forked from llvm/llvm-project
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathcoro-debug-dbg.values.ll
233 lines (189 loc) · 10 KB
/
coro-debug-dbg.values.ll
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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
; Tests whether resume function would remain dbg.value infomation.
; RUN: opt < %s -passes='function(coro-early),cgscc(coro-split,coro-split)' -S | FileCheck %s
;
; This file is based on coro-debug-frame-variable.ll.
; CHECK: define internal fastcc void @f.resume(%f.Frame* noalias nonnull align 16 dereferenceable(80) %FramePtr) !dbg ![[RESUME_FN_DBG_NUM:[0-9]+]]
; CHECK: init.ready:
; CHECK: call void @llvm.dbg.value(metadata %f.Frame** %FramePtr.debug, metadata ![[XVAR_RESUME:[0-9]+]],
; CHECK: await.ready:
; CHECK: call void @llvm.dbg.value(metadata %f.Frame** %FramePtr.debug, metadata ![[SPILL_RESUME:[0-9]+]]
; CHECK: call void @llvm.dbg.value(metadata %f.Frame** %FramePtr.debug, metadata ![[IVAR_RESUME:[0-9]+]], metadata !DIExpression(
; CHECK: call void @llvm.dbg.value(metadata %f.Frame** %FramePtr.debug, metadata ![[JVAR_RESUME:[0-9]+]], metadata !DIExpression(
;
; CHECK: ![[RESUME_FN_DBG_NUM]] = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov"
; CHECK: ![[IVAR_RESUME]] = !DILocalVariable(name: "i"
; CHECK: ![[XVAR_RESUME]] = !DILocalVariable(name: "x"
; CHECK: ![[JVAR_RESUME]] = !DILocalVariable(name: "j"
; CHECK: ![[SPILL_RESUME]] = !DILocalVariable(name: "produced"
source_filename = "../llvm/test/Transforms/Coroutines/coro-debug-dbg.values-O2.ll"
declare void @consume(i32)
define void @f(i32 %i, i32 %j) "coroutine.presplit"="0" !dbg !8 {
entry:
%__promise = alloca i8, align 8
%x = alloca [10 x i32], align 16
%produced = call i32 @value_producer()
%id = call token @llvm.coro.id(i32 16, i8* %__promise, i8* null, i8* null)
%alloc = call i1 @llvm.coro.alloc(token %id)
br i1 %alloc, label %coro.alloc, label %coro.init
coro.alloc: ; preds = %entry
%size = call i64 @llvm.coro.size.i64()
%memory = call i8* @new(i64 %size)
br label %coro.init
coro.init: ; preds = %coro.alloc, %entry
%phi.entry.alloc = phi i8* [ null, %entry ], [ %memory, %coro.alloc ]
%begin = call i8* @llvm.coro.begin(token %id, i8* %phi.entry.alloc)
%ready = call i1 @await_ready()
br i1 %ready, label %init.ready, label %init.suspend
init.suspend: ; preds = %coro.init
%save = call token @llvm.coro.save(i8* null)
call void @await_suspend()
%suspend = call i8 @llvm.coro.suspend(token %save, i1 false)
switch i8 %suspend, label %coro.ret [
i8 0, label %init.ready
i8 1, label %init.cleanup
]
init.cleanup: ; preds = %init.suspend
br label %cleanup
init.ready: ; preds = %init.suspend, %coro.init
call void @await_resume()
call void @llvm.dbg.value(metadata i32 0, metadata !6, metadata !DIExpression()), !dbg !11
%i.init.ready.inc = add nsw i32 0, 1
call void @llvm.dbg.value(metadata i32 %i.init.ready.inc, metadata !6, metadata !DIExpression()), !dbg !11
call void @llvm.dbg.value(metadata [10 x i32]* %x, metadata !12, metadata !DIExpression()), !dbg !17
%memset = bitcast [10 x i32]* %x to i8*, !dbg !17
call void @llvm.memset.p0i8.i64(i8* align 16 %memset, i8 0, i64 40, i1 false), !dbg !17
call void @print(i32 %i.init.ready.inc)
%ready.again = call zeroext i1 @await_ready()
br i1 %ready.again, label %await.ready, label %await.suspend
await.suspend: ; preds = %init.ready
%save.again = call token @llvm.coro.save(i8* null)
%from.address = call i8* @from_address(i8* %begin)
call void @await_suspend()
%suspend.again = call i8 @llvm.coro.suspend(token %save.again, i1 false)
switch i8 %suspend.again, label %coro.ret [
i8 0, label %await.ready
i8 1, label %await.cleanup
]
await.cleanup: ; preds = %await.suspend
br label %cleanup
await.ready: ; preds = %await.suspend, %init.ready
call void @await_resume()
call void @llvm.dbg.value(metadata i32 0, metadata !18, metadata !DIExpression()), !dbg !11
%arrayidx0 = getelementptr inbounds [10 x i32], [10 x i32]* %x, i64 0, i64 0, !dbg !19
store i32 1, i32* %arrayidx0, align 16, !dbg !20
%arrayidx1 = getelementptr inbounds [10 x i32], [10 x i32]* %x, i64 0, i64 1, !dbg !21
store i32 2, i32* %arrayidx1, align 4, !dbg !22
%i.await.ready.inc = add nsw i32 %i.init.ready.inc, 1
call void @consume(i32 %produced)
call void @consume(i32 %i)
call void @consume(i32 %j)
call void @llvm.dbg.value(metadata i32 %produced, metadata !23, metadata !DIExpression()), !dbg !11
call void @llvm.dbg.value(metadata i32 %i, metadata !6, metadata !DIExpression()), !dbg !11
call void @llvm.dbg.value(metadata i32 %j, metadata !18, metadata !DIExpression()), !dbg !11
call void @print(i32 %i.await.ready.inc)
call void @return_void()
br label %coro.final
coro.final: ; preds = %await.ready
call void @final_suspend()
%coro.final.await_ready = call i1 @await_ready()
br i1 %coro.final.await_ready, label %final.ready, label %final.suspend
final.suspend: ; preds = %coro.final
%final.suspend.coro.save = call token @llvm.coro.save(i8* null)
%final.suspend.from_address = call i8* @from_address(i8* %begin)
call void @await_suspend()
%final.suspend.coro.suspend = call i8 @llvm.coro.suspend(token %final.suspend.coro.save, i1 true)
switch i8 %final.suspend.coro.suspend, label %coro.ret [
i8 0, label %final.ready
i8 1, label %final.cleanup
]
final.cleanup: ; preds = %final.suspend
br label %cleanup
final.ready: ; preds = %final.suspend, %coro.final
call void @await_resume()
br label %cleanup
cleanup: ; preds = %final.ready, %final.cleanup, %await.cleanup, %init.cleanup
%cleanup.dest.slot.0 = phi i32 [ 0, %final.ready ], [ 2, %final.cleanup ], [ 2, %await.cleanup ], [ 2, %init.cleanup ]
%free.memory = call i8* @llvm.coro.free(token %id, i8* %begin)
%free = icmp ne i8* %free.memory, null
br i1 %free, label %coro.free, label %after.coro.free
coro.free: ; preds = %cleanup
call void @delete(i8* %free.memory)
br label %after.coro.free
after.coro.free: ; preds = %coro.free, %cleanup
switch i32 %cleanup.dest.slot.0, label %unreachable [
i32 0, label %cleanup.cont
i32 2, label %coro.ret
]
cleanup.cont: ; preds = %after.coro.free
br label %coro.ret
coro.ret: ; preds = %cleanup.cont, %after.coro.free, %final.suspend, %await.suspend, %init.suspend
%end = call i1 @llvm.coro.end(i8* null, i1 false)
ret void
unreachable: ; preds = %after.coro.free
unreachable
}
; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
; Function Attrs: argmemonly nounwind readonly
declare token @llvm.coro.id(i32, i8* readnone, i8* nocapture readonly, i8*) #1
; Function Attrs: nounwind
declare i1 @llvm.coro.alloc(token) #2
; Function Attrs: nounwind readnone
declare i64 @llvm.coro.size.i64() #3
; Function Attrs: nounwind
declare token @llvm.coro.save(i8*) #2
; Function Attrs: nounwind
declare i8* @llvm.coro.begin(token, i8* writeonly) #2
; Function Attrs: nounwind
declare i8 @llvm.coro.suspend(token, i1) #2
; Function Attrs: argmemonly nounwind readonly
declare i8* @llvm.coro.free(token, i8* nocapture readonly) #1
; Function Attrs: nounwind
declare i1 @llvm.coro.end(i8*, i1) #2
declare i8* @new(i64)
declare void @delete(i8*)
declare i1 @await_ready()
declare void @await_suspend()
declare void @await_resume()
declare void @print(i32)
declare i8* @from_address(i8*)
declare void @return_void()
declare void @final_suspend()
declare i32 @value_producer()
; Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1 immarg) #4
; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
declare void @llvm.dbg.value(metadata, metadata, metadata) #0
attributes #0 = { nofree nosync nounwind readnone speculatable willreturn }
attributes #1 = { argmemonly nounwind readonly }
attributes #2 = { nounwind }
attributes #3 = { nounwind readnone }
attributes #4 = { argmemonly nofree nosync nounwind willreturn writeonly }
!llvm.dbg.cu = !{!0}
!llvm.linker.options = !{}
!llvm.module.flags = !{!3, !4}
!llvm.ident = !{!5}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 11.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "repro.cpp", directory: ".")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{!"clang version 11.0.0"}
!6 = !DILocalVariable(name: "i", scope: !7, file: !1, line: 24, type: !10)
!7 = distinct !DILexicalBlock(scope: !8, file: !1, line: 23, column: 12)
!8 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 23, type: !9, scopeLine: 23, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!9 = !DISubroutineType(types: !2)
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!11 = !DILocation(line: 0, scope: !7)
!12 = !DILocalVariable(name: "x", scope: !13, file: !1, line: 34, type: !14)
!13 = distinct !DILexicalBlock(scope: !8, file: !1, line: 23, column: 12)
!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, size: 320, elements: !15)
!15 = !{!16}
!16 = !DISubrange(count: 10)
!17 = !DILocation(line: 24, column: 7, scope: !7)
!18 = !DILocalVariable(name: "j", scope: !7, file: !1, line: 32, type: !10)
!19 = !DILocation(line: 42, column: 3, scope: !7)
!20 = !DILocation(line: 42, column: 8, scope: !7)
!21 = !DILocation(line: 43, column: 3, scope: !7)
!22 = !DILocation(line: 43, column: 8, scope: !7)
!23 = !DILocalVariable(name: "produced", scope: !7, file: !1, line:24, type: !10)