1 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -target-cpu core2 -fopenmp -x c -emit-llvm %s -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -target-cpu core2 -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -target-cpu core2 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 
5 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -target-cpu core2 -fopenmp-simd -x c -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
6 // RUN: %clang_cc1 -fopenmp-simd -x c -triple x86_64-apple-darwin10 -target-cpu core2 -emit-pch -o %t %s
7 // RUN: %clang_cc1 -fopenmp-simd -x c -triple x86_64-apple-darwin10 -target-cpu core2 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
8 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
9 // expected-no-diagnostics
10 // REQUIRES: x86-registered-target
11 #ifndef HEADER
12 #define HEADER
13 
14 _Bool bv, bx;
15 char cv, cx;
16 unsigned char ucv, ucx;
17 short sv, sx;
18 unsigned short usv, usx;
19 int iv, ix;
20 unsigned int uiv, uix;
21 long lv, lx;
22 unsigned long ulv, ulx;
23 long long llv, llx;
24 unsigned long long ullv, ullx;
25 float fv, fx;
26 double dv, dx;
27 long double ldv, ldx;
28 _Complex int civ, cix;
29 _Complex float cfv, cfx;
30 _Complex double cdv, cdx;
31 
32 typedef int int4 __attribute__((__vector_size__(16)));
33 int4 int4x;
34 
35 struct BitFields {
36   int : 32;
37   int a : 31;
38 } bfx;
39 
40 struct BitFields_packed {
41   int : 32;
42   int a : 31;
43 } __attribute__ ((__packed__)) bfx_packed;
44 
45 struct BitFields2 {
46   int : 31;
47   int a : 1;
48 } bfx2;
49 
50 struct BitFields2_packed {
51   int : 31;
52   int a : 1;
53 } __attribute__ ((__packed__)) bfx2_packed;
54 
55 struct BitFields3 {
56   int : 11;
57   int a : 14;
58 } bfx3;
59 
60 struct BitFields3_packed {
61   int : 11;
62   int a : 14;
63 } __attribute__ ((__packed__)) bfx3_packed;
64 
65 struct BitFields4 {
66   short : 16;
67   int a: 1;
68   long b : 7;
69 } bfx4;
70 
71 struct BitFields4_packed {
72   short : 16;
73   int a: 1;
74   long b : 7;
75 } __attribute__ ((__packed__)) bfx4_packed;
76 
77 typedef float float2 __attribute__((ext_vector_type(2)));
78 float2 float2x;
79 
80 // Register "0" is currently an invalid register for global register variables.
81 // Use "esp" instead of "0".
82 // register int rix __asm__("0");
83 register int rix __asm__("esp");
84 
85 int main() {
86 // CHECK: load atomic i8, i8*
87 // CHECK: store i8
88 #pragma omp atomic read
89   bv = bx;
90 // CHECK: load atomic i8, i8*
91 // CHECK: store i8
92 #pragma omp atomic read
93   cv = cx;
94 // CHECK: load atomic i8, i8*
95 // CHECK: store i8
96 #pragma omp atomic read
97   ucv = ucx;
98 // CHECK: load atomic i16, i16*
99 // CHECK: store i16
100 #pragma omp atomic read
101   sv = sx;
102 // CHECK: load atomic i16, i16*
103 // CHECK: store i16
104 #pragma omp atomic read
105   usv = usx;
106 // CHECK: load atomic i32, i32*
107 // CHECK: store i32
108 #pragma omp atomic read
109   iv = ix;
110 // CHECK: load atomic i32, i32*
111 // CHECK: store i32
112 #pragma omp atomic read
113   uiv = uix;
114 // CHECK: load atomic i64, i64*
115 // CHECK: store i64
116 #pragma omp atomic read
117   lv = lx;
118 // CHECK: load atomic i64, i64*
119 // CHECK: store i64
120 #pragma omp atomic read
121   ulv = ulx;
122 // CHECK: load atomic i64, i64*
123 // CHECK: store i64
124 #pragma omp atomic read
125   llv = llx;
126 // CHECK: load atomic i64, i64*
127 // CHECK: store i64
128 #pragma omp atomic read
129   ullv = ullx;
130 // CHECK: load atomic i32, i32* bitcast (float*
131 // CHECK: bitcast i32 {{.*}} to float
132 // CHECK: store float
133 #pragma omp atomic read
134   fv = fx;
135 // CHECK: load atomic i64, i64* bitcast (double*
136 // CHECK: bitcast i64 {{.*}} to double
137 // CHECK: store double
138 #pragma omp atomic read
139   dv = dx;
140 // CHECK: [[LD:%.+]] = load atomic i128, i128* bitcast (x86_fp80*
141 // CHECK: [[BITCAST:%.+]] = bitcast x86_fp80* [[LDTEMP:%.*]] to i128*
142 // CHECK: store i128 [[LD]], i128* [[BITCAST]]
143 // CHECK: [[LD:%.+]] = load x86_fp80, x86_fp80* [[LDTEMP]]
144 // CHECK: store x86_fp80 [[LD]]
145 #pragma omp atomic read
146   ldv = ldx;
147 // CHECK: call{{.*}} void @__atomic_load(i64 8,
148 // CHECK: store i32
149 // CHECK: store i32
150 #pragma omp atomic read
151   civ = cix;
152 // CHECK: call{{.*}} void @__atomic_load(i64 8,
153 // CHECK: store float
154 // CHECK: store float
155 #pragma omp atomic read
156   cfv = cfx;
157 // CHECK: call{{.*}} void @__atomic_load(i64 16,
158 // CHECK: call{{.*}} @__kmpc_flush(
159 // CHECK: store double
160 // CHECK: store double
161 #pragma omp atomic seq_cst read
162   cdv = cdx;
163 // CHECK: load atomic i64, i64*
164 // CHECK: store i8
165 #pragma omp atomic read
166   bv = ulx;
167 // CHECK: load atomic i8, i8*
168 // CHECK: store i8
169 #pragma omp atomic read
170   cv = bx;
171 // CHECK: load atomic i8, i8*
172 // CHECK: call{{.*}} @__kmpc_flush(
173 // CHECK: store i8
174 #pragma omp atomic read, seq_cst
175   ucv = cx;
176 // CHECK: load atomic i64, i64*
177 // CHECK: store i16
178 #pragma omp atomic read
179   sv = ulx;
180 // CHECK: load atomic i64, i64*
181 // CHECK: store i16
182 #pragma omp atomic read
183   usv = lx;
184 // CHECK: load atomic i32, i32*
185 // CHECK: call{{.*}} @__kmpc_flush(
186 // CHECK: store i32
187 #pragma omp atomic seq_cst, read
188   iv = uix;
189 // CHECK: load atomic i32, i32*
190 // CHECK: store i32
191 #pragma omp atomic read
192   uiv = ix;
193 // CHECK: call{{.*}} void @__atomic_load(i64 8,
194 // CHECK: store i64
195 #pragma omp atomic read
196   lv = cix;
197 // CHECK: load atomic i32, i32*
198 // CHECK: store i64
199 #pragma omp atomic read
200   ulv = fx;
201 // CHECK: load atomic i64, i64*
202 // CHECK: store i64
203 #pragma omp atomic read
204   llv = dx;
205 // CHECK: load atomic i128, i128*
206 // CHECK: store i64
207 #pragma omp atomic read
208   ullv = ldx;
209 // CHECK: call{{.*}} void @__atomic_load(i64 8,
210 // CHECK: store float
211 #pragma omp atomic read
212   fv = cix;
213 // CHECK: load atomic i16, i16*
214 // CHECK: store double
215 #pragma omp atomic read
216   dv = sx;
217 // CHECK: load atomic i8, i8*
218 // CHECK: store x86_fp80
219 #pragma omp atomic read
220   ldv = bx;
221 // CHECK: load atomic i8, i8*
222 // CHECK: store i32
223 // CHECK: store i32
224 #pragma omp atomic read
225   civ = bx;
226 // CHECK: load atomic i16, i16*
227 // CHECK: store float
228 // CHECK: store float
229 #pragma omp atomic read
230   cfv = usx;
231 // CHECK: load atomic i64, i64*
232 // CHECK: store double
233 // CHECK: store double
234 #pragma omp atomic read
235   cdv = llx;
236 // CHECK: [[I128VAL:%.+]] = load atomic i128, i128* bitcast (<4 x i32>* @{{.+}} to i128*) monotonic
237 // CHECK: [[I128PTR:%.+]] = bitcast <4 x i32>* [[LDTEMP:%.+]] to i128*
238 // CHECK: store i128 [[I128VAL]], i128* [[I128PTR]]
239 // CHECK: [[LD:%.+]] = load <4 x i32>, <4 x i32>* [[LDTEMP]]
240 // CHECK: extractelement <4 x i32> [[LD]]
241 // CHECK: store i8
242 #pragma omp atomic read
243   bv = int4x[0];
244 // CHECK: [[LD:%.+]] = load atomic i32, i32* bitcast (i8* getelementptr (i8, i8* bitcast (%{{.+}}* @{{.+}} to i8*), i64 4) to i32*) monotonic
245 // CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
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.a;
252 // CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i32* [[LDTEMP:%.+]] to i8*
253 // 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)
254 // CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
255 // CHECK: [[SHL:%.+]] = shl i32 [[LD]], 1
256 // CHECK: ashr i32 [[SHL]], 1
257 // CHECK: store x86_fp80
258 #pragma omp atomic read
259   ldv = bfx_packed.a;
260 // CHECK: [[LD:%.+]] = load atomic i32, i32* getelementptr inbounds (%struct.BitFields2, %struct.BitFields2* @bfx2, i32 0, i32 0) monotonic
261 // CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
262 // CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
263 // CHECK: ashr i32 [[LD]], 31
264 // CHECK: store x86_fp80
265 #pragma omp atomic read
266   ldv = bfx2.a;
267 // CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr (i8, i8* bitcast (%struct.BitFields2_packed* @bfx2_packed to i8*), i64 3) monotonic
268 // CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
269 // CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
270 // CHECK: ashr i8 [[LD]], 7
271 // CHECK: store x86_fp80
272 #pragma omp atomic read
273   ldv = bfx2_packed.a;
274 // CHECK: [[LD:%.+]] = load atomic i32, i32* getelementptr inbounds (%struct.BitFields3, %struct.BitFields3* @bfx3, i32 0, i32 0) monotonic
275 // CHECK: store i32 [[LD]], i32* [[LDTEMP:%.+]]
276 // CHECK: [[LD:%.+]] = load i32, i32* [[LDTEMP]]
277 // CHECK: [[SHL:%.+]] = shl i32 [[LD]], 7
278 // CHECK: ashr i32 [[SHL]], 18
279 // CHECK: store x86_fp80
280 #pragma omp atomic read
281   ldv = bfx3.a;
282 // CHECK: [[LDTEMP_VOID_PTR:%.+]] = bitcast i24* [[LDTEMP:%.+]] to i8*
283 // 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)
284 // CHECK: [[LD:%.+]] = load i24, i24* [[LDTEMP]]
285 // CHECK: [[SHL:%.+]] = shl i24 [[LD]], 7
286 // CHECK: [[ASHR:%.+]] = ashr i24 [[SHL]], 10
287 // CHECK: sext i24 [[ASHR]] to i32
288 // CHECK: store x86_fp80
289 #pragma omp atomic read
290   ldv = bfx3_packed.a;
291 // CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic
292 // CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
293 // CHECK: [[LD:%.+]] = load i64, i64* [[LDTEMP]]
294 // CHECK: [[SHL:%.+]] = shl i64 [[LD]], 47
295 // CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 63
296 // CHECK: trunc i64 [[ASHR]] to i32
297 // CHECK: store x86_fp80
298 #pragma omp atomic read
299   ldv = bfx4.a;
300 // CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr inbounds (%struct.BitFields4_packed, %struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) monotonic
301 // CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
302 // CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
303 // CHECK: [[SHL:%.+]] = shl i8 [[LD]], 7
304 // CHECK: [[ASHR:%.+]] = ashr i8 [[SHL]], 7
305 // CHECK: sext i8 [[ASHR]] to i32
306 // CHECK: store x86_fp80
307 #pragma omp atomic relaxed read
308   ldv = bfx4_packed.a;
309 // CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (%struct.BitFields4* @bfx4 to i64*) monotonic
310 // CHECK: store i64 [[LD]], i64* [[LDTEMP:%.+]]
311 // CHECK: [[LD:%.+]] = load i64, i64* [[LDTEMP]]
312 // CHECK: [[SHL:%.+]] = shl i64 [[LD]], 40
313 // CHECK: [[ASHR:%.+]] = ashr i64 [[SHL]], 57
314 // CHECK: store x86_fp80
315 #pragma omp atomic read relaxed
316   ldv = bfx4.b;
317 // CHECK: [[LD:%.+]] = load atomic i8, i8* getelementptr inbounds (%struct.BitFields4_packed, %struct.BitFields4_packed* @bfx4_packed, i32 0, i32 0, i64 2) acquire
318 // CHECK: store i8 [[LD]], i8* [[LDTEMP:%.+]]
319 // CHECK: [[LD:%.+]] = load i8, i8* [[LDTEMP]]
320 // CHECK: [[ASHR:%.+]] = ashr i8 [[LD]], 1
321 // CHECK: sext i8 [[ASHR]] to i64
322 // CHECK: call{{.*}} @__kmpc_flush(
323 // CHECK: store x86_fp80
324 #pragma omp atomic read acquire
325   ldv = bfx4_packed.b;
326 // CHECK: [[LD:%.+]] = load atomic i64, i64* bitcast (<2 x float>* @{{.+}} to i64*) monotonic
327 // CHECK: [[BITCAST:%.+]] = bitcast <2 x float>* [[LDTEMP:%.+]] to i64*
328 // CHECK: store i64 [[LD]], i64* [[BITCAST]]
329 // CHECK: [[LD:%.+]] = load <2 x float>, <2 x float>* [[LDTEMP]]
330 // CHECK: extractelement <2 x float> [[LD]]
331 // CHECK: store i64
332 #pragma omp atomic read
333   ulv = float2x.x;
334 // CHECK: call{{.*}} i{{[0-9]+}} @llvm.read_register
335 // CHECK: call{{.*}} @__kmpc_flush(
336 // CHECK: store double
337 #pragma omp atomic read seq_cst
338   dv = rix;
339   return 0;
340 }
341 
342 #endif
343