1 | // RUN: %clang_cc1 %s -verify -fsyntax-only -Weverything -triple x86_64-apple-darwin10 |
2 | |
3 | // Test the compatibility of clang's vector extensions with gcc's vector |
4 | // extensions for C. Notably &&, ||, ?: and ! are not available. |
5 | typedef long long v2i64 __attribute__((vector_size(16))); |
6 | typedef int v2i32 __attribute__((vector_size(8))); |
7 | typedef short v2i16 __attribute__((vector_size(4))); |
8 | typedef char v2i8 __attribute__((vector_size(2))); |
9 | |
10 | typedef unsigned long long v2u64 __attribute__((vector_size(16))); |
11 | typedef unsigned int v2u32 __attribute__((vector_size(8))); |
12 | typedef unsigned short v2u16 __attribute__((vector_size(4))); |
13 | typedef unsigned char v2u8 __attribute__((vector_size(2))); |
14 | |
15 | typedef float v4f32 __attribute__((vector_size(16))); |
16 | typedef double v2f64 __attribute__((vector_size(16))); |
17 | typedef double v4f64 __attribute__((vector_size(32))); |
18 | typedef int v4i32 __attribute((vector_size(16))); |
19 | |
20 | void arithmeticTest(void); |
21 | void logicTest(void); |
22 | void comparisonTest(void); |
23 | void floatTestSignedType(char a, short b, int c, long long d); |
24 | void floatTestUnsignedType(unsigned char a, unsigned short b, unsigned int c, |
25 | unsigned long long d); |
26 | void floatTestConstant(void); |
27 | void intTestType(char a, short b, int c, long long d); |
28 | void intTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
29 | unsigned long long d); |
30 | void uintTestType(char a, short b, int c, long long d); |
31 | void uintTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
32 | unsigned long long d); |
33 | void uintTestConstant(v2u64 v2u64_a, v2u32 v2u32_a, v2u16 v2u16_a, v2u8 v2u8_a); |
34 | void intTestConstant(v2i64 v2i64_a, v2i32 v2i32_a, v2i16 v2i16_a, v2i8 v2i8_a); |
35 | |
36 | void arithmeticTest(void) { |
37 | v2i64 v2i64_a = (v2i64){0, 1}; |
38 | v2i64 v2i64_r; |
39 | |
40 | v2i64_r = v2i64_a + 1; |
41 | v2i64_r = v2i64_a - 1; |
42 | v2i64_r = v2i64_a * 1; |
43 | v2i64_r = v2i64_a / 1; |
44 | v2i64_r = v2i64_a % 1; |
45 | |
46 | v2i64_r = 1 + v2i64_a; |
47 | v2i64_r = 1 - v2i64_a; |
48 | v2i64_r = 1 * v2i64_a; |
49 | v2i64_r = 1 / v2i64_a; |
50 | v2i64_r = 1 % v2i64_a; |
51 | |
52 | v2i64_a += 1; |
53 | v2i64_a -= 1; |
54 | v2i64_a *= 1; |
55 | v2i64_a /= 1; |
56 | v2i64_a %= 1; |
57 | } |
58 | |
59 | void comparisonTest(void) { |
60 | v2i64 v2i64_a = (v2i64){0, 1}; |
61 | v2i64 v2i64_r; |
62 | |
63 | v2i64_r = v2i64_a == 1; |
64 | v2i64_r = v2i64_a != 1; |
65 | v2i64_r = v2i64_a < 1; |
66 | v2i64_r = v2i64_a > 1; |
67 | v2i64_r = v2i64_a <= 1; |
68 | v2i64_r = v2i64_a >= 1; |
69 | |
70 | v2i64_r = 1 == v2i64_a; |
71 | v2i64_r = 1 != v2i64_a; |
72 | v2i64_r = 1 < v2i64_a; |
73 | v2i64_r = 1 > v2i64_a; |
74 | v2i64_r = 1 <= v2i64_a; |
75 | v2i64_r = 1 >= v2i64_a; |
76 | } |
77 | |
78 | void logicTest(void) { |
79 | v2i64 v2i64_a = (v2i64){0, 1}; |
80 | v2i64 v2i64_b = (v2i64){2, 1}; |
81 | v2i64 v2i64_c = (v2i64){3, 1}; |
82 | v2i64 v2i64_r; |
83 | |
84 | v2i64_r = !v2i64_a; // expected-error {{invalid argument type 'v2i64' (vector of 2 'long long' values) to unary expression}} |
85 | v2i64_r = ~v2i64_a; |
86 | |
87 | v2i64_r = v2i64_a ? v2i64_b : v2i64_c; // expected-error {{used type 'v2i64' (vector of 2 'long long' values) where arithmetic or pointer type is required}} |
88 | |
89 | v2i64_r = v2i64_a & 1; |
90 | v2i64_r = v2i64_a | 1; |
91 | v2i64_r = v2i64_a ^ 1; |
92 | |
93 | v2i64_r = 1 & v2i64_a; |
94 | v2i64_r = 1 | v2i64_a; |
95 | v2i64_r = 1 ^ v2i64_a; |
96 | |
97 | v2i64_a &= 1; |
98 | v2i64_a |= 1; |
99 | v2i64_a ^= 1; |
100 | |
101 | v2i64_r = v2i64_a && 1; // expected-error {{logical expression with vector type 'v2i64' (vector of 2 'long long' values) and non-vector type 'int' is only supported in C++}} |
102 | v2i64_r = v2i64_a || 1; // expected-error {{logical expression with vector type 'v2i64' (vector of 2 'long long' values) and non-vector type 'int' is only supported in C++}} |
103 | |
104 | v2i64_r = v2i64_a && v2i64_a; // expected-error {{logical expression with vector types 'v2i64' (vector of 2 'long long' values) and 'v2i64' is only supported in C++}} |
105 | v2i64_r = v2i64_a || v2i64_a; // expected-error {{logical expression with vector types 'v2i64' (vector of 2 'long long' values) and 'v2i64' is only supported in C++}} |
106 | |
107 | v2i64_r = v2i64_a << 1; |
108 | v2i64_r = v2i64_a >> 1; |
109 | |
110 | v2i64_r = 1 << v2i64_a; |
111 | v2i64_r = 1 >> v2i64_a; |
112 | |
113 | v2i64_a <<= 1; |
114 | v2i64_a >>= 1; |
115 | } |
116 | |
117 | // For operations with floating point types, we check that integer constants |
118 | // can be respresented, or failing that checking based on the integer types. |
119 | void floatTestConstant(void) { |
120 | // Test that constants added to floats must be expressible as floating point |
121 | // numbers. |
122 | v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
123 | v4f32_a = v4f32_a + 1; |
124 | v4f32_a = v4f32_a + 0xFFFFFF; |
125 | v4f32_a = v4f32_a + (-1567563LL); |
126 | v4f32_a = v4f32_a + (16777208); |
127 | v4f32_a = v4f32_a + (16777219); // expected-error {{cannot convert between scalar type 'int' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
128 | } |
129 | |
130 | void floatTestConstantComparison(void); |
131 | void doubleTestConstantComparison(void); |
132 | |
133 | void floatTestConstantComparison(void) { |
134 | v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
135 | v4i32 v4i32_r; |
136 | v4i32_r = v4f32_a > 0.4f; |
137 | v4i32_r = v4f32_a >= 0.4f; |
138 | v4i32_r = v4f32_a < 0.4f; |
139 | v4i32_r = v4f32_a <= 0.4f; |
140 | v4i32_r = v4f32_a == 0.4f; // expected-warning {{comparing floating point with == or != is unsafe}} |
141 | v4i32_r = v4f32_a != 0.4f; // expected-warning {{comparing floating point with == or != is unsafe}} |
142 | } |
143 | |
144 | void doubleTestConstantComparison(void) { |
145 | v2f64 v2f64_a = {0.4, 0.4}; |
146 | v2i64 v2i64_r; |
147 | v2i64_r = v2f64_a > 0.4; |
148 | v2i64_r = v2f64_a >= 0.4; |
149 | v2i64_r = v2f64_a < 0.4; |
150 | v2i64_r = v2f64_a <= 0.4; |
151 | v2i64_r = v2f64_a == 0.4; // expected-warning {{comparing floating point with == or != is unsafe}} |
152 | v2i64_r = v2f64_a != 0.4; // expected-warning {{comparing floating point with == or != is unsafe}} |
153 | } |
154 | |
155 | void floatTestUnsignedType(unsigned char a, unsigned short b, unsigned int c, |
156 | unsigned long long d) { |
157 | v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
158 | v4f64 v4f64_b = {0.4, 0.4, 0.4, 0.4}; |
159 | |
160 | v4f32_a = v4f32_a + a; |
161 | v4f32_a = v4f32_a + b; |
162 | v4f32_a = v4f32_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
163 | v4f32_a = v4f32_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
164 | |
165 | v4f64_b = v4f64_b + a; |
166 | v4f64_b = v4f64_b + b; |
167 | v4f64_b = v4f64_b + c; |
168 | v4f64_b = v4f64_b + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v4f64' (vector of 4 'double' values) as implicit conversion would cause truncation}} |
169 | } |
170 | |
171 | void floatTestSignedType(char a, short b, int c, long long d) { |
172 | v4f32 v4f32_a = {0.4f, 0.4f, 0.4f, 0.4f}; |
173 | v4f64 v4f64_b = {0.4, 0.4, 0.4, 0.4}; |
174 | |
175 | v4f32_a = v4f32_a + a; |
176 | v4f32_a = v4f32_a + b; |
177 | v4f32_a = v4f32_a + c; // expected-error {{cannot convert between scalar type 'int' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
178 | v4f32_a = v4f32_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v4f32' (vector of 4 'float' values) as implicit conversion would cause truncation}} |
179 | |
180 | v4f64_b = v4f64_b + a; |
181 | v4f64_b = v4f64_b + b; |
182 | v4f64_b = v4f64_b + c; |
183 | v4f64_b = v4f64_b + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v4f64' (vector of 4 'double' values) as implicit conversion would cause truncation}} |
184 | } |
185 | |
186 | void intTestType(char a, short b, int c, long long d) { |
187 | v2i64 v2i64_a = {1, 2}; |
188 | v2i32 v2i32_a = {1, 2}; |
189 | v2i16 v2i16_a = {1, 2}; |
190 | v2i8 v2i8_a = {1, 2}; |
191 | |
192 | v2i64_a = v2i64_a + d; |
193 | v2i64_a = v2i64_a + c; |
194 | v2i64_a = v2i64_a + b; |
195 | v2i64_a = v2i64_a + a; |
196 | |
197 | v2i32_a = v2i32_a + d; // expected-warning {{implicit conversion loses integer precision: 'long long' to 'v2i32' (vector of 2 'int' values)}} |
198 | v2i32_a = v2i32_a + c; |
199 | v2i32_a = v2i32_a + b; |
200 | v2i32_a = v2i32_a + a; |
201 | |
202 | v2i16_a = v2i16_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2i16' (vector of 2 'short' values) as implicit conversion would cause truncation}} |
203 | v2i16_a = v2i16_a + c; // expected-warning {{implicit conversion loses integer precision: 'int' to 'v2i16' (vector of 2 'short' values)}} |
204 | v2i16_a = v2i16_a + b; |
205 | v2i16_a = v2i16_a + a; |
206 | |
207 | v2i8_a = v2i8_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
208 | v2i8_a = v2i8_a + c; // expected-error {{cannot convert between scalar type 'int' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
209 | v2i8_a = v2i8_a + b; // expected-warning {{implicit conversion loses integer precision: 'short' to 'v2i8' (vector of 2 'char' values)}} |
210 | v2i8_a = v2i8_a + a; |
211 | } |
212 | |
213 | void intTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
214 | unsigned long long d) { |
215 | v2i64 v2i64_a = {1, 2}; |
216 | v2i32 v2i32_a = {1, 2}; |
217 | v2i16 v2i16_a = {1, 2}; |
218 | v2i8 v2i8_a = {1, 2}; |
219 | |
220 | v2i64_a = v2i64_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2i64' (vector of 2 'long long' values) as implicit conversion would cause truncation}} |
221 | |
222 | v2i64_a = v2i64_a + c; |
223 | v2i64_a = v2i64_a + b; |
224 | v2i64_a = v2i64_a + a; |
225 | |
226 | v2i32_a = v2i32_a + d; // expected-warning {{implicit conversion loses integer precision: 'unsigned long long' to 'v2i32' (vector of 2 'int' values)}} |
227 | v2i32_a = v2i32_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v2i32' (vector of 2 'int' values) as implicit conversion would cause truncation}} |
228 | v2i32_a = v2i32_a + b; |
229 | v2i32_a = v2i32_a + a; |
230 | |
231 | v2i16_a = v2i16_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2i16' (vector of 2 'short' values) as implicit conversion would cause truncation}} |
232 | v2i16_a = v2i16_a + c; // expected-warning {{implicit conversion loses integer precision: 'unsigned int' to 'v2i16' (vector of 2 'short' values)}} |
233 | v2i16_a = v2i16_a + b; // expected-error {{cannot convert between scalar type 'unsigned short' and vector type 'v2i16' (vector of 2 'short' values) as implicit conversion would cause truncation}} |
234 | v2i16_a = v2i16_a + a; |
235 | |
236 | v2i8_a = v2i8_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
237 | v2i8_a = v2i8_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
238 | v2i8_a = v2i8_a + b; // expected-warning {{implicit conversion loses integer precision: 'unsigned short' to 'v2i8' (vector of 2 'char' values)}} |
239 | v2i8_a = v2i8_a + a; // expected-error {{cannot convert between scalar type 'unsigned char' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
240 | } |
241 | |
242 | void uintTestType(char a, short b, int c, long long d) { |
243 | v2u64 v2u64_a = {1, 2}; |
244 | v2u32 v2u32_a = {1, 2}; |
245 | v2u16 v2u16_a = {1, 2}; |
246 | v2u8 v2u8_a = {1, 2}; |
247 | |
248 | v2u64_a = v2u64_a + d; // expected-warning {{implicit conversion changes signedness: 'long long' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
249 | v2u64_a = v2u64_a + c; // expected-warning {{implicit conversion changes signedness: 'int' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
250 | v2u64_a = v2u64_a + b; // expected-warning {{implicit conversion changes signedness: 'short' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
251 | v2u64_a = v2u64_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u64' (vector of 2 'unsigned long long' values)}} |
252 | |
253 | v2u32_a = v2u32_a + d; // expected-warning {{implicit conversion loses integer precision: 'long long' to 'v2u32' (vector of 2 'unsigned int' values)}} |
254 | v2u32_a = v2u32_a + c; // expected-warning {{implicit conversion changes signedness: 'int' to 'v2u32' (vector of 2 'unsigned int' values)}} |
255 | v2u32_a = v2u32_a + b; // expected-warning {{implicit conversion changes signedness: 'short' to 'v2u32' (vector of 2 'unsigned int' values)}} |
256 | v2u32_a = v2u32_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u32' (vector of 2 'unsigned int' values)}} |
257 | |
258 | v2u16_a = v2u16_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2u16' (vector of 2 'unsigned short' values) as implicit conversion would cause truncation}} |
259 | v2u16_a = v2u16_a + c; // expected-warning {{implicit conversion loses integer precision: 'int' to 'v2u16' (vector of 2 'unsigned short' values)}} |
260 | v2u16_a = v2u16_a + b; // expected-warning {{implicit conversion changes signedness: 'short' to 'v2u16' (vector of 2 'unsigned short' values)}} |
261 | v2u16_a = v2u16_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u16' (vector of 2 'unsigned short' values)}} |
262 | |
263 | v2u8_a = v2u8_a + d; // expected-error {{cannot convert between scalar type 'long long' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
264 | v2u8_a = v2u8_a + c; // expected-error {{cannot convert between scalar type 'int' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
265 | v2u8_a = v2u8_a + b; // expected-warning {{implicit conversion loses integer precision: 'short' to 'v2u8' (vector of 2 'unsigned char' values)}} |
266 | v2u8_a = v2u8_a + a; // expected-warning {{implicit conversion changes signedness: 'char' to 'v2u8' (vector of 2 'unsigned char' values)}} |
267 | } |
268 | |
269 | void uintTestTypeUnsigned(unsigned char a, unsigned short b, unsigned int c, |
270 | unsigned long long d) { |
271 | v2u64 v2u64_a = {1, 2}; |
272 | v2u32 v2u32_a = {1, 2}; |
273 | v2u16 v2u16_a = {1, 2}; |
274 | v2u8 v2u8_a = {1, 2}; |
275 | |
276 | v2u64_a = v2u64_a + d; |
277 | v2u64_a = v2u64_a + c; |
278 | v2u64_a = v2u64_a + b; |
279 | v2u64_a = v2u64_a + a; |
280 | |
281 | v2u32_a = v2u32_a + d; // expected-warning {{implicit conversion loses integer precision: 'unsigned long long' to 'v2u32' (vector of 2 'unsigned int' values)}} |
282 | v2u32_a = v2u32_a + c; |
283 | v2u32_a = v2u32_a + b; |
284 | v2u32_a = v2u32_a + a; |
285 | |
286 | v2u16_a = v2u16_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2u16' (vector of 2 'unsigned short' values) as implicit conversion would cause truncation}} |
287 | v2u16_a = v2u16_a + c; // expected-warning {{implicit conversion loses integer precision: 'unsigned int' to 'v2u16' (vector of 2 'unsigned short' values)}} |
288 | v2u16_a = v2u16_a + b; |
289 | v2u16_a = v2u16_a + a; |
290 | |
291 | v2u8_a = v2u8_a + d; // expected-error {{cannot convert between scalar type 'unsigned long long' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
292 | v2u8_a = v2u8_a + c; // expected-error {{cannot convert between scalar type 'unsigned int' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
293 | v2u8_a = v2u8_a + b; // expected-warning {{implicit conversion loses integer precision: 'unsigned short' to 'v2u8' (vector of 2 'unsigned char' values)}} |
294 | v2u8_a = v2u8_a + a; |
295 | } |
296 | |
297 | void uintTestConstant(v2u64 v2u64_a, v2u32 v2u32_a, v2u16 v2u16_a, |
298 | v2u8 v2u8_a) { |
299 | v2u64_a = v2u64_a + 0xFFFFFFFFFFFFFFFF; |
300 | v2u32_a = v2u32_a + 0xFFFFFFFF; |
301 | v2u16_a = v2u16_a + 0xFFFF; |
302 | v2u8_a = v2u8_a + 0xFF; |
303 | |
304 | v2u32_a = v2u32_a + 0x1FFFFFFFF; // expected-warning {{implicit conversion from 'long' to 'v2u32' (vector of 2 'unsigned int' values) changes value from 8589934591 to 4294967295}} |
305 | v2u16_a = v2u16_a + 0x1FFFF; // expected-warning {{implicit conversion from 'int' to 'v2u16' (vector of 2 'unsigned short' values) changes value from 131071 to 65535}} |
306 | v2u8_a = v2u8_a + 0x1FF; // expected-error {{cannot convert between scalar type 'int' and vector type 'v2u8' (vector of 2 'unsigned char' values) as implicit conversion would cause truncation}} |
307 | } |
308 | |
309 | void intTestConstant(v2i64 v2i64_a, v2i32 v2i32_a, v2i16 v2i16_a, v2i8 v2i8_a) { |
310 | // Legal upper bounds. |
311 | v2i64_a = v2i64_a + (long long)0x7FFFFFFFFFFFFFFF; |
312 | v2i32_a = v2i32_a + (int)0x7FFFFFFF; |
313 | v2i16_a = v2i16_a + (short)0x7FFF; |
314 | v2i8_a = v2i8_a + (char)0x7F; |
315 | |
316 | // Legal lower bounds. |
317 | v2i64_a = v2i64_a + (-9223372036854775807); |
318 | v2i32_a = v2i32_a + (-2147483648); |
319 | v2i16_a = v2i16_a + (-32768); |
320 | v2i8_a = v2i8_a + (-128); |
321 | |
322 | // One increment/decrement more than the type can hold |
323 | v2i32_a = v2i32_a + 2147483648; // expected-warning {{implicit conversion from 'long' to 'v2i32' (vector of 2 'int' values) changes value from 2147483648 to -2147483648}} |
324 | v2i16_a = v2i16_a + 32768; // expected-warning {{implicit conversion from 'int' to 'v2i16' (vector of 2 'short' values) changes value from 32768 to -32768}} |
325 | v2i8_a = v2i8_a + 128; // expected-warning {{implicit conversion from 'int' to 'v2i8' (vector of 2 'char' values) changes value from 128 to -128}} |
326 | |
327 | v2i32_a = v2i32_a + (-2147483649); // expected-warning {{implicit conversion from 'long' to 'v2i32' (vector of 2 'int' values) changes value from -2147483649 to 2147483647}} |
328 | v2i16_a = v2i16_a + (-32769); // expected-warning {{implicit conversion from 'int' to 'v2i16' (vector of 2 'short' values) changes value from -32769 to 32767}} |
329 | v2i8_a = v2i8_a + (-129); // expected-error {{cannot convert between scalar type 'int' and vector type 'v2i8' (vector of 2 'char' values) as implicit conversion would cause truncation}} |
330 | } |
331 | |