xref: /llvm-project/llvm/test/tools/llvm-dwarfdump/X86/locstats.ll (revision 451f3fcffdeb95db8a42b1403bdf9d95dda0e6d0)
1; RUN: llc -debug-entry-values %s -o - -filetype=obj \
2; RUN:   | llvm-dwarfdump -statistics - | FileCheck %s
3; RUN: llc -debug-entry-values --dwarf-version=4 %s -o - -filetype=obj \
4; RUN:   | llvm-dwarfdump -statistics - | FileCheck %s
5; RUN: llc -debug-entry-values --dwarf-version=3 %s -o - -filetype=obj \
6; RUN:   | llvm-dwarfdump -statistics - | FileCheck %s
7; RUN: llc -debug-entry-values --dwarf-version=2 %s -o - -filetype=obj \
8; RUN:   | llvm-dwarfdump -statistics - | FileCheck %s
9
10; CHECK:      "sum_all_variables(#bytes in parent scope covered by DW_OP_entry_value)": 5,
11; CHECK-NEXT: "sum_all_params(#bytes in parent scope)": 20,
12; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_AT_location)": 20,
13; CHECK-NEXT: "sum_all_params(#bytes in parent scope covered by DW_OP_entry_value)": 5,
14; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope)": 90,
15; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_AT_location)": 60,
16; CHECK-NEXT: "sum_all_local_vars(#bytes in parent scope covered by DW_OP_entry_value)": 0,
17; CHECK-NEXT: "#bytes within functions": 45,
18; CHECK-NEXT: "#bytes within inlined functions": 0,
19; CHECK-NEXT: "#params": 2,
20; CHECK-NEXT: "#params with source location": 2,
21; CHECK-NEXT: "#params with type": 2,
22; CHECK-NEXT: "#params with binary location": 2,
23; CHECK:      "#variables processed by location statistics": 6,
24; CHECK-NEXT: "#variables with 0% of parent scope covered by DW_AT_location": 1,
25; CHECK-NEXT: "#variables with (0%,10%) of parent scope covered by DW_AT_location": 0,
26; CHECK-NEXT: "#variables with [10%,20%) of parent scope covered by DW_AT_location": 0,
27; CHECK-NEXT: "#variables with [20%,30%) of parent scope covered by DW_AT_location": 0,
28; CHECK-NEXT: "#variables with [30%,40%) of parent scope covered by DW_AT_location": 0,
29; CHECK-NEXT: "#variables with [40%,50%) of parent scope covered by DW_AT_location": 0,
30; CHECK-NEXT: "#variables with [50%,60%) of parent scope covered by DW_AT_location": 1,
31; CHECK-NEXT: "#variables with [60%,70%) of parent scope covered by DW_AT_location": 0,
32; CHECK-NEXT: "#variables with [70%,80%) of parent scope covered by DW_AT_location": 0,
33; CHECK-NEXT: "#variables with [80%,90%) of parent scope covered by DW_AT_location": 1,
34; CHECK-NEXT: "#variables with [90%,100%) of parent scope covered by DW_AT_location": 0,
35; CHECK-NEXT: "#variables with 100% of parent scope covered by DW_AT_location": 3,
36; CHECK-NEXT: "#variables - entry values with 0% of parent scope covered by DW_AT_location": 1,
37; CHECK-NEXT: "#variables - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0,
38; CHECK-NEXT: "#variables - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0,
39; CHECK-NEXT: "#variables - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0,
40; CHECK-NEXT: "#variables - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0,
41; CHECK-NEXT: "#variables - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0,
42; CHECK-NEXT: "#variables - entry values with [50%,60%) of parent scope covered by DW_AT_location": 2,
43; CHECK-NEXT: "#variables - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0,
44; CHECK-NEXT: "#variables - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0,
45; CHECK-NEXT: "#variables - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1,
46; CHECK-NEXT: "#variables - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0,
47; CHECK-NEXT: "#variables - entry values with 100% of parent scope covered by DW_AT_location": 2,
48; CHECK-NEXT: "#params processed by location statistics": 2,
49; CHECK-NEXT: "#params with 0% of parent scope covered by DW_AT_location": 0,
50; CHECK-NEXT: "#params with (0%,10%) of parent scope covered by DW_AT_location": 0,
51; CHECK-NEXT: "#params with [10%,20%) of parent scope covered by DW_AT_location": 0,
52; CHECK-NEXT: "#params with [20%,30%) of parent scope covered by DW_AT_location": 0,
53; CHECK-NEXT: "#params with [30%,40%) of parent scope covered by DW_AT_location": 0,
54; CHECK-NEXT: "#params with [40%,50%) of parent scope covered by DW_AT_location": 0,
55; CHECK-NEXT: "#params with [50%,60%) of parent scope covered by DW_AT_location": 0,
56; CHECK-NEXT: "#params with [60%,70%) of parent scope covered by DW_AT_location": 0,
57; CHECK-NEXT: "#params with [70%,80%) of parent scope covered by DW_AT_location": 0,
58; CHECK-NEXT: "#params with [80%,90%) of parent scope covered by DW_AT_location": 0,
59; CHECK-NEXT: "#params with [90%,100%) of parent scope covered by DW_AT_location": 0,
60; CHECK-NEXT: "#params with 100% of parent scope covered by DW_AT_location": 2,
61; CHECK-NEXT: "#params - entry values with 0% of parent scope covered by DW_AT_location": 0,
62; CHECK-NEXT: "#params - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0,
63; CHECK-NEXT: "#params - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0,
64; CHECK-NEXT: "#params - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0,
65; CHECK-NEXT: "#params - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0,
66; CHECK-NEXT: "#params - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0,
67; CHECK-NEXT: "#params - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1,
68; CHECK-NEXT: "#params - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0,
69; CHECK-NEXT: "#params - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0,
70; CHECK-NEXT: "#params - entry values with [80%,90%) of parent scope covered by DW_AT_location": 0,
71; CHECK-NEXT: "#params - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0,
72; CHECK-NEXT: "#params - entry values with 100% of parent scope covered by DW_AT_location": 1,
73; CHECK-NEXT: "#local vars processed by location statistics": 4,
74; CHECK-NEXT: "#local vars with 0% of parent scope covered by DW_AT_location": 1,
75; CHECK-NEXT: "#local vars with (0%,10%) of parent scope covered by DW_AT_location": 0,
76; CHECK-NEXT: "#local vars with [10%,20%) of parent scope covered by DW_AT_location": 0,
77; CHECK-NEXT: "#local vars with [20%,30%) of parent scope covered by DW_AT_location": 0,
78; CHECK-NEXT: "#local vars with [30%,40%) of parent scope covered by DW_AT_location": 0,
79; CHECK-NEXT: "#local vars with [40%,50%) of parent scope covered by DW_AT_location": 0,
80; CHECK-NEXT: "#local vars with [50%,60%) of parent scope covered by DW_AT_location": 1,
81; CHECK-NEXT: "#local vars with [60%,70%) of parent scope covered by DW_AT_location": 0,
82; CHECK-NEXT: "#local vars with [70%,80%) of parent scope covered by DW_AT_location": 0,
83; CHECK-NEXT: "#local vars with [80%,90%) of parent scope covered by DW_AT_location": 1,
84; CHECK-NEXT: "#local vars with [90%,100%) of parent scope covered by DW_AT_location": 0,
85; CHECK-NEXT: "#local vars with 100% of parent scope covered by DW_AT_location": 1,
86; CHECK-NEXT: "#local vars - entry values with 0% of parent scope covered by DW_AT_location": 1,
87; CHECK-NEXT: "#local vars - entry values with (0%,10%) of parent scope covered by DW_AT_location": 0,
88; CHECK-NEXT: "#local vars - entry values with [10%,20%) of parent scope covered by DW_AT_location": 0,
89; CHECK-NEXT: "#local vars - entry values with [20%,30%) of parent scope covered by DW_AT_location": 0,
90; CHECK-NEXT: "#local vars - entry values with [30%,40%) of parent scope covered by DW_AT_location": 0,
91; CHECK-NEXT: "#local vars - entry values with [40%,50%) of parent scope covered by DW_AT_location": 0,
92; CHECK-NEXT: "#local vars - entry values with [50%,60%) of parent scope covered by DW_AT_location": 1,
93; CHECK-NEXT: "#local vars - entry values with [60%,70%) of parent scope covered by DW_AT_location": 0,
94; CHECK-NEXT: "#local vars - entry values with [70%,80%) of parent scope covered by DW_AT_location": 0,
95; CHECK-NEXT: "#local vars - entry values with [80%,90%) of parent scope covered by DW_AT_location": 1,
96; CHECK-NEXT: "#local vars - entry values with [90%,100%) of parent scope covered by DW_AT_location": 0,
97; CHECK-NEXT: "#local vars - entry values with 100% of parent scope covered by DW_AT_location": 1
98; CHECK-NEXT: "#bytes with line information": 51,
99; CHECK-NEXT: "#bytes with line-0 locations": 3,
100; CHECK-NEXT: "#line entries": 7,
101; CHECK-NEXT: "#line entries (is_stmt)": 5,
102; CHECK-NEXT: "#line entries (unique)": 6,
103; CHECK-NEXT: "#line entries (unique non-0)": 5
104
105; The source code of the test case:
106; extern void fn3(int *);
107; extern void fn2 (int);
108; __attribute__((noinline))
109; void
110; fn1 (int x, int y)
111; {
112;   int u = x + y;
113;   if (x > 1)
114;     u += 1;
115;   else
116;     u += 2;
117;   if (y > 4)
118;     u += x;
119;   int a = 7;
120;   fn2 (a);
121;   u --;
122; }
123
124; __attribute__((noinline))
125; int f()
126; {
127;   int l, k;
128;   fn3(&l);
129;   fn3(&k);
130;   fn1 (l, k);
131;   return 0;
132; }
133
134; ModuleID = 'test.c'
135source_filename = "test.c"
136target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
137target triple = "x86_64-unknown-linux-gnu"
138
139; Function Attrs: noinline nounwind uwtable
140define dso_local void @fn1(i32 %x, i32 %y) local_unnamed_addr !dbg !16 {
141entry:
142  call void @llvm.dbg.value(metadata i32 %x, metadata !20, metadata !DIExpression()), !dbg !24
143  call void @llvm.dbg.value(metadata i32 %y, metadata !21, metadata !DIExpression()), !dbg !24
144  call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24
145  call void @llvm.dbg.value(metadata i32 undef, metadata !22, metadata !DIExpression()), !dbg !24
146  call void @llvm.dbg.value(metadata i32 7, metadata !23, metadata !DIExpression()), !dbg !24
147  tail call void @fn2(i32 7), !dbg !25
148  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
149  ret void, !dbg !26
150}
151
152; Function Attrs: argmemonly nounwind willreturn
153declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
154
155declare !dbg !4 dso_local void @fn2(i32) local_unnamed_addr
156
157; Function Attrs: argmemonly nounwind willreturn
158declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
159
160; Function Attrs: noinline nounwind uwtable
161define dso_local i32 @f() local_unnamed_addr !dbg !27 {
162entry:
163  %l = alloca i32, align 4
164  %k = alloca i32, align 4
165  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %l), !dbg !33
166  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %k), !dbg !33
167  call void @llvm.dbg.value(metadata ptr %l, metadata !31, metadata !DIExpression(DW_OP_deref)), !dbg !34
168  call void @fn3(ptr nonnull %l), !dbg !35
169  call void @llvm.dbg.value(metadata ptr %k, metadata !32, metadata !DIExpression(DW_OP_deref)), !dbg !34
170  call void @fn3(ptr nonnull %k), !dbg !36
171  %0 = load i32, ptr %l, align 4, !dbg !37
172  call void @llvm.dbg.value(metadata i32 %0, metadata !31, metadata !DIExpression()), !dbg !34
173  %1 = load i32, ptr %k, align 4, !dbg !37
174  call void @llvm.dbg.value(metadata i32 %1, metadata !32, metadata !DIExpression()), !dbg !34
175  call void @fn1(i32 %0, i32 %1), !dbg !37
176  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %k), !dbg !37
177  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %l), !dbg !37
178  ret i32 0, !dbg !37
179}
180
181declare !dbg !8 dso_local void @fn3(ptr) local_unnamed_addr
182
183; Function Attrs: nounwind readnone speculatable willreturn
184declare void @llvm.dbg.value(metadata, metadata, metadata)
185
186!llvm.dbg.cu = !{!0}
187!llvm.module.flags = !{!12, !13, !14}
188!llvm.ident = !{!15}
189
190!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)
191!1 = !DIFile(filename: "test.c", directory: "/")
192!2 = !{}
193!3 = !{!4, !8}
194!4 = !DISubprogram(name: "fn2", scope: !1, file: !1, line: 2, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
195!5 = !DISubroutineType(types: !6)
196!6 = !{null, !7}
197!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
198!8 = !DISubprogram(name: "fn3", scope: !1, file: !1, line: 1, type: !9, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2)
199!9 = !DISubroutineType(types: !10)
200!10 = !{null, !11}
201!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
202!12 = !{i32 2, !"Dwarf Version", i32 4}
203!13 = !{i32 2, !"Debug Info Version", i32 3}
204!14 = !{i32 1, !"wchar_size", i32 4}
205!15 = !{!"clang version 10.0.0"}
206!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)
207!17 = !DISubroutineType(types: !18)
208!18 = !{null, !7, !7}
209!19 = !{!20, !21, !22, !23}
210!20 = !DILocalVariable(name: "x", arg: 1, scope: !16, file: !1, line: 6, type: !7)
211!21 = !DILocalVariable(name: "y", arg: 2, scope: !16, file: !1, line: 6, type: !7)
212!22 = !DILocalVariable(name: "u", scope: !16, file: !1, line: 8, type: !7)
213!23 = !DILocalVariable(name: "a", scope: !16, file: !1, line: 18, type: !7)
214!24 = !DILocation(line: 0, scope: !16)
215!25 = !DILocation(line: 20, column: 3, scope: !16)
216!26 = !DILocation(line: 22, column: 1, scope: !16)
217!27 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 25, type: !28, scopeLine: 26, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !30)
218!28 = !DISubroutineType(types: !29)
219!29 = !{!7}
220!30 = !{!31, !32}
221!31 = !DILocalVariable(name: "l", scope: !27, file: !1, line: 27, type: !7)
222!32 = !DILocalVariable(name: "k", scope: !27, file: !1, line: 27, type: !7)
223!33 = !DILocation(line: 27, column: 3, scope: !27)
224!34 = !DILocation(line: 0, scope: !27)
225!35 = !DILocation(line: 29, column: 3, scope: !27)
226!36 = !DILocation(line: 30, column: 3, scope: !27)
227!37 = !DILocation(line: 32, column: 8, scope: !27)
228