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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
; Just run it through opt, no passes needed.
; RUN: opt < %s -S | FileCheck %s
; ModuleID = 'various_ir_values.c'
source_filename = "various_ir_values.c"
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"
; Function Attrs: nounwind uwtable
define dso_local void @foo(i32* %A) #0 !dbg !7 {
; CHECK-LABEL: define {{[^@]+}}@foo
; CHECK-SAME: (i32* [[A:%.*]]) #[[ATTR0:[0-9]+]] !dbg [[DBG7:![0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32*, align 8
; CHECK-NEXT: [[I:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32* [[A]], i32** [[A_ADDR]], align 8, !tbaa [[TBAA16:![0-9]+]]
; CHECK-NEXT: call void @llvm.dbg.declare(metadata i32** [[A_ADDR]], metadata [[META13:![0-9]+]], metadata !DIExpression()), !dbg [[DBG20:![0-9]+]]
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG21:![0-9]+]]
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* [[TMP0]]) #[[ATTR3:[0-9]+]], !dbg [[DBG21]]
; CHECK-NEXT: call void @llvm.dbg.declare(metadata i32* [[I]], metadata [[META14:![0-9]+]], metadata !DIExpression()), !dbg [[DBG22:![0-9]+]]
; CHECK-NEXT: store i32 0, i32* [[I]], align 4, !dbg [[DBG22]], !tbaa [[TBAA23:![0-9]+]]
; CHECK-NEXT: br label [[FOR_COND:%.*]], !dbg [[DBG21]]
; CHECK: for.cond:
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG25:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[TMP2:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG27:![0-9]+]], !tbaa [[TBAA16]]
; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4, !dbg [[DBG28:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP1]], [[TMP3]], !dbg [[DBG29:![0-9]+]]
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]], !dbg [[DBG30:![0-9]+]], !prof [[PROF31:![0-9]+]]
; CHECK: for.cond.cleanup:
; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG32:![0-9]+]]
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* [[TMP4]]) #[[ATTR3]], !dbg [[DBG32]]
; CHECK-NEXT: br label [[FOR_END:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[TMP5:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG33:![0-9]+]], !tbaa [[TBAA16]]
; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG34:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP6]] to i64, !dbg [[DBG33]]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i64 [[IDXPROM]], !dbg [[DBG33]]
; CHECK-NEXT: store i32 0, i32* [[ARRAYIDX]], align 4, !dbg [[DBG35:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: br label [[FOR_INC:%.*]], !dbg [[DBG33]]
; CHECK: for.inc:
; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG36:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[TMP7]], 1, !dbg [[DBG36]]
; CHECK-NEXT: store i32 [[INC]], i32* [[I]], align 4, !dbg [[DBG36]], !tbaa [[TBAA23]]
; CHECK-NEXT: br label [[FOR_COND]], !dbg [[DBG32]], !llvm.loop [[LOOP37:![0-9]+]]
; CHECK: for.end:
; CHECK-NEXT: ret void, !dbg [[DBG39:![0-9]+]]
;
entry:
%A.addr = alloca i32*, align 8
%i = alloca i32, align 4
store i32* %A, i32** %A.addr, align 8, !tbaa !16
call void @llvm.dbg.declare(metadata i32** %A.addr, metadata !13, metadata !DIExpression()), !dbg !20
%0 = bitcast i32* %i to i8*, !dbg !21
call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #3, !dbg !21
call void @llvm.dbg.declare(metadata i32* %i, metadata !14, metadata !DIExpression()), !dbg !22
store i32 0, i32* %i, align 4, !dbg !22, !tbaa !23
br label %for.cond, !dbg !21
for.cond: ; preds = %for.inc, %entry
%1 = load i32, i32* %i, align 4, !dbg !25, !tbaa !23
%2 = load i32*, i32** %A.addr, align 8, !dbg !27, !tbaa !16
%3 = load i32, i32* %2, align 4, !dbg !28, !tbaa !23
%cmp = icmp slt i32 %1, %3, !dbg !29
br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !30, !prof !61
for.cond.cleanup: ; preds = %for.cond
%4 = bitcast i32* %i to i8*, !dbg !31
call void @llvm.lifetime.end.p0i8(i64 4, i8* %4) #3, !dbg !31
br label %for.end
for.body: ; preds = %for.cond
%5 = load i32*, i32** %A.addr, align 8, !dbg !32, !tbaa !16
%6 = load i32, i32* %i, align 4, !dbg !33, !tbaa !23
%idxprom = sext i32 %6 to i64, !dbg !32
%arrayidx = getelementptr inbounds i32, i32* %5, i64 %idxprom, !dbg !32
store i32 0, i32* %arrayidx, align 4, !dbg !34, !tbaa !23
br label %for.inc, !dbg !32
for.inc: ; preds = %for.body
%7 = load i32, i32* %i, align 4, !dbg !35, !tbaa !23
%inc = add nsw i32 %7, 1, !dbg !35
store i32 %inc, i32* %i, align 4, !dbg !35, !tbaa !23
br label %for.cond, !dbg !31, !llvm.loop !36
for.end: ; preds = %for.cond.cleanup
ret void, !dbg !38
}
; Function Attrs: nounwind readnone speculatable willreturn
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: argmemonly nounwind willreturn
declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #2
; Function Attrs: argmemonly nounwind willreturn
declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #2
; Function Attrs: nounwind uwtable
define dso_local void @bar(i32* %A) #0 !dbg !39 {
; CHECK-LABEL: define {{[^@]+}}@bar
; CHECK-SAME: (i32* [[A:%.*]]) #[[ATTR0]] !dbg [[DBG40:![0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[A_ADDR:%.*]] = alloca i32*, align 8
; CHECK-NEXT: [[I:%.*]] = alloca i32, align 4
; CHECK-NEXT: store i32* [[A]], i32** [[A_ADDR]], align 8, !tbaa [[TBAA16]]
; CHECK-NEXT: call void @llvm.dbg.declare(metadata i32** [[A_ADDR]], metadata [[META42:![0-9]+]], metadata !DIExpression()), !dbg [[DBG45:![0-9]+]]
; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG46:![0-9]+]]
; CHECK-NEXT: call void @llvm.lifetime.start.p0i8(i64 4, i8* [[TMP0]]) #[[ATTR3]], !dbg [[DBG46]]
; CHECK-NEXT: call void @llvm.dbg.declare(metadata i32* [[I]], metadata [[META43:![0-9]+]], metadata !DIExpression()), !dbg [[DBG47:![0-9]+]]
; CHECK-NEXT: store i32 0, i32* [[I]], align 4, !dbg [[DBG47]], !tbaa [[TBAA23]]
; CHECK-NEXT: br label [[FOR_COND:%.*]], !dbg [[DBG46]]
; CHECK: for.cond:
; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG48:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[TMP2:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG50:![0-9]+]], !tbaa [[TBAA16]]
; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4, !dbg [[DBG51:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[TMP1]], [[TMP3]], !dbg [[DBG52:![0-9]+]]
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]], !dbg [[DBG53:![0-9]+]]
; CHECK: for.cond.cleanup:
; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG54:![0-9]+]]
; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 4, i8* [[TMP4]]) #[[ATTR3]], !dbg [[DBG54]]
; CHECK-NEXT: br label [[FOR_END:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[TMP5:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG55:![0-9]+]], !tbaa [[TBAA16]]
; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG56:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP6]] to i64, !dbg [[DBG55]]
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i64 [[IDXPROM]], !dbg [[DBG55]]
; CHECK-NEXT: store i32 0, i32* [[ARRAYIDX]], align 4, !dbg [[DBG57:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: br label [[FOR_INC:%.*]], !dbg [[DBG55]]
; CHECK: for.inc:
; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG58:![0-9]+]], !tbaa [[TBAA23]]
; CHECK-NEXT: [[INC:%.*]] = add nsw i32 [[TMP7]], 1, !dbg [[DBG58]]
; CHECK-NEXT: store i32 [[INC]], i32* [[I]], align 4, !dbg [[DBG58]], !tbaa [[TBAA23]]
; CHECK-NEXT: br label [[FOR_COND]], !dbg [[DBG54]], !llvm.loop [[LOOP59:![0-9]+]]
; CHECK: for.end:
; CHECK-NEXT: ret void, !dbg [[DBG61:![0-9]+]]
;
entry:
%A.addr = alloca i32*, align 8
%i = alloca i32, align 4
store i32* %A, i32** %A.addr, align 8, !tbaa !16
call void @llvm.dbg.declare(metadata i32** %A.addr, metadata !41, metadata !DIExpression()), !dbg !44
%0 = bitcast i32* %i to i8*, !dbg !45
call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #3, !dbg !45
call void @llvm.dbg.declare(metadata i32* %i, metadata !42, metadata !DIExpression()), !dbg !46
store i32 0, i32* %i, align 4, !dbg !46, !tbaa !23
br label %for.cond, !dbg !45
for.cond: ; preds = %for.inc, %entry
%1 = load i32, i32* %i, align 4, !dbg !47, !tbaa !23
%2 = load i32*, i32** %A.addr, align 8, !dbg !49, !tbaa !16
%3 = load i32, i32* %2, align 4, !dbg !50, !tbaa !23
%cmp = icmp slt i32 %1, %3, !dbg !51
br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !52
for.cond.cleanup: ; preds = %for.cond
%4 = bitcast i32* %i to i8*, !dbg !53
call void @llvm.lifetime.end.p0i8(i64 4, i8* %4) #3, !dbg !53
br label %for.end
for.body: ; preds = %for.cond
%5 = load i32*, i32** %A.addr, align 8, !dbg !54, !tbaa !16
%6 = load i32, i32* %i, align 4, !dbg !55, !tbaa !23
%idxprom = sext i32 %6 to i64, !dbg !54
%arrayidx = getelementptr inbounds i32, i32* %5, i64 %idxprom, !dbg !54
store i32 0, i32* %arrayidx, align 4, !dbg !56, !tbaa !23
br label %for.inc, !dbg !54
for.inc: ; preds = %for.body
%7 = load i32, i32* %i, align 4, !dbg !57, !tbaa !23
%inc = add nsw i32 %7, 1, !dbg !57
store i32 %inc, i32* %i, align 4, !dbg !57, !tbaa !23
br label %for.cond, !dbg !53, !llvm.loop !58
for.end: ; preds = %for.cond.cleanup
ret void, !dbg !60
}
attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="ieee,ieee" "denormal-fp-math-f32"="ieee,ieee" "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 = { nounwind readnone speculatable willreturn }
attributes #2 = { argmemonly nounwind willreturn }
attributes #3 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (git@github.com:llvm/llvm-project.git 1d5da8cd30fce1c0a2c2fa6ba656dbfaa36192c8)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
!1 = !DIFile(filename: "various_ir_values.c", directory: "/data/build/llvm-project")
!2 = !{}
!3 = !{i32 7, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{!"clang version 11.0.0 (git@github.com:llvm/llvm-project.git 1d5da8cd30fce1c0a2c2fa6ba656dbfaa36192c8)"}
!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12)
!8 = !DISubroutineType(types: !9)
!9 = !{null, !10}
!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!12 = !{!13, !14}
!13 = !DILocalVariable(name: "A", arg: 1, scope: !7, file: !1, line: 1, type: !10)
!14 = !DILocalVariable(name: "i", scope: !15, file: !1, line: 3, type: !11)
!15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 3, column: 3)
!16 = !{!17, !17, i64 0}
!17 = !{!"any pointer", !18, i64 0}
!18 = !{!"omnipotent char", !19, i64 0}
!19 = !{!"Simple C/C++ TBAA"}
!20 = !DILocation(line: 1, column: 15, scope: !7)
!21 = !DILocation(line: 3, column: 8, scope: !15)
!22 = !DILocation(line: 3, column: 12, scope: !15)
!23 = !{!24, !24, i64 0}
!24 = !{!"int", !18, i64 0}
!25 = !DILocation(line: 3, column: 19, scope: !26)
!26 = distinct !DILexicalBlock(scope: !15, file: !1, line: 3, column: 3)
!27 = !DILocation(line: 3, column: 24, scope: !26)
!28 = !DILocation(line: 3, column: 23, scope: !26)
!29 = !DILocation(line: 3, column: 21, scope: !26)
!30 = !DILocation(line: 3, column: 3, scope: !15)
!31 = !DILocation(line: 3, column: 3, scope: !26)
!32 = !DILocation(line: 4, column: 5, scope: !26)
!33 = !DILocation(line: 4, column: 7, scope: !26)
!34 = !DILocation(line: 4, column: 10, scope: !26)
!35 = !DILocation(line: 3, column: 27, scope: !26)
!36 = distinct !{!36, !30, !37}
!37 = !DILocation(line: 4, column: 12, scope: !15)
!38 = !DILocation(line: 5, column: 1, scope: !7)
!39 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 7, type: !8, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !40)
!40 = !{!41, !42}
!41 = !DILocalVariable(name: "A", arg: 1, scope: !39, file: !1, line: 7, type: !10)
!42 = !DILocalVariable(name: "i", scope: !43, file: !1, line: 9, type: !11)
!43 = distinct !DILexicalBlock(scope: !39, file: !1, line: 9, column: 3)
!44 = !DILocation(line: 7, column: 15, scope: !39)
!45 = !DILocation(line: 9, column: 8, scope: !43)
!46 = !DILocation(line: 9, column: 12, scope: !43)
!47 = !DILocation(line: 9, column: 19, scope: !48)
!48 = distinct !DILexicalBlock(scope: !43, file: !1, line: 9, column: 3)
!49 = !DILocation(line: 9, column: 24, scope: !48)
!50 = !DILocation(line: 9, column: 23, scope: !48)
!51 = !DILocation(line: 9, column: 21, scope: !48)
!52 = !DILocation(line: 9, column: 3, scope: !43)
!53 = !DILocation(line: 9, column: 3, scope: !48)
!54 = !DILocation(line: 10, column: 5, scope: !48)
!55 = !DILocation(line: 10, column: 7, scope: !48)
!56 = !DILocation(line: 10, column: 10, scope: !48)
!57 = !DILocation(line: 9, column: 27, scope: !48)
!58 = distinct !{!58, !52, !59}
!59 = !DILocation(line: 10, column: 12, scope: !43)
!60 = !DILocation(line: 11, column: 1, scope: !39)
!61 = !{!"branch_weights", i32 1, i32 1048575}
|
