1 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -x c -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 // expected-no-diagnostics
5 // REQUIRES: x86-registered-target
6 #ifndef HEADER
7 #define HEADER
8 
9 _Bool bv, bx;
10 char cv, cx;
11 unsigned char ucv, ucx;
12 short sv, sx;
13 unsigned short usv, usx;
14 int iv, ix;
15 unsigned int uiv, uix;
16 long lv, lx;
17 unsigned long ulv, ulx;
18 long long llv, llx;
19 unsigned long long ullv, ullx;
20 float fv, fx;
21 double dv, dx;
22 long double ldv, ldx;
23 _Complex int civ, cix;
24 _Complex float cfv, cfx;
25 _Complex double cdv, cdx;
26 
27 typedef int int4 __attribute__((__vector_size__(16)));
28 int4 int4x;
29 
30 struct BitFields {
31   int : 32;
32   int a : 31;
33 } bfx;
34 
35 struct BitFields_packed {
36   int : 32;
37   int a : 31;
38 } __attribute__ ((__packed__)) bfx_packed;
39 
40 struct BitFields2 {
41   int : 31;
42   int a : 1;
43 } bfx2;
44 
45 struct BitFields2_packed {
46   int : 31;
47   int a : 1;
48 } __attribute__ ((__packed__)) bfx2_packed;
49 
50 struct BitFields3 {
51   int : 11;
52   int a : 14;
53 } bfx3;
54 
55 struct BitFields3_packed {
56   int : 11;
57   int a : 14;
58 } __attribute__ ((__packed__)) bfx3_packed;
59 
60 struct BitFields4 {
61   short : 16;
62   int a: 1;
63   long b : 7;
64 } bfx4;
65 
66 struct BitFields4_packed {
67   short : 16;
68   int a: 1;
69   long b : 7;
70 } __attribute__ ((__packed__)) bfx4_packed;
71 
72 typedef float float2 __attribute__((ext_vector_type(2)));
73 float2 float2x;
74 
75 register int rix __asm__("0");
76 
77 int main() {
78 // CHECK: load atomic i8, i8*
79 // CHECK: store i8
80 #pragma omp atomic read
81   bv = bx;
82 // CHECK: load atomic i8, i8*
83 // CHECK: store i8
84 #pragma omp atomic read
85   cv = cx;
86 // CHECK: load atomic i8, i8*
87 // CHECK: store i8
88 #pragma omp atomic read
89   ucv = ucx;
90 // CHECK: load atomic i16, i16*
91 // CHECK: store i16
92 #pragma omp atomic read
93   sv = sx;
94 // CHECK: load atomic i16, i16*
95 // CHECK: store i16
96 #pragma omp atomic read
97   usv = usx;
98 // CHECK: load atomic i32, i32*
99 // CHECK: store i32
100 #pragma omp atomic read
101   iv = ix;
102 // CHECK: load atomic i32, i32*
103 // CHECK: store i32
104 #pragma omp atomic read
105   uiv = uix;
106 // CHECK: load atomic i64, i64*
107 // CHECK: store i64
108 #pragma omp atomic read
109   lv = lx;
110 // CHECK: load atomic i64, i64*
111 // CHECK: store i64
112 #pragma omp atomic read
113   ulv = ulx;
114 // CHECK: load atomic i64, i64*
115 // CHECK: store i64
116 #pragma omp atomic read
117   llv = llx;
118 // CHECK: load atomic i64, i64*
119 // CHECK: store i64
120 #pragma omp atomic read
121   ullv = ullx;
122 // CHECK: load atomic i32, i32* bitcast (float*
123 // CHECK: bitcast i32 {{.*}} to float
124 // CHECK: store float
125 #pragma omp atomic read
126   fv = fx;
127 // CHECK: load atomic i64, i64* bitcast (double*
128 // CHECK: bitcast i64 {{.*}} to double
129 // CHECK: store double
130 #pragma omp atomic read
131   dv = dx;
132 // CHECK: [[LD:%.+]] = load atomic i128, i128* bitcast (x86_fp80*
133 // CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[LDTEMP:%.*]] to i128*
134 // CHECK: store i128 [[LD]], i128* [[BITCAST]]
135 // CHECK: [[LD:%.+]] = load x86_fp80, x86_fp80* [[LDTEMP]]
136 // CHECK: store x86_fp80 [[LD]]
137 #pragma omp atomic read
138   ldv = ldx;
139 // CHECK: call{{.*}} void @__atomic_load(i64 8,
140 // CHECK: store i32
141 // CHECK: store i32
142 #pragma omp atomic read
143   civ = cix;
144 // CHECK: call{{.*}} void @__atomic_load(i64 8,
145 // CHECK: store float
146 // CHECK: store float
147 #pragma omp atomic read
148   cfv = cfx;
149 // CHECK: call{{.*}} void @__atomic_load(i64 16,
150 // CHECK: call{{.*}} @__kmpc_flush(
151 // CHECK: store double
152 // CHECK: store double
153 #pragma omp atomic seq_cst read
154   cdv = cdx;
155 // CHECK: load atomic i64, i64*
156 // CHECK: store i8
157 #pragma omp atomic read
158   bv = ulx;
159 // CHECK: load atomic i8, i8*
160 // CHECK: store i8
161 #pragma omp atomic read
162   cv = bx;
163 // CHECK: load atomic i8, i8*
164 // CHECK: call{{.*}} @__kmpc_flush(
165 // CHECK: store i8
166 #pragma omp atomic read, seq_cst
167   ucv = cx;
168 // CHECK: load atomic i64, i64*
169 // CHECK: store i16
170 #pragma omp atomic read
171   sv = ulx;
172 // CHECK: load atomic i64, i64*
173 // CHECK: store i16
174 #pragma omp atomic read
175   usv = lx;
176 // CHECK: load atomic i32, i32*
177 // CHECK: call{{.*}} @__kmpc_flush(
178 // CHECK: store i32
179 #pragma omp atomic seq_cst, read
180   iv = uix;
181 // CHECK: load atomic i32, i32*
182 // CHECK: store i32
183 #pragma omp atomic read
184   uiv = ix;
185 // CHECK: call{{.*}} void @__atomic_load(i64 8,
186 // CHECK: store i64
187 #pragma omp atomic read
188   lv = cix;
189 // CHECK: load atomic i32, i32*
190 // CHECK: store i64
191 #pragma omp atomic read
192   ulv = fx;
193 // CHECK: load atomic i64, i64*
194 // CHECK: store i64
195 #pragma omp atomic read
196   llv = dx;
197 // CHECK: load atomic i128, i128*
198 // CHECK: store i64
199 #pragma omp atomic read
200   ullv = ldx;
201 // CHECK: call{{.*}} void @__atomic_load(i64 8,
202 // CHECK: store float
203 #pragma omp atomic read
204   fv = cix;
205 // CHECK: load atomic i16, i16*
206 // CHECK: store double
207 #pragma omp atomic read
208   dv = sx;
209 // CHECK: load atomic i8, i8*
210 // CHECK: store x86_fp80
211 #pragma omp atomic read
212   ldv = bx;
213 // CHECK: load atomic i8, i8*
214 // CHECK: store i32
215 // CHECK: store i32
216 #pragma omp atomic read
217   civ = bx;
218 // CHECK: load atomic i16, i16*
219 // CHECK: store float
220 // CHECK: store float
221 #pragma omp atomic read
222   cfv = usx;
223 // CHECK: load atomic i64, i64*
224 // CHECK: store double
225 // CHECK: store double
226 #pragma omp atomic read
227   cdv = llx;
228 // CHECK: [[I128VAL:%.+]] = load atomic i128, i128* bitcast (<4 x i32>* @{{.+}} to i128*) monotonic
229 // CHECK: [[I128PTR:%.+]] = bitcast <4 x i32>* [[LDTEMP:%.+]] to i128*
230 // CHECK: store i128 [[I128VAL]], i128* [[I128PTR]]
231 // CHECK: [[LD:%.+]] = load <4 x i32>, <4 x i32>* [[LDTEMP]]
232 // CHECK: extractelement <4 x i32> [[LD]]
233 // CHECK: store i8
234 #pragma omp atomic read
235   bv = int4x[0];
236 // CHECK: [[LD:%.+]] = load atomic i32, i32* bitcast (i8* getelementptr (i8, i8* bitcast (%{{.+}}* @{{.+}} to i8*), i64 4) to i32*) monotonic
237 // CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
238 // CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
239 // CHECK: [[SHL:%.+]] = shl i32 [[LD]], 1
240 // CHECK: ashr i32 [[SHL]], 1
241 // CHECK: store x86_fp80
242 #pragma omp atomic read
243   ldv = bfx.a;
244 // CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i32* [[LDTEMP:%.+]] to i8*
245 // CHECK: call void @__atomic_load(i64 4, i8* getelementptr (i8, i8* bitcast (%struct.BitFields_packed* @bfx_packed to i8*), i64 4), i8* [[LDTEMP_VOID_PTR]], i32 0)
246 // CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
247 // CHECK: [[SHL:%.+]] = shl i32 [[LD]], 1
248 // CHECK: ashr i32 [[SHL]], 1
249 // CHECK: store x86_fp80
250 #pragma omp atomic read
251   ldv = bfx_packed.a;
252 // CHECK: [[LD:%.+]] = load atomic i32, i32* getelementptr inbounds (%struct.BitFields2, %struct.BitFields2* @bfx2, i32 0, i32 0) monotonic
253 // CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
254 // CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
255 // CHECK: ashr i32 [[LD]], 31
256 // CHECK: store x86_fp80
257 #pragma omp atomic read
258   ldv = bfx2.a;
259 // CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr (i8, i8* bitcast (%struct.BitFields2_packed* @bfx2_packed to i8*), i64 3) monotonic
260 // CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
261 // CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
262 // CHECK: ashr i8 [[LD]], 7
263 // CHECK: store x86_fp80
264 #pragma omp atomic read
265   ldv = bfx2_packed.a;
266 // CHECK: [[LD:%.+]] = load atomic i32, i32* getelementptr inbounds (%struct.BitFields3, %struct.BitFields3* @bfx3, i32 0, i32 0) monotonic
267 // CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
268 // CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
269 // CHECK: [[SHL:%.+]] = shl i32 [[LD]], 7
270 // CHECK: ashr i32 [[SHL]], 18
271 // CHECK: store x86_fp80
272 #pragma omp atomic read
273   ldv = bfx3.a;
274 // CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i24* [[LDTEMP:%.+]] to i8*
275 // CHECK: call void @__atomic_load(i64 3, i8* getelementptr (i8, i8* bitcast (%struct.BitFields3_packed* @bfx3_packed to i8*), i64 1), i8* [[LDTEMP_VOID_PTR]], i32 0)
276 // CHECK: [[LD:%.+]] = load i24, i24* [[LDTEMP]]
277 // CHECK: [[SHL:%.+]] = shl i24 [[LD]], 7
278 // CHECK: [[ASHR:%.+]] = ashr i24 [[SHL]], 10
279 // CHECK: sext i24 [[ASHR]] to i32
280 // CHECK: store x86_fp80
281 #pragma omp atomic read
282   ldv = bfx3_packed.a;
283 // CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic
284 // CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
285 // CHECK: [[LD:%.+]] = load i64, i64* [[LDTEMP]]
286 // CHECK: [[SHL:%.+]] = shl i64 [[LD]], 47
287 // CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 63
288 // CHECK: trunc i64 [[ASHR]] to i32
289 // CHECK: store x86_fp80
290 #pragma omp atomic read
291   ldv = bfx4.a;
292 // CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr inbounds (%struct.BitFields4_packed, %struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) monotonic
293 // CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
294 // CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
295 // CHECK: [[SHL:%.+]] = shl i8 [[LD]], 7
296 // CHECK: [[ASHR:%.+]] = ashr i8 [[SHL]], 7
297 // CHECK: sext i8 [[ASHR]] to i32
298 // CHECK: store x86_fp80
299 #pragma omp atomic read
300   ldv = bfx4_packed.a;
301 // CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic
302 // CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
303 // CHECK: [[LD:%.+]] = load i64, i64* [[LDTEMP]]
304 // CHECK: [[SHL:%.+]] = shl i64 [[LD]], 40
305 // CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 57
306 // CHECK: store x86_fp80
307 #pragma omp atomic read
308   ldv = bfx4.b;
309 // CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr inbounds (%struct.BitFields4_packed, %struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) monotonic
310 // CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
311 // CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
312 // CHECK: [[ASHR:%.+]] = ashr i8 [[LD]], 1
313 // CHECK: sext i8 [[ASHR]] to i64
314 // CHECK: store x86_fp80
315 #pragma omp atomic read
316   ldv = bfx4_packed.b;
317 // CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (<2 x float>* @{{.+}} to i64*) monotonic
318 // CHECK: [[BITCAST:%.+]] = bitcast <2 x float>* [[LDTEMP:%.+]] to i64*
319 // CHECK: store i64 [[LD]], i64* [[BITCAST]]
320 // CHECK: [[LD:%.+]] = load <2 x float>, <2 x float>* [[LDTEMP]]
321 // CHECK: extractelement <2 x float> [[LD]]
322 // CHECK: store i64
323 #pragma omp atomic read
324   ulv = float2x.x;
325 // CHECK: call{{.*}} i{{[0-9]+}} @llvm.read_register
326 // CHECK: call{{.*}} @__kmpc_flush(
327 // CHECK: store double
328 #pragma omp atomic read seq_cst
329   dv = rix;
330   return 0;
331 }
332 
333 #endif
334