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1; REQUIRES: x86_64-linux2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/pseudo-probe-profile-mismatch.prof --salvage-unused-profile=false -report-profile-staleness -persist-profile-staleness -S 2>%t -o %t.ll3; RUN: FileCheck %s --input-file %t4; RUN: FileCheck %s --input-file %t.ll -check-prefix=CHECK-MD5; RUN: llc < %t.ll -filetype=obj -o %t.obj6; RUN: llvm-objdump --section-headers %t.obj | FileCheck %s --check-prefix=CHECK-OBJ7; RUN: llc < %t.ll -filetype=asm -o - | FileCheck %s --check-prefix=CHECK-ASM8 9; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/pseudo-probe-profile-mismatch-nested.prof --salvage-unused-profile=false -report-profile-staleness -persist-profile-staleness -S 2>&1 | FileCheck %s --check-prefix=CHECK-NESTED10 11 12; CHECK: (2/3) of functions' profile are invalid and (40/50) of samples are discarded due to function hash mismatch.13; CHECK: (2/3) of callsites' profile are invalid and (20/50) of samples are discarded due to callsite location mismatch.14; CHECK: (1/2) of callsites and (10/20) of samples are recovered by stale profile matching.15 16; CHECK-MD: ![[#]] = !{!"NumStaleProfileFunc", i64 2, !"TotalProfiledFunc", i64 3, !"MismatchedFunctionSamples", i64 40, !"TotalFunctionSamples", i64 50, !"NumMismatchedCallsites", i64 1, !"NumRecoveredCallsites", i64 1, !"TotalProfiledCallsites", i64 3, !"MismatchedCallsiteSamples", i64 10, !"RecoveredCallsiteSamples", i64 10}17 18 19; CHECK-OBJ: .llvm_stats20 21; CHECK-ASM: .section .llvm_stats,"",@progbits22; CHECK-ASM: .byte 1923; CHECK-ASM: .ascii "NumStaleProfileFunc"24; CHECK-ASM: .byte 425; CHECK-ASM: .ascii "Mg=="26; CHECK-ASM: .byte 1727; CHECK-ASM: .ascii "TotalProfiledFunc"28; CHECK-ASM: .byte 429; CHECK-ASM: .ascii "Mw=="30; CHECK-ASM: .byte 2531; CHECK-ASM: .ascii "MismatchedFunctionSamples"32; CHECK-ASM: .byte 433; CHECK-ASM: .ascii "NDA="34; CHECK-ASM: .byte 2035; CHECK-ASM: .ascii "TotalFunctionSamples"36; CHECK-ASM: .byte 437; CHECK-ASM: .ascii "NTA="38; CHECK-ASM: .byte 2239; CHECK-ASM: .ascii "NumMismatchedCallsites"40; CHECK-ASM: .byte 441; CHECK-ASM: .ascii "MQ=="42; CHECK-ASM: .byte 2143; CHECK-ASM: .ascii "NumRecoveredCallsites"44; CHECK-ASM: .byte 445; CHECK-ASM: .ascii "MQ=="46; CHECK-ASM: .byte 2247; CHECK-ASM: .ascii "TotalProfiledCallsites"48; CHECK-ASM: .byte 449; CHECK-ASM: .ascii "Mw=="50; CHECK-ASM: .byte 2551; CHECK-ASM: .ascii "MismatchedCallsiteSamples"52; CHECK-ASM: .byte 453; CHECK-ASM: .ascii "MTA="54; CHECK-ASM: .byte 2455; CHECK-ASM: .ascii "RecoveredCallsiteSamples"56; CHECK-ASM: .byte 457; CHECK-ASM: .ascii "MTA="58 59 60; CHECK-NESTED: (1/2) of functions' profile are invalid and (211/311) of samples are discarded due to function hash mismatch.61 62 63target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"64target triple = "x86_64-unknown-linux-gnu"65 66@x = dso_local global i32 0, align 4, !dbg !067 68; Function Attrs: nounwind uwtable69define dso_local i32 @foo(i32 noundef %x) #0 !dbg !16 {70entry:71 %y = alloca i32, align 472 call void @llvm.dbg.value(metadata i32 %x, metadata !20, metadata !DIExpression()), !dbg !2273 call void @llvm.lifetime.start.p0(ptr nonnull %y), !dbg !2374 call void @llvm.dbg.declare(metadata ptr %y, metadata !21, metadata !DIExpression()), !dbg !2475 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1), !dbg !2576 %add = add nsw i32 %x, 1, !dbg !2677 store volatile i32 %add, ptr %y, align 4, !dbg !24, !tbaa !2778 %y.0. = load volatile i32, ptr %y, align 4, !dbg !31, !tbaa !2779 %add1 = add nsw i32 %y.0., 1, !dbg !3280 call void @llvm.lifetime.end.p0(ptr nonnull %y), !dbg !3381 ret i32 %add1, !dbg !3482}83 84; Function Attrs: mustprogress nocallback nofree nosync nounwind readnone speculatable willreturn85declare void @llvm.dbg.declare(metadata, metadata, metadata) #186 87; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn88declare void @llvm.lifetime.start.p0(ptr nocapture) #289 90; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn91declare void @llvm.lifetime.end.p0(ptr nocapture) #292 93; Function Attrs: noinline nounwind uwtable94define dso_local i32 @bar(i32 noundef %x) #3 !dbg !35 {95entry:96 call void @llvm.dbg.value(metadata i32 %x, metadata !37, metadata !DIExpression()), !dbg !3897 call void @llvm.pseudoprobe(i64 -2012135647395072713, i64 1, i32 0, i64 -1), !dbg !3998 %add = add nsw i32 %x, 2, !dbg !4099 ret i32 %add, !dbg !41100}101 102; Function Attrs: noinline nounwind uwtable103define dso_local i32 @matched(i32 noundef %x) #3 !dbg !42 {104entry:105 call void @llvm.dbg.value(metadata i32 %x, metadata !44, metadata !DIExpression()), !dbg !45106 call void @llvm.pseudoprobe(i64 -5844448289301669773, i64 1, i32 0, i64 -1), !dbg !46107 %add = add nsw i32 %x, 3, !dbg !47108 ret i32 %add, !dbg !48109}110 111; Function Attrs: nounwind uwtable112define dso_local i32 @main() #0 !dbg !49 {113entry:114 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg !59115 call void @llvm.dbg.value(metadata i32 0, metadata !53, metadata !DIExpression()), !dbg !60116 br label %for.cond, !dbg !61117 118for.cond: ; preds = %for.cond.cleanup3, %entry119 %i.0 = phi i32 [ 0, %entry ], [ %inc8, %for.cond.cleanup3 ], !dbg !60120 call void @llvm.dbg.value(metadata i32 %i.0, metadata !53, metadata !DIExpression()), !dbg !60121 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg !62122 %cmp = icmp ult i32 %i.0, 1000, !dbg !64123 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !65124 125for.cond.cleanup: ; preds = %for.cond126 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg !67127 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 11, i32 0, i64 -1), !dbg !68128 ret i32 0, !dbg !68129 130for.body: ; preds = %for.cond131 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg !69132 call void @llvm.dbg.value(metadata i32 0, metadata !55, metadata !DIExpression()), !dbg !70133 br label %for.cond1, !dbg !71134 135for.cond1: ; preds = %for.body4, %for.body136 %a.0 = phi i32 [ 0, %for.body ], [ %inc, %for.body4 ], !dbg !70137 call void @llvm.dbg.value(metadata i32 %a.0, metadata !55, metadata !DIExpression()), !dbg !70138 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 5, i32 0, i64 -1), !dbg !72139 %cmp2 = icmp ult i32 %a.0, 10000, !dbg !75140 br i1 %cmp2, label %for.body4, label %for.cond.cleanup3, !dbg !76141 142for.cond.cleanup3: ; preds = %for.cond1143 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 6, i32 0, i64 -1), !dbg !67144 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 9, i32 0, i64 -1), !dbg !78145 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 10, i32 0, i64 -1), !dbg !79146 %inc8 = add nuw nsw i32 %i.0, 1, !dbg !79147 call void @llvm.dbg.value(metadata i32 %inc8, metadata !53, metadata !DIExpression()), !dbg !60148 br label %for.cond, !dbg !81, !llvm.loop !82149 150for.body4: ; preds = %for.cond1151 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 7, i32 0, i64 -1), !dbg !86152 %0 = load volatile i32, ptr @x, align 4, !dbg !86, !tbaa !27153 %call = call i32 @matched(i32 noundef %0), !dbg !88154 store volatile i32 %call, ptr @x, align 4, !dbg !90, !tbaa !27155 %1 = load volatile i32, ptr @x, align 4, !dbg !91, !tbaa !27156 %call5 = call i32 @foo(i32 noundef %1), !dbg !92157 store volatile i32 %call5, ptr @x, align 4, !dbg !94, !tbaa !27158 %2 = load volatile i32, ptr @x, align 4, !dbg !95, !tbaa !27159 %call6 = call i32 @bar(i32 noundef %2), !dbg !96160 store volatile i32 %call6, ptr @x, align 4, !dbg !98, !tbaa !27161 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 8, i32 0, i64 -1), !dbg !99162 %inc = add nuw nsw i32 %a.0, 1, !dbg !99163 call void @llvm.dbg.value(metadata i32 %inc, metadata !55, metadata !DIExpression()), !dbg !70164 br label %for.cond1, !dbg !101, !llvm.loop !102165}166 167; Function Attrs: inaccessiblememonly mustprogress nocallback nofree nosync nounwind willreturn168declare void @llvm.pseudoprobe(i64, i64, i32, i64) #4169 170; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn171declare void @llvm.dbg.value(metadata, metadata, metadata) #5172 173attributes #0 = { nounwind uwtable "frame-pointer"="none" "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" "use-sample-profile" }174attributes #1 = { mustprogress nocallback nofree nosync nounwind readnone speculatable willreturn }175attributes #2 = { argmemonly mustprogress nocallback nofree nosync nounwind willreturn }176attributes #3 = { noinline nounwind uwtable "frame-pointer"="none" "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" "use-sample-profile" }177attributes #4 = { inaccessiblememonly mustprogress nocallback nofree nosync nounwind willreturn }178attributes #5 = { nocallback nofree nosync nounwind readnone speculatable willreturn }179 180!llvm.dbg.cu = !{!2}181!llvm.module.flags = !{!7, !8, !9, !10}182!llvm.ident = !{!11}183!llvm.pseudo_probe_desc = !{!12, !13, !14, !15}184 185!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())186!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true)187!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)188!3 = !DIFile(filename: "test.c", directory: "")189!4 = !{!0}190!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)191!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)192!7 = !{i32 7, !"Dwarf Version", i32 5}193!8 = !{i32 2, !"Debug Info Version", i32 3}194!9 = !{i32 1, !"wchar_size", i32 4}195!10 = !{i32 7, !"uwtable", i32 2}196!11 = !{!""}197!12 = !{i64 6699318081062747564, i64 4294967295, !"foo"}198!13 = !{i64 -2012135647395072713, i64 4294967295, !"bar"}199!14 = !{i64 -5844448289301669773, i64 4294967295, !"matched"}200!15 = !{i64 -2624081020897602054, i64 844635331715433, !"main"}201!16 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 2, type: !17, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !19)202!17 = !DISubroutineType(types: !18)203!18 = !{!6, !6}204!19 = !{!20, !21}205!20 = !DILocalVariable(name: "x", arg: 1, scope: !16, file: !3, line: 2, type: !6)206!21 = !DILocalVariable(name: "y", scope: !16, file: !3, line: 3, type: !5)207!22 = !DILocation(line: 0, scope: !16)208!23 = !DILocation(line: 3, column: 3, scope: !16)209!24 = !DILocation(line: 3, column: 16, scope: !16)210!25 = !DILocation(line: 3, column: 20, scope: !16)211!26 = !DILocation(line: 3, column: 22, scope: !16)212!27 = !{!28, !28, i64 0}213!28 = !{!"int", !29, i64 0}214!29 = !{!"omnipotent char", !30, i64 0}215!30 = !{!"Simple C/C++ TBAA"}216!31 = !DILocation(line: 4, column: 10, scope: !16)217!32 = !DILocation(line: 4, column: 12, scope: !16)218!33 = !DILocation(line: 5, column: 1, scope: !16)219!34 = !DILocation(line: 4, column: 3, scope: !16)220!35 = distinct !DISubprogram(name: "bar", scope: !3, file: !3, line: 7, type: !17, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !36)221!36 = !{!37}222!37 = !DILocalVariable(name: "x", arg: 1, scope: !35, file: !3, line: 7, type: !6)223!38 = !DILocation(line: 0, scope: !35)224!39 = !DILocation(line: 8, column: 10, scope: !35)225!40 = !DILocation(line: 8, column: 12, scope: !35)226!41 = !DILocation(line: 8, column: 3, scope: !35)227!42 = distinct !DISubprogram(name: "matched", scope: !3, file: !3, line: 11, type: !17, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !43)228!43 = !{!44}229!44 = !DILocalVariable(name: "x", arg: 1, scope: !42, file: !3, line: 11, type: !6)230!45 = !DILocation(line: 0, scope: !42)231!46 = !DILocation(line: 12, column: 10, scope: !42)232!47 = !DILocation(line: 12, column: 12, scope: !42)233!48 = !DILocation(line: 12, column: 3, scope: !42)234!49 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 15, type: !50, scopeLine: 15, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !52)235!50 = !DISubroutineType(types: !51)236!51 = !{!6}237!52 = !{!53, !55}238!53 = !DILocalVariable(name: "i", scope: !54, file: !3, line: 16, type: !6)239!54 = distinct !DILexicalBlock(scope: !49, file: !3, line: 16, column: 3)240!55 = !DILocalVariable(name: "a", scope: !56, file: !3, line: 17, type: !6)241!56 = distinct !DILexicalBlock(scope: !57, file: !3, line: 17, column: 5)242!57 = distinct !DILexicalBlock(scope: !58, file: !3, line: 16, column: 34)243!58 = distinct !DILexicalBlock(scope: !54, file: !3, line: 16, column: 3)244!59 = !DILocation(line: 16, column: 12, scope: !54)245!60 = !DILocation(line: 0, scope: !54)246!61 = !DILocation(line: 16, column: 8, scope: !54)247!62 = !DILocation(line: 16, column: 19, scope: !63)248!63 = !DILexicalBlockFile(scope: !58, file: !3, discriminator: 0)249!64 = !DILocation(line: 16, column: 21, scope: !63)250!65 = !DILocation(line: 16, column: 3, scope: !66)251!66 = !DILexicalBlockFile(scope: !54, file: !3, discriminator: 0)252!67 = !DILocation(line: 0, scope: !49)253!68 = !DILocation(line: 23, column: 1, scope: !49)254!69 = !DILocation(line: 17, column: 14, scope: !56)255!70 = !DILocation(line: 0, scope: !56)256!71 = !DILocation(line: 17, column: 10, scope: !56)257!72 = !DILocation(line: 17, column: 21, scope: !73)258!73 = !DILexicalBlockFile(scope: !74, file: !3, discriminator: 0)259!74 = distinct !DILexicalBlock(scope: !56, file: !3, line: 17, column: 5)260!75 = !DILocation(line: 17, column: 23, scope: !73)261!76 = !DILocation(line: 17, column: 5, scope: !77)262!77 = !DILexicalBlockFile(scope: !56, file: !3, discriminator: 0)263!78 = !DILocation(line: 22, column: 3, scope: !57)264!79 = !DILocation(line: 16, column: 30, scope: !80)265!80 = !DILexicalBlockFile(scope: !58, file: !3, discriminator: 0)266!81 = !DILocation(line: 16, column: 3, scope: !80)267!82 = distinct !{!82, !83, !84, !85}268!83 = !DILocation(line: 16, column: 3, scope: !54)269!84 = !DILocation(line: 22, column: 3, scope: !54)270!85 = !{!"llvm.loop.mustprogress"}271!86 = !DILocation(line: 18, column: 19, scope: !87)272!87 = distinct !DILexicalBlock(scope: !74, file: !3, line: 17, column: 37)273!88 = !DILocation(line: 18, column: 11, scope: !89)274!89 = !DILexicalBlockFile(scope: !87, file: !3, discriminator: 186646631)275!90 = !DILocation(line: 18, column: 9, scope: !87)276!91 = !DILocation(line: 19, column: 15, scope: !87)277!92 = !DILocation(line: 19, column: 11, scope: !93)278!93 = !DILexicalBlockFile(scope: !87, file: !3, discriminator: 186646639)279!94 = !DILocation(line: 19, column: 9, scope: !87)280!95 = !DILocation(line: 20, column: 15, scope: !87)281!96 = !DILocation(line: 20, column: 11, scope: !97)282!97 = !DILexicalBlockFile(scope: !87, file: !3, discriminator: 186646647)283!98 = !DILocation(line: 20, column: 9, scope: !87)284!99 = !DILocation(line: 17, column: 33, scope: !100)285!100 = !DILexicalBlockFile(scope: !74, file: !3, discriminator: 0)286!101 = !DILocation(line: 17, column: 5, scope: !100)287!102 = distinct !{!102, !103, !104, !85}288!103 = !DILocation(line: 17, column: 5, scope: !56)289!104 = !DILocation(line: 21, column: 5, scope: !56)290