1 ;; Test for memprof metadata propagation, ensuring metadata is simplified
2 ;; to function attributes appropriately after inlining profiled call chains.
4 ;; The following code was used to generate the following IR and its memprof
11 ;; return new char[10];
16 ;; int main(int argc, char **argv) {
31 ; RUN: opt -passes=inline %s -S | FileCheck %s
33 ; ModuleID = 'memprof_inline.cc'
34 source_filename = "memprof_inline.cc"
35 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
36 target triple = "x86_64-unknown-linux-gnu"
38 ; Function Attrs: mustprogress uwtable
39 ; CHECK-LABEL: define dso_local noundef ptr @_Z3foov
40 define dso_local noundef ptr @_Z3foov() #0 !dbg !39 {
42 ;; We should keep the original memprof metadata intact.
43 ; CHECK: call {{.*}} @_Znam{{.*}} !memprof ![[ORIGMEMPROF:[0-9]+]]
44 %call = call noalias noundef nonnull ptr @_Znam(i64 noundef 10) #6, !dbg !42, !memprof !43, !callsite !50
46 ret ptr %call, !dbg !51
49 ; Function Attrs: nobuiltin allocsize(0)
50 declare noundef nonnull ptr @_Znam(i64 noundef) #1
52 ; Function Attrs: mustprogress uwtable
53 ; CHECK-LABEL: define dso_local noundef ptr @_Z4foo2v
54 define dso_local noundef ptr @_Z4foo2v() #0 !dbg !52 {
56 ; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD:[0-9]+]]
57 %call = call noundef ptr @_Z3foov(), !dbg !53, !callsite !54
58 ret ptr %call, !dbg !55
61 ; Function Attrs: mustprogress norecurse uwtable
62 ; CHECK-LABEL: define dso_local noundef i32 @main
63 define dso_local noundef i32 @main(i32 noundef %argc, ptr noundef %argv) #2 !dbg !56 {
65 %retval = alloca i32, align 4
66 %argc.addr = alloca i32, align 4
67 %argv.addr = alloca ptr, align 8
68 %c = alloca ptr, align 8
69 %d = alloca ptr, align 8
70 %e = alloca ptr, align 8
71 store i32 0, ptr %retval, align 4
72 store i32 %argc, ptr %argc.addr, align 4
73 store ptr %argv, ptr %argv.addr, align 8
74 ; CHECK: call {{.*}} @_Znam{{.*}} #[[NOTCOLD:[0-9]+]]
75 %call = call noundef ptr @_Z3foov(), !dbg !57, !callsite !58
76 store ptr %call, ptr %c, align 8, !dbg !59
77 ; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD]]
78 %call1 = call noundef ptr @_Z3foov(), !dbg !60, !callsite !61
79 store ptr %call1, ptr %d, align 8, !dbg !62
80 ; CHECK: call {{.*}} @_Znam{{.*}} #[[COLD]]
81 %call2 = call noundef ptr @_Z4foo2v(), !dbg !63, !callsite !64
82 store ptr %call2, ptr %e, align 8, !dbg !65
83 %0 = load ptr, ptr %c, align 8, !dbg !66
84 call void @llvm.memset.p0.i64(ptr align 1 %0, i8 0, i64 10, i1 false), !dbg !67
85 %1 = load ptr, ptr %d, align 8, !dbg !68
86 call void @llvm.memset.p0.i64(ptr align 1 %1, i8 0, i64 10, i1 false), !dbg !69
87 %2 = load ptr, ptr %e, align 8, !dbg !70
88 call void @llvm.memset.p0.i64(ptr align 1 %2, i8 0, i64 10, i1 false), !dbg !71
89 %3 = load ptr, ptr %c, align 8, !dbg !72
90 %isnull = icmp eq ptr %3, null, !dbg !73
91 br i1 %isnull, label %delete.end, label %delete.notnull, !dbg !73
93 delete.notnull: ; preds = %entry
94 call void @_ZdaPv(ptr noundef %3) #7, !dbg !74
95 br label %delete.end, !dbg !74
97 delete.end: ; preds = %delete.notnull, %entry
98 %call4 = call i32 @sleep(i32 noundef 200), !dbg !76
99 %4 = load ptr, ptr %d, align 8, !dbg !77
100 %isnull5 = icmp eq ptr %4, null, !dbg !78
101 br i1 %isnull5, label %delete.end7, label %delete.notnull6, !dbg !78
103 delete.notnull6: ; preds = %delete.end
104 call void @_ZdaPv(ptr noundef %4) #7, !dbg !79
105 br label %delete.end7, !dbg !79
107 delete.end7: ; preds = %delete.notnull6, %delete.end
108 %5 = load ptr, ptr %e, align 8, !dbg !80
109 %isnull8 = icmp eq ptr %5, null, !dbg !81
110 br i1 %isnull8, label %delete.end10, label %delete.notnull9, !dbg !81
112 delete.notnull9: ; preds = %delete.end7
113 call void @_ZdaPv(ptr noundef %5) #7, !dbg !82
114 br label %delete.end10, !dbg !82
116 delete.end10: ; preds = %delete.notnull9, %delete.end7
120 ; Function Attrs: argmemonly nofree nounwind willreturn writeonly
121 declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3
123 ; Function Attrs: nobuiltin nounwind
124 declare void @_ZdaPv(ptr noundef) #4
126 declare i32 @sleep(i32 noundef) #5
128 ; CHECK: attributes #[[COLD]] = { builtin allocsize(0) "memprof"="cold" }
129 ; CHECK: attributes #[[NOTCOLD]] = { builtin allocsize(0) "memprof"="notcold" }
131 attributes #0 = { mustprogress uwtable "disable-tail-calls"="true" "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
132 attributes #1 = { nobuiltin allocsize(0) "disable-tail-calls"="true" "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
133 attributes #2 = { mustprogress norecurse uwtable "disable-tail-calls"="true" "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
134 attributes #3 = { argmemonly nofree nounwind willreturn writeonly }
135 attributes #4 = { nobuiltin nounwind "disable-tail-calls"="true" "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
136 attributes #5 = { "disable-tail-calls"="true" "frame-pointer"="all" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
137 attributes #6 = { builtin allocsize(0) }
138 attributes #7 = { builtin nounwind }
141 !llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8, !9}
144 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 15.0.0 (https://github.com/llvm/llvm-project.git e09c924f98ec157adeaa74819b0aec9a07a1b552)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)
145 !1 = !DIFile(filename: "memprof_inline.cc", directory: "/usr/local/google/home/tejohnson/llvm/tmp", checksumkind: CSK_MD5, checksum: "8711f6fd269e6cb5611fef48bc906eab")
146 !2 = !{i32 7, !"Dwarf Version", i32 5}
147 !3 = !{i32 2, !"Debug Info Version", i32 3}
148 !4 = !{i32 1, !"wchar_size", i32 4}
149 !5 = !{i32 7, !"PIC Level", i32 2}
150 !6 = !{i32 7, !"PIE Level", i32 2}
151 !7 = !{i32 7, !"uwtable", i32 2}
152 !8 = !{i32 7, !"frame-pointer", i32 2}
153 !9 = !{i32 1, !"ProfileSummary", !10}
154 !10 = !{!11, !12, !13, !14, !15, !16, !17, !18, !19, !20}
155 !11 = !{!"ProfileFormat", !"InstrProf"}
156 !12 = !{!"TotalCount", i64 0}
157 !13 = !{!"MaxCount", i64 0}
158 !14 = !{!"MaxInternalCount", i64 0}
159 !15 = !{!"MaxFunctionCount", i64 0}
160 !16 = !{!"NumCounts", i64 0}
161 !17 = !{!"NumFunctions", i64 0}
162 !18 = !{!"IsPartialProfile", i64 0}
163 !19 = !{!"PartialProfileRatio", double 0.000000e+00}
164 !20 = !{!"DetailedSummary", !21}
165 !21 = !{!22, !23, !24, !25, !26, !27, !28, !29, !30, !31, !32, !33, !34, !35, !36, !37}
166 !22 = !{i32 10000, i64 0, i32 0}
167 !23 = !{i32 100000, i64 0, i32 0}
168 !24 = !{i32 200000, i64 0, i32 0}
169 !25 = !{i32 300000, i64 0, i32 0}
170 !26 = !{i32 400000, i64 0, i32 0}
171 !27 = !{i32 500000, i64 0, i32 0}
172 !28 = !{i32 600000, i64 0, i32 0}
173 !29 = !{i32 700000, i64 0, i32 0}
174 !30 = !{i32 800000, i64 0, i32 0}
175 !31 = !{i32 900000, i64 0, i32 0}
176 !32 = !{i32 950000, i64 0, i32 0}
177 !33 = !{i32 990000, i64 0, i32 0}
178 !34 = !{i32 999000, i64 0, i32 0}
179 !35 = !{i32 999900, i64 0, i32 0}
180 !36 = !{i32 999990, i64 0, i32 0}
181 !37 = !{i32 999999, i64 0, i32 0}
182 !38 = !{!"clang version 15.0.0 (https://github.com/llvm/llvm-project.git e09c924f98ec157adeaa74819b0aec9a07a1b552)"}
183 !39 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 4, type: !40, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !41)
184 !40 = !DISubroutineType(types: !41)
186 !42 = !DILocation(line: 5, column: 10, scope: !39)
187 !43 = !{!44, !46, !48}
188 !44 = !{!45, !"cold"}
189 !45 = !{i64 -2458008693472584243, i64 7394638144382192936}
190 !46 = !{!47, !"notcold"}
191 !47 = !{i64 -2458008693472584243, i64 -8908997186479157179}
192 !48 = !{!49, !"cold"}
193 !49 = !{i64 -2458008693472584243, i64 -8079659623765193173}
194 ; CHECK: ![[ORIGMEMPROF]] = !{![[ORIGMIB1:[0-9]+]], ![[ORIGMIB2:[0-9]+]], ![[ORIGMIB3:[0-9]+]]}
195 ; CHECK: ![[ORIGMIB1]] = !{![[ORIGMIBSTACK1:[0-9]+]], !"cold"}
196 ; CHECK: ![[ORIGMIBSTACK1]] = !{i64 -2458008693472584243, i64 7394638144382192936}
197 ; CHECK: ![[ORIGMIB2]] = !{![[ORIGMIBSTACK2:[0-9]+]], !"notcold"}
198 ; CHECK: ![[ORIGMIBSTACK2]] = !{i64 -2458008693472584243, i64 -8908997186479157179}
199 ; CHECK: ![[ORIGMIB3]] = !{![[ORIGMIBSTACK3:[0-9]+]], !"cold"}
200 ; CHECK: ![[ORIGMIBSTACK3]] = !{i64 -2458008693472584243, i64 -8079659623765193173}
201 !50 = !{i64 -2458008693472584243}
202 !51 = !DILocation(line: 5, column: 3, scope: !39)
203 !52 = distinct !DISubprogram(name: "foo2", linkageName: "_Z4foo2v", scope: !1, file: !1, line: 7, type: !40, scopeLine: 7, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !41)
204 !53 = !DILocation(line: 8, column: 10, scope: !52)
205 !54 = !{i64 -8079659623765193173}
206 !55 = !DILocation(line: 8, column: 3, scope: !52)
207 !56 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 16, type: !40, scopeLine: 16, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !41)
208 !57 = !DILocation(line: 17, column: 13, scope: !56)
209 !58 = !{i64 -8908997186479157179}
210 !59 = !DILocation(line: 17, column: 9, scope: !56)
211 !60 = !DILocation(line: 18, column: 13, scope: !56)
212 !61 = !{i64 7394638144382192936}
213 !62 = !DILocation(line: 18, column: 9, scope: !56)
214 !63 = !DILocation(line: 19, column: 13, scope: !56)
215 !64 = !{i64 -5510257407004945023}
216 !65 = !DILocation(line: 19, column: 9, scope: !56)
217 !66 = !DILocation(line: 21, column: 10, scope: !56)
218 !67 = !DILocation(line: 21, column: 3, scope: !56)
219 !68 = !DILocation(line: 22, column: 10, scope: !56)
220 !69 = !DILocation(line: 22, column: 3, scope: !56)
221 !70 = !DILocation(line: 23, column: 10, scope: !56)
222 !71 = !DILocation(line: 23, column: 3, scope: !56)
223 !72 = !DILocation(line: 25, column: 12, scope: !56)
224 !73 = !DILocation(line: 25, column: 3, scope: !56)
225 !74 = !DILocation(line: 25, column: 3, scope: !75)
226 !75 = !DILexicalBlockFile(scope: !56, file: !1, discriminator: 2)
227 !76 = !DILocation(line: 26, column: 3, scope: !56)
228 !77 = !DILocation(line: 27, column: 12, scope: !56)
229 !78 = !DILocation(line: 27, column: 3, scope: !56)
230 !79 = !DILocation(line: 27, column: 3, scope: !75)
231 !80 = !DILocation(line: 28, column: 12, scope: !56)
232 !81 = !DILocation(line: 28, column: 3, scope: !56)
233 !82 = !DILocation(line: 28, column: 3, scope: !75)
234 !83 = !DILocation(line: 30, column: 3, scope: !56)