aboutsummaryrefslogtreecommitdiff
path: root/llvm/test/DebugInfo/assignment-tracking/X86/nested-loop-frags.ll
blob: 6e066fa90f4cb5fcb2a5015d182b4f9f271aca2a (plain)
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
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
; RUN: llc %s -stop-after=finalize-isel -o - \
; RUN: | FileCheck %s --implicit-check-not=DBG

;; Test a variety of block inputs and lattice configurations for the assignment
;; tracking analysis (debug-ata). This is similar to nested-loop.ll and
;; nested-loop-sroa.ll except that the allocas are 64 bits and the stores are a
;; mix of 32 and 64 bits. Unlike nested-loop-sroa.ll this one is not a clone
;; of nested-loop.ll.

;; The CFG looks like this:
;;     entry
;;     |
;;     v
;;     do.body <-----+
;;     |             |
;;     V             |
;;     do.body1 <--+ |
;;    / \          | |
;;   /   \         | |
;;  /     \        | |
;; v       v       | |
;; if.then if.else | |
;;  \      /       | |
;;   \    /        | |
;;    \  /         | |
;;     do.cond ----+ |
;;     |             |
;;     v             |
;;     do.cond4 -----+
;;     |
;;     v
;;     do.end6

;; This version doesn't contain tables of assignments as it is difficult to neatly represent
;; the additional dimension of fragments (stores to part of the variable/alloca).

;; Variable 'a' (!21)
;; Check that both the full assignment (!70) assignment to the lower bits (and !63) are
;; propagated to do.end6.
;;
;; Variable 'b' (!22)
;; Check mem=dbg assignment to the lower 32 bits in if.then causes a mem=phi (tested by
;; looking for value-based DBG_VALUE in do.end6). Meanwhile, check the assignment (!71)
;; is propagated to do.end6 for the upper bits (checked by looking for a memory location).
;;
;; Variable 'c' (!67)
;; Check initial dbg and mem assignment values are propagated through all blocks, with
;; dbg defs with the inital assignment ID put in do.cond and do.end6 (variable is always
;; in memory). The initial mem and dbg defs are to the whole variable, and the subsequent
;; dbg defs come in pairs, split for the high and low bits of the variable.
;;
;; Variable 'd' (!72)
;; Same as above, except the dbg def in do.cond has been split into two assignments
;; that both use the same ID as the inital one - one fragment is assigned in each of
;; the if-branches.
;;
;; Variable 'e' (!75)
;; The join in do.body covers assignments to different fragments. Out of entry
;; we have [0-31: mem=!77 dbg=!78 loc=val] [32-63: mem=!77 dbg=!76 loc=val].
;; There's a tagged store to the lower bits in if.then and an untagged store to
;; the upper bits in if.else. The important check here is that in do.body the
;; memory location isn't used at the dbg def !77 as the live-in loc=val and the
;; incoming mem assignments are not all !77.

; CHECK-DAG: ![[a:[0-9]+]] = !DILocalVariable(name: "a",
; CHECK-DAG: ![[b:[0-9]+]] = !DILocalVariable(name: "b",
; CHECK-DAG: ![[c:[0-9]+]] = !DILocalVariable(name: "c",
; CHECK-DAG: ![[d:[0-9]+]] = !DILocalVariable(name: "d",
; CHECK-DAG: ![[e:[0-9]+]] = !DILocalVariable(name: "e",

;; Variables 'c' (!67) and 'd' (!72) are always stack-homed.
; CHECK:      - { id: 2, name: c.addr, type: default, offset: 0, size: 8, alignment: 8,
; CHECK-NEXT:     stack-id: default, callee-saved-register: '', callee-saved-restored: true,
; CHECK-NEXT:     debug-info-variable: '![[c]]', debug-info-expression: '!DIExpression()',
; CHECK:      - { id: 3, name: d.addr, type: default, offset: 0, size: 8, alignment: 8,
; CHECK-NEXT:     stack-id: default, callee-saved-register: '', callee-saved-restored: true,
; CHECK-NEXT:     debug-info-variable: '![[d]]', debug-info-expression: '!DIExpression()',

source_filename = "test.cpp"
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"

@g_a = dso_local local_unnamed_addr global i32 0, align 4, !dbg !0
@g_b = dso_local local_unnamed_addr global i32 0, align 4, !dbg !5
@g_c = dso_local local_unnamed_addr global i32 0, align 4, !dbg !8

define dso_local noundef i32 @_Z3funii(i32 noundef %a, i32 noundef %b) local_unnamed_addr #0 !dbg !17 {
entry:
  %a.addr = alloca i64, align 8, !DIAssignID !58 ; VAR:a
  call void @llvm.dbg.assign(metadata i1 undef, metadata !21, metadata !DIExpression(), metadata !58, metadata ptr %a.addr, metadata !DIExpression()), !dbg !27 ; VAR:a
  %b.addr = alloca i64, align 8, !DIAssignID !64 ; VAR:b
  call void @llvm.dbg.assign(metadata i1 undef, metadata !22, metadata !DIExpression(), metadata !64, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b
  %c.addr = alloca i64, align 8, !DIAssignID !68 ; VAR:c
  call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(), metadata !68, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c
  %d.addr = alloca i64, align 8, !DIAssignID !73 ; VAR:d
  call void @llvm.dbg.assign(metadata i1 undef, metadata !72, metadata !DIExpression(), metadata !73, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d
  %e.addr = alloca i64, align 8, !DIAssignID !76 ; VAR:e
  call void @llvm.dbg.assign(metadata i1 undef, metadata !75, metadata !DIExpression(), metadata !76, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e
  ;%f.addr = alloca i64, align 8, !DIAssignID !80 ; VAR:f
  ;call void @llvm.dbg.assign(metadata i1 undef, metadata !79, metadata !DIExpression(), metadata !80, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f
  store i64 1, ptr %a.addr, !DIAssignID !70 ; VAR:a
  call void @llvm.dbg.assign(metadata i64 1, metadata !21, metadata !DIExpression(), metadata !70, metadata ptr %a.addr, metadata !DIExpression()), !dbg !27 ; VAR:a
  store i64 2, ptr %b.addr, !DIAssignID !71 ; VAR:b
  call void @llvm.dbg.assign(metadata i32 2, metadata !22, metadata !DIExpression(), metadata !71, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b
  store i32 9, ptr %e.addr, !DIAssignID !78 ; VAR:e
  call void @llvm.dbg.assign(metadata i32 9, metadata !75, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !78, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e
  store i32 3, ptr %a.addr, !DIAssignID !63 ; VAR:a
  store i32 4, ptr %b.addr, !DIAssignID !65 ; VAR:b
  store i64 5, ptr %c.addr, !DIAssignID !69 ; VAR:c
  call void @llvm.dbg.assign(metadata i64 5, metadata !67, metadata !DIExpression(), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c
  store i64 6, ptr %d.addr, !DIAssignID !74 ; VAR:d
  call void @llvm.dbg.assign(metadata i64 6, metadata !72, metadata !DIExpression(), metadata !74, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d
  store i64 16, ptr %e.addr, !DIAssignID !77 ; VAR:e
  ;store i32 11, ptr %f.addr, !DIAssignID !81 ; VAR:f
  ;call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f
  br label %do.body, !dbg !24
; CHECK-LABEL: bb.0.entry:
; CHECK-NEXT: successors
; CHECK-NEXT: {{^ *$}}
; CHECK-NEXT:    DBG_VALUE %stack.0.a.addr, $noreg, ![[a]], !DIExpression(DW_OP_deref)
; CHECK-NEXT:    DBG_VALUE %stack.1.b.addr, $noreg, ![[b]], !DIExpression(DW_OP_deref)
; CHECK-NEXT:    DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_deref)
; CHECK-NEXT:    MOV64mi32 %stack.0.a.addr, 1, $noreg, 0, $noreg, 1
; CHECK-NEXT:    MOV64mi32 %stack.1.b.addr, 1, $noreg, 0, $noreg, 2
; CHECK-NEXT:    MOV32mi %stack.0.a.addr, 1, $noreg, 0, $noreg, 3
; CHECK-NEXT:    DBG_VALUE $noreg, $noreg, ![[a]], !DIExpression(DW_OP_LLVM_fragment, 0, 32)
; CHECK-NEXT:    DBG_VALUE %stack.0.a.addr, $noreg, ![[a]], !DIExpression(DW_OP_plus_uconst, 4, DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)
; CHECK-NEXT:    MOV32mi %stack.1.b.addr, 1, $noreg, 0, $noreg, 4
; CHECK-NEXT:    DBG_VALUE $noreg, $noreg, ![[b]], !DIExpression(DW_OP_LLVM_fragment, 0, 32)
; CHECK-NEXT:    DBG_VALUE %stack.1.b.addr, $noreg, ![[b]], !DIExpression(DW_OP_plus_uconst, 4, DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)
; CHECK-NEXT:    MOV64mi32 %stack.2.c.addr, 1, $noreg, 0, $noreg, 5
; CHECK-NEXT:    MOV64mi32 %stack.3.d.addr, 1, $noreg, 0, $noreg, 6
; CHECK-NEXT:    MOV64mi32 %stack.4.e.addr, 1, $noreg, 0, $noreg, 16
; CHECK-NEXT:    DBG_VALUE $noreg, $noreg, ![[e]], !DIExpression()
; CHECK-NEXT: {{^ *$}}

do.body:                                          ; preds = %do.cond4, %entry
  call void @llvm.dbg.assign(metadata i64 16, metadata !75, metadata !DIExpression(), metadata !77, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e
  ;call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f
  %.pre10 = load i32, ptr @g_a, align 4, !dbg !27
  br label %do.body1, !dbg !34
; CHECK-LABEL: bb.1.do.body:
; CHECK-NEXT: successors
; CHECK-NEXT: {{^ *$}}
; CHECK-NEXT:    DBG_VALUE 16, $noreg, ![[e]], !DIExpression()
; CHECK-NEXT:    %0:gr32 = MOV32rm $rip, 1, $noreg, @g_a, $noreg
; CHECK-NEXT: {{^ *$}}

do.body1:                                         ; preds = %do.cond, %do.body
  %0 = phi i32 [ %.pre10, %do.body ], [ %1, %do.cond ], !dbg !27
  ;call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f
  %tobool.not = icmp eq i32 %0, 0, !dbg !27
  br i1 %tobool.not, label %if.else, label %if.then, !dbg !35
; CHECK-LABEL: bb.2.do.body1:
; CHECK-NEXT: successors
; CHECK-NEXT: {{^ *$}}
; CHECK:         JMP_1
; CHECK-NEXT: {{^ *$}}

if.then:                                          ; preds = %do.body1
  %.pre = load i32, ptr @g_a, align 4, !dbg !27
  store i32 %.pre, ptr %b.addr, !DIAssignID !66 ; VAR:b
  call void @llvm.dbg.assign(metadata i32 %.pre, metadata !22, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !66, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b
  store i32 6, ptr %d.addr, !DIAssignID !74 ; VAR:d
  call void @llvm.dbg.assign(metadata i32 6, metadata !72, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !74, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d
  call void @llvm.dbg.assign(metadata i32 8, metadata !75, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !82, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e
  store i32 8, ptr %e.addr, !DIAssignID !82 ; VAR:e
  br label %do.cond, !dbg !39
; CHECK-LABEL: bb.3.if.then:
; CHECK-NEXT: successors
; CHECK-NEXT: {{^ *$}}
; CHECK-NEXT:    %5:gr32 = MOV32rm $rip, 1, $noreg, @g_a, $noreg
; CHECK-NEXT:    MOV32mr %stack.1.b.addr, 1, $noreg, 0, $noreg, killed %5
; CHECK-NEXT:    DBG_VALUE %stack.1.b.addr, $noreg, ![[b]], !DIExpression(DW_OP_deref)
; CHECK-NEXT:    MOV32mi %stack.3.d.addr, 1, $noreg, 0, $noreg, 6
; CHECK-NEXT:    DBG_VALUE 8, $noreg, ![[e]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)
; CHECK-NEXT:    MOV32mi %stack.4.e.addr, 1, $noreg, 0, $noreg, 8
; CHECK-NEXT:    DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)
; CHECK-NEXT:    JMP_1 %bb.5

if.else:                                          ; preds = %do.body1
  store i32 6, ptr %d.addr, !DIAssignID !74 ; VAR:d
  call void @llvm.dbg.assign(metadata i32 6, metadata !72, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !74, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d
  %e.high32 = getelementptr i32, ptr %e.addr, i32 1
  store i32 15, ptr %e.high32 ; VAR:e
  ;store i32 10, ptr %f.addr ; VAR:f
  br label %do.cond
; CHECK-LABEL: bb.4.if.else:
; CHECK-NEXT: successors
; CHECK-NEXT: {{^ *$}}
; CHECK-NEXT:    MOV32mi %stack.3.d.addr, 1, $noreg, 0, $noreg, 6
; CHECK-NEXT:    MOV32mi %stack.4.e.addr, 1, $noreg, 4, $noreg, 15
; CHECK-NEXT:    DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_plus_uconst, 4, DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)
; CHECK: {{^ *$}}

do.cond:                                          ; preds = %if.then, %if.else
  call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c
  call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c
  ;call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f
  %1 = load i32, ptr @g_b, align 4, !dbg !43
  %tobool3.not = icmp eq i32 %1, 0, !dbg !43
  br i1 %tobool3.not, label %do.cond4, label %do.body1, !dbg !44, !llvm.loop !45
; CHECK-LABEL: bb.5.do.cond:
; CHECK-NEXT: successors
; CHECK-NEXT: {{^ *$}}
; CHECK-NOT: DBG_VALUE
; CHECK:      {{^ *$}}

do.cond4:                                         ; preds = %do.cond
  %2 = load i32, ptr @g_c, align 4, !dbg !48
  %tobool5.not = icmp eq i32 %2, 0, !dbg !48
  br i1 %tobool5.not, label %do.end6, label %do.body, !dbg !49, !llvm.loop !50
; CHECK-LABEL: bb.6.do.cond4:
; CHECK-NEXT: successors
; CHECK-NEXT: {{^ *$}}
; CHECK-NOT:     DBG
; CHECK: {{^ *$}}

do.end6:                                          ; preds = %do.cond4
  call void @llvm.dbg.assign(metadata i32 3, metadata !21, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !63, metadata ptr %a.addr, metadata !DIExpression()), !dbg !27; VAR:a
  call void @llvm.dbg.assign(metadata i32 0, metadata !21, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !70, metadata ptr %a.addr, metadata !DIExpression(DW_OP_plus_uconst, 32)), !dbg !27; VAR:a
  ;call void @llvm.dbg.assign(metadata i32 3, metadata !21, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !81, metadata ptr %a.addr, metadata !DIExpression()), !dbg !27; VAR:a
  call void @llvm.dbg.assign(metadata i32 4, metadata !22, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !65, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b
  call void @llvm.dbg.assign(metadata i32 0, metadata !22, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !71, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b
  call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c
  call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c
  call void @llvm.dbg.assign(metadata i32 6, metadata !72, metadata !DIExpression(), metadata !74, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d
  ;call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f
  ret i32 0, !dbg !53
; CHECK-LABEL: bb.7.do.end6:
; CHECK-NEXT:    DBG_VALUE %stack.0.a.addr, $noreg, ![[a]], !DIExpression(DW_OP_plus_uconst, 32, DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)
; CHECK-NEXT:    DBG_VALUE %stack.0.a.addr, $noreg, ![[a]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 0, 32)
; CHECK-NEXT:    DBG_VALUE 4, $noreg, ![[b]], !DIExpression(DW_OP_LLVM_fragment, 0, 32)
; CHECK-NEXT:    DBG_VALUE %stack.1.b.addr, $noreg, ![[b]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)
}

declare !dbg !54 void @_Z4calli(i32 noundef) local_unnamed_addr #1
declare void @llvm.dbg.declare(metadata, metadata, metadata)
declare void @llvm.dbg.value(metadata, metadata, metadata)
declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)

!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!10, !11, !12, !13, !14, !15, !1000}
!llvm.ident = !{!16}

!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "g_a", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 16.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
!3 = !DIFile(filename: "test.cpp", directory: "/")
!4 = !{!0, !5, !8}
!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
!6 = distinct !DIGlobalVariable(name: "g_b", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
!7 = !DIBasicType(name: "long long", size: 64, encoding: DW_ATE_signed)
!8 = !DIGlobalVariableExpression(var: !9, expr: !DIExpression())
!9 = distinct !DIGlobalVariable(name: "g_c", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)
!10 = !{i32 7, !"Dwarf Version", i32 5}
!11 = !{i32 2, !"Debug Info Version", i32 3}
!12 = !{i32 1, !"wchar_size", i32 4}
!13 = !{i32 8, !"PIC Level", i32 2}
!14 = !{i32 7, !"PIE Level", i32 2}
!15 = !{i32 7, !"uwtable", i32 2}
!16 = !{!"clang version 16.0.0"}
!17 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funii", scope: !3, file: !3, line: 3, type: !18, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !20)
!18 = !DISubroutineType(types: !19)
!19 = !{!7, !7, !7}
!20 = !{!21, !22}
!21 = !DILocalVariable(name: "a", arg: 1, scope: !17, file: !3, line: 3, type: !7)
!22 = !DILocalVariable(name: "b", arg: 2, scope: !17, file: !3, line: 3, type: !7)
!23 = !DILocation(line: 0, scope: !17)
!24 = !DILocation(line: 4, column: 3, scope: !17)
!25 = !DILocation(line: 5, column: 5, scope: !26)
!26 = distinct !DILexicalBlock(scope: !17, file: !3, line: 4, column: 6)
!27 = !DILocation(line: 7, column: 11, scope: !28)
!28 = distinct !DILexicalBlock(scope: !29, file: !3, line: 7, column: 11)
!29 = distinct !DILexicalBlock(scope: !26, file: !3, line: 6, column: 8)
!34 = !DILocation(line: 6, column: 5, scope: !26)
!35 = !DILocation(line: 7, column: 11, scope: !29)
!36 = !DILocation(line: 8, column: 11, scope: !37)
!37 = distinct !DILexicalBlock(scope: !28, file: !3, line: 7, column: 16)
!38 = !DILocation(line: 9, column: 9, scope: !37)
!39 = !DILocation(line: 10, column: 7, scope: !37)
!40 = !DILocation(line: 11, column: 11, scope: !41)
!41 = distinct !DILexicalBlock(scope: !28, file: !3, line: 10, column: 14)
!42 = !DILocation(line: 0, scope: !28)
!43 = !DILocation(line: 13, column: 14, scope: !26)
!44 = !DILocation(line: 13, column: 5, scope: !29)
!45 = distinct !{!45, !34, !46, !47}
!46 = !DILocation(line: 13, column: 17, scope: !26)
!47 = !{!"llvm.loop.mustprogress"}
!48 = !DILocation(line: 14, column: 12, scope: !17)
!49 = !DILocation(line: 14, column: 3, scope: !26)
!50 = distinct !{!50, !24, !51, !47}
!51 = !DILocation(line: 14, column: 15, scope: !17)
!52 = !DILocation(line: 15, column: 12, scope: !17)
!53 = !DILocation(line: 15, column: 3, scope: !17)
!54 = !DISubprogram(name: "call", linkageName: "_Z4calli", scope: !3, file: !3, line: 2, type: !55, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !57)
!55 = !DISubroutineType(types: !56)
!56 = !{null, !7}
!57 = !{}
!58 = distinct !DIAssignID()
!63 = distinct !DIAssignID()
!64 = distinct !DIAssignID()
!65 = distinct !DIAssignID()
!66 = distinct !DIAssignID()
!67 = !DILocalVariable(name: "c", scope: !17, file: !3, line: 3, type: !7)
!68 = distinct !DIAssignID()
!69 = distinct !DIAssignID()
!70 = distinct !DIAssignID()
!71 = distinct !DIAssignID()
!72 = !DILocalVariable(name: "d", scope: !17, file: !3, line: 3, type: !7)
!73 = distinct !DIAssignID()
!74 = distinct !DIAssignID()
!75 = !DILocalVariable(name: "e", scope: !17, file: !3, line: 3, type: !7)
!76 = distinct !DIAssignID()
!77 = distinct !DIAssignID()
!78 = distinct !DIAssignID()
!82 = distinct !DIAssignID()
!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}