Skip to content

Commit eb8f379

Browse files
fhahnfhahn
authored
[DSE] Remove malloc from EarliestEscapeInfo before removing. (llvm#84157)
Not removing the malloc from earliest escape info leaves stale entries in the cache. Fixes llvm#84051. PR: llvm#84157
1 parent b64482e commit eb8f379

File tree

2 files changed

+304
-2
lines changed

2 files changed

+304
-2
lines changed

‎llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp

+2-2
Original file line numberDiff line numberDiff line change
@@ -1908,15 +1908,15 @@ struct DSEState {
19081908
Malloc->getArgOperand(0), IRB, TLI);
19091909
if (!Calloc)
19101910
return false;
1911+
19111912
MemorySSAUpdater Updater(&MSSA);
19121913
auto *NewAccess =
19131914
Updater.createMemoryAccessAfter(cast<Instruction>(Calloc), nullptr,
19141915
MallocDef);
19151916
auto *NewAccessMD = cast<MemoryDef>(NewAccess);
19161917
Updater.insertDef(NewAccessMD, /*RenameUses=*/true);
1917-
Updater.removeMemoryAccess(Malloc);
19181918
Malloc->replaceAllUsesWith(Calloc);
1919-
Malloc->eraseFromParent();
1919+
deleteDeadInstruction(Malloc);
19201920
return true;
19211921
}
19221922

‎llvm/test/Transforms/DeadStoreElimination/malloc-earliest-escape-info-invalidation.ll

+302
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,302 @@
1+
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2+
; RUN: opt -p dse -S %s | FileCheck %s
3+
4+
target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-v128:64-a:8:16-n32:64"
5+
6+
define void @widget(ptr %a) {
7+
; CHECK-LABEL: define void @widget(
8+
; CHECK-SAME: ptr [[A:%.*]]) {
9+
; CHECK-NEXT: bb:
10+
; CHECK-NEXT: [[CALL1:%.*]] = tail call noalias ptr @malloc(i64 0)
11+
; CHECK-NEXT: store ptr [[CALL1]], ptr [[A]], align 8
12+
; CHECK-NEXT: [[LOAD:%.*]] = load ptr, ptr [[A]], align 8
13+
; CHECK-NEXT: [[LOAD2:%.*]] = load i32, ptr [[LOAD]], align 8
14+
; CHECK-NEXT: [[GETELEMENTPTR:%.*]] = getelementptr i8, ptr [[CALL1]], i64 0
15+
; CHECK-NEXT: [[GETELEMENTPTR3:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR]], i64 1
16+
; CHECK-NEXT: [[GETELEMENTPTR4:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR]], i64 8
17+
; CHECK-NEXT: store i16 0, ptr [[GETELEMENTPTR4]], align 4
18+
; CHECK-NEXT: [[GETELEMENTPTR5:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR]], i64 12
19+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
20+
; CHECK-NEXT: [[LOAD6:%.*]] = load i32, ptr inttoptr (i64 4 to ptr), align 4
21+
; CHECK-NEXT: br label [[BB48:%.*]]
22+
; CHECK: bb7:
23+
; CHECK-NEXT: br label [[BB9:%.*]]
24+
; CHECK: bb8:
25+
; CHECK-NEXT: br label [[BB53:%.*]]
26+
; CHECK: bb9:
27+
; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ [[CALL1]], [[BB7:%.*]] ], [ [[A]], [[BB43:%.*]] ]
28+
; CHECK-NEXT: [[GETELEMENTPTR10:%.*]] = getelementptr i8, ptr [[PHI]], i64 0
29+
; CHECK-NEXT: [[GETELEMENTPTR11:%.*]] = getelementptr i8, ptr [[PHI]], i64 0
30+
; CHECK-NEXT: [[GETELEMENTPTR12:%.*]] = getelementptr i8, ptr [[PHI]], i64 0
31+
; CHECK-NEXT: [[GETELEMENTPTR13:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR12]], i64 1
32+
; CHECK-NEXT: store i8 0, ptr [[CALL1]], align 1
33+
; CHECK-NEXT: br label [[BB29:%.*]]
34+
; CHECK: bb14:
35+
; CHECK-NEXT: [[GETELEMENTPTR15:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR10]], i64 8
36+
; CHECK-NEXT: [[LOAD16:%.*]] = load i16, ptr [[CALL1]], align 4
37+
; CHECK-NEXT: br i1 false, label [[BB22:%.*]], label [[BB17:%.*]]
38+
; CHECK: bb17:
39+
; CHECK-NEXT: [[GETELEMENTPTR18:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR11]], i64 8
40+
; CHECK-NEXT: [[LOAD19:%.*]] = load i16, ptr [[CALL1]], align 4
41+
; CHECK-NEXT: [[GETELEMENTPTR20:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR12]], i64 8
42+
; CHECK-NEXT: store i16 0, ptr [[CALL1]], align 4
43+
; CHECK-NEXT: [[GETELEMENTPTR21:%.*]] = getelementptr i8, ptr [[PHI]], i64 0
44+
; CHECK-NEXT: br label [[BB25:%.*]]
45+
; CHECK: bb22:
46+
; CHECK-NEXT: [[GETELEMENTPTR23:%.*]] = getelementptr i8, ptr [[PHI]], i64 0
47+
; CHECK-NEXT: [[GETELEMENTPTR24:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR23]], i64 12
48+
; CHECK-NEXT: br label [[BB25]]
49+
; CHECK: bb25:
50+
; CHECK-NEXT: [[PHI26:%.*]] = phi ptr [ [[A]], [[BB17]] ], [ [[CALL1]], [[BB22]] ]
51+
; CHECK-NEXT: [[PHI27:%.*]] = phi ptr [ [[CALL1]], [[BB17]] ], [ [[CALL1]], [[BB22]] ]
52+
; CHECK-NEXT: [[PHI28:%.*]] = phi ptr [ [[CALL1]], [[BB17]] ], [ [[CALL1]], [[BB22]] ]
53+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
54+
; CHECK-NEXT: br label [[BB29]]
55+
; CHECK: bb29:
56+
; CHECK-NEXT: [[PHI30:%.*]] = phi ptr [ [[CALL1]], [[BB9]] ], [ [[CALL1]], [[BB25]] ]
57+
; CHECK-NEXT: [[PHI31:%.*]] = phi ptr [ [[CALL1]], [[BB9]] ], [ [[CALL1]], [[BB25]] ]
58+
; CHECK-NEXT: [[LOAD32:%.*]] = load i8, ptr [[CALL1]], align 4
59+
; CHECK-NEXT: [[LOAD33:%.*]] = load i8, ptr [[CALL1]], align 4
60+
; CHECK-NEXT: [[GETELEMENTPTR34:%.*]] = getelementptr i8, ptr [[PHI31]], i64 12
61+
; CHECK-NEXT: [[GETELEMENTPTR35:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR12]], i64 12
62+
; CHECK-NEXT: br label [[BB86:%.*]]
63+
; CHECK: bb36:
64+
; CHECK-NEXT: [[GETELEMENTPTR37:%.*]] = getelementptr i8, ptr [[PHI30]], i64 12
65+
; CHECK-NEXT: br label [[BB38:%.*]]
66+
; CHECK: bb38:
67+
; CHECK-NEXT: [[GETELEMENTPTR39:%.*]] = getelementptr [0 x i32], ptr [[GETELEMENTPTR34]], i64 0, i64 0
68+
; CHECK-NEXT: [[LOAD40:%.*]] = load i32, ptr [[CALL1]], align 4
69+
; CHECK-NEXT: [[GETELEMENTPTR41:%.*]] = getelementptr [0 x i32], ptr [[GETELEMENTPTR37]], i64 0, i64 0
70+
; CHECK-NEXT: [[LOAD42:%.*]] = load i32, ptr [[CALL1]], align 4
71+
; CHECK-NEXT: br label [[BB38]]
72+
; CHECK: bb43:
73+
; CHECK-NEXT: [[GETELEMENTPTR44:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR12]], i64 8
74+
; CHECK-NEXT: [[LOAD45:%.*]] = load i16, ptr [[CALL1]], align 4
75+
; CHECK-NEXT: store i16 0, ptr [[CALL1]], align 4
76+
; CHECK-NEXT: store i8 0, ptr [[CALL1]], align 4
77+
; CHECK-NEXT: [[GETELEMENTPTR46:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR12]], i64 12
78+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
79+
; CHECK-NEXT: [[GETELEMENTPTR47:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR12]], i64 16
80+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
81+
; CHECK-NEXT: br label [[BB9]]
82+
; CHECK: bb48:
83+
; CHECK-NEXT: [[GETELEMENTPTR49:%.*]] = getelementptr i8, ptr [[CALL1]], i64 0
84+
; CHECK-NEXT: [[GETELEMENTPTR50:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR49]], i64 1
85+
; CHECK-NEXT: [[GETELEMENTPTR51:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR49]], i64 8
86+
; CHECK-NEXT: [[GETELEMENTPTR52:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR49]], i64 12
87+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
88+
; CHECK-NEXT: br label [[BB48]]
89+
; CHECK: bb53:
90+
; CHECK-NEXT: [[PHI54:%.*]] = phi ptr [ [[CALL1]], [[BB8:%.*]] ], [ [[A]], [[BB71:%.*]] ]
91+
; CHECK-NEXT: [[GETELEMENTPTR55:%.*]] = getelementptr i8, ptr [[PHI54]], i64 0
92+
; CHECK-NEXT: [[GETELEMENTPTR56:%.*]] = getelementptr i8, ptr [[PHI54]], i64 0
93+
; CHECK-NEXT: [[GETELEMENTPTR57:%.*]] = getelementptr i8, ptr [[PHI54]], i64 0
94+
; CHECK-NEXT: [[GETELEMENTPTR58:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR57]], i64 1
95+
; CHECK-NEXT: br label [[BB71]]
96+
; CHECK: bb59:
97+
; CHECK-NEXT: [[GETELEMENTPTR60:%.*]] = getelementptr i8, ptr [[PHI54]], i64 0
98+
; CHECK-NEXT: [[GETELEMENTPTR61:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR60]], i64 12
99+
; CHECK-NEXT: br label [[BB67:%.*]]
100+
; CHECK: bb62:
101+
; CHECK-NEXT: [[GETELEMENTPTR63:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR56]], i64 8
102+
; CHECK-NEXT: [[LOAD64:%.*]] = load i16, ptr [[CALL1]], align 4
103+
; CHECK-NEXT: [[GETELEMENTPTR65:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR57]], i64 8
104+
; CHECK-NEXT: store i16 0, ptr [[CALL1]], align 4
105+
; CHECK-NEXT: [[GETELEMENTPTR66:%.*]] = getelementptr i8, ptr [[PHI54]], i64 0
106+
; CHECK-NEXT: br label [[BB67]]
107+
; CHECK: bb67:
108+
; CHECK-NEXT: [[PHI68:%.*]] = phi ptr [ [[A]], [[BB62:%.*]] ], [ [[CALL1]], [[BB59:%.*]] ]
109+
; CHECK-NEXT: [[PHI69:%.*]] = phi ptr [ [[CALL1]], [[BB62]] ], [ [[CALL1]], [[BB59]] ]
110+
; CHECK-NEXT: [[PHI70:%.*]] = phi ptr [ [[CALL1]], [[BB62]] ], [ [[CALL1]], [[BB59]] ]
111+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
112+
; CHECK-NEXT: br label [[BB71]]
113+
; CHECK: bb71:
114+
; CHECK-NEXT: [[PHI72:%.*]] = phi ptr [ [[CALL1]], [[BB53]] ], [ [[CALL1]], [[BB67]] ]
115+
; CHECK-NEXT: [[PHI73:%.*]] = phi ptr [ [[CALL1]], [[BB53]] ], [ [[CALL1]], [[BB67]] ]
116+
; CHECK-NEXT: [[LOAD74:%.*]] = load i8, ptr [[CALL1]], align 4
117+
; CHECK-NEXT: [[LOAD75:%.*]] = load i8, ptr [[CALL1]], align 4
118+
; CHECK-NEXT: [[GETELEMENTPTR76:%.*]] = getelementptr i8, ptr [[PHI72]], i64 12
119+
; CHECK-NEXT: [[GETELEMENTPTR77:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR57]], i64 12
120+
; CHECK-NEXT: [[GETELEMENTPTR78:%.*]] = getelementptr [0 x i32], ptr [[GETELEMENTPTR76]], i64 0, i64 0
121+
; CHECK-NEXT: [[LOAD79:%.*]] = load i32, ptr [[CALL1]], align 4
122+
; CHECK-NEXT: [[GETELEMENTPTR80:%.*]] = getelementptr [0 x i32], ptr [[GETELEMENTPTR77]], i64 0, i64 0
123+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
124+
; CHECK-NEXT: [[LOAD81:%.*]] = load i8, ptr [[CALL1]], align 4
125+
; CHECK-NEXT: [[GETELEMENTPTR82:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR57]], i64 8
126+
; CHECK-NEXT: [[LOAD83:%.*]] = load i16, ptr [[CALL1]], align 4
127+
; CHECK-NEXT: store i16 0, ptr [[CALL1]], align 4
128+
; CHECK-NEXT: store i8 0, ptr [[CALL1]], align 4
129+
; CHECK-NEXT: [[GETELEMENTPTR84:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR57]], i64 12
130+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
131+
; CHECK-NEXT: [[GETELEMENTPTR85:%.*]] = getelementptr i8, ptr [[GETELEMENTPTR57]], i64 16
132+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
133+
; CHECK-NEXT: br label [[BB53]]
134+
; CHECK: bb86:
135+
; CHECK-NEXT: [[GETELEMENTPTR87:%.*]] = getelementptr [0 x i32], ptr [[GETELEMENTPTR34]], i64 0, i64 0
136+
; CHECK-NEXT: [[LOAD88:%.*]] = load i32, ptr [[CALL1]], align 4
137+
; CHECK-NEXT: [[GETELEMENTPTR89:%.*]] = getelementptr [0 x i32], ptr [[GETELEMENTPTR35]], i64 0, i64 0
138+
; CHECK-NEXT: store i32 0, ptr [[CALL1]], align 4
139+
; CHECK-NEXT: br label [[BB86]]
140+
;
141+
bb:
142+
%call = tail call ptr @malloc(i64 1)
143+
tail call void @llvm.memset.p0.i64(ptr %call, i8 0, i64 1, i1 false)
144+
%call1 = tail call noalias ptr @malloc(i64 0)
145+
store ptr %call1, ptr %a, align 8
146+
%load = load ptr, ptr %a, align 8
147+
%load2 = load i32, ptr %load, align 8
148+
%getelementptr = getelementptr i8, ptr %call1, i64 0
149+
%getelementptr3 = getelementptr i8, ptr %getelementptr, i64 1
150+
store i8 0, ptr %call1, align 1
151+
%getelementptr4 = getelementptr i8, ptr %getelementptr, i64 8
152+
store i16 0, ptr %getelementptr4, align 4
153+
%getelementptr5 = getelementptr i8, ptr %getelementptr, i64 12
154+
store i32 0, ptr %call1, align 4
155+
%load6 = load i32, ptr inttoptr (i64 4 to ptr), align 4
156+
br label %bb48
157+
158+
bb7: ; No predecessors!
159+
br label %bb9
160+
161+
bb8: ; No predecessors!
162+
br label %bb53
163+
164+
bb9: ; preds = %bb43, %bb7
165+
%phi = phi ptr [ %call1, %bb7 ], [ %a, %bb43 ]
166+
%getelementptr10 = getelementptr i8, ptr %phi, i64 0
167+
%getelementptr11 = getelementptr i8, ptr %phi, i64 0
168+
%getelementptr12 = getelementptr i8, ptr %phi, i64 0
169+
%getelementptr13 = getelementptr i8, ptr %getelementptr12, i64 1
170+
store i8 0, ptr %call1, align 1
171+
br label %bb29
172+
173+
bb14: ; No predecessors!
174+
%getelementptr15 = getelementptr i8, ptr %getelementptr10, i64 8
175+
%load16 = load i16, ptr %call1, align 4
176+
br i1 false, label %bb22, label %bb17
177+
178+
bb17: ; preds = %bb14
179+
%getelementptr18 = getelementptr i8, ptr %getelementptr11, i64 8
180+
%load19 = load i16, ptr %call1, align 4
181+
%getelementptr20 = getelementptr i8, ptr %getelementptr12, i64 8
182+
store i16 0, ptr %call1, align 4
183+
%getelementptr21 = getelementptr i8, ptr %phi, i64 0
184+
br label %bb25
185+
186+
bb22: ; preds = %bb14
187+
%getelementptr23 = getelementptr i8, ptr %phi, i64 0
188+
%getelementptr24 = getelementptr i8, ptr %getelementptr23, i64 12
189+
br label %bb25
190+
191+
bb25: ; preds = %bb22, %bb17
192+
%phi26 = phi ptr [ %a, %bb17 ], [ %call1, %bb22 ]
193+
%phi27 = phi ptr [ %call1, %bb17 ], [ %call1, %bb22 ]
194+
%phi28 = phi ptr [ %call1, %bb17 ], [ %call1, %bb22 ]
195+
store i32 0, ptr %call1, align 4
196+
br label %bb29
197+
198+
bb29: ; preds = %bb25, %bb9
199+
%phi30 = phi ptr [ %call1, %bb9 ], [ %call1, %bb25 ]
200+
%phi31 = phi ptr [ %call1, %bb9 ], [ %call1, %bb25 ]
201+
%load32 = load i8, ptr %call1, align 4
202+
%load33 = load i8, ptr %call1, align 4
203+
%getelementptr34 = getelementptr i8, ptr %phi31, i64 12
204+
%getelementptr35 = getelementptr i8, ptr %getelementptr12, i64 12
205+
br label %bb86
206+
207+
bb36: ; No predecessors!
208+
%getelementptr37 = getelementptr i8, ptr %phi30, i64 12
209+
br label %bb38
210+
211+
bb38: ; preds = %bb38, %bb36
212+
%getelementptr39 = getelementptr [0 x i32], ptr %getelementptr34, i64 0, i64 0
213+
%load40 = load i32, ptr %call1, align 4
214+
%getelementptr41 = getelementptr [0 x i32], ptr %getelementptr37, i64 0, i64 0
215+
%load42 = load i32, ptr %call1, align 4
216+
br label %bb38
217+
218+
bb43: ; No predecessors!
219+
%getelementptr44 = getelementptr i8, ptr %getelementptr12, i64 8
220+
%load45 = load i16, ptr %call1, align 4
221+
store i16 0, ptr %call1, align 4
222+
store i8 0, ptr %call1, align 4
223+
%getelementptr46 = getelementptr i8, ptr %getelementptr12, i64 12
224+
store i32 0, ptr %call1, align 4
225+
%getelementptr47 = getelementptr i8, ptr %getelementptr12, i64 16
226+
store i32 0, ptr %call1, align 4
227+
br label %bb9
228+
229+
bb48: ; preds = %bb48, %bb
230+
%getelementptr49 = getelementptr i8, ptr %call1, i64 0
231+
%getelementptr50 = getelementptr i8, ptr %getelementptr49, i64 1
232+
store i8 0, ptr %call1, align 1
233+
%getelementptr51 = getelementptr i8, ptr %getelementptr49, i64 8
234+
store i16 0, ptr %call1, align 4
235+
%getelementptr52 = getelementptr i8, ptr %getelementptr49, i64 12
236+
store i32 0, ptr %call1, align 4
237+
br label %bb48
238+
239+
bb53: ; preds = %bb71, %bb8
240+
%phi54 = phi ptr [ %call1, %bb8 ], [ %a, %bb71 ]
241+
%getelementptr55 = getelementptr i8, ptr %phi54, i64 0
242+
%getelementptr56 = getelementptr i8, ptr %phi54, i64 0
243+
%getelementptr57 = getelementptr i8, ptr %phi54, i64 0
244+
%getelementptr58 = getelementptr i8, ptr %getelementptr57, i64 1
245+
br label %bb71
246+
247+
bb59: ; No predecessors!
248+
%getelementptr60 = getelementptr i8, ptr %phi54, i64 0
249+
%getelementptr61 = getelementptr i8, ptr %getelementptr60, i64 12
250+
br label %bb67
251+
252+
bb62: ; No predecessors!
253+
%getelementptr63 = getelementptr i8, ptr %getelementptr56, i64 8
254+
%load64 = load i16, ptr %call1, align 4
255+
%getelementptr65 = getelementptr i8, ptr %getelementptr57, i64 8
256+
store i16 0, ptr %call1, align 4
257+
%getelementptr66 = getelementptr i8, ptr %phi54, i64 0
258+
br label %bb67
259+
260+
bb67: ; preds = %bb62, %bb59
261+
%phi68 = phi ptr [ %a, %bb62 ], [ %call1, %bb59 ]
262+
%phi69 = phi ptr [ %call1, %bb62 ], [ %call1, %bb59 ]
263+
%phi70 = phi ptr [ %call1, %bb62 ], [ %call1, %bb59 ]
264+
store i32 0, ptr %call1, align 4
265+
br label %bb71
266+
267+
bb71: ; preds = %bb67, %bb53
268+
%phi72 = phi ptr [ %call1, %bb53 ], [ %call1, %bb67 ]
269+
%phi73 = phi ptr [ %call1, %bb53 ], [ %call1, %bb67 ]
270+
%load74 = load i8, ptr %call1, align 4
271+
%load75 = load i8, ptr %call1, align 4
272+
%getelementptr76 = getelementptr i8, ptr %phi72, i64 12
273+
%getelementptr77 = getelementptr i8, ptr %getelementptr57, i64 12
274+
%getelementptr78 = getelementptr [0 x i32], ptr %getelementptr76, i64 0, i64 0
275+
%load79 = load i32, ptr %call1, align 4
276+
%getelementptr80 = getelementptr [0 x i32], ptr %getelementptr77, i64 0, i64 0
277+
store i32 0, ptr %call1, align 4
278+
%load81 = load i8, ptr %call1, align 4
279+
%getelementptr82 = getelementptr i8, ptr %getelementptr57, i64 8
280+
%load83 = load i16, ptr %call1, align 4
281+
store i16 0, ptr %call1, align 4
282+
store i8 0, ptr %call1, align 4
283+
%getelementptr84 = getelementptr i8, ptr %getelementptr57, i64 12
284+
store i32 0, ptr %call1, align 4
285+
%getelementptr85 = getelementptr i8, ptr %getelementptr57, i64 16
286+
store i32 0, ptr %call1, align 4
287+
br label %bb53
288+
289+
bb86: ; preds = %bb86, %bb29
290+
%getelementptr87 = getelementptr [0 x i32], ptr %getelementptr34, i64 0, i64 0
291+
%load88 = load i32, ptr %call1, align 4
292+
%getelementptr89 = getelementptr [0 x i32], ptr %getelementptr35, i64 0, i64 0
293+
store i32 0, ptr %call1, align 4
294+
br label %bb86
295+
}
296+
297+
declare ptr @malloc(i64)
298+
299+
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
300+
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0
301+
302+
attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }

0 commit comments

Comments
 (0)