1 // RUN: %clang -x c -fsanitize=implicit-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-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-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-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-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-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-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-integer-truncation %s -DV7 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V7
9
10 // RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV0 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V0
11 // RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV1 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V1
12 // RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV2 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V2
13 // RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV3 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V3
14 // RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV4 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V4
15 // RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV5 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V5
16 // RUN: %clang -x c++ -fsanitize=implicit-integer-truncation %s -DV6 -o %t && %run %t 2>&1 | FileCheck %s --implicit-check-not="implicit conversion" --check-prefixes=CHECK-V6
17 // RUN: %clang -x c++ -fsanitize=implicit-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
convert_unsigned_int_to_unsigned_int(uint32_t x)30 uint32_t convert_unsigned_int_to_unsigned_int(uint32_t x) {
31 #line 100
32 return x;
33 }
34
convert_unsigned_char_to_unsigned_char(uint8_t x)35 uint8_t convert_unsigned_char_to_unsigned_char(uint8_t x) {
36 #line 200
37 return x;
38 }
39
convert_signed_int_to_signed_int(int32_t x)40 int32_t convert_signed_int_to_signed_int(int32_t x) {
41 #line 300
42 return x;
43 }
44
convert_signed_char_to_signed_char(int8_t x)45 int8_t convert_signed_char_to_signed_char(int8_t x) {
46 #line 400
47 return x;
48 }
49
convert_unsigned_int_to_unsigned_char(uint32_t x)50 uint8_t convert_unsigned_int_to_unsigned_char(uint32_t x) {
51 #line 500
52 return x;
53 }
54
convert_unsigned_char_to_unsigned_int(uint8_t x)55 uint32_t convert_unsigned_char_to_unsigned_int(uint8_t x) {
56 #line 600
57 return x;
58 }
59
convert_unsigned_char_to_signed_int(uint8_t x)60 int32_t convert_unsigned_char_to_signed_int(uint8_t x) {
61 #line 700
62 return x;
63 }
64
convert_signed_char_to_signed_int(int8_t x)65 int32_t convert_signed_char_to_signed_int(int8_t x) {
66 #line 800
67 return x;
68 }
69
convert_unsigned_int_to_signed_int(uint32_t x)70 int32_t convert_unsigned_int_to_signed_int(uint32_t x) {
71 #line 900
72 return x;
73 }
74
convert_signed_int_to_unsigned_int(int32_t x)75 uint32_t convert_signed_int_to_unsigned_int(int32_t x) {
76 #line 1000
77 return x;
78 }
79
convert_signed_int_to_unsigned_char(int32_t x)80 uint8_t convert_signed_int_to_unsigned_char(int32_t x) {
81 #line 1100
82 return x;
83 }
84
convert_signed_char_to_unsigned_char(int8_t x)85 uint8_t convert_signed_char_to_unsigned_char(int8_t x) {
86 #line 1200
87 return x;
88 }
89
convert_unsigned_char_to_signed_char(uint8_t x)90 int8_t convert_unsigned_char_to_signed_char(uint8_t x) {
91 #line 1300
92 return x;
93 }
94
convert_signed_char_to_unsigned_int(int8_t x)95 uint32_t convert_signed_char_to_unsigned_int(int8_t x) {
96 #line 1400
97 return x;
98 }
99
convert_unsigned_int_to_signed_char(uint32_t x)100 int8_t convert_unsigned_int_to_signed_char(uint32_t x) {
101 #line 1500
102 return x;
103 }
104
convert_signed_int_to_signed_char(int32_t x)105 int8_t convert_signed_int_to_signed_char(int32_t x) {
106 #line 1600
107 return x;
108 }
109
110 #line 1111 // !!!
111
main()112 int main() {
113 // No bits set.
114 convert_unsigned_int_to_unsigned_int(0);
115 convert_unsigned_char_to_unsigned_char(0);
116 convert_signed_int_to_signed_int(0);
117 convert_signed_char_to_signed_char(0);
118 convert_unsigned_int_to_unsigned_char(0);
119 convert_unsigned_char_to_unsigned_int(0);
120 convert_unsigned_char_to_signed_int(0);
121 convert_signed_char_to_signed_int(0);
122 convert_unsigned_int_to_signed_int(0);
123 convert_signed_int_to_unsigned_int(0);
124 convert_signed_int_to_unsigned_char(0);
125 convert_signed_char_to_unsigned_char(0);
126 convert_unsigned_char_to_signed_char(0);
127 convert_signed_char_to_unsigned_int(0);
128 convert_unsigned_int_to_signed_char(0);
129 convert_signed_int_to_signed_char(0);
130
131 // One lowest bit set.
132 convert_unsigned_int_to_unsigned_int(1);
133 convert_unsigned_char_to_unsigned_char(1);
134 convert_signed_int_to_signed_int(1);
135 convert_signed_char_to_signed_char(1);
136 convert_unsigned_int_to_unsigned_char(1);
137 convert_unsigned_char_to_unsigned_int(1);
138 convert_unsigned_char_to_signed_int(1);
139 convert_signed_char_to_signed_int(1);
140 convert_unsigned_int_to_signed_int(1);
141 convert_signed_int_to_unsigned_int(1);
142 convert_signed_int_to_unsigned_char(1);
143 convert_signed_char_to_unsigned_char(1);
144 convert_unsigned_char_to_signed_char(1);
145 convert_signed_char_to_unsigned_int(1);
146 convert_unsigned_int_to_signed_char(1);
147 convert_signed_int_to_signed_char(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 // CHECK-V0: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967295 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned
157 convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);
158 convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);
159 convert_signed_char_to_signed_int((int8_t)UINT8_MAX);
160 convert_unsigned_int_to_signed_int((uint32_t)UINT32_MAX);
161 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT32_MAX);
162 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT32_MAX);
163 // CHECK-V0: {{.*}}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)
164 convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);
165 convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);
166 convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);
167 convert_unsigned_int_to_signed_char((uint32_t)UINT32_MAX);
168 convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT32_MAX);
169 #elif defined(V1)
170 // Source 'Sign' bit set.
171 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);
172 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);
173 convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MIN);
174 convert_signed_char_to_signed_char((int8_t)INT8_MIN);
175 convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MIN);
176 // CHECK-V1: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483648 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 0 (8-bit, unsigned)
177 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);
178 convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);
179 convert_signed_char_to_signed_int((int8_t)INT8_MIN);
180 convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);
181 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MIN);
182 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MIN);
183 // CHECK-V1: {{.*}}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)
184 convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);
185 convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);
186 convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);
187 convert_unsigned_int_to_signed_char((uint32_t)INT32_MIN);
188 // CHECK-V1: {{.*}}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)
189 convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MIN);
190 // CHECK-V1: {{.*}}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)
191 #elif defined(V2)
192 // All bits except the source 'Sign' bit are set.
193 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);
194 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);
195 convert_signed_int_to_signed_int((int32_t)(uint32_t)INT32_MAX);
196 convert_signed_char_to_signed_char((int8_t)INT8_MAX);
197 convert_unsigned_int_to_unsigned_char((uint32_t)INT32_MAX);
198 // CHECK-V2: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483647 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 255 (8-bit, unsigned)
199 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);
200 convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);
201 convert_signed_char_to_signed_int((int8_t)INT8_MAX);
202 convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);
203 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)INT32_MAX);
204 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)INT32_MAX);
205 // CHECK-V2: {{.*}}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)
206 convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);
207 convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);
208 convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);
209 convert_unsigned_int_to_signed_char((uint32_t)INT32_MAX);
210 // CHECK-V2: {{.*}}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)
211 convert_signed_int_to_signed_char((int32_t)(uint32_t)INT32_MAX);
212 // CHECK-V2: {{.*}}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)
213 #elif defined(V3)
214 // All destination bits set.
215 convert_unsigned_int_to_unsigned_int((uint32_t)UINT8_MAX);
216 convert_unsigned_char_to_unsigned_char((uint8_t)UINT8_MAX);
217 convert_signed_int_to_signed_int((int32_t)(uint32_t)UINT8_MAX);
218 convert_signed_char_to_signed_char((int8_t)UINT8_MAX);
219 convert_unsigned_int_to_unsigned_char((uint32_t)UINT8_MAX);
220 convert_unsigned_char_to_unsigned_int((uint8_t)UINT8_MAX);
221 convert_unsigned_char_to_signed_int((uint8_t)UINT8_MAX);
222 convert_signed_char_to_signed_int((int8_t)UINT8_MAX);
223 convert_unsigned_int_to_signed_int((uint32_t)UINT8_MAX);
224 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)UINT8_MAX);
225 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)UINT8_MAX);
226 convert_signed_char_to_unsigned_char((int8_t)UINT8_MAX);
227 convert_unsigned_char_to_signed_char((uint8_t)UINT8_MAX);
228 convert_signed_char_to_unsigned_int((int8_t)UINT8_MAX);
229 convert_unsigned_int_to_signed_char((uint32_t)UINT8_MAX);
230 // CHECK-V3: {{.*}}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)
231 convert_signed_int_to_signed_char((int32_t)(uint32_t)UINT8_MAX);
232 // CHECK-V3: {{.*}}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)
233 #elif defined(V4)
234 // Destination 'sign' bit set.
235 convert_unsigned_int_to_unsigned_int((uint32_t)(uint8_t)INT8_MIN);
236 convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);
237 convert_signed_int_to_signed_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);
238 convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);
239 convert_unsigned_int_to_unsigned_char((uint32_t)(uint8_t)INT8_MIN);
240 convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);
241 convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);
242 convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);
243 convert_unsigned_int_to_signed_int((uint32_t)(uint8_t)INT8_MIN);
244 convert_signed_int_to_unsigned_int((int32_t)(uint32_t)(uint8_t)INT8_MIN);
245 convert_signed_int_to_unsigned_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);
246 convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);
247 convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);
248 convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);
249 convert_unsigned_int_to_signed_char((uint32_t)(uint8_t)INT8_MIN);
250 // CHECK-V4: {{.*}}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)
251 convert_signed_int_to_signed_char((int32_t)(uint32_t)(uint8_t)INT8_MIN);
252 // CHECK-V4: {{.*}}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)
253 #elif defined(V5)
254 // All bits except the destination 'sign' bit are set.
255 convert_unsigned_int_to_unsigned_int((~((uint32_t)(uint8_t)INT8_MIN)));
256 convert_unsigned_char_to_unsigned_char((uint8_t)(uint8_t)INT8_MIN);
257 convert_signed_int_to_signed_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
258 convert_signed_char_to_signed_char((int8_t)(uint8_t)INT8_MIN);
259 convert_unsigned_int_to_unsigned_char((~((uint32_t)(uint8_t)INT8_MIN)));
260 // CHECK-V5: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 4294967167 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned)
261 convert_unsigned_char_to_unsigned_int((uint8_t)(uint8_t)INT8_MIN);
262 convert_unsigned_char_to_signed_int((uint8_t)(uint8_t)INT8_MIN);
263 convert_signed_char_to_signed_int((int8_t)(uint8_t)INT8_MIN);
264 convert_unsigned_int_to_signed_int((~((uint32_t)(uint8_t)INT8_MIN)));
265 convert_signed_int_to_unsigned_int((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
266 convert_signed_int_to_unsigned_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
267 // CHECK-V5: {{.*}}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)
268 convert_signed_char_to_unsigned_char((int8_t)(uint8_t)INT8_MIN);
269 convert_unsigned_char_to_signed_char((uint8_t)(uint8_t)INT8_MIN);
270 convert_signed_char_to_unsigned_int((int8_t)(uint8_t)INT8_MIN);
271 convert_unsigned_int_to_signed_char((~((uint32_t)(uint8_t)INT8_MIN)));
272 // CHECK-V5: {{.*}}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)
273 convert_signed_int_to_signed_char((int32_t)(~((uint32_t)(uint8_t)INT8_MIN)));
274 // CHECK-V5: {{.*}}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)
275 #elif defined(V6)
276 // Only the source and destination sign bits are set.
277 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MIN);
278 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MIN);
279 convert_signed_int_to_signed_int((int32_t)INT32_MIN);
280 convert_signed_char_to_signed_char((int8_t)INT8_MIN);
281 convert_unsigned_int_to_unsigned_char(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN));
282 // CHECK-V6: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483776 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 128 (8-bit, unsigned)
283 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MIN);
284 convert_unsigned_char_to_signed_int((uint8_t)INT8_MIN);
285 convert_signed_char_to_signed_int((int8_t)INT8_MIN);
286 convert_unsigned_int_to_signed_int((uint32_t)INT32_MIN);
287 convert_signed_int_to_unsigned_int((uint32_t)INT32_MIN);
288 convert_signed_int_to_unsigned_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
289 // CHECK-V6: {{.*}}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)
290 convert_signed_char_to_unsigned_char((int8_t)INT8_MIN);
291 convert_unsigned_char_to_signed_char((uint8_t)INT8_MIN);
292 convert_signed_char_to_unsigned_int((int8_t)INT8_MIN);
293 convert_unsigned_int_to_signed_char((((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
294 // CHECK-V6: {{.*}}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)
295 convert_signed_int_to_signed_char((int32_t)(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
296 // CHECK-V6: {{.*}}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)
297 #elif defined(V7)
298 // All bits except the source and destination sign bits are set.
299 convert_unsigned_int_to_unsigned_int((uint32_t)INT32_MAX);
300 convert_unsigned_char_to_unsigned_char((uint8_t)INT8_MAX);
301 convert_signed_int_to_signed_int((int32_t)INT32_MAX);
302 convert_signed_char_to_signed_char((int8_t)INT8_MAX);
303 convert_unsigned_int_to_unsigned_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
304 // CHECK-V7: {{.*}}integer-truncation.c:500:10: runtime error: implicit conversion from type '{{.*}}' (aka 'unsigned int') of value 2147483519 (32-bit, unsigned) to type '{{.*}}' (aka 'unsigned char') changed the value to 127 (8-bit, unsigned)
305 convert_unsigned_char_to_unsigned_int((uint8_t)INT8_MAX);
306 convert_unsigned_char_to_signed_int((uint8_t)INT8_MAX);
307 convert_signed_char_to_signed_int((int8_t)INT8_MAX);
308 convert_unsigned_int_to_signed_int((uint32_t)INT32_MAX);
309 convert_signed_int_to_unsigned_int((uint32_t)INT32_MAX);
310 convert_signed_int_to_unsigned_char((int32_t)(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN))));
311 // CHECK-V7: {{.*}}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)
312 convert_signed_char_to_unsigned_char((int8_t)INT8_MAX);
313 convert_unsigned_char_to_signed_char((uint8_t)INT8_MAX);
314 convert_signed_char_to_unsigned_int((int8_t)INT8_MAX);
315 convert_unsigned_int_to_signed_char(~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
316 // CHECK-V7: {{.*}}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)
317 convert_signed_int_to_signed_char((int32_t)~(((uint32_t)INT32_MIN) | ((uint32_t)(uint8_t)INT8_MIN)));
318 // CHECK-V7: {{.*}}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)
319 #else
320 #error Some V* needs to be defined!
321 #endif
322
323 return 0;
324 }
325