1 ; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/csspgo-import-list-callee-samples.prof -S | FileCheck %s
3 ; Original source code:
15 ; __attribute__((noinline)) void func()
23 ; for(int i = 0; i < 1000 * 1000; i++)
29 ; int bar(int x) { return x + 1;}
33 ; GUID for bar is -2012135647395072713, make sure bar is not imported.
34 ; CHECK: ![[#]] = !{!"function_entry_count", i64 1557}
35 ; CHECK-NOT: ![[#]] = !{!"function_entry_count", i64 1557, i64 -2012135647395072713}
37 @a = dso_local global i32 1, align 4
39 ; Function Attrs: nounwind uwtable
40 define dso_local ptr @foo() #0 !dbg !11 {
42 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1), !dbg !14
43 %0 = load volatile i32, ptr @a, align 4, !dbg !14, !tbaa !15
44 %inc = add nsw i32 %0, 1, !dbg !14
45 store volatile i32 %inc, ptr @a, align 4, !dbg !14, !tbaa !15
46 ret ptr @bar, !dbg !19
49 declare dso_local i32 @bar(i32 noundef) #1
51 ; Function Attrs: noinline nounwind uwtable
52 define dso_local void @func() #2 !dbg !20 {
54 call void @llvm.pseudoprobe(i64 7289175272376759421, i64 1, i32 0, i64 -1), !dbg !21
55 %call = call ptr @foo(), !dbg !22
56 %call1 = call i32 %call(i32 noundef 10), !dbg !24
57 %0 = load volatile i32, ptr @a, align 4, !dbg !26, !tbaa !15
58 %add = add nsw i32 %0, %call1, !dbg !26
59 store volatile i32 %add, ptr @a, align 4, !dbg !26, !tbaa !15
63 ; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
64 declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3
66 ; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
67 declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3
69 ; Function Attrs: nounwind uwtable
70 define dso_local i32 @main() #0 !dbg !28 {
72 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg !29
73 br label %for.cond, !dbg !30
75 for.cond: ; preds = %for.body, %entry
76 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ], !dbg !31
77 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg !32
78 %cmp = icmp slt i32 %i.0, 1000000, !dbg !34
79 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !36
81 for.cond.cleanup: ; preds = %for.cond
82 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg !37
83 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 6, i32 0, i64 -1), !dbg !38
86 for.body: ; preds = %for.cond
87 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg !39
88 call void @func(), !dbg !40
89 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 5, i32 0, i64 -1), !dbg !42
90 %inc = add nsw i32 %i.0, 1, !dbg !43
91 br label %for.cond, !dbg !45, !llvm.loop !46
94 ; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite)
95 declare void @llvm.pseudoprobe(i64, i64, i32, i64) #4
97 attributes #0 = { nounwind 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"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "use-sample-profile" }
98 attributes #1 = { "disable-tail-calls"="true" "frame-pointer"="all" "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" }
99 attributes #2 = { noinline nounwind 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"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "use-sample-profile" }
100 attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
101 attributes #4 = { mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) }
104 !llvm.module.flags = !{!2, !3, !4, !5, !6}
106 !llvm.pseudo_probe_desc = !{!8, !9, !10}
108 !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 17.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: NoDebug, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)
109 !1 = !DIFile(filename: "file.c", directory: "/tmp/")
110 !2 = !{i32 2, !"Debug Info Version", i32 3}
111 !3 = !{i32 1, !"wchar_size", i32 4}
112 !4 = !{i32 7, !"uwtable", i32 2}
113 !5 = !{i32 7, !"frame-pointer", i32 2}
114 !6 = !{i32 1, !"EnableSplitLTOUnit", i32 0}
115 !7 = !{!"clang version 17.0.0"}
116 !8 = !{i64 6699318081062747564, i64 4294967295, !"foo"}
117 !9 = !{i64 7289175272376759421, i64 562954248388607, !"func"}
118 !10 = !{i64 -2624081020897602054, i64 281582081721716, !"main"}
119 !11 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 6, type: !12, scopeLine: 6, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
120 !12 = !DISubroutineType(types: !13)
122 !14 = !DILocation(line: 7, column: 4, scope: !11)
123 !15 = !{!16, !16, i64 0}
124 !16 = !{!"int", !17, i64 0}
125 !17 = !{!"omnipotent char", !18, i64 0}
126 !18 = !{!"Simple C/C++ TBAA"}
127 !19 = !DILocation(line: 8, column: 3, scope: !11)
128 !20 = distinct !DISubprogram(name: "func", scope: !1, file: !1, line: 11, type: !12, scopeLine: 12, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
129 !21 = !DILocation(line: 14, column: 12, scope: !20)
130 !22 = !DILocation(line: 14, column: 12, scope: !23)
131 !23 = !DILexicalBlockFile(scope: !20, file: !1, discriminator: 186646551)
132 !24 = !DILocation(line: 15, column: 11, scope: !25)
133 !25 = !DILexicalBlockFile(scope: !20, file: !1, discriminator: 119537695)
134 !26 = !DILocation(line: 15, column: 7, scope: !20)
135 !27 = !DILocation(line: 16, column: 1, scope: !20)
136 !28 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 18, type: !12, scopeLine: 18, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
137 !29 = !DILocation(line: 19, column: 11, scope: !28)
138 !30 = !DILocation(line: 19, column: 7, scope: !28)
139 !31 = !DILocation(line: 19, scope: !28)
140 !32 = !DILocation(line: 19, column: 18, scope: !33)
141 !33 = !DILexicalBlockFile(scope: !28, file: !1, discriminator: 0)
142 !34 = !DILocation(line: 19, column: 20, scope: !35)
143 !35 = !DILexicalBlockFile(scope: !28, file: !1, discriminator: 2)
144 !36 = !DILocation(line: 19, column: 3, scope: !35)
145 !37 = !DILocation(line: 0, scope: !28)
146 !38 = !DILocation(line: 21, column: 1, scope: !28)
147 !39 = !DILocation(line: 20, column: 5, scope: !28)
148 !40 = !DILocation(line: 20, column: 5, scope: !41)
149 !41 = !DILexicalBlockFile(scope: !28, file: !1, discriminator: 186646591)
150 !42 = !DILocation(line: 19, column: 36, scope: !33)
151 !43 = !DILocation(line: 19, column: 36, scope: !44)
152 !44 = !DILexicalBlockFile(scope: !28, file: !1, discriminator: 4)
153 !45 = !DILocation(line: 19, column: 3, scope: !44)
154 !46 = distinct !{!46, !47, !48, !49}
155 !47 = !DILocation(line: 19, column: 3, scope: !28)
156 !48 = !DILocation(line: 20, column: 10, scope: !28)
157 !49 = !{!"llvm.loop.mustprogress"}