1 ; RUN: opt < %s -tbaa -basicaa -aa-eval -evaluate-aa-metadata -print-no-aliases -print-may-aliases -disable-output 2>&1 | FileCheck %s
2 ; RUN: opt < %s -tbaa -basicaa -gvn -S | FileCheck %s --check-prefix=OPT
3 ; Generated from clang/test/CodeGen/tbaa.cpp with "-O1 -new-struct-path-tbaa".
5 %struct.StructA = type { i16, i32, i16, i32 }
6 %struct.StructB = type { i16, %struct.StructA, i32 }
7 %struct.StructS = type { i16, i32 }
8 %struct.StructS2 = type { i16, i32 }
9 %struct.StructC = type { i16, %struct.StructB, i32 }
10 %struct.StructD = type { i16, %struct.StructB, i32, i8 }
12 ; uint32_t g(uint32_t *s, StructA *A, uint64_t count) {
18 define i32 @_Z1gPjP7StructAy(i32* nocapture %s, %struct.StructA* nocapture %A, i64 %count) {
20 ; CHECK-LABEL: Z1gPjP7StructAy
21 ; CHECK: MayAlias: store i32 4, {{.*}} <-> store i32 1,
22 ; OPT-LABEL: _Z1gPjP7StructAy
25 ; OPT: %[[RET:.*]] = load i32,
26 ; OPT: ret i32 %[[RET]]
27 store i32 1, i32* %s, align 4, !tbaa !2
28 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 1
29 store i32 4, i32* %f32, align 4, !tbaa !6
30 %0 = load i32, i32* %s, align 4, !tbaa !2
34 ; uint32_t g2(uint32_t *s, StructA *A, uint64_t count) {
40 define i32 @_Z2g2PjP7StructAy(i32* nocapture %s, %struct.StructA* nocapture %A, i64 %count) {
42 ; CHECK-LABEL: _Z2g2PjP7StructAy
43 ; CHECK: NoAlias: store i16 4, {{.*}} <-> store i32 1,
44 ; OPT-LABEL: _Z2g2PjP7StructAy
47 ; Remove a load and propagate the value from store.
49 store i32 1, i32* %s, align 4, !tbaa !2
50 %f16 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 0
51 store i16 4, i16* %f16, align 4, !tbaa !9
55 ; uint32_t g3(StructA *A, StructB *B, uint64_t count) {
61 define i32 @_Z2g3P7StructAP7StructBy(%struct.StructA* nocapture %A, %struct.StructB* nocapture %B, i64 %count) {
63 ; CHECK-LABEL: _Z2g3P7StructAP7StructBy
64 ; CHECK: MayAlias: store i32 4, {{.*}} <-> store i32 1,
65 ; OPT-LABEL: _Z2g3P7StructAP7StructBy
68 ; OPT: %[[RET:.*]] = load i32,
69 ; OPT: ret i32 %[[RET]]
70 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 1
71 store i32 1, i32* %f32, align 4, !tbaa !6
72 %f321 = getelementptr inbounds %struct.StructB, %struct.StructB* %B, i64 0, i32 1, i32 1
73 store i32 4, i32* %f321, align 4, !tbaa !10
74 %0 = load i32, i32* %f32, align 4, !tbaa !6
78 ; uint32_t g4(StructA *A, StructB *B, uint64_t count) {
84 define i32 @_Z2g4P7StructAP7StructBy(%struct.StructA* nocapture %A, %struct.StructB* nocapture %B, i64 %count) {
86 ; CHECK-LABEL: _Z2g4P7StructAP7StructBy
87 ; CHECK: NoAlias: store i16 4, {{.*}} <-> store i32 1,
88 ; OPT-LABEL: _Z2g4P7StructAP7StructBy
91 ; Remove a load and propagate the value from store.
93 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 1
94 store i32 1, i32* %f32, align 4, !tbaa !6
95 %f16 = getelementptr inbounds %struct.StructB, %struct.StructB* %B, i64 0, i32 1, i32 0
96 store i16 4, i16* %f16, align 4, !tbaa !12
100 ; uint32_t g5(StructA *A, StructB *B, uint64_t count) {
106 define i32 @_Z2g5P7StructAP7StructBy(%struct.StructA* nocapture %A, %struct.StructB* nocapture %B, i64 %count) {
108 ; CHECK-LABEL: _Z2g5P7StructAP7StructBy
109 ; CHECK: NoAlias: store i32 4, {{.*}} <-> store i32 1,
110 ; OPT-LABEL: _Z2g5P7StructAP7StructBy
113 ; Remove a load and propagate the value from store.
115 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 1
116 store i32 1, i32* %f32, align 4, !tbaa !6
117 %f321 = getelementptr inbounds %struct.StructB, %struct.StructB* %B, i64 0, i32 2
118 store i32 4, i32* %f321, align 4, !tbaa !13
122 ; uint32_t g6(StructA *A, StructB *B, uint64_t count) {
128 define i32 @_Z2g6P7StructAP7StructBy(%struct.StructA* nocapture %A, %struct.StructB* nocapture %B, i64 %count) {
130 ; CHECK-LABEL: _Z2g6P7StructAP7StructBy
131 ; CHECK: NoAlias: store i32 4, {{.*}} <-> store i32 1,
132 ; OPT-LABEL: _Z2g6P7StructAP7StructBy
135 ; Remove a load and propagate the value from store.
137 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 1
138 store i32 1, i32* %f32, align 4, !tbaa !6
139 %f32_2 = getelementptr inbounds %struct.StructB, %struct.StructB* %B, i64 0, i32 1, i32 3
140 store i32 4, i32* %f32_2, align 4, !tbaa !14
144 ; uint32_t g7(StructA *A, StructS *S, uint64_t count) {
150 define i32 @_Z2g7P7StructAP7StructSy(%struct.StructA* nocapture %A, %struct.StructS* nocapture %S, i64 %count) {
152 ; CHECK-LABEL: _Z2g7P7StructAP7StructSy
153 ; CHECK: NoAlias: store i32 4, {{.*}} <-> store i32 1,
154 ; OPT-LABEL: _Z2g7P7StructAP7StructSy
157 ; Remove a load and propagate the value from store.
159 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 1
160 store i32 1, i32* %f32, align 4, !tbaa !6
161 %f321 = getelementptr inbounds %struct.StructS, %struct.StructS* %S, i64 0, i32 1
162 store i32 4, i32* %f321, align 4, !tbaa !15
166 ; uint32_t g8(StructA *A, StructS *S, uint64_t count) {
172 define i32 @_Z2g8P7StructAP7StructSy(%struct.StructA* nocapture %A, %struct.StructS* nocapture %S, i64 %count) {
174 ; CHECK-LABEL: _Z2g8P7StructAP7StructSy
175 ; CHECK: NoAlias: store i16 4, {{.*}} <-> store i32 1,
176 ; OPT-LABEL: _Z2g8P7StructAP7StructSy
179 ; Remove a load and propagate the value from store.
181 %f32 = getelementptr inbounds %struct.StructA, %struct.StructA* %A, i64 0, i32 1
182 store i32 1, i32* %f32, align 4, !tbaa !6
183 %f16 = getelementptr inbounds %struct.StructS, %struct.StructS* %S, i64 0, i32 0
184 store i16 4, i16* %f16, align 4, !tbaa !17
188 ; uint32_t g9(StructS *S, StructS2 *S2, uint64_t count) {
194 define i32 @_Z2g9P7StructSP8StructS2y(%struct.StructS* nocapture %S, %struct.StructS2* nocapture %S2, i64 %count) {
196 ; CHECK-LABEL: _Z2g9P7StructSP8StructS2y
197 ; CHECK: NoAlias: store i32 4, {{.*}} <-> store i32 1,
198 ; OPT-LABEL: _Z2g9P7StructSP8StructS2y
201 ; Remove a load and propagate the value from store.
203 %f32 = getelementptr inbounds %struct.StructS, %struct.StructS* %S, i64 0, i32 1
204 store i32 1, i32* %f32, align 4, !tbaa !15
205 %f321 = getelementptr inbounds %struct.StructS2, %struct.StructS2* %S2, i64 0, i32 1
206 store i32 4, i32* %f321, align 4, !tbaa !18
210 ; uint32_t g10(StructS *S, StructS2 *S2, uint64_t count) {
216 define i32 @_Z3g10P7StructSP8StructS2y(%struct.StructS* nocapture %S, %struct.StructS2* nocapture %S2, i64 %count) {
218 ; CHECK-LABEL: _Z3g10P7StructSP8StructS2y
219 ; CHECK: NoAlias: store i16 4, {{.*}} <-> store i32 1,
220 ; OPT-LABEL: _Z3g10P7StructSP8StructS2y
223 ; Remove a load and propagate the value from store.
225 %f32 = getelementptr inbounds %struct.StructS, %struct.StructS* %S, i64 0, i32 1
226 store i32 1, i32* %f32, align 4, !tbaa !15
227 %f16 = getelementptr inbounds %struct.StructS2, %struct.StructS2* %S2, i64 0, i32 0
228 store i16 4, i16* %f16, align 4, !tbaa !20
232 ; uint32_t g11(StructC *C, StructD *D, uint64_t count) {
238 define i32 @_Z3g11P7StructCP7StructDy(%struct.StructC* nocapture %C, %struct.StructD* nocapture %D, i64 %count) {
240 ; CHECK-LABEL: _Z3g11P7StructCP7StructDy
241 ; CHECK: NoAlias: store i32 4, {{.*}} <-> store i32 1,
242 ; OPT-LABEL: _Z3g11P7StructCP7StructDy
245 ; Remove a load and propagate the value from store.
247 %f32 = getelementptr inbounds %struct.StructC, %struct.StructC* %C, i64 0, i32 1, i32 1, i32 1
248 store i32 1, i32* %f32, align 4, !tbaa !21
249 %f323 = getelementptr inbounds %struct.StructD, %struct.StructD* %D, i64 0, i32 1, i32 1, i32 1
250 store i32 4, i32* %f323, align 4, !tbaa !23
254 ; uint32_t g12(StructC *C, StructD *D, uint64_t count) {
255 ; StructB *b1 = &(C->b);
256 ; StructB *b2 = &(D->b);
257 ; // b1, b2 have different context.
263 define i32 @_Z3g12P7StructCP7StructDy(%struct.StructC* nocapture %C, %struct.StructD* nocapture %D, i64 %count) {
265 ; CHECK-LABEL: _Z3g12P7StructCP7StructDy
266 ; CHECK: MayAlias: store i32 4, {{.*}} <-> store i32 1,
267 ; OPT-LABEL: _Z3g12P7StructCP7StructDy
270 ; OPT: %[[RET:.*]] = load i32,
271 ; OPT: ret i32 %[[RET]]
272 %f32 = getelementptr inbounds %struct.StructC, %struct.StructC* %C, i64 0, i32 1, i32 1, i32 1
273 store i32 1, i32* %f32, align 4, !tbaa !10
274 %f325 = getelementptr inbounds %struct.StructD, %struct.StructD* %D, i64 0, i32 1, i32 1, i32 1
275 store i32 4, i32* %f325, align 4, !tbaa !10
276 %0 = load i32, i32* %f32, align 4, !tbaa !10
280 !2 = !{!3, !3, i64 0, i64 4}
281 !3 = !{!4, i64 4, !"int"}
282 !4 = !{!5, i64 1, !"omnipotent char"}
283 !5 = !{!"Simple C++ TBAA"}
284 !6 = !{!7, !3, i64 4, i64 4}
285 !7 = !{!4, i64 16, !"_ZTS7StructA", !8, i64 0, i64 2, !3, i64 4, i64 4, !8, i64 8, i64 2, !3, i64 12, i64 4}
286 !8 = !{!4, i64 2, !"short"}
287 !9 = !{!7, !8, i64 0, i64 2}
288 !10 = !{!11, !3, i64 8, i64 4}
289 !11 = !{!4, i64 24, !"_ZTS7StructB", !8, i64 0, i64 2, !7, i64 4, i64 16, !3, i64 20, i64 4}
290 !12 = !{!11, !8, i64 4, i64 2}
291 !13 = !{!11, !3, i64 20, i64 4}
292 !14 = !{!11, !3, i64 16, i64 4}
293 !15 = !{!16, !3, i64 4, i64 4}
294 !16 = !{!4, i64 8, !"_ZTS7StructS", !8, i64 0, i64 2, !3, i64 4, i64 4}
295 !17 = !{!16, !8, i64 0, i64 2}
296 !18 = !{!19, !3, i64 4, i64 4}
297 !19 = !{!4, i64 8, !"_ZTS8StructS2", !8, i64 0, i64 2, !3, i64 4, i64 4}
298 !20 = !{!19, !8, i64 0, i64 2}
299 !21 = !{!22, !3, i64 12, i64 4}
300 !22 = !{!4, i64 32, !"_ZTS7StructC", !8, i64 0, i64 2, !11, i64 4, i64 24, !3, i64 28, i64 4}
301 !23 = !{!24, !3, i64 12, i64 4}
302 !24 = !{!4, i64 36, !"_ZTS7StructD", !8, i64 0, i64 2, !11, i64 4, i64 24, !3, i64 28, i64 4, !4, i64 32, i64 1}
303 !25 = !{!26, !4, i64 1, i64 1}
304 !26 = !{!4, i64 3, !"_ZTS4five", !4, i64 0, i64 1, !3, i64 1, i64 4, !4, i64 1, i64 1, !4, i64 2, i64 1}
305 !27 = !{!28, !4, i64 4, i64 1}
306 !28 = !{!4, i64 6, !"_ZTS3six", !4, i64 0, i64 1, !3, i64 4, i64 4, !4, i64 4, i64 1, !4, i64 5, i64 1}