xref: /llvm-project/llvm/test/Transforms/SampleProfile/csspgo-summary.ll (revision 0271ae65a66367d802fa6866599d11e35f68450f) 
1; Test for CSSPGO's profile summary computation with and without pre-merging context profiles
2
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-UNMERGED
4; 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-MERGED
5
6; SUMMARY-UNMERGED: main :hot entry
7; SUMMARY-MERGED-NOT: main :hot entry
8
9
10@factor = dso_local global i32 3, align 4, !dbg !0
11
12define dso_local i32 @main() local_unnamed_addr #0 !dbg !18 {
13entry:
14  br label %for.body, !dbg !25
15
16for.cond.cleanup:                                 ; preds = %for.body
17  ret i32 %add3, !dbg !27
18
19for.body:                                         ; preds = %for.body, %entry
20  %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 !32
23  %add = add nuw nsw i32 %x.011, 1, !dbg !31
24  %call1 = tail call i32 @_Z5funcAi(i32 %add), !dbg !28
25  %add2 = add i32 %call, %r.010, !dbg !34
26  %add3 = add i32 %add2, %call1, !dbg !35
27  %dec = add nsw i32 %x.011, -1, !dbg !36
28  %cmp = icmp eq i32 %x.011, 0, !dbg !38
29  br i1 %cmp, label %for.cond.cleanup, label %for.body, !dbg !25
30}
31
32define dso_local i32 @_Z5funcAi(i32 %x) local_unnamed_addr #1 !dbg !40 {
33entry:
34  %add = add nsw i32 %x, 100000, !dbg !44
35  %call = tail call i32 @_Z8funcLeafi(i32 %add), !dbg !45
36  ret i32 %call, !dbg !46
37}
38
39define dso_local i32 @_Z8funcLeafi(i32 %x) local_unnamed_addr #1 !dbg !54 {
40entry:
41  %cmp = icmp sgt i32 %x, 0, !dbg !57
42  br i1 %cmp, label %while.body, label %while.cond2.preheader, !dbg !59
43
44while.cond2.preheader:                            ; preds = %entry
45  %cmp313 = icmp slt i32 %x, 0, !dbg !60
46  br i1 %cmp313, label %while.body4, label %if.end, !dbg !63
47
48while.body:                                       ; preds = %while.body, %entry
49  %x.addr.016 = phi i32 [ %sub, %while.body ], [ %x, %entry ]
50  %tmp = load volatile i32, ptr @factor, align 4, !dbg !64
51  %call = tail call i32 @_Z3fibi(i32 %tmp), !dbg !67
52  %sub = sub nsw i32 %x.addr.016, %call, !dbg !68
53  %cmp1 = icmp sgt i32 %sub, 0, !dbg !69
54  br i1 %cmp1, label %while.body, label %if.end, !dbg !71
55
56while.body4:                                      ; preds = %while.body4, %while.cond2.preheader
57  %x.addr.114 = phi i32 [ %add, %while.body4 ], [ %x, %while.cond2.preheader ]
58  %tmp1 = load volatile i32, ptr @factor, align 4, !dbg !72
59  %call5 = tail call i32 @_Z3fibi(i32 %tmp1), !dbg !74
60  %add = add nsw i32 %call5, %x.addr.114, !dbg !75
61  %cmp3 = icmp slt i32 %add, 0, !dbg !60
62  br i1 %cmp3, label %while.body4, label %if.end, !dbg !63
63
64if.end:                                           ; preds = %while.body4, %while.body, %while.cond2.preheader
65  %x.addr.2 = phi i32 [ 0, %while.cond2.preheader ], [ %sub, %while.body ], [ %add, %while.body4 ]
66  ret i32 %x.addr.2, !dbg !76
67}
68
69define dso_local i32 @_Z5funcBi(i32 %x) local_unnamed_addr #0 !dbg !47 {
70entry:
71  %sub = add nsw i32 %x, -100000, !dbg !51
72  %call = tail call i32 @_Z8funcLeafi(i32 %sub), !dbg !52
73  ret i32 %call, !dbg !53
74}
75
76declare i32 @_Z3fibi(i32)
77
78attributes #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" }
79attributes #1 = { nofree 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" }
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