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
| ; RUN: opt < %s -pgo-memop-opt -verify-dom-info -pgo-memop-count-threshold=90 -pgo-memop-percent-threshold=15 -S | FileCheck %s --check-prefix=MEMOP_OPT
; RUN: opt < %s -passes=pgo-memop-opt -verify-dom-info -pgo-memop-count-threshold=90 -pgo-memop-percent-threshold=15 -S | FileCheck %s --check-prefix=MEMOP_OPT
; RUN: opt < %s -pgo-memop-opt -verify-dom-info -pgo-memop-count-threshold=90 -pgo-memop-percent-threshold=15 -pass-remarks-with-hotness -pass-remarks-output=%t.opt.yaml -S | FileCheck %s --check-prefix=MEMOP_OPT
; RUN: FileCheck %s -input-file=%t.opt.yaml --check-prefix=YAML
; RUN: opt < %s -passes=pgo-memop-opt -verify-dom-info -pgo-memop-count-threshold=90 -pgo-memop-percent-threshold=15 -pass-remarks-with-hotness -pass-remarks-output=%t.opt.yaml -S | FileCheck %s --check-prefix=MEMOP_OPT
; RUN: FileCheck %s -input-file=%t.opt.yaml --check-prefix=YAML
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"
define void @foo(i8* %dst, i8* %src, i8* %dst2, i8* %src2, i32* %a, i32 %n) !prof !27 {
entry:
br label %for.cond
for.cond:
%i.0 = phi i32 [ 0, %entry ], [ %inc5, %for.inc4 ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end6, !prof !28
for.body:
br label %for.cond1
for.cond1:
%j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
%idx.ext = sext i32 %i.0 to i64
%add.ptr = getelementptr inbounds i32, i32* %a, i64 %idx.ext
%0 = load i32, i32* %add.ptr, align 4
%cmp2 = icmp slt i32 %j.0, %0
br i1 %cmp2, label %for.body3, label %for.end, !prof !29
for.body3:
%add = add nsw i32 %i.0, 1
%conv = sext i32 %add to i64
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %conv, i1 false), !prof !30
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst2, i8* %src2, i64 %conv, i1 false), !prof !31
br label %for.inc
; MEMOP_OPT: switch i64 %conv, label %[[DEFAULT_LABEL:.*]] [
; MEMOP_OPT: i64 1, label %[[CASE_1_LABEL:.*]]
; MEMOP_OPT: ], !prof [[SWITCH_BW:![0-9]+]]
; MEMOP_OPT: [[CASE_1_LABEL]]:
; MEMOP_OPT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 1, i1 false)
; MEMOP_OPT: br label %[[MERGE_LABEL:.*]]
; MEMOP_OPT: [[DEFAULT_LABEL]]:
; MEMOP_OPT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %conv, i1 false), !prof [[NEWVP:![0-9]+]]
; MEMOP_OPT: br label %[[MERGE_LABEL]]
; MEMOP_OPT: [[MERGE_LABEL]]:
; MEMOP_OPT: switch i64 %conv, label %[[DEFAULT_LABEL2:.*]] [
; MEMOP_OPT: i64 1, label %[[CASE_1_LABEL2:.*]]
; MEMOP_OPT: ], !prof [[SWITCH_BW:![0-9]+]]
; MEMOP_OPT: [[CASE_1_LABEL2]]:
; MEMOP_OPT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst2, i8* %src2, i64 1, i1 false)
; MEMOP_OPT: br label %[[MERGE_LABEL2:.*]]
; MEMOP_OPT: [[DEFAULT_LABEL2]]:
; MEMOP_OPT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst2, i8* %src2, i64 %conv, i1 false), !prof [[NEWVP]]
; MEMOP_OPT: br label %[[MERGE_LABEL2]]
; MEMOP_OPT: [[MERGE_LABEL2]]:
; MEMOP_OPT: br label %for.inc
; MEMOP_OPT: [[SWITCH_BW]] = !{!"branch_weights", i32 457, i32 99}
; Should be 457 total left (original total count 556, minus 99 from specialized
; value 1, which is removed from VP array. Also, we only end up with 5 total
; values, since the default max number of promotions is 5 and therefore
; the rest of the values are ignored when extracting the VP metadata.
; MEMOP_OPT: [[NEWVP]] = !{!"VP", i32 1, i64 457, i64 2, i64 88, i64 3, i64 77, i64 9, i64 72, i64 4, i64 66}
for.inc:
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end:
br label %for.inc4
for.inc4:
%inc5 = add nsw i32 %i.0, 1
br label %for.cond
for.end6:
ret void
}
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"ProfileSummary", !1}
!1 = !{!2, !3, !4, !5, !6, !7, !8, !9}
!2 = !{!"ProfileFormat", !"InstrProf"}
!3 = !{!"TotalCount", i64 579}
!4 = !{!"MaxCount", i64 556}
!5 = !{!"MaxInternalCount", i64 20}
!6 = !{!"MaxFunctionCount", i64 556}
!7 = !{!"NumCounts", i64 6}
!8 = !{!"NumFunctions", i64 3}
!9 = !{!"DetailedSummary", !10}
!10 = !{!11, !12, !13, !14, !15, !16, !16, !17, !17, !18, !19, !20, !21, !22, !23, !24, !25, !26}
!11 = !{i32 10000, i64 556, i32 1}
!12 = !{i32 100000, i64 556, i32 1}
!13 = !{i32 200000, i64 556, i32 1}
!14 = !{i32 300000, i64 556, i32 1}
!15 = !{i32 400000, i64 556, i32 1}
!16 = !{i32 500000, i64 556, i32 1}
!17 = !{i32 600000, i64 556, i32 1}
!18 = !{i32 700000, i64 556, i32 1}
!19 = !{i32 800000, i64 556, i32 1}
!20 = !{i32 900000, i64 556, i32 1}
!21 = !{i32 950000, i64 556, i32 1}
!22 = !{i32 990000, i64 20, i32 2}
!23 = !{i32 999000, i64 1, i32 5}
!24 = !{i32 999900, i64 1, i32 5}
!25 = !{i32 999990, i64 1, i32 5}
!26 = !{i32 999999, i64 1, i32 5}
!27 = !{!"function_entry_count", i64 1}
!28 = !{!"branch_weights", i32 20, i32 1}
!29 = !{!"branch_weights", i32 556, i32 20}
!30 = !{!"VP", i32 1, i64 556, i64 1, i64 99, i64 2, i64 88, i64 3, i64 77, i64 9, i64 72, i64 4, i64 66, i64 5, i64 55, i64 6, i64 44, i64 7, i64 33, i64 8, i64 22}
!31 = !{!"VP", i32 1, i64 556, i64 1, i64 99, i64 2, i64 88, i64 3, i64 77, i64 9, i64 72, i64 4, i64 66, i64 5, i64 55, i64 6, i64 44, i64 7, i64 33, i64 8, i64 22}
declare void @llvm.lifetime.start(i64, i8* nocapture)
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1)
declare void @llvm.lifetime.end(i64, i8* nocapture)
; YAML: --- !Passed
; YAML-NEXT: Pass: pgo-memop-opt
; YAML-NEXT: Name: memopt-opt
; YAML-NEXT: Function: foo
; YAML-NEXT: Hotness: 0
; YAML-NEXT: Args:
; YAML-NEXT: - String: 'optimized '
; YAML-NEXT: - Intrinsic: memcpy
; YAML-NEXT: - String: ' with count '
; YAML-NEXT: - Count: '99'
; YAML-NEXT: - String: ' out of '
; YAML-NEXT: - Total: '556'
; YAML-NEXT: - String: ' for '
; YAML-NEXT: - Versions: '1'
; YAML-NEXT: - String: ' versions'
; YAML-NEXT: ...
; YAML-NEXT: --- !Passed
; YAML-NEXT: Pass: pgo-memop-opt
; YAML-NEXT: Name: memopt-opt
; YAML-NEXT: Function: foo
; YAML-NEXT: Hotness: 0
; YAML-NEXT: Args:
; YAML-NEXT: - String: 'optimized '
; YAML-NEXT: - Intrinsic: memcpy
; YAML-NEXT: - String: ' with count '
; YAML-NEXT: - Count: '99'
; YAML-NEXT: - String: ' out of '
; YAML-NEXT: - Total: '556'
; YAML-NEXT: - String: ' for '
; YAML-NEXT: - Versions: '1'
; YAML-NEXT: - String: ' versions'
; YAML-NEXT: ...
|