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
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
; Test the profile summary for context sensitive PGO (CSPGO)

; RUN: llvm-profdata merge %S/Inputs/cspgo.proftext -o %t.profdata
; RUN: opt < %s -O2 -disable-preinline -pgo-kind=pgo-instr-use-pipeline -profile-file=%t.profdata -S | FileCheck %s --check-prefix=PGOSUMMARY
; RUN: opt < %s -O2 -disable-preinline -pgo-kind=pgo-instr-use-pipeline -profile-file=%t.profdata -S -cspgo-kind=cspgo-instr-use-pipeline| FileCheck %s --check-prefix=CSPGOSUMMARY

target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@odd = common dso_local global i32 0, align 4
@even = common dso_local global i32 0, align 4
@not_six = common dso_local global i32 0, align 4

define dso_local i32 @goo(i32 %n) {
entry:
  %i = alloca i32, align 4
  %i.0..sroa_cast = bitcast i32* %i to i8*
  store volatile i32 %n, i32* %i, align 4
  %i.0. = load volatile i32, i32* %i, align 4
  ret i32 %i.0.
}

define dso_local void @bar(i32 %n) {
entry:
  %call = call fastcc i32 @cond(i32 %n)
  %tobool = icmp eq i32 %call, 0
  br i1 %tobool, label %if.else, label %if.then

if.then:
  %0 = load i32, i32* @odd, align 4
  %inc = add i32 %0, 1
  store i32 %inc, i32* @odd, align 4
  br label %if.end

if.else:
  %1 = load i32, i32* @even, align 4
  %inc1 = add i32 %1, 1
  store i32 %inc1, i32* @even, align 4
  br label %if.end

if.end:
  br label %for.cond

for.cond:
  %i.0 = phi i32 [ 0, %if.end ], [ %inc6, %for.inc ]
  %cmp = icmp ult i32 %i.0, 4
  br i1 %cmp, label %for.body, label %for.end

for.body:
  %mul = mul nsw i32 %i.0, %n
  %rem = srem i32 %mul, 6
  %tobool2 = icmp eq i32 %rem, 0
  br i1 %tobool2, label %for.inc, label %if.then3

if.then3:
  %2 = load i32, i32* @not_six, align 4
  %inc4 = add i32 %2, 1
  store i32 %inc4, i32* @not_six, align 4
  br label %for.inc

for.inc:
  %inc6 = add nuw nsw i32 %i.0, 1
  br label %for.cond

for.end:
  ret void
}
; PGOSUMMARY-LABEL: @bar
; PGOSUMMARY: %odd.sink = select i1 %tobool, i32* @even, i32* @odd
; PGOSUMMARY-SAME: !prof ![[BW_PGO_BAR:[0-9]+]]
; CSPGOSUMMARY-LABEL: @bar
; CSPGOSUMMARY: %odd.sink = select i1 %tobool, i32* @even, i32* @odd
; CSPGOSUMMARY-SAME: !prof ![[BW_CSPGO_BAR:[0-9]+]]

define internal fastcc i32 @cond(i32 %i) {
entry:
  %rem = srem i32 %i, 2
  ret i32 %rem
}

define dso_local void @foo() {
entry:
  br label %for.cond

for.cond:
  %i.0 = phi i32 [ 0, %entry ], [ %add4, %for.body ]
  %cmp = icmp slt i32 %i.0, 200000
  br i1 %cmp, label %for.body, label %for.end

for.body:
  %call = call i32 @goo(i32 %i.0)
  call void @bar(i32 %call)
  %add = add nsw i32 %call, 1
  call void @bar(i32 %add)
  %call1 = call i32 @bar_m(i32 %call) #4
  %call3 = call i32 @bar_m2(i32 %add) #4
  call fastcc void @barbar()
  %add4 = add nsw i32 %call, 2
  br label %for.cond

for.end:
  ret void
}
; CSPGOSUMMARY-LABEL: @foo
; CSPGOSUMMARY: %even.sink{{[0-9]*}} = select i1 %tobool.i{{[0-9]*}}, i32* @even, i32* @odd
; CSPGOSUMMARY-SAME: !prof ![[BW1_CSPGO_FOO:[0-9]+]]
; CSPGOSUMMARY: %even.sink{{[0-9]*}} = select i1 %tobool.i{{[0-9]*}}, i32* @even, i32* @odd
; CSPGOSUMMARY-SAME: !prof ![[BW2_CSPGO_FOO:[0-9]+]]

declare dso_local i32 @bar_m(i32)
declare dso_local i32 @bar_m2(i32)

define internal fastcc void @barbar() {
entry:
  %0 = load i32, i32* @odd, align 4
  %inc = add i32 %0, 1
  store i32 %inc, i32* @odd, align 4
  ret void
}

define dso_local i32 @main() {
entry:
  call void @foo()
  ret i32 0
}

; PGOSUMMARY: {{![0-9]+}} = !{i32 1, !"ProfileSummary", !{{[0-9]+}}}
; PGOSUMMARY: {{![0-9]+}} = !{!"ProfileFormat", !"InstrProf"}
; PGOSUMMARY: {{![0-9]+}} = !{!"TotalCount", i64 2100001}
; PGOSUMMARY: {{![0-9]+}} = !{!"MaxCount", i64 800000}
; PGOSUMMARY: {{![0-9]+}} = !{!"MaxInternalCount", i64 399999}
; PGOSUMMARY: {{![0-9]+}} = !{!"MaxFunctionCount", i64 800000}
; PGOSUMMARY: {{![0-9]+}} = !{!"NumCounts", i64 14}
; PGOSUMMARY: {{![0-9]+}} = !{!"NumFunctions", i64 8}
; PGOSUMMARY-DAG: ![[BW_PGO_BAR]] = !{!"branch_weights", i32 100000, i32 100000}

; CSPGOSUMMARY: {{![0-9]+}} = !{i32 1, !"ProfileSummary", !1}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"ProfileFormat", !"InstrProf"}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"TotalCount", i64 2100001}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxCount", i64 800000}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxInternalCount", i64 399999}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxFunctionCount", i64 800000}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"NumCounts", i64 14}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"NumFunctions", i64 8}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"DetailedSummary", !10}
; CSPGOSUMMARY: {{![0-9]+}} = !{i32 1, !"CSProfileSummary", !{{[0-9]+}}}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"ProfileFormat", !"CSInstrProf"}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"TotalCount", i64 1299950}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxCount", i64 200000}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxInternalCount", i64 100000}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"MaxFunctionCount", i64 200000}
; CSPGOSUMMARY: {{![0-9]+}} = !{!"NumCounts", i64 23}
; CSPGOSUMMARY-DAG: ![[BW_CSPGO_BAR]] = !{!"branch_weights", i32 100000, i32 100000}
; CSPGOSUMMARY-DAG: ![[BW1_CSPGO_FOO]] = !{!"branch_weights", i32 100000, i32 0}
; CSPGOSUMMARY-DAG: ![[BW2_CSPGO_FOO]] = !{!"branch_weights", i32 0, i32 100000}