1 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV0 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V0 |
2 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV1 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V1 |
3 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV2 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V2 |
4 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV3 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V3 |
5 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV4 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V4 |
6 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV5 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V5 |
7 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV6 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V6 |
8 | // RUN: %clang -x c -fsanitize=implicit-signed-integer-truncation %s -DV7 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V7 |
9 | |
10 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV0 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V0 |
11 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV1 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V1 |
12 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV2 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V2 |
13 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV3 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V3 |
14 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV4 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V4 |
15 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV5 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V5 |
16 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV6 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V6 |
17 | // RUN: %clangxx -x c++ -fsanitize=implicit-signed-integer-truncation %s -DV7 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V7 |
18 | |
19 | #include <stdint.h> |
20 | |
21 | // Test plan: |
22 | // * Two types - int and char |
23 | // * Two signs - signed and unsigned |
24 | // * Square that - we have input and output types. |
25 | // Thus, there are total of (2*2)^2 == 16 tests. |
26 | // These are all the possible variations/combinations of casts. |
27 | // However, not all of them should result in the check. |
28 | // So here, we *only* check which should and which should not result in checks. |
29 | |
30 | uint32_t convert_unsigned_int_to_unsigned_int(uint32_t x) { |
31 | #line 100 |
32 | return x; |
33 | } |
34 | |
35 | uint8_t convert_unsigned_char_to_unsigned_char(uint8_t x) { |
36 | #line 200 |
37 | return x; |
38 | } |
39 | |
40 | int32_t convert_signed_int_to_signed_int(int32_t x) { |
41 | #line 300 |
42 | return x; |
43 | } |
44 | |
45 | int8_t convert_signed_char_to_signed_char(int8_t x) { |
46 | #line 400 |
47 | return x; |
48 | } |
49 | |
50 | uint8_t convert_unsigned_int_to_unsigned_char(uint32_t x) { |
51 | #line 500 |
52 | return x; |
53 | } |
54 | |
55 | uint32_t convert_unsigned_char_to_unsigned_int(uint8_t x) { |
56 | #line 600 |
57 | return x; |
58 | } |
59 | |
60 | int32_t convert_unsigned_char_to_signed_int(uint8_t x) { |
61 | #line 700 |
62 | return x; |
63 | } |
64 | |
65 | int32_t convert_signed_char_to_signed_int(int8_t x) { |
66 | #line 800 |
67 | return x; |
68 | } |
69 | |
70 | int32_t convert_unsigned_int_to_signed_int(uint32_t x) { |
71 | #line 900 |
72 | return x; |
73 | } |
74 | |
75 | uint32_t convert_signed_int_to_unsigned_int(int32_t x) { |
76 | #line 1000 |
77 | return x; |
78 | } |
79 | |
80 | uint8_t convert_signed_int_to_unsigned_char(int32_t x) { |
81 | #line 1100 |
82 | return x; |
83 | } |
84 | |
85 | uint8_t convert_signed_char_to_unsigned_char(int8_t x) { |
86 | #line 1200 |
87 | return x; |
88 | } |
89 | |
90 | int8_t convert_unsigned_char_to_signed_char(uint8_t x) { |
91 | #line 1300 |
92 | return x; |
93 | } |
94 | |
95 | uint32_t convert_signed_char_to_unsigned_int(int8_t x) { |
96 | #line 1400 |
97 | return x; |
98 | } |
99 | |
100 | int8_t convert_unsigned_int_to_signed_char(uint32_t x) { |
101 | #line 1500 |
102 | return x; |
103 | } |
104 | |
105 | int8_t convert_signed_int_to_signed_char(int32_t x) { |
106 | #line 1600 |
107 | return x; |
108 | } |
109 | |
110 | #line 1111 // !!! |
111 | |
112 | int main() { |
113 | // No bits set. |
114 | convert_unsigned_int_to_unsigned_int(x: 0); |
115 | convert_unsigned_char_to_unsigned_char(x: 0); |
116 | convert_signed_int_to_signed_int(x: 0); |
117 | convert_signed_char_to_signed_char(x: 0); |
118 | convert_unsigned_int_to_unsigned_char(x: 0); |
119 | convert_unsigned_char_to_unsigned_int(x: 0); |
120 | convert_unsigned_char_to_signed_int(x: 0); |
121 | convert_signed_char_to_signed_int(x: 0); |
122 | convert_unsigned_int_to_signed_int(x: 0); |
123 | convert_signed_int_to_unsigned_int(x: 0); |
124 | convert_signed_int_to_unsigned_char(x: 0); |
125 | convert_signed_char_to_unsigned_char(x: 0); |
126 | convert_unsigned_char_to_signed_char(x: 0); |
127 | convert_signed_char_to_unsigned_int(x: 0); |
128 | convert_unsigned_int_to_signed_char(x: 0); |
129 | convert_signed_int_to_signed_char(x: 0); |
130 | |
131 | // One lowest bit set. |
132 | convert_unsigned_int_to_unsigned_int(x: 1); |
133 | convert_unsigned_char_to_unsigned_char(x: 1); |
134 | convert_signed_int_to_signed_int(x: 1); |
135 | convert_signed_char_to_signed_char(x: 1); |
136 | convert_unsigned_int_to_unsigned_char(x: 1); |
137 | convert_unsigned_char_to_unsigned_int(x: 1); |
138 | convert_unsigned_char_to_signed_int(x: 1); |
139 | convert_signed_char_to_signed_int(x: 1); |
140 | convert_unsigned_int_to_signed_int(x: 1); |
141 | convert_signed_int_to_unsigned_int(x: 1); |
142 | convert_signed_int_to_unsigned_char(x: 1); |
143 | convert_signed_char_to_unsigned_char(x: 1); |
144 | convert_unsigned_char_to_signed_char(x: 1); |
145 | convert_signed_char_to_unsigned_int(x: 1); |
146 | convert_unsigned_int_to_signed_char(x: 1); |
147 | convert_signed_int_to_signed_char(x: 1); |
148 | |
149 | #if defined(V0) |
150 | // All source bits set. |
151 | convert_unsigned_int_to_unsigned_int((uint32_t)UINT32_MAX); |
152 | convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX); |
153 | convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT32_MAX); |
154 | convert_signed_char_to_signed_char((int8_t)UINT8_MAX); |
155 | convert_unsigned_int_to_unsigned_char((uint32_t)UINT32_MAX); |
156 | convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX); |
157 | convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX); |
158 | convert_signed_char_to_signed_int((int8_t)UINT8_MAX); |
159 | convert_unsigned_int_to_signed_int((uint32_t)UINT32_MAX); |
160 | convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT32_MAX); |
161 | convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT32_MAX); |
162 | // CHECK-V0: {{.*}}signed-integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -1 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned) |
163 | convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX); |
164 | convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX); |
165 | convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX); |
166 | convert_unsigned_int_to_signed_char((uint32_t)UINT32_MAX); |
167 | convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT32_MAX); |
168 | #elif defined(V1) |
169 | // Source 'Sign' bit set. |
170 | convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN); |
171 | convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN); |
172 | convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MIN); |
173 | convert_signed_char_to_signed_char((int8_t)INT8_MIN); |
174 | convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MIN); |
175 | convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN); |
176 | convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN); |
177 | convert_signed_char_to_signed_int((int8_t)INT8_MIN); |
178 | convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN); |
179 | convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MIN); |
180 | convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MIN); |
181 | // CHECK-V1: {{.*}}signed-integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483648 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 0 (8-bit, unsigned) |
182 | convert_signed_char_to_unsigned_char((int8_t)INT8_MIN); |
183 | convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN); |
184 | convert_signed_char_to_unsigned_int((int8_t)INT8_MIN); |
185 | convert_unsigned_int_to_signed_char((uint32_t)INT32_MIN); |
186 | // CHECK-V1: {{.*}}signed-integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483648 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 0 (8-bit, signed) |
187 | convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MIN); |
188 | // CHECK-V1: {{.*}}signed-integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483648 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 0 (8-bit, signed) |
189 | #elif defined(V2) |
190 | // All bits except the source 'Sign' bit are set. |
191 | convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX); |
192 | convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX); |
193 | convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MAX); |
194 | convert_signed_char_to_signed_char((int8_t)INT8_MAX); |
195 | convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MAX); |
196 | convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX); |
197 | convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX); |
198 | convert_signed_char_to_signed_int((int8_t)INT8_MAX); |
199 | convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX); |
200 | convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MAX); |
201 | convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MAX); |
202 | // CHECK-V2: {{.*}}signed-integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483647 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned) |
203 | convert_signed_char_to_unsigned_char((int8_t)INT8_MAX); |
204 | convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX); |
205 | convert_signed_char_to_unsigned_int((int8_t)INT8_MAX); |
206 | convert_unsigned_int_to_signed_char((uint32_t)INT32_MAX); |
207 | // CHECK-V2: {{.*}}signed-integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483647 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed) |
208 | convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MAX); |
209 | // CHECK-V2: {{.*}}signed-integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483647 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed) |
210 | #elif defined(V3) |
211 | // All destination bits set. |
212 | convert_unsigned_int_to_unsigned_int((uint32_t)UINT8_MAX); |
213 | convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX); |
214 | convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT8_MAX); |
215 | convert_signed_char_to_signed_char((int8_t)UINT8_MAX); |
216 | convert_unsigned_int_to_unsigned_char((uint32_t)UINT8_MAX); |
217 | convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX); |
218 | convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX); |
219 | convert_signed_char_to_signed_int((int8_t)UINT8_MAX); |
220 | convert_unsigned_int_to_signed_int((uint32_t)UINT8_MAX); |
221 | convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT8_MAX); |
222 | convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT8_MAX); |
223 | convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX); |
224 | convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX); |
225 | convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX); |
226 | convert_unsigned_int_to_signed_char((uint32_t)UINT8_MAX); |
227 | // CHECK-V3: {{.*}}signed-integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 255 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed) |
228 | convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT8_MAX); |
229 | // CHECK-V3: {{.*}}signed-integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 255 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -1 (8-bit, signed) |
230 | #elif defined(V4) |
231 | // Destination 'sign' bit set. |
232 | convert_unsigned_int_to_unsigned_int((uint32_t)(uint8_t)INT8_MIN); |
233 | convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN); |
234 | convert_signed_int_to_signed_int((int32_t)(uint32_t)(uint8_t)INT8_MIN); |
235 | convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN); |
236 | convert_unsigned_int_to_unsigned_char((uint32_t)(uint8_t)INT8_MIN); |
237 | convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN); |
238 | convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN); |
239 | convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN); |
240 | convert_unsigned_int_to_signed_int((uint32_t)(uint8_t)INT8_MIN); |
241 | convert_signed_int_to_unsigned_int((int32_t)(uint32_t)(uint8_t)INT8_MIN); |
242 | convert_signed_int_to_unsigned_char((int32_t)(uint32_t)(uint8_t)INT8_MIN); |
243 | convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN); |
244 | convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN); |
245 | convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN); |
246 | convert_unsigned_int_to_signed_char((uint32_t)(uint8_t)INT8_MIN); |
247 | // CHECK-V4: {{.*}}signed-integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 128 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed) |
248 | convert_signed_int_to_signed_char((int32_t)(uint32_t)(uint8_t)INT8_MIN); |
249 | // CHECK-V4: {{.*}}signed-integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 128 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed) |
250 | #elif defined(V5) |
251 | // All bits except the destination 'sign' bit are set. |
252 | convert_unsigned_int_to_unsigned_int((~((uint32_t)(uint8_t)INT8_MIN))); |
253 | convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN); |
254 | convert_signed_int_to_signed_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN))); |
255 | convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN); |
256 | convert_unsigned_int_to_unsigned_char((~((uint32_t)(uint8_t)INT8_MIN))); |
257 | convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN); |
258 | convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN); |
259 | convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN); |
260 | convert_unsigned_int_to_signed_int((~((uint32_t)(uint8_t)INT8_MIN))); |
261 | convert_signed_int_to_unsigned_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN))); |
262 | convert_signed_int_to_unsigned_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN))); |
263 | // CHECK-V5: {{.*}}signed-integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -129 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned) |
264 | convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN); |
265 | convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN); |
266 | convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN); |
267 | convert_unsigned_int_to_signed_char((~((uint32_t)(uint8_t)INT8_MIN))); |
268 | // CHECK-V5: {{.*}}signed-integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967167 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed) |
269 | convert_signed_int_to_signed_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN))); |
270 | // CHECK-V5: {{.*}}signed-integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -129 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed) |
271 | #elif defined(V6) |
272 | // Only the source and destination sign bits are set. |
273 | convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN); |
274 | convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN); |
275 | convert_signed_int_to_signed_int((int32_t)INT32_MIN); |
276 | convert_signed_char_to_signed_char((int8_t)INT8_MIN); |
277 | convert_unsigned_int_to_unsigned_char(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)); |
278 | convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN); |
279 | convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN); |
280 | convert_signed_char_to_signed_int((int8_t)INT8_MIN); |
281 | convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN); |
282 | convert_signed_int_to_unsigned_int((uint32_t)INT32_MIN); |
283 | convert_signed_int_to_unsigned_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))); |
284 | // CHECK-V6: {{.*}}signed-integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483520 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 128 (8-bit, unsigned) |
285 | convert_signed_char_to_unsigned_char((int8_t)INT8_MIN); |
286 | convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN); |
287 | convert_signed_char_to_unsigned_int((int8_t)INT8_MIN); |
288 | convert_unsigned_int_to_signed_char((((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))); |
289 | // CHECK-V6: {{.*}}signed-integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483776 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed) |
290 | convert_signed_int_to_signed_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))); |
291 | // CHECK-V6: {{.*}}signed-integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value -2147483520 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to -128 (8-bit, signed) |
292 | #elif defined(V7) |
293 | // All bits except the source and destination sign bits are set. |
294 | convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX); |
295 | convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX); |
296 | convert_signed_int_to_signed_int((int32_t)INT32_MAX); |
297 | convert_signed_char_to_signed_char((int8_t)INT8_MAX); |
298 | convert_unsigned_int_to_unsigned_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))); |
299 | convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX); |
300 | convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX); |
301 | convert_signed_char_to_signed_int((int8_t)INT8_MAX); |
302 | convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX); |
303 | convert_signed_int_to_unsigned_int((uint32_t)INT32_MAX); |
304 | convert_signed_int_to_unsigned_char((int32_t)(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)))); |
305 | // CHECK-V7: {{.*}}signed-integer-truncation.c:1100:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483519 (32-bit, signed) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned) |
306 | convert_signed_char_to_unsigned_char((int8_t)INT8_MAX); |
307 | convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX); |
308 | convert_signed_char_to_unsigned_int((int8_t)INT8_MAX); |
309 | convert_unsigned_int_to_signed_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))); |
310 | // CHECK-V7: {{.*}}signed-integer-truncation.c:1500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483519 (32-bit, unsigned) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed) |
311 | convert_signed_int_to_signed_char((int32_t)~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))); |
312 | // CHECK-V7: {{.*}}signed-integer-truncation.c:1600:10: runtime error: implicit conversion from type '{{.*}}' (aka 'int') of value 2147483519 (32-bit, signed) to type '{{.*}}' (aka '{{(signed )?}}char') changed the value to 127 (8-bit, signed) |
313 | #else |
314 | #error Some V* needs to be defined! |
315 | #endif |
316 | |
317 | return 0; |
318 | } |
319 | |