105 lines
7.5 KiB
LLVM
105 lines
7.5 KiB
LLVM
; Make sure Import GUID list for ThinLTO properly set for CSSPGO
|
|
; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/csspgo-import-list.prof -sample-profile-even-count-distribution=0 -S | FileCheck %s
|
|
; RUN: llvm-profdata merge --sample --extbinary %S/Inputs/csspgo-import-list.prof -o %t.prof
|
|
; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%t.prof -sample-profile-even-count-distribution=0 -S | FileCheck %s
|
|
; RUN: llvm-profdata show --sample -show-sec-info-only %t.prof | FileCheck %s --check-prefix=CHECK-ORDERED
|
|
; RUN: llvm-profdata merge --sample --extbinary --use-md5 %S/Inputs/csspgo-import-list.prof -o %t.md5
|
|
; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%t.md5 -sample-profile-even-count-distribution=0 -S | FileCheck %s
|
|
; RUN: llvm-profdata show --sample -show-sec-info-only %t.md5 | FileCheck %s --check-prefix=CHECK-ORDERED
|
|
|
|
;; Validate that with replay in effect, we import call sites even if they are below the threshold
|
|
;; Baseline import decisions
|
|
; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/csspgo-import-list.prof -profile-summary-hot-count=10000 -sample-profile-even-count-distribution=0 -S | FileCheck %s --check-prefix=THRESHOLD
|
|
;; With replay
|
|
; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/csspgo-import-list.prof -sample-profile-inline-replay=%S/Inputs/csspgo-import-list-replay.txt -sample-profile-inline-replay-scope=Module -profile-summary-hot-count=10000 -sample-profile-even-count-distribution=0 -S | FileCheck %s --check-prefix=THRESHOLD-REPLAY
|
|
;; With replay but no profile information for call to _Z5funcAi. We import _Z5funcAi because it's explicitly in the replay but don't go further to its callee (_Z3fibi) because we lack samples
|
|
; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/csspgo-import-list-no-funca.prof -sample-profile-inline-replay=%S/Inputs/csspgo-import-list-replay.txt -sample-profile-inline-replay-scope=Module -profile-summary-hot-count=10000 -sample-profile-even-count-distribution=0 -S | FileCheck %s --check-prefix=THRESHOLD-REPLAY-NO-FUNCA
|
|
|
|
declare i32 @_Z5funcBi(i32 %x)
|
|
declare i32 @_Z5funcAi(i32 %x)
|
|
|
|
define dso_local i32 @main() local_unnamed_addr #0 !dbg !18 {
|
|
entry:
|
|
br label %for.body, !dbg !25
|
|
|
|
for.cond.cleanup: ; preds = %for.body
|
|
ret i32 %add3, !dbg !27
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%x.011 = phi i32 [ 300000, %entry ], [ %dec, %for.body ]
|
|
%r.010 = phi i32 [ 0, %entry ], [ %add3, %for.body ]
|
|
%call = tail call i32 @_Z5funcBi(i32 %x.011), !dbg !32
|
|
%add = add nuw nsw i32 %x.011, 1, !dbg !31
|
|
%call1 = tail call i32 @_Z5funcAi(i32 %add), !dbg !28
|
|
%add2 = add i32 %call, %r.010, !dbg !34
|
|
%add3 = add i32 %add2, %call1, !dbg !35
|
|
%dec = add nsw i32 %x.011, -1, !dbg !36
|
|
%cmp = icmp eq i32 %x.011, 0, !dbg !38
|
|
br i1 %cmp, label %for.cond.cleanup, label %for.body, !dbg !25
|
|
}
|
|
|
|
; Make sure the ImportGUID stays with entry count metadata for ThinLTO-PreLink
|
|
; For reference, the GUIDs of the functions are:
|
|
; _Z5funcBi:446061515086924981
|
|
; _Z8funcLeafi:7102633082150537521
|
|
; _Z5funcBiLeaf2:3815895320998406042
|
|
; _Z8funcLeafi3:-2862076748587597320
|
|
; _Z5funcAi:6309742469962978389
|
|
; _Z3fibi:-2016976694713209516
|
|
|
|
; CHECK: distinct !DISubprogram(name: "main"
|
|
; CHECK: !{!"function_entry_count", i64 1, i64 446061515086924981, i64 3815895320998406042, i64 7102633082150537521, i64 -2862076748587597320}
|
|
|
|
; CHECK-ORDERED: FuncOffsetTableSection {{.*}} {ordered}
|
|
|
|
; THRESHOLD: !{!"function_entry_count", i64 1}
|
|
; THRESHOLD-REPLAY: !{!"function_entry_count", i64 1, i64 446061515086924981, i64 3815895320998406042, i64 6309742469962978389, i64 7102633082150537521, i64 -2862076748587597320, i64 -2016976694713209516}
|
|
; THRESHOLD-REPLAY-NO-FUNCA: !{!"function_entry_count", i64 1, i64 446061515086924981, i64 3815895320998406042, i64 6309742469962978389, i64 7102633082150537521, i64 -2862076748587597320}
|
|
|
|
attributes #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" }
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!14, !15, !16}
|
|
!llvm.ident = !{!17}
|
|
|
|
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
|
!1 = distinct !DIGlobalVariable(name: "factor", scope: !2, file: !3, line: 21, type: !13, isLocal: false, isDefinition: true)
|
|
!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)
|
|
!3 = !DIFile(filename: "merged.cpp", directory: "/local/autofdo")
|
|
!4 = !{}
|
|
!5 = !{!6, !10, !11}
|
|
!6 = !DISubprogram(name: "funcA", linkageName: "_Z5funcAi", scope: !3, file: !3, line: 6, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)
|
|
!7 = !DISubroutineType(types: !8)
|
|
!8 = !{!9, !9}
|
|
!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!10 = !DISubprogram(name: "funcB", linkageName: "_Z5funcBi", scope: !3, file: !3, line: 7, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)
|
|
!11 = !DISubprogram(name: "funcLeaf", linkageName: "_Z8funcLeafi", scope: !3, file: !3, line: 22, type: !7, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)
|
|
!12 = !{!0}
|
|
!13 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !9)
|
|
!14 = !{i32 7, !"Dwarf Version", i32 4}
|
|
!15 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!16 = !{i32 1, !"wchar_size", i32 4}
|
|
!17 = !{!"clang version 11.0.0"}
|
|
!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)
|
|
!19 = !DISubroutineType(types: !20)
|
|
!20 = !{!9}
|
|
!21 = !{!22, !23}
|
|
!22 = !DILocalVariable(name: "r", scope: !18, file: !3, line: 12, type: !9)
|
|
!23 = !DILocalVariable(name: "x", scope: !24, file: !3, line: 13, type: !9)
|
|
!24 = distinct !DILexicalBlock(scope: !18, file: !3, line: 13, column: 3)
|
|
!25 = !DILocation(line: 13, column: 3, scope: !26)
|
|
!26 = !DILexicalBlockFile(scope: !24, file: !3, discriminator: 2)
|
|
!27 = !DILocation(line: 17, column: 3, scope: !18)
|
|
!28 = !DILocation(line: 13, column: 10, scope: !29)
|
|
!29 = distinct !DILexicalBlock(scope: !30, file: !3, line: 13, column: 37)
|
|
!30 = distinct !DILexicalBlock(scope: !24, file: !3, line: 13, column: 3)
|
|
!31 = !DILocation(line: 14, column: 29, scope: !29)
|
|
!32 = !DILocation(line: 14, column: 21, scope: !33)
|
|
!33 = !DILexicalBlockFile(scope: !29, file: !3, discriminator: 2)
|
|
!34 = !DILocation(line: 14, column: 19, scope: !29)
|
|
!35 = !DILocation(line: 14, column: 7, scope: !29)
|
|
!36 = !DILocation(line: 13, column: 33, scope: !37)
|
|
!37 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 6)
|
|
!38 = !DILocation(line: 13, column: 26, scope: !39)
|
|
!39 = !DILexicalBlockFile(scope: !30, file: !3, discriminator: 2)
|