1 ;; Test to make sure that memprof works and do cloning right when exists direct recursion.
2 ;; Original code looks like:
3 ;; After modify alloc type, there are two direct recursion with hot and cold alloc type.
5 ;; extern void foo(int);
20 ;; for (int i = 0; i < 100; ++i)
29 ; RUN: split-file %s %t
30 ; RUN: opt -thinlto-bc %t/b.ll >%t/b.o
31 ; RUN: opt -thinlto-bc %t/a.ll >%t/a.o
33 ; RUN: llvm-lto2 run %t/b.o %t/a.o -enable-memprof-context-disambiguation \
34 ; RUN: -supports-hot-cold-new \
35 ; RUN: -thinlto-distributed-indexes \
36 ; RUN: -r=%t/b.o,_Z3fooi,plx \
37 ; RUN: -r=%t/b.o,aliasee,plx \
40 ; RUN: -r=%t/b.o,_Znam \
41 ; RUN: -r=%t/a.o,main,plx \
42 ; RUN: -r=%t/a.o,_Z3fooi \
43 ; RUN: -r=%t/a.o,a,plx \
44 ; RUN: -r=%t/a.o,b,plx \
45 ; RUN: -memprof-dump-ccg \
46 ; RUN: -o %t2.out 2>&1
48 ; RUN: llvm-dis %t/b.o.thinlto.bc -o - | FileCheck %s --check-prefix=SUMMARY
50 ;; Test direct recursion don't cause assert failed and do cloning right.
51 ; RUN: opt -passes=memprof-context-disambiguation \
52 ; RUN: -memprof-import-summary=%t/b.o.thinlto.bc \
53 ; RUN: %t/b.o -S | FileCheck %s --check-prefix=IR
55 ; SUMMARY: stackIds: (1985258834072910425, 2841526434899864997)
56 ; SUMMARY-NOT: stackIds: (1985258834072910425, 1985258834072910425, 2841526434899864997)
59 ; IR: _Z3fooi.memprof.1
60 ; IR: "memprof"="notcold"
61 ; IR: "memprof"="cold"
65 source_filename = "b.cpp"
66 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
67 target triple = "x86_64-unknown-linux-gnu"
69 ;; Make sure the distributed summary bitcode writing succeeds when the memprof
70 ;; metadata is in an aliasee.
71 @_Z3fooi = alias void (), ptr @aliasee
73 @a = external local_unnamed_addr global ptr, align 8
74 @b = external local_unnamed_addr global i32, align 4
76 ; Function Attrs: mustprogress uwtable
77 define dso_local void @aliasee(i32 noundef %0) local_unnamed_addr #0 !dbg !9 {
81 %3 = tail call noalias noundef nonnull dereferenceable(4) ptr @_Znam(i64 noundef 4) #2, !dbg !13, !memprof !14, !callsite !55
82 store ptr %3, ptr @a, align 8, !dbg !56, !tbaa !57
83 %4 = and i32 %0, 1, !dbg !61
84 %5 = icmp eq i32 %4, 0, !dbg !62
85 br i1 %5, label %7, label %6, !dbg !62
88 store i32 1, ptr %3, align 4, !tbaa !63
92 %8 = load i32, ptr @b, align 4, !dbg !65, !tbaa !63
93 %9 = add nsw i32 %8, -1, !dbg !65
94 store i32 %9, ptr @b, align 4, !dbg !65, !tbaa !63
95 %10 = icmp eq i32 %9, 0, !dbg !66
96 br i1 %10, label %11, label %2, !dbg !66
102 ; Function Attrs: nobuiltin allocsize(0)
103 declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #1
105 attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
106 attributes #1 = { nobuiltin allocsize(0) "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
107 attributes #2 = { builtin allocsize(0) }
110 !llvm.module.flags = !{!2, !3, !4, !5, !6, !7}
113 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 18.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)
114 !1 = !DIFile(filename: "b.cpp", directory: "/", checksumkind: CSK_MD5, checksum: "8fa6c585f9d2c35f1a82b920e64bbda2")
115 !2 = !{i32 7, !"Dwarf Version", i32 5}
116 !3 = !{i32 2, !"Debug Info Version", i32 3}
117 !4 = !{i32 1, !"wchar_size", i32 4}
118 !5 = !{i32 8, !"PIC Level", i32 2}
119 !6 = !{i32 7, !"PIE Level", i32 2}
120 !7 = !{i32 7, !"uwtable", i32 2}
121 !8 = !{!"clang version 18.0.0"}
122 !9 = distinct !DISubprogram(name: "foo", linkageName: "_Z3fooi", scope: !1, file: !1, line: 4, type: !10, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
123 !10 = !DISubroutineType(types: !11)
125 !12 = !DILocation(line: 12, column: 9, scope: !9)
126 !13 = !DILocation(line: 5, column: 9, scope: !9)
127 !14 = !{!15, !17, !19, !21, !23, !25, !27, !29, !31, !33, !35, !37, !39, !41, !43, !45, !47, !49, !51, !53}
129 !16 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
130 !17 = !{!18, !"cold"}
131 !18 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
133 !20 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
134 !21 = !{!22, !"cold"}
135 !22 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
137 !24 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
138 !25 = !{!26, !"cold"}
139 !26 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
141 !28 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
142 !29 = !{!30, !"cold"}
143 !30 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
145 !32 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
146 !33 = !{!34, !"cold"}
147 !34 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
149 !36 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
150 !37 = !{!38, !"cold"}
151 !38 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
153 !40 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
154 !41 = !{!42, !"cold"}
155 !42 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
157 !44 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 2841526434899864997}
158 !45 = !{!46, !"cold"}
159 !46 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 1985258834072910425, i64 8256520048276991898}
161 !48 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 2841526434899864997}
162 !49 = !{!50, !"cold"}
163 !50 = !{i64 -1057479539165743997, i64 1985258834072910425, i64 8256520048276991898}
165 !52 = !{i64 -1057479539165743997, i64 2841526434899864997}
166 !53 = !{!54, !"cold"}
167 !54 = !{i64 -1057479539165743997, i64 8256520048276991898}
168 !55 = !{i64 -1057479539165743997}
169 !56 = !DILocation(line: 5, column: 7, scope: !9)
170 !57 = !{!58, !58, i64 0}
171 !58 = !{!"any pointer", !59, i64 0}
172 !59 = !{!"omnipotent char", !60, i64 0}
173 !60 = !{!"Simple C++ TBAA"}
174 !61 = !DILocation(line: 6, column: 10, scope: !9)
175 !62 = !DILocation(line: 6, column: 9, scope: !9)
176 !63 = !{!64, !64, i64 0}
177 !64 = !{!"int", !59, i64 0}
178 !65 = !DILocation(line: 10, column: 5, scope: !9)
179 !66 = !DILocation(line: 11, column: 9, scope: !9)
180 !67 = !DILocation(line: 14, column: 1, scope: !9)
184 source_filename = "a.cpp"
185 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
186 target triple = "x86_64-unknown-linux-gnu"
188 @b = dso_local local_unnamed_addr global i32 10, align 4
189 @a = dso_local local_unnamed_addr global ptr null, align 8
191 ; Function Attrs: mustprogress norecurse uwtable
192 define dso_local noundef i32 @main() local_unnamed_addr #0 !dbg !9 {
193 tail call void @_Z3fooi(i32 noundef 1), !dbg !12, !callsite !13
194 store i32 10, ptr @b, align 4, !dbg !14, !tbaa !15
195 tail call void @_Z3fooi(i32 noundef 2), !dbg !19, !callsite !20
199 declare !dbg !22 void @_Z3fooi(i32 noundef) local_unnamed_addr #1
201 attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
202 attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
205 !llvm.module.flags = !{!2, !3, !4, !5, !6, !7}
208 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 18.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)
209 !1 = !DIFile(filename: "a.cpp", directory: "/", checksumkind: CSK_MD5, checksum: "16ecbfa723a07d69c0374cfc704a7c44")
210 !2 = !{i32 7, !"Dwarf Version", i32 5}
211 !3 = !{i32 2, !"Debug Info Version", i32 3}
212 !4 = !{i32 1, !"wchar_size", i32 4}
213 !5 = !{i32 8, !"PIC Level", i32 2}
214 !6 = !{i32 7, !"PIE Level", i32 2}
215 !7 = !{i32 7, !"uwtable", i32 2}
216 !8 = !{!"clang version 18.0.0"}
217 !9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 4, type: !10, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
218 !10 = !DISubroutineType(types: !11)
220 !12 = !DILocation(line: 5, column: 5, scope: !9)
221 !13 = !{i64 2841526434899864997}
222 !14 = !DILocation(line: 6, column: 7, scope: !9)
223 !15 = !{!16, !16, i64 0}
224 !16 = !{!"int", !17, i64 0}
225 !17 = !{!"omnipotent char", !18, i64 0}
226 !18 = !{!"Simple C++ TBAA"}
227 !19 = !DILocation(line: 7, column: 5, scope: !9)
228 !20 = !{i64 8256520048276991898}
229 !21 = !DILocation(line: 8, column: 5, scope: !9)
230 !22 = !DISubprogram(name: "foo", linkageName: "_Z3fooi", scope: !1, file: !1, line: 1, type: !10, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized)