1; REQUIRES: x86_64-linux 2; REQUIRES: asserts 3; 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-TEXT 4; RUN: llvm-profdata merge --sample %S/Inputs/pseudo-probe-stale-profile-toplev-func.prof -extbinary -o %t.extbinary 5; 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-EXTBIN 6 7; CHECK-TEXT: Run stale profile matching for main 8; CHECK-TEXT-NOT: Read top-level function foo for call-graph matching 9; CHECK-TEXT: The checksums for foo_rename(IR) and foo(Profile) match. 10; CHECK-TEXT: Function:foo_rename matches profile:foo 11; CHECK-TEXT: Run stale profile matching for foo_rename 12; CHECK-TEXT: (1/3) of functions' profile are matched and (2724522/3177413) of samples are reused by call graph matching. 13 14; CHECK-TEXT: Processing Function main 15; CHECK-TEXT: 5: call void @foo_rename(), !dbg ![[#]] - weight: 51 16; CHECK-TEXT: Processing Function foo_rename 17; CHECK-TEXT: 2: %call = call i32 @bar(i32 noundef %0), !dbg ![[#]] - weight: 452674 18 19 20; CHECK-EXTBIN: Run stale profile matching for main 21; CHECK-EXTBIN: Read top-level function foo for call-graph matching 22; CHECK-EXTBIN: The checksums for foo_rename(IR) and foo(Profile) match. 23; CHECK-EXTBIN: Function:foo_rename matches profile:foo 24; CHECK-EXTBIN: Run stale profile matching for foo_rename 25; CHECK-EXTBIN: (1/3) of functions' profile are matched and (2724522/3177413) of samples are reused by call graph matching. 26 27; CHECK-EXTBIN: Processing Function main 28; CHECK-EXTBIN: 5: call void @foo_rename(), !dbg ![[#]] - weight: 51 29; CHECK-EXTBIN: Processing Function foo_rename 30; CHECK-EXTBIN: 2: %call = call i32 @bar(i32 noundef %0), !dbg ![[#]] - weight: 452674 31 32 33target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" 34target triple = "x86_64-unknown-linux-gnu" 35 36@x = dso_local global i32 0, align 4, !dbg !0 37 38; Function Attrs: noinline nounwind uwtable 39define dso_local i32 @bar(i32 noundef %x) #0 !dbg !18 { 40entry: 41 #dbg_value(i32 %x, !22, !DIExpression(), !23) 42 call void @llvm.pseudoprobe(i64 -2012135647395072713, i64 1, i32 0, i64 -1), !dbg !24 43 %add = add nsw i32 %x, 1, !dbg !25 44 ret i32 %add, !dbg !26 45} 46 47; Function Attrs: noinline nounwind uwtable 48define dso_local void @foo_rename() #0 !dbg !27 { 49entry: 50 call void @llvm.pseudoprobe(i64 -2115950948644264162, i64 1, i32 0, i64 -1), !dbg !30 51 %0 = load volatile i32, ptr @x, align 4, !dbg !30, !tbaa !31 52 %call = call i32 @bar(i32 noundef %0), !dbg !35 53 %1 = load volatile i32, ptr @x, align 4, !dbg !37, !tbaa !31 54 %add = add nsw i32 %1, %call, !dbg !37 55 store volatile i32 %add, ptr @x, align 4, !dbg !37, !tbaa !31 56 ret void, !dbg !38 57} 58 59; Function Attrs: nounwind uwtable 60define dso_local i32 @main() #1 !dbg !39 { 61entry: 62 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 1, i32 0, i64 -1), !dbg !45 63 #dbg_value(i32 0, !43, !DIExpression(), !46) 64 br label %for.cond, !dbg !47 65 66for.cond: ; preds = %for.body, %entry 67 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ], !dbg !48 68 #dbg_value(i32 %i.0, !43, !DIExpression(), !46) 69 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 2, i32 0, i64 -1), !dbg !49 70 %cmp = icmp slt i32 %i.0, 100000, !dbg !51 71 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !52 72 73for.cond.cleanup: ; preds = %for.cond 74 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 3, i32 0, i64 -1), !dbg !53 75 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 7, i32 0, i64 -1), !dbg !54 76 ret i32 0, !dbg !54 77 78for.body: ; preds = %for.cond 79 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 4, i32 0, i64 -1), !dbg !55 80 call void @foo_rename(), !dbg !57 81 call void @llvm.pseudoprobe(i64 -2624081020897602054, i64 6, i32 0, i64 -1), !dbg !59 82 %inc = add nsw i32 %i.0, 1, !dbg !59 83 #dbg_value(i32 %inc, !43, !DIExpression(), !46) 84 br label %for.cond, !dbg !60, !llvm.loop !61 85} 86 87; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) 88declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2 89 90; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) 91declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2 92 93; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) 94declare void @llvm.pseudoprobe(i64, i64, i32, i64) #3 95 96attributes #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" } 97attributes #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" } 98attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) } 99attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: readwrite) } 100 101!llvm.dbg.cu = !{!2} 102!llvm.module.flags = !{!7, !8, !9, !10, !11, !12, !13} 103!llvm.ident = !{!14} 104!llvm.pseudo_probe_desc = !{!15, !16, !17} 105 106!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 107!1 = distinct !DIGlobalVariable(name: "x", scope: !2, file: !3, line: 1, type: !5, isLocal: false, isDefinition: true) 108!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) 109!3 = !DIFile(filename: "test_rename.c", directory: "/home", checksumkind: CSK_MD5, checksum: "11a33a83e4d190ebda0792d0610f0c67") 110!4 = !{!0} 111!5 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !6) 112!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 113!7 = !{i32 7, !"Dwarf Version", i32 5} 114!8 = !{i32 2, !"Debug Info Version", i32 3} 115!9 = !{i32 1, !"wchar_size", i32 4} 116!10 = !{i32 8, !"PIC Level", i32 2} 117!11 = !{i32 7, !"PIE Level", i32 2} 118!12 = !{i32 7, !"uwtable", i32 2} 119!13 = !{i32 7, !"debug-info-assignment-tracking", i1 true} 120!14 = !{!"clang version 20.0.0"} 121!15 = !{i64 -2012135647395072713, i64 4294967295, !"bar"} 122!16 = !{i64 -2115950948644264162, i64 281479271677951, !"foo_rename"} 123!17 = !{i64 -2624081020897602054, i64 281582264815352, !"main"} 124!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) 125!19 = !DISubroutineType(types: !20) 126!20 = !{!6, !6} 127!21 = !{!22} 128!22 = !DILocalVariable(name: "x", arg: 1, scope: !18, file: !3, line: 3, type: !6) 129!23 = !DILocation(line: 0, scope: !18) 130!24 = !DILocation(line: 4, column: 10, scope: !18) 131!25 = !DILocation(line: 4, column: 12, scope: !18) 132!26 = !DILocation(line: 4, column: 3, scope: !18) 133!27 = distinct !DISubprogram(name: "foo_rename", scope: !3, file: !3, line: 7, type: !28, scopeLine: 7, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2) 134!28 = !DISubroutineType(types: !29) 135!29 = !{null} 136!30 = !DILocation(line: 8, column: 15, scope: !27) 137!31 = !{!32, !32, i64 0} 138!32 = !{!"int", !33, i64 0} 139!33 = !{!"omnipotent char", !34, i64 0} 140!34 = !{!"Simple C/C++ TBAA"} 141!35 = !DILocation(line: 8, column: 11, scope: !36) 142!36 = !DILexicalBlockFile(scope: !27, file: !3, discriminator: 455082007) 143!37 = !DILocation(line: 8, column: 8, scope: !27) 144!38 = !DILocation(line: 9, column: 1, scope: !27) 145!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) 146!40 = !DISubroutineType(types: !41) 147!41 = !{!6} 148!42 = !{!43} 149!43 = !DILocalVariable(name: "i", scope: !44, file: !3, line: 12, type: !6) 150!44 = distinct !DILexicalBlock(scope: !39, file: !3, line: 12, column: 3) 151!45 = !DILocation(line: 12, column: 12, scope: !44) 152!46 = !DILocation(line: 0, scope: !44) 153!47 = !DILocation(line: 12, column: 8, scope: !44) 154!48 = !DILocation(line: 12, scope: !44) 155!49 = !DILocation(line: 12, column: 19, scope: !50) 156!50 = distinct !DILexicalBlock(scope: !44, file: !3, line: 12, column: 3) 157!51 = !DILocation(line: 12, column: 21, scope: !50) 158!52 = !DILocation(line: 12, column: 3, scope: !44) 159!53 = !DILocation(line: 0, scope: !39) 160!54 = !DILocation(line: 15, column: 1, scope: !39) 161!55 = !DILocation(line: 13, column: 7, scope: !56) 162!56 = distinct !DILexicalBlock(scope: !50, file: !3, line: 12, column: 40) 163!57 = !DILocation(line: 13, column: 7, scope: !58) 164!58 = !DILexicalBlockFile(scope: !56, file: !3, discriminator: 455082031) 165!59 = !DILocation(line: 12, column: 36, scope: !50) 166!60 = !DILocation(line: 12, column: 3, scope: !50) 167!61 = distinct !{!61, !52, !62, !63} 168!62 = !DILocation(line: 14, column: 3, scope: !44) 169!63 = !{!"llvm.loop.mustprogress"} 170