File: inline-replay.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (210 lines) | stat: -rw-r--r-- 16,697 bytes parent folder | download | duplicates (3)
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
;; Note that this needs new pass manager for now. Passing `-sample-profile-inline-replay` to legacy pass manager is a no-op.

;; Check baseline inline decisions
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=DEFAULT %s

;; Check replay inline decisions
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-scope=Module -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL %s

;; Check baseline inline decisions with all callee counts missing
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown-missing.prof -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=DEFAULT-NOINLINING -allow-empty %s

;; Check replay inline decisions with all callee counts missing. The call sites should still be passed to the replay advisor and successfully get inlined as before
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown-missing.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-scope=Module -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-MISSING %s

;; Check baseline inline decisions with high threshold
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -profile-summary-hot-count=500000 -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=DEFAULT-NOINLINING -allow-empty %s

;; Check replay inline decisions with high threshold. The call sites should still be passed to the replay advisor and successfully get inlined as before
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -profile-summary-hot-count=500000 -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-scope=Module -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL -allow-empty %s

;; Check Module scope Original fallback replay inline decisions
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-scope=Module -sample-profile-inline-replay-fallback=Original -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL %s

;; Check Module scope Original fallback replay inline with 'Line' format decisions
;; The results are not different than REPLAY-MODULE-ORIGINAL, but the replay input only contains line numbers rather than line:column.discriminator
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay-line.txt -sample-profile-inline-replay-scope=Module -sample-profile-inline-replay-fallback=Original -sample-profile-inline-replay-format=Line -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL %s

;; Check Module scope Original fallback replay inline with 'LineColumn' format decisions
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay-linecolumn.txt -sample-profile-inline-replay-scope=Module -sample-profile-inline-replay-fallback=Original -sample-profile-inline-replay-format=LineColumn -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL %s

;; Check Module scope Original fallback replay inline with 'LineDiscriminator' format decisions
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay-linediscriminator.txt -sample-profile-inline-replay-scope=Module -sample-profile-inline-replay-fallback=Original -sample-profile-inline-replay-format=LineDiscriminator -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ORIGINAL %s

;; Check Module scope AlwaysInline fallback replay inline decisions
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-scope=Module -sample-profile-inline-replay-fallback=AlwaysInline -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-ALWAYS %s

;; Check Module scope NeverInline fallback replay inline decisions
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-scope=Module -sample-profile-inline-replay-fallback=NeverInline -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-MODULE-NEVER %s

;; Check baseline inline decisions with "inline-topdown-inline-all.prof" which inlines all sites
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown-inline-all.prof -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=DEFAULT-ALL %s

;; Check function scope replay inline decisions with "inline-topdown-inline-all.prof" and "inline-topdown-function-scope.txt" which only contains: '_Z3sumii' inlined into 'main'
;; 1. _Z3sumii is inlined into main, but all other inline candidates in main (e.g. _Z3subii) are not inlined
;; 2. Inline decisions made in other functions match default sample inlining, in this case _Z3subii is inlined into _Z3sumii
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown-inline-all.prof -sample-profile-inline-replay=%S/Inputs/inline-replay-function.txt -sample-profile-inline-replay-scope=Function -sample-profile-inline-replay-fallback=NeverInline -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ALL-FUNCTION-NEVER %s

;; Function scope Original fallback
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown-inline-all.prof -sample-profile-inline-replay=%S/Inputs/inline-replay-function.txt -sample-profile-inline-replay-scope=Function -sample-profile-inline-replay-fallback=Original -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ALL-FUNCTION-ORIGINAL %s

;; Function scope AlwaysInline fallback
; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown-inline-all.prof -sample-profile-inline-replay=%S/Inputs/inline-replay-function.txt -sample-profile-inline-replay-scope=Function -sample-profile-inline-replay-fallback=AlwaysInline -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ALL-FUNCTION-ALWAYS %s

;; Check behavior on non-existent replay file
; RUN: not opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/non-existent-dummy.txt -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR %s

;; Check scope inlining errors out on non <Module|Function> inputs
; RUN: not opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-scope=function -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR-SCOPE %s

;; Check fallback inlining errors out on non <Original|AlwaysInline|NeverInline> inputs
; RUN: not opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-fallback=original -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR-FALLBACK %s

;; Check format inlining errors out on non <Line|LineColumn|LineDiscriminator|LineColumnDiscriminator> inputs
; RUN: not opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/inline-topdown.prof -sample-profile-inline-replay=%S/Inputs/inline-replay.txt -sample-profile-inline-replay-format=line -sample-profile-merge-inlinee -sample-profile-top-down-load -pass-remarks=inline --disable-output 2>&1 | FileCheck -check-prefix=REPLAY-ERROR-FORMAT %s


; DEFAULT: '_Z3sumii' inlined into 'main' to match profiling context with (cost={{[-0-9]+}}
; DEFAULT: '_Z3subii' inlined into '_Z3sumii' to match profiling context with (cost={{[-0-9]+}}
; DEFAULT-NOT: '_Z3subii' inlined into 'main'

; REPLAY-MODULE-MISSING: '_Z3sumii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-MODULE-MISSING-NOT: inlined into

; REPLAY-MODULE-ORIGINAL: '_Z3sumii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-MODULE-ORIGINAL: '_Z3subii' inlined into 'main' to match profiling context with (cost={{[-0-9]+}}

; REPLAY-MODULE-ALWAYS: '_Z3sumii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-MODULE-ALWAYS: '_Z3subii' inlined into 'main' to match profiling context with (cost=always)

; REPLAY-MODULE-NEVER: '_Z3sumii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-MODULE-NEVER-NOT: '_Z3subii' inlined into 'main'

; DEFAULT-NOINLINING-NOT: inlined into

; DEFAULT-ALL: '_Z3sumii' inlined into 'main' to match profiling context with (cost={{[-0-9]+}}
; DEFAULT-ALL: '_Z3subii' inlined into 'main' to match profiling context with (cost={{[-0-9]+}}
; DEFAULT-ALL: '_Z3subii' inlined into '_Z3sumii' to match profiling context with (cost={{[-0-9]+}}

; REPLAY-ALL-FUNCTION-NEVER: _Z3sumii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-ALL-FUNCTION-NEVER-NOT: '_Z3subii' inlined into 'main' to match profiling context with (cost={{[-0-9]+}}
; REPLAY-ALL-FUNCTION-NEVER: '_Z3subii' inlined into '_Z3sumii' to match profiling context with (cost={{[-0-9]+}}

; REPLAY-ALL-FUNCTION-ORIGINAL: _Z3sumii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-ALL-FUNCTION-ORIGINAL: '_Z3subii' inlined into 'main' to match profiling context with (cost={{[-0-9]+}}
; REPLAY-ALL-FUNCTION-ORIGINAL: '_Z3subii' inlined into '_Z3sumii' to match profiling context with (cost={{[-0-9]+}}

; REPLAY-ALL-FUNCTION-ALWAYS: _Z3sumii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-ALL-FUNCTION-ALWAYS: '_Z3subii' inlined into 'main' to match profiling context with (cost=always)
; REPLAY-ALL-FUNCTION-ALWAYS: '_Z3subii' inlined into '_Z3sumii' to match profiling context with (cost={{[-0-9]+}}

; REPLAY-ERROR: error: Could not open remarks file:
; REPLAY-ERROR-SCOPE: for the --sample-profile-inline-replay-scope option: Cannot find option named 'function'!
; REPLAY-ERROR-FALLBACK: for the --sample-profile-inline-replay-fallback option: Cannot find option named 'original'!
; REPLAY-ERROR-FORMAT: for the --sample-profile-inline-replay-format option: Cannot find option named 'line'!

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

define i32 @_Z3sumii(i32 %x, i32 %y) #0 !dbg !6 {
entry:
  %x.addr = alloca i32, align 4
  %y.addr = alloca i32, align 4
  store i32 %x, i32* %x.addr, align 4
  store i32 %y, i32* %y.addr, align 4
  %tmp = load i32, i32* %x.addr, align 4, !dbg !8
  %tmp1 = load i32, i32* %y.addr, align 4, !dbg !8
  %add = add nsw i32 %tmp, %tmp1, !dbg !8
  %tmp2 = load i32, i32* %x.addr, align 4, !dbg !8
  %tmp3 = load i32, i32* %y.addr, align 4, !dbg !8
  %call = call i32 @_Z3subii(i32 %tmp2, i32 %tmp3), !dbg !8
  ret i32 %add, !dbg !8
}

define i32 @_Z3subii(i32 %x, i32 %y) #0 !dbg !9 {
entry:
  %x.addr = alloca i32, align 4
  %y.addr = alloca i32, align 4
  store i32 %x, i32* %x.addr, align 4
  store i32 %y, i32* %y.addr, align 4
  %tmp = load i32, i32* %x.addr, align 4, !dbg !10
  %tmp1 = load i32, i32* %y.addr, align 4, !dbg !10
  %add = sub nsw i32 %tmp, %tmp1, !dbg !10
  ret i32 %add, !dbg !11
}

define i32 @main() #0 !dbg !12 {
entry:
  %retval = alloca i32, align 4
  %s = alloca i32, align 4
  %i = alloca i32, align 4
  store i32 0, i32* %retval
  store i32 0, i32* %i, align 4, !dbg !13
  br label %while.cond, !dbg !14

while.cond:                                       ; preds = %if.end, %entry
  %tmp = load i32, i32* %i, align 4, !dbg !15
  %inc = add nsw i32 %tmp, 1, !dbg !15
  store i32 %inc, i32* %i, align 4, !dbg !15
  %cmp = icmp slt i32 %tmp, 400000000, !dbg !15
  br i1 %cmp, label %while.body, label %while.end, !dbg !15

while.body:                                       ; preds = %while.cond
  %tmp1 = load i32, i32* %i, align 4, !dbg !17
  %cmp1 = icmp ne i32 %tmp1, 100, !dbg !17
  br i1 %cmp1, label %if.then, label %if.else, !dbg !17

if.then:                                          ; preds = %while.body
  %tmp2 = load i32, i32* %i, align 4, !dbg !19
  %tmp3 = load i32, i32* %s, align 4, !dbg !19
  %call = call i32 @_Z3sumii(i32 %tmp2, i32 %tmp3), !dbg !19
  store i32 %call, i32* %s, align 4, !dbg !19
  br label %if.end, !dbg !19

if.else:                                          ; preds = %while.body
  store i32 30, i32* %s, align 4, !dbg !21
  br label %if.end

if.end:                                           ; preds = %if.else, %if.then
  br label %while.cond, !dbg !23

while.end:                                        ; preds = %while.cond
  %tmp4 = load i32, i32* %s, align 4, !dbg !25
  %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str, i32 0, i32 0), i32 %tmp4), !dbg !25
  ret i32 0, !dbg !26
}

declare i32 @printf(i8*, ...)

attributes #0 = { "use-sample-profile" }

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

!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
!1 = !DIFile(filename: "calls.cc", directory: ".")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 1, !"Debug Info Version", i32 3}
!5 = !{!"clang version 3.5 "}
!6 = distinct !DISubprogram(name: "sum", linkageName: "_Z3sumii", scope: !1, file: !1, line: 3, type: !7, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!7 = !DISubroutineType(types: !2)
!8 = !DILocation(line: 4, scope: !6)
!9 = distinct !DISubprogram(name: "sub", linkageName: "_Z3subii", scope: !1, file: !1, line: 20, type: !7, scopeLine: 20, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!10 = !DILocation(line: 20, scope: !9)
!11 = !DILocation(line: 21, scope: !9)
!12 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !7, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!13 = !DILocation(line: 8, scope: !12)
!14 = !DILocation(line: 9, scope: !12)
!15 = !DILocation(line: 9, scope: !16)
!16 = !DILexicalBlockFile(scope: !12, file: !1, discriminator: 2)
!17 = !DILocation(line: 10, scope: !18)
!18 = distinct !DILexicalBlock(scope: !12, file: !1, line: 10)
!19 = !DILocation(line: 10, scope: !20)
!20 = !DILexicalBlockFile(scope: !18, file: !1, discriminator: 2)
!21 = !DILocation(line: 10, scope: !22)
!22 = !DILexicalBlockFile(scope: !18, file: !1, discriminator: 4)
!23 = !DILocation(line: 10, scope: !24)
!24 = !DILexicalBlockFile(scope: !18, file: !1, discriminator: 6)
!25 = !DILocation(line: 11, scope: !12)
!26 = !DILocation(line: 12, scope: !12)