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1; REQUIRES: asserts && x86-registered-target2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/pseudo-probe-stale-profile-toplev-func.prof --salvage-stale-profile --salvage-unused-profile -report-profile-staleness -S --debug-only=sample-profile,sample-profile-matcher,sample-profile-impl -pass-remarks=inline --min-call-count-for-cg-matching=0 --min-func-count-for-cg-matching=0 --load-func-profile-for-cg-matching 2>&1 | FileCheck %s -check-prefix=CHECK-TEXT3; RUN: llvm-profdata merge --sample %S/Inputs/pseudo-probe-stale-profile-toplev-func.prof -extbinary -o %t.extbinary4; RUN: opt < %s -passes=sample-profile -sample-profile-file=%t.extbinary --salvage-stale-profile --salvage-unused-profile -report-profile-staleness -S --debug-only=sample-profile,sample-profile-matcher,sample-profile-impl -pass-remarks=inline --min-call-count-for-cg-matching=0 --min-func-count-for-cg-matching=0 --load-func-profile-for-cg-matching 2>&1 | FileCheck %s -check-prefix=CHECK-EXTBIN5 6; CHECK-TEXT: Run stale profile matching for main7; CHECK-TEXT-NOT: Read top-level function foo for call-graph matching8; CHECK-TEXT: The checksums for foo_rename(IR) and foo(Profile) match.9; CHECK-TEXT: Function:foo_rename matches profile:foo10; CHECK-TEXT: Run stale profile matching for foo_rename11; CHECK-TEXT: (1/3) of functions' profile are matched and (2724522/3177413) of samples are reused by call graph matching.12 13; CHECK-TEXT: Processing Function main14; CHECK-TEXT: 5: call void @foo_rename(), !dbg ![[#]] - weight: 5115; CHECK-TEXT: Processing Function foo_rename16; CHECK-TEXT: 2: %call = call i32 @bar(i32 noundef %0), !dbg ![[#]] - weight: 45267417 18 19; CHECK-EXTBIN: Run stale profile matching for main20; CHECK-EXTBIN: Read top-level function foo for call-graph matching21; CHECK-EXTBIN: The checksums for foo_rename(IR) and foo(Profile) match.22; CHECK-EXTBIN: Function:foo_rename matches profile:foo23; CHECK-EXTBIN: Run stale profile matching for foo_rename24; CHECK-EXTBIN: (1/3) of functions' profile are matched and (2724522/3177413) of samples are reused by call graph matching.25 26; CHECK-EXTBIN: Processing Function main27; CHECK-EXTBIN: 5: call void @foo_rename(), !dbg ![[#]] - weight: 5128; CHECK-EXTBIN: Processing Function foo_rename29; CHECK-EXTBIN: 2: %call = call i32 @bar(i32 noundef %0), !dbg ![[#]] - weight: 45267430 31 32@x = dso_local global i32 0, align 4, !dbg !033 34; Function Attrs: noinline nounwind uwtable35define dso_local i32 @bar(i32 noundef %x) #0 !dbg !18 {36entry:37 #dbg_value(i32 %x, !22, !DIExpression(), !23)38 call void @llvm.pseudoprobe(i64 -2012135647395072713, i64 1, i32 0, i64 -1), !dbg !2439 %add = add nsw i32 %x, 1, !dbg !2540 ret i32 %add, !dbg !2641}42 43; Function Attrs: noinline nounwind uwtable44define dso_local void @foo_rename() #0 !dbg !27 {45entry:46 call void @llvm.pseudoprobe(i64 -2115950948644264162, i64 1, i32 0, i64 -1), !dbg !3047 %0 = load volatile i32, ptr @x, align 4, !dbg !30, !tbaa !3148 %call = call i32 @bar(i32 noundef %0), !dbg !3549 %1 = load volatile i32, ptr @x, align 4, !dbg !37, !tbaa !3150 %add = add nsw i32 %1, %call, !dbg !3751 store volatile i32 %add, ptr @x, align 4, !dbg !37, !tbaa !3152 ret void, !dbg !3853}54 55; Function Attrs: nounwind uwtable56define dso_local i32 @main() #1 !dbg !39 {57entry:58 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg !4559 #dbg_value(i32 0, !43, !DIExpression(), !46)60 br label %for.cond, !dbg !4761 62for.cond: ; preds = %for.body, %entry63 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ], !dbg !4864 #dbg_value(i32 %i.0, !43, !DIExpression(), !46)65 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg !4966 %cmp = icmp slt i32 %i.0, 100000, !dbg !5167 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !5268 69for.cond.cleanup: ; preds = %for.cond70 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg !5371 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 7, i32 0, i64 -1), !dbg !5472 ret i32 0, !dbg !5473 74for.body: ; preds = %for.cond75 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg !5576 call void @foo_rename(), !dbg !5777 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 6, i32 0, i64 -1), !dbg !5978 %inc = add nsw i32 %i.0, 1, !dbg !5979 #dbg_value(i32 %inc, !43, !DIExpression(), !46)80 br label %for.cond, !dbg !60, !llvm.loop !6181}82 83; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)84declare void @llvm.lifetime.start.p0(ptr nocapture) #285 86; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)87declare void @llvm.lifetime.end.p0(ptr nocapture) #288 89; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite)90declare void @llvm.pseudoprobe(i64, i64, i32, i64) #391 92attributes #0 = { noinline nounwind 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" "use-sample-profile" }93attributes #1 = { nounwind 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" "use-sample-profile" }94attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }95attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) }96 97!llvm.dbg.cu = !{!2}98!llvm.module.flags = !{!7, !8, !9, !10, !11, !12, !13}99!llvm.ident = !{!14}100!llvm.pseudo_probe_desc = !{!15, !16, !17}101 102!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())103!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true)104!2 = distinct !DICompileUnit(language: DW_LANG_C11, file: !3, producer: "clang version 20.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)105!3 = !DIFile(filename: "test_rename.c", directory: "/home", checksumkind: CSK_MD5, checksum: "11a33a83e4d190ebda0792d0610f0c67")106!4 = !{!0}107!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)108!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)109!7 = !{i32 7, !"Dwarf Version", i32 5}110!8 = !{i32 2, !"Debug Info Version", i32 3}111!9 = !{i32 1, !"wchar_size", i32 4}112!10 = !{i32 8, !"PIC Level", i32 2}113!11 = !{i32 7, !"PIE Level", i32 2}114!12 = !{i32 7, !"uwtable", i32 2}115!13 = !{i32 7, !"debug-info-assignment-tracking", i1 true}116!14 = !{!"clang version 20.0.0"}117!15 = !{i64 -2012135647395072713, i64 4294967295, !"bar"}118!16 = !{i64 -2115950948644264162, i64 281479271677951, !"foo_rename"}119!17 = !{i64 -2624081020897602054, i64 281582264815352, !"main"}120!18 = distinct !DISubprogram(name: "bar", scope: !3, file: !3, line: 3, type: !19, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !21)121!19 = !DISubroutineType(types: !20)122!20 = !{!6, !6}123!21 = !{!22}124!22 = !DILocalVariable(name: "x", arg: 1, scope: !18, file: !3, line: 3, type: !6)125!23 = !DILocation(line: 0, scope: !18)126!24 = !DILocation(line: 4, column: 10, scope: !18)127!25 = !DILocation(line: 4, column: 12, scope: !18)128!26 = !DILocation(line: 4, column: 3, scope: !18)129!27 = distinct !DISubprogram(name: "foo_rename", scope: !3, file: !3, line: 7, type: !28, scopeLine: 7, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)130!28 = !DISubroutineType(types: !29)131!29 = !{null}132!30 = !DILocation(line: 8, column: 15, scope: !27)133!31 = !{!32, !32, i64 0}134!32 = !{!"int", !33, i64 0}135!33 = !{!"omnipotent char", !34, i64 0}136!34 = !{!"Simple C/C++ TBAA"}137!35 = !DILocation(line: 8, column: 11, scope: !36)138!36 = !DILexicalBlockFile(scope: !27, file: !3, discriminator: 455082007)139!37 = !DILocation(line: 8, column: 8, scope: !27)140!38 = !DILocation(line: 9, column: 1, scope: !27)141!39 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 11, type: !40, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !42)142!40 = !DISubroutineType(types: !41)143!41 = !{!6}144!42 = !{!43}145!43 = !DILocalVariable(name: "i", scope: !44, file: !3, line: 12, type: !6)146!44 = distinct !DILexicalBlock(scope: !39, file: !3, line: 12, column: 3)147!45 = !DILocation(line: 12, column: 12, scope: !44)148!46 = !DILocation(line: 0, scope: !44)149!47 = !DILocation(line: 12, column: 8, scope: !44)150!48 = !DILocation(line: 12, scope: !44)151!49 = !DILocation(line: 12, column: 19, scope: !50)152!50 = distinct !DILexicalBlock(scope: !44, file: !3, line: 12, column: 3)153!51 = !DILocation(line: 12, column: 21, scope: !50)154!52 = !DILocation(line: 12, column: 3, scope: !44)155!53 = !DILocation(line: 0, scope: !39)156!54 = !DILocation(line: 15, column: 1, scope: !39)157!55 = !DILocation(line: 13, column: 7, scope: !56)158!56 = distinct !DILexicalBlock(scope: !50, file: !3, line: 12, column: 40)159!57 = !DILocation(line: 13, column: 7, scope: !58)160!58 = !DILexicalBlockFile(scope: !56, file: !3, discriminator: 455082031)161!59 = !DILocation(line: 12, column: 36, scope: !50)162!60 = !DILocation(line: 12, column: 3, scope: !50)163!61 = distinct !{!61, !52, !62, !63}164!62 = !DILocation(line: 14, column: 3, scope: !44)165!63 = !{!"llvm.loop.mustprogress"}166