1; Make sure Import GUID list for ThinLTO properly set for CSSPGO 2; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/csspgo-import-list.prof -S | FileCheck %s 3; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/csspgo-import-list.prof.extbin -S | FileCheck %s 4 5declare i32 @_Z5funcBi(i32 %x) 6declare i32 @_Z5funcAi(i32 %x) 7 8define dso_local i32 @main() local_unnamed_addr #0 !dbg !18 { 9entry: 10 br label %for.body, !dbg !25 11 12for.cond.cleanup: ; preds = %for.body 13 ret i32 %add3, !dbg !27 14 15for.body: ; preds = %for.body, %entry 16 %x.011 = phi i32 [ 300000, %entry ], [ %dec, %for.body ] 17 %r.010 = phi i32 [ 0, %entry ], [ %add3, %for.body ] 18 %call = tail call i32 @_Z5funcBi(i32 %x.011), !dbg !32 19 %add = add nuw nsw i32 %x.011, 1, !dbg !31 20 %call1 = tail call i32 @_Z5funcAi(i32 %add), !dbg !28 21 %add2 = add i32 %call, %r.010, !dbg !34 22 %add3 = add i32 %add2, %call1, !dbg !35 23 %dec = add nsw i32 %x.011, -1, !dbg !36 24 %cmp = icmp eq i32 %x.011, 0, !dbg !38 25 br i1 %cmp, label %for.cond.cleanup, label %for.body, !dbg !25 26} 27 28; Make sure the ImportGUID stays with entry count metadata for ThinLTO-PreLink 29; CHECK: distinct !DISubprogram(name: "main" 30; CHECK: !{!"function_entry_count", i64 3, i64 446061515086924981, i64 3815895320998406042, i64 7102633082150537521, i64 -2862076748587597320} 31 32 33attributes #0 = { nofree noinline norecurse nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" "use-sample-profile" } 34 35!llvm.dbg.cu = !{!2} 36!llvm.module.flags = !{!14, !15, !16} 37!llvm.ident = !{!17} 38 39!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 40!1 = distinct !DIGlobalVariable(name: "factor", scope: !2, file: !3, line: 21, type: !13, isLocal: false, isDefinition: true) 41!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) 42!3 = !DIFile(filename: "merged.cpp", directory: "/local/autofdo") 43!4 = !{} 44!5 = !{!6, !10, !11} 45!6 = !DISubprogram(name: "funcA", linkageName: "_Z5funcAi", scope: !3, file: !3, line: 6, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4) 46!7 = !DISubroutineType(types: !8) 47!8 = !{!9, !9} 48!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 49!10 = !DISubprogram(name: "funcB", linkageName: "_Z5funcBi", scope: !3, file: !3, line: 7, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4) 50!11 = !DISubprogram(name: "funcLeaf", linkageName: "_Z8funcLeafi", scope: !3, file: !3, line: 22, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4) 51!12 = !{!0} 52!13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !9) 53!14 = !{i32 7, !"Dwarf Version", i32 4} 54!15 = !{i32 2, !"Debug Info Version", i32 3} 55!16 = !{i32 1, !"wchar_size", i32 4} 56!17 = !{!"clang version 11.0.0"} 57!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) 58!19 = !DISubroutineType(types: !20) 59!20 = !{!9} 60!21 = !{!22, !23} 61!22 = !DILocalVariable(name: "r", scope: !18, file: !3, line: 12, type: !9) 62!23 = !DILocalVariable(name: "x", scope: !24, file: !3, line: 13, type: !9) 63!24 = distinct !DILexicalBlock(scope: !18, file: !3, line: 13, column: 3) 64!25 = !DILocation(line: 13, column: 3, scope: !26) 65!26 = !DILexicalBlockFile(scope: !24, file: !3, discriminator: 2) 66!27 = !DILocation(line: 17, column: 3, scope: !18) 67!28 = !DILocation(line: 13, column: 10, scope: !29) 68!29 = distinct !DILexicalBlock(scope: !30, file: !3, line: 13, column: 37) 69!30 = distinct !DILexicalBlock(scope: !24, file: !3, line: 13, column: 3) 70!31 = !DILocation(line: 14, column: 29, scope: !29) 71!32 = !DILocation(line: 14, column: 21, scope: !33) 72!33 = !DILexicalBlockFile(scope: !29, file: !3, discriminator: 2) 73!34 = !DILocation(line: 14, column: 19, scope: !29) 74!35 = !DILocation(line: 14, column: 7, scope: !29) 75!36 = !DILocation(line: 13, column: 33, scope: !37) 76!37 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 6) 77!38 = !DILocation(line: 13, column: 26, scope: !39) 78!39 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 2) 79