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1; Test for CSSPGO's profile summary computation with and without pre-merging context profiles2 3; RUN: opt < %s -passes=sample-profile,print-profile-summary -sample-profile-use-profi=0 -sample-profile-file=%S/Inputs/profile-context-tracker.prof -profile-summary-cutoff-hot=999900 -profile-sample-accurate -profile-summary-contextless=0 -S -o /dev/null 2>&1 | FileCheck %s --check-prefix=SUMMARY-UNMERGED4; RUN: opt < %s -passes=sample-profile,print-profile-summary -sample-profile-use-profi=0 -sample-profile-file=%S/Inputs/profile-context-tracker.prof -profile-summary-cutoff-hot=999900 -profile-sample-accurate -profile-summary-contextless=1 -S -o /dev/null 2>&1 | FileCheck %s --check-prefix=SUMMARY-MERGED5 6; SUMMARY-UNMERGED: main :hot entry7; SUMMARY-MERGED-NOT: main :hot entry8 9 10@factor = dso_local global i32 3, align 4, !dbg !011 12define dso_local i32 @main() local_unnamed_addr #0 !dbg !18 {13entry:14 br label %for.body, !dbg !2515 16for.cond.cleanup: ; preds = %for.body17 ret i32 %add3, !dbg !2718 19for.body: ; preds = %for.body, %entry20 %x.011 = phi i32 [ 300000, %entry ], [ %dec, %for.body ]21 %r.010 = phi i32 [ 0, %entry ], [ %add3, %for.body ]22 %call = tail call i32 @_Z5funcBi(i32 %x.011), !dbg !3223 %add = add nuw nsw i32 %x.011, 1, !dbg !3124 %call1 = tail call i32 @_Z5funcAi(i32 %add), !dbg !2825 %add2 = add i32 %call, %r.010, !dbg !3426 %add3 = add i32 %add2, %call1, !dbg !3527 %dec = add nsw i32 %x.011, -1, !dbg !3628 %cmp = icmp eq i32 %x.011, 0, !dbg !3829 br i1 %cmp, label %for.cond.cleanup, label %for.body, !dbg !2530}31 32define dso_local i32 @_Z5funcAi(i32 %x) local_unnamed_addr #1 !dbg !40 {33entry:34 %add = add nsw i32 %x, 100000, !dbg !4435 %call = tail call i32 @_Z8funcLeafi(i32 %add), !dbg !4536 ret i32 %call, !dbg !4637}38 39define dso_local i32 @_Z8funcLeafi(i32 %x) local_unnamed_addr #1 !dbg !54 {40entry:41 %cmp = icmp sgt i32 %x, 0, !dbg !5742 br i1 %cmp, label %while.body, label %while.cond2.preheader, !dbg !5943 44while.cond2.preheader: ; preds = %entry45 %cmp313 = icmp slt i32 %x, 0, !dbg !6046 br i1 %cmp313, label %while.body4, label %if.end, !dbg !6347 48while.body: ; preds = %while.body, %entry49 %x.addr.016 = phi i32 [ %sub, %while.body ], [ %x, %entry ]50 %tmp = load volatile i32, ptr @factor, align 4, !dbg !6451 %call = tail call i32 @_Z3fibi(i32 %tmp), !dbg !6752 %sub = sub nsw i32 %x.addr.016, %call, !dbg !6853 %cmp1 = icmp sgt i32 %sub, 0, !dbg !6954 br i1 %cmp1, label %while.body, label %if.end, !dbg !7155 56while.body4: ; preds = %while.body4, %while.cond2.preheader57 %x.addr.114 = phi i32 [ %add, %while.body4 ], [ %x, %while.cond2.preheader ]58 %tmp1 = load volatile i32, ptr @factor, align 4, !dbg !7259 %call5 = tail call i32 @_Z3fibi(i32 %tmp1), !dbg !7460 %add = add nsw i32 %call5, %x.addr.114, !dbg !7561 %cmp3 = icmp slt i32 %add, 0, !dbg !6062 br i1 %cmp3, label %while.body4, label %if.end, !dbg !6363 64if.end: ; preds = %while.body4, %while.body, %while.cond2.preheader65 %x.addr.2 = phi i32 [ 0, %while.cond2.preheader ], [ %sub, %while.body ], [ %add, %while.body4 ]66 ret i32 %x.addr.2, !dbg !7667}68 69define dso_local i32 @_Z5funcBi(i32 %x) local_unnamed_addr #0 !dbg !47 {70entry:71 %sub = add nsw i32 %x, -100000, !dbg !5172 %call = tail call i32 @_Z8funcLeafi(i32 %sub), !dbg !5273 ret i32 %call, !dbg !5374}75 76declare i32 @_Z3fibi(i32)77 78attributes #0 = { nofree noinline norecurse nounwind uwtable "use-sample-profile" }79attributes #1 = { nofree norecurse nounwind uwtable "use-sample-profile" }80 81!llvm.dbg.cu = !{!2}82!llvm.module.flags = !{!14, !15, !16}83!llvm.ident = !{!17}84 85!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())86!1 = distinct !DIGlobalVariable(name: "factor", scope: !2, file: !3, line: 21, type: !13, isLocal: false, isDefinition: true)87!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !5, globals: !12, splitDebugInlining: false, debugInfoForProfiling: true, nameTableKind: None)88!3 = !DIFile(filename: "merged.cpp", directory: "/local/autofdo")89!4 = !{}90!5 = !{!6, !10, !11}91!6 = !DISubprogram(name: "funcA", linkageName: "_Z5funcAi", scope: !3, file: !3, line: 6, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)92!7 = !DISubroutineType(types: !8)93!8 = !{!9, !9}94!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)95!10 = !DISubprogram(name: "funcB", linkageName: "_Z5funcBi", scope: !3, file: !3, line: 7, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)96!11 = !DISubprogram(name: "funcLeaf", linkageName: "_Z8funcLeafi", scope: !3, file: !3, line: 22, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)97!12 = !{!0}98!13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !9)99!14 = !{i32 7, !"Dwarf Version", i32 4}100!15 = !{i32 2, !"Debug Info Version", i32 3}101!16 = !{i32 1, !"wchar_size", i32 4}102!17 = !{!"clang version 11.0.0"}103!18 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 11, type: !19, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !21)104!19 = !DISubroutineType(types: !20)105!20 = !{!9}106!21 = !{!22, !23}107!22 = !DILocalVariable(name: "r", scope: !18, file: !3, line: 12, type: !9)108!23 = !DILocalVariable(name: "x", scope: !24, file: !3, line: 13, type: !9)109!24 = distinct !DILexicalBlock(scope: !18, file: !3, line: 13, column: 3)110!25 = !DILocation(line: 13, column: 3, scope: !26)111!26 = !DILexicalBlockFile(scope: !24, file: !3, discriminator: 2)112!27 = !DILocation(line: 17, column: 3, scope: !18)113!28 = !DILocation(line: 14, column: 10, scope: !29)114!29 = distinct !DILexicalBlock(scope: !30, file: !3, line: 13, column: 37)115!30 = distinct !DILexicalBlock(scope: !24, file: !3, line: 13, column: 3)116!31 = !DILocation(line: 14, column: 29, scope: !29)117!32 = !DILocation(line: 14, column: 21, scope: !33)118!33 = !DILexicalBlockFile(scope: !29, file: !3, discriminator: 2)119!34 = !DILocation(line: 14, column: 19, scope: !29)120!35 = !DILocation(line: 14, column: 7, scope: !29)121!36 = !DILocation(line: 13, column: 33, scope: !37)122!37 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 6)123!38 = !DILocation(line: 13, column: 26, scope: !39)124!39 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 2)125!40 = distinct !DISubprogram(name: "funcA", linkageName: "_Z5funcAi", scope: !3, file: !3, line: 26, type: !7, scopeLine: 26, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)126!44 = !DILocation(line: 27, column: 22, scope: !40)127!45 = !DILocation(line: 27, column: 11, scope: !40)128!46 = !DILocation(line: 29, column: 3, scope: !40)129!47 = distinct !DISubprogram(name: "funcB", linkageName: "_Z5funcBi", scope: !3, file: !3, line: 32, type: !7, scopeLine: 32, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)130!51 = !DILocation(line: 33, column: 22, scope: !47)131!52 = !DILocation(line: 33, column: 11, scope: !47)132!53 = !DILocation(line: 35, column: 3, scope: !47)133!54 = distinct !DISubprogram(name: "funcLeaf", linkageName: "_Z8funcLeafi", scope: !3, file: !3, line: 48, type: !7, scopeLine: 48, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)134!57 = !DILocation(line: 49, column: 9, scope: !58)135!58 = distinct !DILexicalBlock(scope: !54, file: !3, line: 49, column: 7)136!59 = !DILocation(line: 49, column: 7, scope: !54)137!60 = !DILocation(line: 58, column: 14, scope: !61)138!61 = !DILexicalBlockFile(scope: !62, file: !3, discriminator: 2)139!62 = distinct !DILexicalBlock(scope: !58, file: !3, line: 56, column: 8)140!63 = !DILocation(line: 58, column: 5, scope: !61)141!64 = !DILocation(line: 52, column: 16, scope: !65)142!65 = distinct !DILexicalBlock(scope: !66, file: !3, line: 51, column: 19)143!66 = distinct !DILexicalBlock(scope: !58, file: !3, line: 49, column: 14)144!67 = !DILocation(line: 52, column: 12, scope: !65)145!68 = !DILocation(line: 52, column: 9, scope: !65)146!69 = !DILocation(line: 51, column: 14, scope: !70)147!70 = !DILexicalBlockFile(scope: !66, file: !3, discriminator: 2)148!71 = !DILocation(line: 51, column: 5, scope: !70)149!72 = !DILocation(line: 59, column: 16, scope: !73)150!73 = distinct !DILexicalBlock(scope: !62, file: !3, line: 58, column: 19)151!74 = !DILocation(line: 59, column: 12, scope: !73)152!75 = !DILocation(line: 59, column: 9, scope: !73)153!76 = !DILocation(line: 63, column: 3, scope: !54)154