reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
; Original C++ test case
;
; #include <stdio.h>
;
; __attribute__((noinline)) int goo() { return 3 };
; __attribute__((noinline)) int hoo() { return 4 };
;
; int sum(int x, int y) {
;   return x + y;
; }
;
; int main() {
;   int s, i = 0;
;   while (i++ < 20000 * 20000)
;     if (i != 100) s = sum(i, s); else s = 30;
;   printf("sum is %d\n", s);
;   return goo() + hoo() != 7;
; }
;
; Both goo and hoo don't show up in the input profile.
; Suppose function goo shows up in the binary generating the input profile
; and function hoo doesn't show up. Then the profile symbol list in the input
; profile will contain goo but not hoo. Verify the entry count of goo is
; 0 and the entry count of hoo is -1.
; CHECK: define {{.*}} i32 @_Z3goov() {{.*}} !prof ![[IDX1:[0-9]*]]
; CHECK: define {{.*}} i32 @_Z3hoov() {{.*}} !prof ![[IDX2:[0-9]*]]
; CHECK: ![[IDX1]] = !{!"function_entry_count", i64 0}
; CHECK: ![[IDX2]] = !{!"function_entry_count", i64 -1}

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str = private unnamed_addr constant [11 x i8] c"sum is %d\0A\00", align 1

; Function Attrs: noinline norecurse nounwind readnone uwtable
define dso_local i32 @_Z3goov() local_unnamed_addr #0 !dbg !7 {
entry:
  ret i32 3, !dbg !9
}

; Function Attrs: noinline norecurse nounwind readnone uwtable
define dso_local i32 @_Z3hoov() local_unnamed_addr #0 !dbg !10 {
entry:
  ret i32 4, !dbg !11
}

; Function Attrs: norecurse nounwind readnone uwtable
define dso_local i32 @_Z3sumii(i32 %x, i32 %y) local_unnamed_addr #1 !dbg !12 {
entry:
  %add = add nsw i32 %y, %x, !dbg !13
  ret i32 %add, !dbg !14
}

; Function Attrs: nofree norecurse nounwind uwtable
define dso_local i32 @main() local_unnamed_addr #2 !dbg !15 {
entry:
  br label %while.body, !dbg !16

while.body:                                       ; preds = %while.body, %entry
  %inc12 = phi i32 [ 1, %entry ], [ %inc.4, %while.body ]
  %s.011 = phi i32 [ undef, %entry ], [ %spec.select.4, %while.body ]
  %cmp1 = icmp eq i32 %inc12, 100, !dbg !18
  %add.i = add nsw i32 %inc12, %s.011, !dbg !20
  %spec.select = select i1 %cmp1, i32 30, i32 %add.i, !dbg !23
  %inc = add nuw nsw i32 %inc12, 1, !dbg !24
  %cmp1.1 = icmp eq i32 %inc, 100, !dbg !18
  %add.i.1 = add nsw i32 %inc, %spec.select, !dbg !20
  %spec.select.1 = select i1 %cmp1.1, i32 30, i32 %add.i.1, !dbg !23
  %inc.1 = add nuw nsw i32 %inc12, 2, !dbg !24
  %cmp1.2 = icmp eq i32 %inc.1, 100, !dbg !18
  %add.i.2 = add nsw i32 %inc.1, %spec.select.1, !dbg !20
  %spec.select.2 = select i1 %cmp1.2, i32 30, i32 %add.i.2, !dbg !23
  %inc.2 = add nuw nsw i32 %inc12, 3, !dbg !24
  %cmp1.3 = icmp eq i32 %inc.2, 100, !dbg !18
  %add.i.3 = add nsw i32 %inc.2, %spec.select.2, !dbg !20
  %spec.select.3 = select i1 %cmp1.3, i32 30, i32 %add.i.3, !dbg !23
  %inc.3 = add nuw nsw i32 %inc12, 4, !dbg !24
  %cmp1.4 = icmp eq i32 %inc.3, 100, !dbg !18
  %add.i.4 = add nsw i32 %inc.3, %spec.select.3, !dbg !20
  %spec.select.4 = select i1 %cmp1.4, i32 30, i32 %add.i.4, !dbg !23
  %inc.4 = add nuw nsw i32 %inc12, 5, !dbg !24
  %exitcond.4 = icmp eq i32 %inc.4, 400000001, !dbg !26
  br i1 %exitcond.4, label %while.end, label %while.body, !dbg !27, !llvm.loop !28

while.end:                                        ; preds = %while.body
  %call2 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i64 0, i64 0), i32 %spec.select.4), !dbg !31
  ret i32 0, !dbg !32
}

; Function Attrs: nofree nounwind
declare dso_local i32 @printf(i8* nocapture readonly, ...) local_unnamed_addr #3

attributes #0 = { noinline norecurse nounwind readnone 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" }
attributes #1 = { norecurse nounwind readnone 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" }
attributes #2 = { 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" }
attributes #3 = { nofree nounwind "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "no-infs-fp-math"="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" }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}

!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 10.0.0 (trunk 369144)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, debugInfoForProfiling: true, nameTableKind: None)
!1 = !DIFile(filename: "1.cc", directory: "/usr/local/google/home/wmi/workarea/llvm-r369144/src")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{!"clang version 10.0.0 (trunk 369144)"}
!7 = distinct !DISubprogram(name: "goo", linkageName: "_Z3goov", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!8 = !DISubroutineType(types: !2)
!9 = !DILocation(line: 3, column: 39, scope: !7)
!10 = distinct !DISubprogram(name: "hoo", linkageName: "_Z3hoov", scope: !1, file: !1, line: 4, type: !8, scopeLine: 4, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!11 = !DILocation(line: 4, column: 39, scope: !10)
!12 = distinct !DISubprogram(name: "sum", linkageName: "_Z3sumii", scope: !1, file: !1, line: 6, type: !8, scopeLine: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!13 = !DILocation(line: 7, column: 12, scope: !12)
!14 = !DILocation(line: 7, column: 3, scope: !12)
!15 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 10, type: !8, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
!16 = !DILocation(line: 12, column: 3, scope: !17)
!17 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 2)
!18 = !DILocation(line: 13, column: 11, scope: !19)
!19 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 21)
!20 = !DILocation(line: 7, column: 12, scope: !21, inlinedAt: !22)
!21 = !DILexicalBlockFile(scope: !12, file: !1, discriminator: 21)
!22 = distinct !DILocation(line: 13, column: 23, scope: !17)
!23 = !DILocation(line: 13, column: 9, scope: !19)
!24 = !DILocation(line: 12, column: 11, scope: !25)
!25 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 1282)
!26 = !DILocation(line: 12, column: 14, scope: !25)
!27 = !DILocation(line: 12, column: 3, scope: !25)
!28 = distinct !{!28, !29, !30}
!29 = !DILocation(line: 12, column: 3, scope: !15)
!30 = !DILocation(line: 13, column: 43, scope: !15)
!31 = !DILocation(line: 14, column: 3, scope: !15)
!32 = !DILocation(line: 15, column: 3, scope: !15)