1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -no-struct-path-tbaa -disable-llvm-passes %s -emit-llvm -o - | FileCheck %s |
2 | // RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -disable-llvm-passes %s -emit-llvm -o - | FileCheck %s -check-prefixes=PATH,OLD-PATH |
3 | // RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -disable-llvm-passes %s -emit-llvm -new-struct-path-tbaa -o - | FileCheck %s -check-prefixes=PATH,NEW-PATH |
4 | // Test TBAA metadata generated by front-end. |
5 | |
6 | typedef unsigned char uint8_t; |
7 | typedef unsigned short uint16_t; |
8 | typedef unsigned int uint32_t; |
9 | typedef unsigned long long uint64_t; |
10 | class StructA |
11 | { |
12 | public: |
13 | uint16_t f16; |
14 | uint32_t f32; |
15 | uint16_t f16_2; |
16 | uint32_t f32_2; |
17 | }; |
18 | class StructB |
19 | { |
20 | public: |
21 | uint16_t f16; |
22 | StructA a; |
23 | uint32_t f32; |
24 | }; |
25 | class StructC |
26 | { |
27 | public: |
28 | uint16_t f16; |
29 | StructB b; |
30 | uint32_t f32; |
31 | }; |
32 | class StructD |
33 | { |
34 | public: |
35 | uint16_t f16; |
36 | StructB b; |
37 | uint32_t f32; |
38 | uint8_t f8; |
39 | }; |
40 | |
41 | class StructS |
42 | { |
43 | public: |
44 | uint16_t f16; |
45 | uint32_t f32; |
46 | }; |
47 | class StructS2 : public StructS |
48 | { |
49 | public: |
50 | uint16_t f16_2; |
51 | uint32_t f32_2; |
52 | }; |
53 | |
54 | uint32_t g(uint32_t *s, StructA *A, uint64_t count) { |
55 | // CHECK-LABEL: define i32 @_Z1g |
56 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32:!.*]] |
57 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
58 | // PATH-LABEL: define i32 @_Z1g |
59 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32:!.*]] |
60 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32:!.*]] |
61 | *s = 1; |
62 | A->f32 = 4; |
63 | return *s; |
64 | } |
65 | |
66 | uint32_t g2(uint32_t *s, StructA *A, uint64_t count) { |
67 | // CHECK-LABEL: define i32 @_Z2g2 |
68 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
69 | // CHECK: store i16 4, i16* %{{.*}}, align 4, !tbaa [[TAG_i16:!.*]] |
70 | // PATH-LABEL: define i32 @_Z2g2 |
71 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
72 | // PATH: store i16 4, i16* %{{.*}}, align 4, !tbaa [[TAG_A_f16:!.*]] |
73 | *s = 1; |
74 | A->f16 = 4; |
75 | return *s; |
76 | } |
77 | |
78 | uint32_t g3(StructA *A, StructB *B, uint64_t count) { |
79 | // CHECK-LABEL: define i32 @_Z2g3 |
80 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
81 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
82 | // PATH-LABEL: define i32 @_Z2g3 |
83 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]] |
84 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32:!.*]] |
85 | A->f32 = 1; |
86 | B->a.f32 = 4; |
87 | return A->f32; |
88 | } |
89 | |
90 | uint32_t g4(StructA *A, StructB *B, uint64_t count) { |
91 | // CHECK-LABEL: define i32 @_Z2g4 |
92 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
93 | // CHECK: store i16 4, i16* %{{.*}}, align 4, !tbaa [[TAG_i16]] |
94 | // PATH-LABEL: define i32 @_Z2g4 |
95 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]] |
96 | // PATH: store i16 4, i16* %{{.*}}, align 4, !tbaa [[TAG_B_a_f16:!.*]] |
97 | A->f32 = 1; |
98 | B->a.f16 = 4; |
99 | return A->f32; |
100 | } |
101 | |
102 | uint32_t g5(StructA *A, StructB *B, uint64_t count) { |
103 | // CHECK-LABEL: define i32 @_Z2g5 |
104 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
105 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
106 | // PATH-LABEL: define i32 @_Z2g5 |
107 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]] |
108 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_f32:!.*]] |
109 | A->f32 = 1; |
110 | B->f32 = 4; |
111 | return A->f32; |
112 | } |
113 | |
114 | uint32_t g6(StructA *A, StructB *B, uint64_t count) { |
115 | // CHECK-LABEL: define i32 @_Z2g6 |
116 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
117 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
118 | // PATH-LABEL: define i32 @_Z2g6 |
119 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]] |
120 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32_2:!.*]] |
121 | A->f32 = 1; |
122 | B->a.f32_2 = 4; |
123 | return A->f32; |
124 | } |
125 | |
126 | uint32_t g7(StructA *A, StructS *S, uint64_t count) { |
127 | // CHECK-LABEL: define i32 @_Z2g7 |
128 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
129 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
130 | // PATH-LABEL: define i32 @_Z2g7 |
131 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]] |
132 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32:!.*]] |
133 | A->f32 = 1; |
134 | S->f32 = 4; |
135 | return A->f32; |
136 | } |
137 | |
138 | uint32_t g8(StructA *A, StructS *S, uint64_t count) { |
139 | // CHECK-LABEL: define i32 @_Z2g8 |
140 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
141 | // CHECK: store i16 4, i16* %{{.*}}, align 4, !tbaa [[TAG_i16]] |
142 | // PATH-LABEL: define i32 @_Z2g8 |
143 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]] |
144 | // PATH: store i16 4, i16* %{{.*}}, align 4, !tbaa [[TAG_S_f16:!.*]] |
145 | A->f32 = 1; |
146 | S->f16 = 4; |
147 | return A->f32; |
148 | } |
149 | |
150 | uint32_t g9(StructS *S, StructS2 *S2, uint64_t count) { |
151 | // CHECK-LABEL: define i32 @_Z2g9 |
152 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
153 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
154 | // PATH-LABEL: define i32 @_Z2g9 |
155 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32]] |
156 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32:!.*]] |
157 | S->f32 = 1; |
158 | S2->f32 = 4; |
159 | return S->f32; |
160 | } |
161 | |
162 | uint32_t g10(StructS *S, StructS2 *S2, uint64_t count) { |
163 | // CHECK-LABEL: define i32 @_Z3g10 |
164 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
165 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
166 | // PATH-LABEL: define i32 @_Z3g10 |
167 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32]] |
168 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_S2_f32_2:!.*]] |
169 | S->f32 = 1; |
170 | S2->f32_2 = 4; |
171 | return S->f32; |
172 | } |
173 | |
174 | uint32_t g11(StructC *C, StructD *D, uint64_t count) { |
175 | // CHECK-LABEL: define i32 @_Z3g11 |
176 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
177 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
178 | // PATH-LABEL: define i32 @_Z3g11 |
179 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_C_b_a_f32:!.*]] |
180 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_D_b_a_f32:!.*]] |
181 | C->b.a.f32 = 1; |
182 | D->b.a.f32 = 4; |
183 | return C->b.a.f32; |
184 | } |
185 | |
186 | uint32_t g12(StructC *C, StructD *D, uint64_t count) { |
187 | // CHECK-LABEL: define i32 @_Z3g12 |
188 | // CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
189 | // CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]] |
190 | // TODO: differentiate the two accesses. |
191 | // PATH-LABEL: define i32 @_Z3g12 |
192 | // PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32]] |
193 | // PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32]] |
194 | StructB *b1 = &(C->b); |
195 | StructB *b2 = &(D->b); |
196 | // b1, b2 have different context. |
197 | b1->a.f32 = 1; |
198 | b2->a.f32 = 4; |
199 | return b1->a.f32; |
200 | } |
201 | |
202 | // CHECK: [[TYPE_char:!.*]] = !{!"omnipotent char", [[TAG_cxx_tbaa:!.*]], |
203 | // CHECK: [[TAG_cxx_tbaa]] = !{!"Simple C++ TBAA"} |
204 | // CHECK: [[TAG_i32]] = !{[[TYPE_i32:!.*]], [[TYPE_i32]], i64 0} |
205 | // CHECK: [[TYPE_i32]] = !{!"int", [[TYPE_char]], |
206 | // CHECK: [[TAG_i16]] = !{[[TYPE_i16:!.*]], [[TYPE_i16]], i64 0} |
207 | // CHECK: [[TYPE_i16]] = !{!"short", [[TYPE_char]], |
208 | |
209 | // OLD-PATH: [[TYPE_CHAR:!.*]] = !{!"omnipotent char", ! |
210 | // OLD-PATH: [[TAG_i32]] = !{[[TYPE_INT:!.*]], [[TYPE_INT]], i64 0} |
211 | // OLD-PATH: [[TYPE_INT]] = !{!"int", [[TYPE_CHAR]] |
212 | // OLD-PATH: [[TAG_A_f32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 4} |
213 | // OLD-PATH: [[TYPE_A]] = !{!"_ZTS7StructA", [[TYPE_SHORT:!.*]], i64 0, [[TYPE_INT]], i64 4, [[TYPE_SHORT]], i64 8, [[TYPE_INT]], i64 12} |
214 | // OLD-PATH: [[TYPE_SHORT:!.*]] = !{!"short", [[TYPE_CHAR]] |
215 | // OLD-PATH: [[TAG_A_f16]] = !{[[TYPE_A]], [[TYPE_SHORT]], i64 0} |
216 | // OLD-PATH: [[TAG_B_a_f32]] = !{[[TYPE_B:!.*]], [[TYPE_INT]], i64 8} |
217 | // OLD-PATH: [[TYPE_B]] = !{!"_ZTS7StructB", [[TYPE_SHORT]], i64 0, [[TYPE_A]], i64 4, [[TYPE_INT]], i64 20} |
218 | // OLD-PATH: [[TAG_B_a_f16]] = !{[[TYPE_B]], [[TYPE_SHORT]], i64 4} |
219 | // OLD-PATH: [[TAG_B_f32]] = !{[[TYPE_B]], [[TYPE_INT]], i64 20} |
220 | // OLD-PATH: [[TAG_B_a_f32_2]] = !{[[TYPE_B]], [[TYPE_INT]], i64 16} |
221 | // OLD-PATH: [[TAG_S_f32]] = !{[[TYPE_S:!.*]], [[TYPE_INT]], i64 4} |
222 | // OLD-PATH: [[TYPE_S]] = !{!"_ZTS7StructS", [[TYPE_SHORT]], i64 0, [[TYPE_INT]], i64 4} |
223 | // OLD-PATH: [[TAG_S_f16]] = !{[[TYPE_S]], [[TYPE_SHORT]], i64 0} |
224 | // OLD-PATH: [[TAG_S2_f32_2]] = !{[[TYPE_S2:!.*]], [[TYPE_INT]], i64 12} |
225 | // OLD-PATH: [[TYPE_S2]] = !{!"_ZTS8StructS2", [[TYPE_SHORT]], i64 8, [[TYPE_INT]], i64 12} |
226 | // OLD-PATH: [[TAG_C_b_a_f32]] = !{[[TYPE_C:!.*]], [[TYPE_INT]], i64 12} |
227 | // OLD-PATH: [[TYPE_C]] = !{!"_ZTS7StructC", [[TYPE_SHORT]], i64 0, [[TYPE_B]], i64 4, [[TYPE_INT]], i64 28} |
228 | // OLD-PATH: [[TAG_D_b_a_f32]] = !{[[TYPE_D:!.*]], [[TYPE_INT]], i64 12} |
229 | // OLD-PATH: [[TYPE_D]] = !{!"_ZTS7StructD", [[TYPE_SHORT]], i64 0, [[TYPE_B]], i64 4, [[TYPE_INT]], i64 28, [[TYPE_CHAR]], i64 32} |
230 | |
231 | // NEW-PATH: [[TYPE_CHAR:!.*]] = !{!{{.*}}, i64 1, !"omnipotent char"} |
232 | // NEW-PATH: [[TAG_i32]] = !{[[TYPE_INT:!.*]], [[TYPE_INT]], i64 0, i64 4} |
233 | // NEW-PATH: [[TYPE_INT]] = !{[[TYPE_CHAR]], i64 4, !"int"} |
234 | // NEW-PATH: [[TAG_A_f32]] = !{[[TYPE_A:!.*]], [[TYPE_INT]], i64 4, i64 4} |
235 | // NEW-PATH: [[TYPE_A]] = !{[[TYPE_CHAR]], i64 16, !"_ZTS7StructA", [[TYPE_SHORT:!.*]], i64 0, i64 2, [[TYPE_INT]], i64 4, i64 4, [[TYPE_SHORT]], i64 8, i64 2, [[TYPE_INT]], i64 12, i64 4} |
236 | // NEW-PATH: [[TYPE_SHORT:!.*]] = !{[[TYPE_CHAR]], i64 2, !"short"} |
237 | // NEW-PATH: [[TAG_A_f16]] = !{[[TYPE_A]], [[TYPE_SHORT]], i64 0, i64 2} |
238 | // NEW-PATH: [[TAG_B_a_f32]] = !{[[TYPE_B:!.*]], [[TYPE_INT]], i64 8, i64 4} |
239 | // NEW-PATH: [[TYPE_B]] = !{[[TYPE_CHAR]], i64 24, !"_ZTS7StructB", [[TYPE_SHORT]], i64 0, i64 2, [[TYPE_A]], i64 4, i64 16, [[TYPE_INT]], i64 20, i64 4} |
240 | // NEW-PATH: [[TAG_B_a_f16]] = !{[[TYPE_B]], [[TYPE_SHORT]], i64 4, i64 2} |
241 | // NEW-PATH: [[TAG_B_f32]] = !{[[TYPE_B]], [[TYPE_INT]], i64 20, i64 4} |
242 | // NEW-PATH: [[TAG_B_a_f32_2]] = !{[[TYPE_B]], [[TYPE_INT]], i64 16, i64 4} |
243 | // NEW-PATH: [[TAG_S_f32]] = !{[[TYPE_S:!.*]], [[TYPE_INT]], i64 4, i64 4} |
244 | // NEW-PATH: [[TYPE_S]] = !{[[TYPE_CHAR]], i64 8, !"_ZTS7StructS", [[TYPE_SHORT]], i64 0, i64 2, [[TYPE_INT]], i64 4, i64 4} |
245 | // NEW-PATH: [[TAG_S_f16]] = !{[[TYPE_S]], [[TYPE_SHORT]], i64 0, i64 2} |
246 | // NEW-PATH: [[TAG_S2_f32_2]] = !{[[TYPE_S2:!.*]], [[TYPE_INT]], i64 12, i64 4} |
247 | // NEW-PATH: [[TYPE_S2]] = !{[[TYPE_CHAR]], i64 16, !"_ZTS8StructS2", [[TYPE_SHORT]], i64 8, i64 2, [[TYPE_INT]], i64 12, i64 4} |
248 | // NEW-PATH: [[TAG_C_b_a_f32]] = !{[[TYPE_C:!.*]], [[TYPE_INT]], i64 12, i64 4} |
249 | // NEW-PATH: [[TYPE_C]] = !{[[TYPE_CHAR]], i64 32, !"_ZTS7StructC", [[TYPE_SHORT]], i64 0, i64 2, [[TYPE_B]], i64 4, i64 24, [[TYPE_INT]], i64 28, i64 4} |
250 | // NEW-PATH: [[TAG_D_b_a_f32]] = !{[[TYPE_D:!.*]], [[TYPE_INT]], i64 12, i64 4} |
251 | // NEW-PATH: [[TYPE_D]] = !{[[TYPE_CHAR]], i64 36, !"_ZTS7StructD", [[TYPE_SHORT]], i64 0, i64 2, [[TYPE_B]], i64 4, i64 24, [[TYPE_INT]], i64 28, i64 4, [[TYPE_CHAR]], i64 32, i64 1} |
252 | |