4 = !DISubprogram(name: "fn2", scope: !1, file: !1, line: 2, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
183 !5 = !DISubroutineType(types: !6)
185 !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
186 !8 = !DISubprogram(name: "fn3", scope: !1, file: !1, line: 1, type: !9, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
187 !9 = !DISubroutineType(types: !10)
189 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
190 !12 = !{i32 2, !"Dwarf Version", i32 4}
191 !13 = !{i32 2, !"Debug Info Version", i32 3}
192 !14 = !{i32 1, !"wchar_size", i32 4}
193 !15 = !{!"clang version 10.0.0"}
194 !16 = distinct !DISubprogram(name: "fn1", scope: !1, file: !1, line: 6, type: !17, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !19)
195 !17 = !DISubroutineType(types: !18)
196 !18 = !{null, !7, !7}
197 !19 = !{!20, !21, !22, !23}
198 !20 = !DILocalVariable(name: "x", arg: 1, scope: !16, file: !1, line: 6, type: !7)
199 !21 = !DILocalVariable(name: "y", arg: 2, scope: !16, file: !1, line: 6, type: !7)
200 !22 = !DILocalVariable(name: "u", scope: !16, file: !1, line: 8, type: !7)
201 !23 = !DILocalVariable(name: "a", scope: !16, file: !1, line: 18, type: !7)
202 !24 = !DILocation(line: 0, scope: !16)
203 !25 = !DILocation(line: 20, column: 3, scope: !16)
204 !26 = !DILocation(line: 22, column: 1, scope: !16)
205 !27 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 25, type: !28, scopeLine: 26, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !30)
206 !28 = !DISubroutineType(types: !29)
209 !31 = !DILocalVariable(name: "l", scope: !27, file: !1, line: 27, type: !7)
210 !32 = !DILocalVariable(name: "k", scope: !27, file: !1, line: 27, type: !7)
211 !33 = !DILocation(line: 27, column: 3, scope: !27)
212 !34 = !DILocation(line: 0, scope: !27)
213 !35 = !DILocation(line: 29, column: 3, scope: !27)
214 !36 = !DILocation(line: 30, column: 3, scope: !27)
215 !37 = !DILocation(line: 32, column: 8, scope: !27)