1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -debug-info-kind=limited -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
4 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
5 // REQUIRES: x86-registered-target
6 // expected-no-diagnostics
7 #ifndef HEADER
8 #define HEADER
9
get_val()10 long long get_val() { return 0; }
11 double *g_ptr;
12
13 // CHECK-LABEL: define {{.*void}} @{{.*}}simple{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
simple(float * a,float * b,float * c,float * d)14 void simple(float *a, float *b, float *c, float *d) {
15 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
16 // CHECK: [[K0:%.+]] = call {{.*}}i64 @{{.*}}get_val
17 // CHECK-NEXT: store i64 [[K0]], i64* [[K_VAR:%[^,]+]]
18 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
19 // CHECK: store i32 12, i32* [[LIN_VAR:%[^,]+]]
20 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
21 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
22 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
23 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
24 // CHECK: store i32 -1, i32* [[A:%.+]],
25 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
26 // CHECK: store i32 -1, i32* [[R:%[^,]+]],
27 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
28 #pragma omp parallel for simd
29 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
30 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
31 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], 5
32 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
33 // CHECK: [[TRUE]]
34 // CHECK: br label %[[SWITCH:[^,]+]]
35 // CHECK: [[FALSE]]
36 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
37 // CHECK: br label %[[SWITCH]]
38 // CHECK: [[SWITCH]]
39 // CHECK: [[UP:%.+]] = phi i32 [ 5, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
40 // CHECK: store i32 [[UP]], i32* [[UB]],
41 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
42 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV:%[^,]+]],
43
44 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
45 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
46 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB_VAL]]
47 // CHECK-NEXT: br i1 [[CMP]], label %[[SIMPLE_LOOP1_BODY:.+]], label %[[SIMPLE_LOOP1_END:[^,]+]]
48 for (int i = 3; i < 32; i += 5) {
49 // CHECK: [[SIMPLE_LOOP1_BODY]]
50 // Start of body: calculate i from IV:
51 // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
52 // CHECK: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 5
53 // CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 3, [[CALC_I_1]]
54 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
55 // ... loop body ...
56 // End of body: store into a[i]:
57 // CHECK: store float [[RESULT:%.+]], float*
58 a[i] = b[i] * c[i] * d[i];
59 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]
60 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
61 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
62 // br label %{{.+}}, !llvm.loop !{{.+}}
63 }
64 // CHECK: [[SIMPLE_LOOP1_END]]
65 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
66
67 long long k = get_val();
68
69 #pragma omp parallel for simd linear(k : 3) schedule(dynamic)
70 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_VAR:%[^,]+]]
71 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
72
73 // CHECK: call void @__kmpc_dispatch_init_4(%ident_t* {{.+}}, i32 %{{.+}}, i32 35, i32 0, i32 8, i32 1, i32 1)
74 // CHECK: [[NEXT:%.+]] = call i32 @__kmpc_dispatch_next_4(%ident_t* {{.+}}, i32 %{{.+}}, i32* %{{.+}}, i32* [[LB:%.+]], i32* [[UB:%.+]], i32* %{{.+}})
75 // CHECK: [[COND:%.+]] = icmp ne i32 [[NEXT]], 0
76 // CHECK: br i1 [[COND]], label %[[CONT:.+]], label %[[END:.+]]
77 // CHECK: [[CONT]]
78 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
79 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV2:%[^,]+]],
80
81 // CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID:[0-9]+]]
82 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
83 // CHECK-NEXT: [[CMP2:%.+]] = icmp sle i32 [[IV2]], [[UB_VAL]]
84 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP2_BODY:.+]], label %[[SIMPLE_LOOP2_END:[^,]+]]
85 for (int i = 10; i > 1; i--) {
86 // CHECK: [[SIMPLE_LOOP2_BODY]]
87 // Start of body: calculate i from IV:
88 // CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
89 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
90 // CHECK-NEXT: [[IV2_1:%.+]] = mul nsw i32 [[IV2_0]], 1
91 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV2_1]]
92 // CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
93 //
94 // CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
95 // CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
96 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV2_2]], 3
97 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
98 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
99 // Update of the privatized version of linear variable!
100 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
101 a[k]++;
102 k = k + 3;
103 // CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
104 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV2_2]], 1
105 // CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
106 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP2_ID]]
107 }
108 // CHECK: [[SIMPLE_LOOP2_END]]
109 //
110 // Update linear vars after loop, as the loop was operating on a private version.
111 // CHECK: [[LIN0_2:%.+]] = load i64, i64* [[LIN0]]
112 // CHECK-NEXT: [[LIN_ADD2:%.+]] = add nsw i64 [[LIN0_2]], 27
113 // CHECK-NEXT: store i64 [[LIN_ADD2]], i64* %{{.+}}
114
115 int lin = 12;
116 #pragma omp parallel for simd linear(lin : get_val()), linear(g_ptr)
117
118 // Init linear private var.
119 // CHECK: [[LIN_VAR:%.+]] = load i32*, i32** %
120 // CHECK: [[LIN_LOAD:%.+]] = load i32, i32* [[LIN_VAR]]
121 // CHECK-NEXT: store i32 [[LIN_LOAD]], i32* [[LIN_START:%[^,]+]]
122 // Remember linear step.
123 // CHECK: [[CALL_VAL:%.+]] = invoke
124 // CHECK: store i64 [[CALL_VAL]], i64* [[LIN_STEP:%[^,]+]]
125
126 // CHECK: [[GLIN_LOAD:%.+]] = load double*, double** [[GLIN_VAR:%.+]],
127 // CHECK-NEXT: store double* [[GLIN_LOAD]], double** [[GLIN_START:%[^,]+]]
128
129 // CHECK: call void @__kmpc_for_static_init_8u(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
130 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
131 // CHECK: [[CMP:%.+]] = icmp ugt i64 [[UB_VAL]], 3
132 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
133 // CHECK: [[TRUE]]
134 // CHECK: br label %[[SWITCH:[^,]+]]
135 // CHECK: [[FALSE]]
136 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
137 // CHECK: br label %[[SWITCH]]
138 // CHECK: [[SWITCH]]
139 // CHECK: [[UP:%.+]] = phi i64 [ 3, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
140 // CHECK: store i64 [[UP]], i64* [[UB]],
141 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
142 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV3:%[^,]+]],
143
144 // CHECK: [[IV3:%.+]] = load i64, i64* [[OMP_IV3]]
145 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
146 // CHECK-NEXT: [[CMP3:%.+]] = icmp ule i64 [[IV3]], [[UB_VAL]]
147 // CHECK-NEXT: br i1 [[CMP3]], label %[[SIMPLE_LOOP3_BODY:.+]], label %[[SIMPLE_LOOP3_END:[^,]+]]
148 for (unsigned long long it = 2000; it >= 600; it-=400) {
149 // CHECK: [[SIMPLE_LOOP3_BODY]]
150 // Start of body: calculate it from IV:
151 // CHECK: [[IV3_0:%.+]] = load i64, i64* [[OMP_IV3]]
152 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul i64 [[IV3_0]], 400
153 // CHECK-NEXT: [[LC_IT_2:%.+]] = sub i64 2000, [[LC_IT_1]]
154 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* {{.+}}
155 //
156 // Linear start and step are used to calculate current value of the linear variable.
157 // CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]
158 // CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]
159 // CHECK-NOT: store i32 {{.+}}, i32* [[LIN_VAR]]
160 // CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]
161 // CHECK-NEXT: [[IV3_1:%.+]] = load i64, i64* [[OMP_IV3]]
162 // CHECK-NEXT: [[MUL:%.+]] = mul i64 [[IV3_1]], 1
163 // CHECK: [[GEP:%.+]] = getelementptr{{.*}}[[GLINSTART]]
164 // CHECK-NEXT: store double* [[GEP]], double** [[G_PTR_CUR:%[^,]+]]
165 *g_ptr++ = 0.0;
166 // CHECK: [[GEP_VAL:%.+]] = load double{{.*}}[[G_PTR_CUR]]
167 // CHECK: store double{{.*}}[[GEP_VAL]]
168 a[it + lin]++;
169 // CHECK: [[FLT_INC:%.+]] = fadd float
170 // CHECK-NEXT: store float [[FLT_INC]],
171 // CHECK: [[IV3_2:%.+]] = load i64, i64* [[OMP_IV3]]
172 // CHECK-NEXT: [[ADD3_2:%.+]] = add i64 [[IV3_2]], 1
173 // CHECK-NEXT: store i64 [[ADD3_2]], i64* [[OMP_IV3]]
174 }
175 // CHECK: [[SIMPLE_LOOP3_END]]
176 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
177 //
178 // Linear start and step are used to calculate final value of the linear variables.
179 // CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]
180 // CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]
181 // CHECK: store i32 {{.+}}, i32* [[LIN_VAR]],
182 // CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]
183 // CHECK: store double* {{.*}}[[GLIN_VAR]]
184
185 #pragma omp parallel for simd
186 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
187 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
188 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], 3
189 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
190 // CHECK: [[TRUE]]
191 // CHECK: br label %[[SWITCH:[^,]+]]
192 // CHECK: [[FALSE]]
193 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
194 // CHECK: br label %[[SWITCH]]
195 // CHECK: [[SWITCH]]
196 // CHECK: [[UP:%.+]] = phi i32 [ 3, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
197 // CHECK: store i32 [[UP]], i32* [[UB]],
198 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
199 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV4:%[^,]+]],
200
201 // CHECK: [[IV4:%.+]] = load i32, i32* [[OMP_IV4]]
202 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
203 // CHECK-NEXT: [[CMP4:%.+]] = icmp sle i32 [[IV4]], [[UB_VAL]]
204 // CHECK-NEXT: br i1 [[CMP4]], label %[[SIMPLE_LOOP4_BODY:.+]], label %[[SIMPLE_LOOP4_END:[^,]+]]
205 for (short it = 6; it <= 20; it-=-4) {
206 // CHECK: [[SIMPLE_LOOP4_BODY]]
207 // Start of body: calculate it from IV:
208 // CHECK: [[IV4_0:%.+]] = load i32, i32* [[OMP_IV4]]
209 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i32 [[IV4_0]], 4
210 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i32 6, [[LC_IT_1]]
211 // CHECK-NEXT: [[LC_IT_3:%.+]] = trunc i32 [[LC_IT_2]] to i16
212 // CHECK-NEXT: store i16 [[LC_IT_3]], i16*
213
214 // CHECK: [[IV4_2:%.+]] = load i32, i32* [[OMP_IV4]]
215 // CHECK-NEXT: [[ADD4_2:%.+]] = add nsw i32 [[IV4_2]], 1
216 // CHECK-NEXT: store i32 [[ADD4_2]], i32* [[OMP_IV4]]
217 }
218 // CHECK: [[SIMPLE_LOOP4_END]]
219 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
220
221 #pragma omp parallel for simd
222 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
223 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
224 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], 25
225 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
226 // CHECK: [[TRUE]]
227 // CHECK: br label %[[SWITCH:[^,]+]]
228 // CHECK: [[FALSE]]
229 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
230 // CHECK: br label %[[SWITCH]]
231 // CHECK: [[SWITCH]]
232 // CHECK: [[UP:%.+]] = phi i32 [ 25, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
233 // CHECK: store i32 [[UP]], i32* [[UB]],
234 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
235 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV5:%[^,]+]],
236
237 // CHECK: [[IV5:%.+]] = load i32, i32* [[OMP_IV5]]
238 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
239 // CHECK-NEXT: [[CMP5:%.+]] = icmp sle i32 [[IV5]], [[UB_VAL]]
240 // CHECK-NEXT: br i1 [[CMP5]], label %[[SIMPLE_LOOP5_BODY:.+]], label %[[SIMPLE_LOOP5_END:[^,]+]]
241 for (unsigned char it = 'z'; it >= 'a'; it+=-1) {
242 // CHECK: [[SIMPLE_LOOP5_BODY]]
243 // Start of body: calculate it from IV:
244 // CHECK: [[IV5_0:%.+]] = load i32, i32* [[OMP_IV5]]
245 // CHECK-NEXT: [[IV5_1:%.+]] = mul nsw i32 [[IV5_0]], 1
246 // CHECK-NEXT: [[LC_IT_1:%.+]] = sub nsw i32 122, [[IV5_1]]
247 // CHECK-NEXT: [[LC_IT_2:%.+]] = trunc i32 [[LC_IT_1]] to i8
248 // CHECK-NEXT: store i8 [[LC_IT_2]], i8* {{.+}},
249
250 // CHECK: [[IV5_2:%.+]] = load i32, i32* [[OMP_IV5]]
251 // CHECK-NEXT: [[ADD5_2:%.+]] = add nsw i32 [[IV5_2]], 1
252 // CHECK-NEXT: store i32 [[ADD5_2]], i32* [[OMP_IV5]]
253 }
254 // CHECK: [[SIMPLE_LOOP5_END]]
255 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
256
257 // CHECK-NOT: mul i32 %{{.+}}, 10
258 #pragma omp parallel for simd
259 for (unsigned i=100; i<10; i+=10) {
260 }
261
262 int A;
263 {
264 A = -1;
265 #pragma omp parallel for simd lastprivate(A)
266 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
267 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
268 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], 6
269 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
270 // CHECK: [[TRUE]]
271 // CHECK: br label %[[SWITCH:[^,]+]]
272 // CHECK: [[FALSE]]
273 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
274 // CHECK: br label %[[SWITCH]]
275 // CHECK: [[SWITCH]]
276 // CHECK: [[UP:%.+]] = phi i64 [ 6, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
277 // CHECK: store i64 [[UP]], i64* [[UB]],
278 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
279 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV7:%[^,]+]],
280
281 // CHECK: br label %[[SIMD_LOOP7_COND:[^,]+]]
282 // CHECK: [[SIMD_LOOP7_COND]]
283 // CHECK-NEXT: [[IV7:%.+]] = load i64, i64* [[OMP_IV7]]
284 // CHECK-NEXT: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
285 // CHECK-NEXT: [[CMP7:%.+]] = icmp sle i64 [[IV7]], [[UB_VAL]]
286 // CHECK-NEXT: br i1 [[CMP7]], label %[[SIMPLE_LOOP7_BODY:.+]], label %[[SIMPLE_LOOP7_END:[^,]+]]
287 for (long long i = -10; i < 10; i += 3) {
288 // CHECK: [[SIMPLE_LOOP7_BODY]]
289 // Start of body: calculate i from IV:
290 // CHECK: [[IV7_0:%.+]] = load i64, i64* [[OMP_IV7]]
291 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV7_0]], 3
292 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
293 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],
294 // CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]
295 // CHECK-NEXT: [[CONV:%.+]] = trunc i64 [[LC_VAL]] to i32
296 // CHECK-NEXT: store i32 [[CONV]], i32* [[A_PRIV:%[^,]+]],
297 A = i;
298 // CHECK: [[IV7_2:%.+]] = load i64, i64* [[OMP_IV7]]
299 // CHECK-NEXT: [[ADD7_2:%.+]] = add nsw i64 [[IV7_2]], 1
300 // CHECK-NEXT: store i64 [[ADD7_2]], i64* [[OMP_IV7]]
301 }
302 // CHECK: [[SIMPLE_LOOP7_END]]
303 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
304 // CHECK: load i32, i32*
305 // CHECK: icmp ne i32 %{{.+}}, 0
306 // CHECK: br i1 %{{.+}}, label
307 // CHECK: [[A_PRIV_VAL:%.+]] = load i32, i32* [[A_PRIV]],
308 // CHECK-NEXT: store i32 [[A_PRIV_VAL]], i32* %{{.+}},
309 // CHECK-NEXT: br label
310 }
311 int R;
312 {
313 R = -1;
314 // CHECK: store i32 1, i32* [[R_PRIV:%[^,]+]],
315 #pragma omp parallel for simd reduction(*:R)
316 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
317 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
318 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], 6
319 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
320 // CHECK: [[TRUE]]
321 // CHECK: br label %[[SWITCH:[^,]+]]
322 // CHECK: [[FALSE]]
323 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
324 // CHECK: br label %[[SWITCH]]
325 // CHECK: [[SWITCH]]
326 // CHECK: [[UP:%.+]] = phi i64 [ 6, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
327 // CHECK: store i64 [[UP]], i64* [[UB]],
328 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
329 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV8:%[^,]+]],
330
331 // CHECK: br label %[[SIMD_LOOP8_COND:[^,]+]]
332 // CHECK: [[SIMD_LOOP8_COND]]
333 // CHECK-NEXT: [[IV8:%.+]] = load i64, i64* [[OMP_IV8]]
334 // CHECK-NEXT: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
335 // CHECK-NEXT: [[CMP8:%.+]] = icmp sle i64 [[IV8]], [[UB_VAL]]
336 // CHECK-NEXT: br i1 [[CMP8]], label %[[SIMPLE_LOOP8_BODY:.+]], label %[[SIMPLE_LOOP8_END:[^,]+]]
337 for (long long i = -10; i < 10; i += 3) {
338 // CHECK: [[SIMPLE_LOOP8_BODY]]
339 // Start of body: calculate i from IV:
340 // CHECK: [[IV8_0:%.+]] = load i64, i64* [[OMP_IV8]]
341 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV8_0]], 3
342 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
343 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],
344 // CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]
345 // CHECK: store i32 %{{.+}}, i32* [[R_PRIV]],
346 R *= i;
347 // CHECK: [[IV8_2:%.+]] = load i64, i64* [[OMP_IV8]]
348 // CHECK-NEXT: [[ADD8_2:%.+]] = add nsw i64 [[IV8_2]], 1
349 // CHECK-NEXT: store i64 [[ADD8_2]], i64* [[OMP_IV8]]
350 }
351 // CHECK: [[SIMPLE_LOOP8_END]]
352 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
353 // CHECK: call i32 @__kmpc_reduce_nowait(
354 // CHECK: [[R_PRIV_VAL:%.+]] = load i32, i32* [[R_PRIV]],
355 // CHECK: [[RED:%.+]] = mul nsw i32 %{{.+}}, [[R_PRIV_VAL]]
356 // CHECK-NEXT: store i32 [[RED]], i32* %{{.+}},
357 // CHECK-NEXT: call void @__kmpc_end_reduce_nowait(
358 }
359 }
360
tfoo(T a)361 template <class T, unsigned K> T tfoo(T a) { return a + K; }
362
363 template <typename T, unsigned N>
templ1(T a,T * z)364 int templ1(T a, T *z) {
365 #pragma omp parallel for simd collapse(N)
366 for (int i = 0; i < N * 2; i++) {
367 for (long long j = 0; j < (N + N + N + N); j += 2) {
368 z[i + j] = a + tfoo<T, N>(i + j);
369 }
370 }
371 return 0;
372 }
373
374 // Instatiation templ1<float,2>
375 // CHECK-LABEL: define {{.*i32}} @{{.*}}templ1{{.*}}(float {{.+}}, float* {{.+}})
376 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
inst_templ1()377 void inst_templ1() {
378 float a;
379 float z[100];
380 templ1<float,2> (a, z);
381 }
382
383
384 typedef int MyIdx;
385
386 class IterDouble {
387 double *Ptr;
388 public:
operator ++() const389 IterDouble operator++ () const {
390 IterDouble n;
391 n.Ptr = Ptr + 1;
392 return n;
393 }
operator <(const IterDouble & that) const394 bool operator < (const IterDouble &that) const {
395 return Ptr < that.Ptr;
396 }
operator *() const397 double & operator *() const {
398 return *Ptr;
399 }
operator -(const IterDouble & that) const400 MyIdx operator - (const IterDouble &that) const {
401 return (MyIdx) (Ptr - that.Ptr);
402 }
operator +(int Delta)403 IterDouble operator + (int Delta) {
404 IterDouble re;
405 re.Ptr = Ptr + Delta;
406 return re;
407 }
408
409 ///~IterDouble() {}
410 };
411
412 // CHECK-LABEL: define {{.*void}} @{{.*}}iter_simple{{.*}}
iter_simple(IterDouble ia,IterDouble ib,IterDouble ic)413 void iter_simple(IterDouble ia, IterDouble ib, IterDouble ic) {
414 //
415 // Calculate number of iterations before the loop body.
416 // CHECK: [[DIFF1:%.+]] = invoke {{.*}}i32 @{{.*}}IterDouble{{.*}}
417 // CHECK: [[DIFF2:%.+]] = sub nsw i32 [[DIFF1]], 1
418 // CHECK-NEXT: [[DIFF3:%.+]] = add nsw i32 [[DIFF2]], 1
419 // CHECK-NEXT: [[DIFF4:%.+]] = sdiv i32 [[DIFF3]], 1
420 // CHECK-NEXT: [[DIFF5:%.+]] = sub nsw i32 [[DIFF4]], 1
421 // CHECK-NEXT: store i32 [[DIFF5]], i32* [[OMP_LAST_IT:%[^,]+]]{{.+}}
422 #pragma omp parallel for simd
423
424 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
425 // CHECK-DAG: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
426 // CHECK-DAG: [[OMP_LAST_IT_VAL:%.+]] = load i32, i32* [[OMP_LAST_IT]],
427 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], [[OMP_LAST_IT_VAL]]
428 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
429 // CHECK: [[TRUE]]
430 // CHECK: [[OMP_LAST_IT_VAL:%.+]] = load i32, i32* [[OMP_LAST_IT]],
431 // CHECK: br label %[[SWITCH:[^,]+]]
432 // CHECK: [[FALSE]]
433 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
434 // CHECK: br label %[[SWITCH]]
435 // CHECK: [[SWITCH]]
436 // CHECK: [[UP:%.+]] = phi i32 [ [[OMP_LAST_IT_VAL]], %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
437 // CHECK: store i32 [[UP]], i32* [[UB]],
438 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
439 // CHECK: store i32 [[LB_VAL]], i32* [[IT_OMP_IV:%[^,]+]],
440
441 // CHECK: [[IV:%.+]] = load i32, i32* [[IT_OMP_IV]]
442 // CHECK-NEXT: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
443 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB_VAL]]
444 // CHECK-NEXT: br i1 [[CMP]], label %[[IT_BODY:[^,]+]], label %[[IT_END:[^,]+]]
445 for (IterDouble i = ia; i < ib; ++i) {
446 // CHECK: [[IT_BODY]]
447 // Start of body: calculate i from index:
448 // CHECK: [[IV1:%.+]] = load i32, i32* [[IT_OMP_IV]]
449 // Call of operator+ (i, IV).
450 // CHECK: {{%.+}} = invoke {{.+}} @{{.*}}IterDouble{{.*}}
451 // ... loop body ...
452 *i = *ic * 0.5;
453 // Float multiply and save result.
454 // CHECK: [[MULR:%.+]] = fmul double {{%.+}}, 5.000000e-01
455 // CHECK-NEXT: invoke {{.+}} @{{.*}}IterDouble{{.*}}
456 // CHECK: store double [[MULR:%.+]], double* [[RESULT_ADDR:%.+]]
457 ++ic;
458 //
459 // CHECK: [[IV2:%.+]] = load i32, i32* [[IT_OMP_IV]]
460 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i32 [[IV2]], 1
461 // CHECK-NEXT: store i32 [[ADD2]], i32* [[IT_OMP_IV]]
462 // br label %{{.*}}, !llvm.loop ![[ITER_LOOP_ID]]
463 }
464 // CHECK: [[IT_END]]
465 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
466 // CHECK: ret void
467 }
468
469
470 // CHECK-LABEL: define {{.*void}} @{{.*}}collapsed{{.*}}
collapsed(float * a,float * b,float * c,float * d)471 void collapsed(float *a, float *b, float *c, float *d) {
472 int i; // outer loop counter
473 unsigned j; // middle loop couter, leads to unsigned icmp in loop header.
474 // k declared in the loop init below
475 short l; // inner loop counter
476 // CHECK: call void @__kmpc_for_static_init_4u(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
477 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
478 // CHECK: [[CMP:%.+]] = icmp ugt i32 [[UB_VAL]], 119
479 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
480 // CHECK: [[TRUE]]
481 // CHECK: br label %[[SWITCH:[^,]+]]
482 // CHECK: [[FALSE]]
483 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
484 // CHECK: br label %[[SWITCH]]
485 // CHECK: [[SWITCH]]
486 // CHECK: [[UP:%.+]] = phi i32 [ 119, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
487 // CHECK: store i32 [[UP]], i32* [[UB]],
488 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
489 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV:%[^,]+]],
490 //
491 #pragma omp parallel for simd collapse(4)
492
493 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
494 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
495 // CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB_VAL]]
496 // CHECK-NEXT: br i1 [[CMP]], label %[[COLL1_BODY:[^,]+]], label %[[COLL1_END:[^,]+]]
497 for (i = 1; i < 3; i++) // 2 iterations
498 for (j = 2u; j < 5u; j++) //3 iterations
499 for (int k = 3; k <= 6; k++) // 4 iterations
500 for (l = 4; l < 9; ++l) // 5 iterations
501 {
502 // CHECK: [[COLL1_BODY]]
503 // Start of body: calculate i from index:
504 // CHECK: [[IV1:%.+]] = load i32, i32* [[OMP_IV]]
505 // Calculation of the loop counters values.
506 // CHECK: [[CALC_I_1:%.+]] = udiv i32 [[IV1]], 60
507 // CHECK-NEXT: [[CALC_I_1_MUL1:%.+]] = mul i32 [[CALC_I_1]], 1
508 // CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 1, [[CALC_I_1_MUL1]]
509 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
510 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]
511 // CHECK-NEXT: [[CALC_J_1:%.+]] = udiv i32 [[IV1_2]], 20
512 // CHECK-NEXT: [[CALC_J_2:%.+]] = urem i32 [[CALC_J_1]], 3
513 // CHECK-NEXT: [[CALC_J_2_MUL1:%.+]] = mul i32 [[CALC_J_2]], 1
514 // CHECK-NEXT: [[CALC_J_3:%.+]] = add i32 2, [[CALC_J_2_MUL1]]
515 // CHECK-NEXT: store i32 [[CALC_J_3]], i32* [[LC_J:.+]]
516 // CHECK: [[IV1_3:%.+]] = load i32, i32* [[OMP_IV]]
517 // CHECK-NEXT: [[CALC_K_1:%.+]] = udiv i32 [[IV1_3]], 5
518 // CHECK-NEXT: [[CALC_K_2:%.+]] = urem i32 [[CALC_K_1]], 4
519 // CHECK-NEXT: [[CALC_K_2_MUL1:%.+]] = mul i32 [[CALC_K_2]], 1
520 // CHECK-NEXT: [[CALC_K_3:%.+]] = add i32 3, [[CALC_K_2_MUL1]]
521 // CHECK-NEXT: store i32 [[CALC_K_3]], i32* [[LC_K:.+]]
522 // CHECK: [[IV1_4:%.+]] = load i32, i32* [[OMP_IV]]
523 // CHECK-NEXT: [[CALC_L_1:%.+]] = urem i32 [[IV1_4]], 5
524 // CHECK-NEXT: [[CALC_L_1_MUL1:%.+]] = mul i32 [[CALC_L_1]], 1
525 // CHECK-NEXT: [[CALC_L_2:%.+]] = add i32 4, [[CALC_L_1_MUL1]]
526 // CHECK-NEXT: [[CALC_L_3:%.+]] = trunc i32 [[CALC_L_2]] to i16
527 // CHECK-NEXT: store i16 [[CALC_L_3]], i16* [[LC_L:.+]]
528 // ... loop body ...
529 // End of body: store into a[i]:
530 // CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]
531 float res = b[j] * c[k];
532 a[i] = res * d[l];
533 // CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV]]
534 // CHECK-NEXT: [[ADD2:%.+]] = add i32 [[IV2]], 1
535 // CHECK-NEXT: store i32 [[ADD2]], i32* [[OMP_IV]]
536 // br label %{{[^,]+}}, !llvm.loop ![[COLL1_LOOP_ID]]
537 // CHECK: [[COLL1_END]]
538 }
539 // i,j,l are updated; k is not updated.
540 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
541 // CHECK: store i32 3, i32* [[I:%[^,]+]]
542 // CHECK: store i32 5, i32* [[I:%[^,]+]]
543 // CHECK: store i16 9, i16* [[I:%[^,]+]]
544 // CHECK: ret void
545 }
546
547 extern char foo();
548 extern double globalfloat;
549
550 // CHECK-LABEL: define {{.*void}} @{{.*}}widened{{.*}}
widened(float * a,float * b,float * c,float * d)551 void widened(float *a, float *b, float *c, float *d) {
552 int i; // outer loop counter
553 short j; // inner loop counter
554 globalfloat = 1.0;
555 int localint = 1;
556 // CHECK: store double {{.+}}, double* [[GLOBALFLOAT:@.+]]
557 // Counter is widened to 64 bits.
558 // CHECK: [[MUL:%.+]] = mul nsw i64 2, %{{.+}}
559 // CHECK-NEXT: [[SUB:%.+]] = sub nsw i64 [[MUL]], 1
560 // CHECK-NEXT: store i64 [[SUB]], i64* [[OMP_LAST_IT:%[^,]+]],
561 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
562 // CHECK-DAG: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
563 // CHECK-DAG: [[OMP_LAST_IT_VAL:%.+]] = load i64, i64* [[OMP_LAST_IT]],
564 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], [[OMP_LAST_IT_VAL]]
565 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
566 // CHECK: [[TRUE]]
567 // CHECK: [[OMP_LAST_IT_VAL:%.+]] = load i64, i64* [[OMP_LAST_IT]],
568 // CHECK: br label %[[SWITCH:[^,]+]]
569 // CHECK: [[FALSE]]
570 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
571 // CHECK: br label %[[SWITCH]]
572 // CHECK: [[SWITCH]]
573 // CHECK: [[UP:%.+]] = phi i64 [ [[OMP_LAST_IT_VAL]], %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
574 // CHECK: store i64 [[UP]], i64* [[UB]],
575 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
576 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV:%[^,]+]],
577 //
578 #pragma omp parallel for simd collapse(2) private(globalfloat, localint)
579
580 // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
581 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
582 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB_VAL]]
583 // CHECK-NEXT: br i1 [[CMP]], label %[[WIDE1_BODY:[^,]+]], label %[[WIDE1_END:[^,]+]]
584 for (i = 1; i < 3; i++) // 2 iterations
585 for (j = 0; j < foo(); j++) // foo() iterations
586 {
587 // CHECK: [[WIDE1_BODY]]
588 // Start of body: calculate i from index:
589 // CHECK: [[IV1:%.+]] = load i64, i64* [[OMP_IV]]
590 // Calculation of the loop counters values...
591 // CHECK: store i32 {{[^,]+}}, i32* [[LC_I:.+]]
592 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]
593 // CHECK: store i16 {{[^,]+}}, i16* [[LC_J:.+]]
594 // ... loop body ...
595 //
596 // Here we expect store into private double var, not global
597 // CHECK-NOT: store double {{.+}}, double* [[GLOBALFLOAT]]
598 globalfloat = (float)j/i;
599 float res = b[j] * c[j];
600 // Store into a[i]:
601 // CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]
602 a[i] = res * d[i];
603 // Then there's a store into private var localint:
604 // CHECK: store i32 {{.+}}, i32* [[LOCALINT:%[^,]+]]
605 localint = (int)j;
606 // CHECK: [[IV2:%.+]] = load i64, i64* [[OMP_IV]]
607 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i64 [[IV2]], 1
608 // CHECK-NEXT: store i64 [[ADD2]], i64* [[OMP_IV]]
609 //
610 // br label %{{[^,]+}}, !llvm.loop ![[WIDE1_LOOP_ID]]
611 // CHECK: [[WIDE1_END]]
612 }
613 // i,j are updated.
614 // CHECK: store i32 3, i32* [[I:%[^,]+]]
615 // CHECK: store i16
616 //
617 // Here we expect store into original localint, not its privatized version.
618 // CHECK-NOT: store i32 {{.+}}, i32* [[LOCALINT]]
619 localint = (int)j;
620 // CHECK: ret void
621 }
622
623 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
624 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
625 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], 15
626 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
627 // CHECK: [[TRUE]]
628 // CHECK: br label %[[SWITCH:[^,]+]]
629 // CHECK: [[FALSE]]
630 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
631 // CHECK: br label %[[SWITCH]]
632 // CHECK: [[SWITCH]]
633 // CHECK: [[UP:%.+]] = phi i64 [ 15, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
634 // CHECK: store i64 [[UP]], i64* [[UB]],
635 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
636 // CHECK: store i64 [[LB_VAL]], i64* [[T1_OMP_IV:%[^,]+]],
637
638 // ...
639 // CHECK: [[IV:%.+]] = load i64, i64* [[T1_OMP_IV]]
640 // CHECK-NEXT: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
641 // CHECK-NEXT: [[CMP1:%.+]] = icmp sle i64 [[IV]], [[UB_VAL]]
642 // CHECK-NEXT: br i1 [[CMP1]], label %[[T1_BODY:.+]], label %[[T1_END:[^,]+]]
643 // CHECK: [[T1_BODY]]
644 // Loop counters i and j updates:
645 // CHECK: [[IV1:%.+]] = load i64, i64* [[T1_OMP_IV]]
646 // CHECK-NEXT: [[I_1:%.+]] = sdiv i64 [[IV1]], 4
647 // CHECK-NEXT: [[I_1_MUL1:%.+]] = mul nsw i64 [[I_1]], 1
648 // CHECK-NEXT: [[I_1_ADD0:%.+]] = add nsw i64 0, [[I_1_MUL1]]
649 // CHECK-NEXT: [[I_2:%.+]] = trunc i64 [[I_1_ADD0]] to i32
650 // CHECK-NEXT: store i32 [[I_2]], i32*
651 // CHECK: [[IV2:%.+]] = load i64, i64* [[T1_OMP_IV]]
652 // CHECK-NEXT: [[J_1:%.+]] = srem i64 [[IV2]], 4
653 // CHECK-NEXT: [[J_2:%.+]] = mul nsw i64 [[J_1]], 2
654 // CHECK-NEXT: [[J_2_ADD0:%.+]] = add nsw i64 0, [[J_2]]
655 // CHECK-NEXT: store i64 [[J_2_ADD0]], i64*
656 // simd.for.inc:
657 // CHECK: [[IV3:%.+]] = load i64, i64* [[T1_OMP_IV]]
658 // CHECK-NEXT: [[INC:%.+]] = add nsw i64 [[IV3]], 1
659 // CHECK-NEXT: store i64 [[INC]], i64*
660 // CHECK-NEXT: br label {{%.+}}
661 // CHECK: [[T1_END]]
662 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
663 // CHECK: ret void
664 //
665 // TERM_DEBUG-LABEL: bar
bar()666 int bar() {return 0;};
667
668 // TERM_DEBUG-LABEL: parallel_simd
parallel_simd(float * a)669 void parallel_simd(float *a) {
670 #pragma omp parallel for simd
671 // TERM_DEBUG-NOT: __kmpc_global_thread_num
672 // TERM_DEBUG: invoke i32 {{.*}}bar{{.*}}()
673 // TERM_DEBUG: unwind label %[[TERM_LPAD:.+]],
674 // TERM_DEBUG-NOT: __kmpc_global_thread_num
675 // TERM_DEBUG: [[TERM_LPAD]]
676 // TERM_DEBUG: call void @__clang_call_terminate
677 // TERM_DEBUG: unreachable
678 for (unsigned i = 131071; i <= 2147483647; i += 127)
679 a[i] += bar();
680 }
681 // TERM_DEBUG: !{{[0-9]+}} = !DILocation(line: [[@LINE-11]],
682 #endif // HEADER
683
684