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1; REQUIRES: x86_64-linux2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/profile-mismatch.prof -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; CHECK: (1/3) of callsites' profile are invalid and (15/50) of samples are discarded due to callsite location mismatch.10 11; CHECK-MD: ![[#]] = !{!"NumMismatchedCallsites", i64 1, !"NumRecoveredCallsites", i64 0, !"TotalProfiledCallsites", i64 3, !"MismatchedCallsiteSamples", i64 15, !"RecoveredCallsiteSamples", i64 0}12 13; CHECK-OBJ: .llvm_stats14 15; CHECK-ASM: .ascii "NumMismatchedCallsites"16; CHECK-ASM: .byte 417; CHECK-ASM: .ascii "MQ=="18; CHECK-ASM: .byte 2119; CHECK-ASM: .ascii "NumRecoveredCallsites"20; CHECK-ASM: .byte 421; CHECK-ASM: .ascii "MA=="22; CHECK-ASM: .byte 2223; CHECK-ASM: .ascii "TotalProfiledCallsites"24; CHECK-ASM: .byte 425; CHECK-ASM: .ascii "Mw=="26; CHECK-ASM: .byte 2527; CHECK-ASM: .ascii "MismatchedCallsiteSamples"28; CHECK-ASM: .byte 429; CHECK-ASM: .ascii "MTU="30; CHECK-ASM: .byte 2431; CHECK-ASM: .ascii "RecoveredCallsiteSamples"32; CHECK-ASM: .byte 433; CHECK-ASM: .ascii "MA=="34 35 36target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"37target triple = "x86_64-unknown-linux-gnu"38 39@x = dso_local global i32 0, align 4, !dbg !040 41; Function Attrs: nounwind uwtable42define dso_local i32 @foo(i32 noundef %x) #0 !dbg !12 {43entry:44 %y = alloca i32, align 445 call void @llvm.dbg.value(metadata i32 %x, metadata !16, metadata !DIExpression()), !dbg !1846 call void @llvm.lifetime.start.p0(ptr nonnull %y), !dbg !1947 call void @llvm.dbg.declare(metadata ptr %y, metadata !17, metadata !DIExpression()), !dbg !2048 %add = add nsw i32 %x, 1, !dbg !2149 store volatile i32 %add, ptr %y, align 4, !dbg !20, !tbaa !2250 %y.0. = load volatile i32, ptr %y, align 4, !dbg !26, !tbaa !2251 %add1 = add nsw i32 %y.0., 1, !dbg !2752 call void @llvm.lifetime.end.p0(ptr nonnull %y), !dbg !2853 ret i32 %add1, !dbg !2954}55 56; Function Attrs: mustprogress nocallback nofree nosync nounwind readnone speculatable willreturn57declare void @llvm.dbg.declare(metadata, metadata, metadata) #158 59; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn60declare void @llvm.lifetime.start.p0(ptr nocapture) #261 62; Function Attrs: argmemonly mustprogress nocallback nofree nosync nounwind willreturn63declare void @llvm.lifetime.end.p0(ptr nocapture) #264 65; Function Attrs: noinline nounwind uwtable66define dso_local i32 @bar(i32 noundef %x) #3 !dbg !30 {67entry:68 call void @llvm.dbg.value(metadata i32 %x, metadata !32, metadata !DIExpression()), !dbg !3369 %add = add nsw i32 %x, 2, !dbg !3470 ret i32 %add, !dbg !3571}72 73; Function Attrs: noinline nounwind uwtable74define dso_local i32 @matched(i32 noundef %x) #3 !dbg !36 {75entry:76 call void @llvm.dbg.value(metadata i32 %x, metadata !38, metadata !DIExpression()), !dbg !3977 %add = add nsw i32 %x, 3, !dbg !4078 ret i32 %add, !dbg !4179}80 81; Function Attrs: nounwind uwtable82define dso_local i32 @main() #0 !dbg !42 {83entry:84 call void @llvm.dbg.value(metadata i32 0, metadata !46, metadata !DIExpression()), !dbg !5285 br label %for.cond, !dbg !5386 87for.cond: ; preds = %for.cond.cleanup3, %entry88 %i.0 = phi i32 [ 0, %entry ], [ %inc8, %for.cond.cleanup3 ], !dbg !5289 call void @llvm.dbg.value(metadata i32 %i.0, metadata !46, metadata !DIExpression()), !dbg !5290 %cmp = icmp ult i32 %i.0, 1000, !dbg !5491 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !5692 93for.cond.cleanup: ; preds = %for.cond94 ret i32 0, !dbg !5895 96for.body: ; preds = %for.cond97 call void @llvm.dbg.value(metadata i32 0, metadata !48, metadata !DIExpression()), !dbg !5998 br label %for.cond1, !dbg !6099 100for.cond1: ; preds = %for.body4, %for.body101 %a.0 = phi i32 [ 0, %for.body ], [ %inc, %for.body4 ], !dbg !59102 call void @llvm.dbg.value(metadata i32 %a.0, metadata !48, metadata !DIExpression()), !dbg !59103 %cmp2 = icmp ult i32 %a.0, 10000, !dbg !61104 br i1 %cmp2, label %for.body4, label %for.cond.cleanup3, !dbg !64105 106for.cond.cleanup3: ; preds = %for.cond1107 %inc8 = add nuw nsw i32 %i.0, 1, !dbg !66108 call void @llvm.dbg.value(metadata i32 %inc8, metadata !46, metadata !DIExpression()), !dbg !52109 br label %for.cond, !dbg !68, !llvm.loop !69110 111for.body4: ; preds = %for.cond1112 %0 = load volatile i32, ptr @x, align 4, !dbg !73, !tbaa !22113 %call = call i32 @matched(i32 noundef %0), !dbg !75114 store volatile i32 %call, ptr @x, align 4, !dbg !76, !tbaa !22115 %1 = load volatile i32, ptr @x, align 4, !dbg !77, !tbaa !22116 %call5 = call i32 @foo(i32 noundef %1), !dbg !78117 store volatile i32 %call5, ptr @x, align 4, !dbg !79, !tbaa !22118 %2 = load volatile i32, ptr @x, align 4, !dbg !80, !tbaa !22119 %call6 = call i32 @bar(i32 noundef %2), !dbg !81120 store volatile i32 %call6, ptr @x, align 4, !dbg !82, !tbaa !22121 %inc = add nuw nsw i32 %a.0, 1, !dbg !83122 call void @llvm.dbg.value(metadata i32 %inc, metadata !48, metadata !DIExpression()), !dbg !59123 br label %for.cond1, !dbg !85, !llvm.loop !86124}125 126; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn127declare void @llvm.dbg.value(metadata, metadata, metadata) #4128 129attributes #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" }130attributes #1 = { mustprogress nocallback nofree nosync nounwind readnone speculatable willreturn }131attributes #2 = { argmemonly mustprogress nocallback nofree nosync nounwind willreturn }132attributes #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" }133attributes #4 = { nocallback nofree nosync nounwind readnone speculatable willreturn }134 135!llvm.dbg.cu = !{!2}136!llvm.module.flags = !{!7, !8, !9, !10}137!llvm.ident = !{!11}138 139!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())140!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true)141!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)142!3 = !DIFile(filename: "test.c", directory: "test")143!4 = !{!0}144!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6)145!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)146!7 = !{i32 7, !"Dwarf Version", i32 5}147!8 = !{i32 2, !"Debug Info Version", i32 3}148!9 = !{i32 1, !"wchar_size", i32 4}149!10 = !{i32 7, !"uwtable", i32 2}150!11 = !{!""}151!12 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 2, type: !13, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !15)152!13 = !DISubroutineType(types: !14)153!14 = !{!6, !6}154!15 = !{!16, !17}155!16 = !DILocalVariable(name: "x", arg: 1, scope: !12, file: !3, line: 2, type: !6)156!17 = !DILocalVariable(name: "y", scope: !12, file: !3, line: 3, type: !5)157!18 = !DILocation(line: 0, scope: !12)158!19 = !DILocation(line: 3, column: 3, scope: !12)159!20 = !DILocation(line: 3, column: 16, scope: !12)160!21 = !DILocation(line: 3, column: 22, scope: !12)161!22 = !{!23, !23, i64 0}162!23 = !{!"int", !24, i64 0}163!24 = !{!"omnipotent char", !25, i64 0}164!25 = !{!"Simple C/C++ TBAA"}165!26 = !DILocation(line: 4, column: 10, scope: !12)166!27 = !DILocation(line: 4, column: 12, scope: !12)167!28 = !DILocation(line: 5, column: 1, scope: !12)168!29 = !DILocation(line: 4, column: 3, scope: !12)169!30 = distinct !DISubprogram(name: "bar", scope: !3, file: !3, line: 7, type: !13, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !31)170!31 = !{!32}171!32 = !DILocalVariable(name: "x", arg: 1, scope: !30, file: !3, line: 7, type: !6)172!33 = !DILocation(line: 0, scope: !30)173!34 = !DILocation(line: 8, column: 12, scope: !30)174!35 = !DILocation(line: 8, column: 3, scope: !30)175!36 = distinct !DISubprogram(name: "matched", scope: !3, file: !3, line: 11, type: !13, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !37)176!37 = !{!38}177!38 = !DILocalVariable(name: "x", arg: 1, scope: !36, file: !3, line: 11, type: !6)178!39 = !DILocation(line: 0, scope: !36)179!40 = !DILocation(line: 12, column: 12, scope: !36)180!41 = !DILocation(line: 12, column: 3, scope: !36)181!42 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 15, type: !43, scopeLine: 15, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !45)182!43 = !DISubroutineType(types: !44)183!44 = !{!6}184!45 = !{!46, !48}185!46 = !DILocalVariable(name: "i", scope: !47, file: !3, line: 16, type: !6)186!47 = distinct !DILexicalBlock(scope: !42, file: !3, line: 16, column: 3)187!48 = !DILocalVariable(name: "a", scope: !49, file: !3, line: 17, type: !6)188!49 = distinct !DILexicalBlock(scope: !50, file: !3, line: 17, column: 5)189!50 = distinct !DILexicalBlock(scope: !51, file: !3, line: 16, column: 34)190!51 = distinct !DILexicalBlock(scope: !47, file: !3, line: 16, column: 3)191!52 = !DILocation(line: 0, scope: !47)192!53 = !DILocation(line: 16, column: 8, scope: !47)193!54 = !DILocation(line: 16, column: 21, scope: !55)194!55 = !DILexicalBlockFile(scope: !51, file: !3, discriminator: 2)195!56 = !DILocation(line: 16, column: 3, scope: !57)196!57 = !DILexicalBlockFile(scope: !47, file: !3, discriminator: 2)197!58 = !DILocation(line: 23, column: 1, scope: !42)198!59 = !DILocation(line: 0, scope: !49)199!60 = !DILocation(line: 17, column: 10, scope: !49)200!61 = !DILocation(line: 17, column: 23, scope: !62)201!62 = !DILexicalBlockFile(scope: !63, file: !3, discriminator: 2)202!63 = distinct !DILexicalBlock(scope: !49, file: !3, line: 17, column: 5)203!64 = !DILocation(line: 17, column: 5, scope: !65)204!65 = !DILexicalBlockFile(scope: !49, file: !3, discriminator: 2)205!66 = !DILocation(line: 16, column: 30, scope: !67)206!67 = !DILexicalBlockFile(scope: !51, file: !3, discriminator: 4)207!68 = !DILocation(line: 16, column: 3, scope: !67)208!69 = distinct !{!69, !70, !71, !72}209!70 = !DILocation(line: 16, column: 3, scope: !47)210!71 = !DILocation(line: 22, column: 3, scope: !47)211!72 = !{!"llvm.loop.mustprogress"}212!73 = !DILocation(line: 18, column: 19, scope: !74)213!74 = distinct !DILexicalBlock(scope: !63, file: !3, line: 17, column: 37)214!75 = !DILocation(line: 18, column: 11, scope: !74)215!76 = !DILocation(line: 18, column: 9, scope: !74)216!77 = !DILocation(line: 19, column: 15, scope: !74)217!78 = !DILocation(line: 19, column: 11, scope: !74)218!79 = !DILocation(line: 19, column: 9, scope: !74)219!80 = !DILocation(line: 20, column: 15, scope: !74)220!81 = !DILocation(line: 20, column: 11, scope: !74)221!82 = !DILocation(line: 20, column: 9, scope: !74)222!83 = !DILocation(line: 17, column: 33, scope: !84)223!84 = !DILexicalBlockFile(scope: !63, file: !3, discriminator: 4)224!85 = !DILocation(line: 17, column: 5, scope: !84)225!86 = distinct !{!86, !87, !88, !72}226!87 = !DILocation(line: 17, column: 5, scope: !49)227!88 = !DILocation(line: 21, column: 5, scope: !49)228