1 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fopenmp-version=45 | 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 -fopenmp-version=45
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 - -fopenmp-version=45 | 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 - -fopenmp-version=45 | FileCheck %s --check-prefix=TERM_DEBUG
5 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fopenmp-version=50 -DOMP5 | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50 --check-prefix=OMP50RT
6 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s -fopenmp-version=50 -DOMP5
7 // 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 - -fopenmp-version=50 -DOMP5 | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50 --check-prefix=OMP50RT
8 
9 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fopenmp-version=45 | FileCheck %s
10 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s -fopenmp-version=45
11 // RUN: %clang_cc1 -fopenmp-simd -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 - -fopenmp-version=45 | FileCheck %s
12 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp-simd -fexceptions -fcxx-exceptions -debug-info-kind=line-tables-only -x c++ -emit-llvm %s -o - -fopenmp-version=45 | FileCheck --check-prefix=TERM_DEBUG %s
13 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - -fopenmp-version=50 -DOMP5 | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50
14 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s -fopenmp-version=50 -DOMP5
15 // RUN: %clang_cc1 -fopenmp-simd -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 - -fopenmp-version=50 -DOMP5 | FileCheck %s --check-prefix=CHECK --check-prefix=OMP50
16 // expected-no-diagnostics
17  #ifndef HEADER
18  #define HEADER
19 
20 #ifdef OMP5
21 #define CONDITIONAL conditional :
22 #else
23 #define CONDITIONAL
24 #endif //OMP5
25 // CHECK: [[SS_TY:%.+]] = type { i32 }
26 // OMP50-DAG: [[LAST_IV:@.+]] = {{.*}}common global i64 0
27 // OMP50-DAG: [[LAST_A:@.+]] = {{.*}}common global i32 0
28 
29 long long get_val() { extern void mayThrow(); mayThrow(); return 0; }
30 double *g_ptr;
31 
32 struct S {
33   int a, b;
34 };
35 
36 // CHECK-LABEL: define {{.*void}} @{{.*}}simple{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
37 void simple(float *a, float *b, float *c, float *d) {
38   S s, *p;
39 #ifdef OMP5
40   #pragma omp simd if (simd: true) nontemporal(a, b, c, d, s)
41 #else
42   #pragma omp simd
43 #endif
44   // CHECK: store i32 0, i32* [[OMP_IV:%[^,]+]]
45 
46 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
47 // CHECK-NEXT: [[CMP:%.+]] = icmp slt i32 [[IV]], 6
48 // CHECK-NEXT: br i1 [[CMP]], label %[[SIMPLE_LOOP1_BODY:.+]], label %[[SIMPLE_LOOP1_END:[^,]+]]
49   for (int i = 3; i < 32; i += 5) {
50 // CHECK: [[SIMPLE_LOOP1_BODY]]:
51 // Start of body: calculate i from IV:
52 // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
53 // CHECK: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 5
54 // CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 3, [[CALC_I_1]]
55 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]{{.*}}!llvm.access.group
56 // ... loop body ...
57 // End of body: store into a[i]:
58 // OMP45-NOT: load float*,{{.*}}!nontemporal
59 // CHECK-NOT: load float,{{.*}}!nontemporal
60 // OMP50: load float*,{{.*}}!nontemporal
61 // OMP50: load float*,{{.*}}!nontemporal
62 // OMP50: load float*,{{.*}}!nontemporal
63 // OMP50: load i32,{{.*}}!nontemporal
64 // OMP50-NOT: load i32,{{.*}}!nontemporal
65 // OMP50: load float*,{{.*}}!nontemporal
66 // CHECK-NOT: load float,{{.*}}!nontemporal
67 // CHECK: store float [[RESULT:%.+]], float* {{%.+}}{{.*}}!llvm.access.group
68     a[i] = b[i] * c[i] * d[i] + s.a + p->a;
69 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
70 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
71 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
72 // br label %{{.+}}, !llvm.loop !{{.+}}
73   }
74 // CHECK: [[SIMPLE_LOOP1_END]]:
75 
76   long long k = get_val();
77 
78   #pragma omp simd linear(k : 3)
79 // CHECK: [[K0:%.+]] = call {{.*}}i64 @{{.*}}get_val
80 // CHECK-NEXT: store i64 [[K0]], i64* [[K_VAR:%[^,]+]]
81 // CHECK: store i32 0, i32* [[OMP_IV2:%[^,]+]]
82 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_VAR]]
83 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
84 
85 // CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
86 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV2]], 9
87 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP2_BODY:.+]], label %[[SIMPLE_LOOP2_END:[^,]+]]
88   for (int i = 10; i > 1; i--) {
89 // CHECK: [[SIMPLE_LOOP2_BODY]]:
90 // Start of body: calculate i from IV:
91 // CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
92 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
93 // CHECK-NEXT: [[IV2_1:%.+]] = mul nsw i32 [[IV2_0]], 1
94 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV2_1]]
95 // CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
96 //
97 // CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
98 // CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
99 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV2_2]], 3
100 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
101 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
102 // Update of the privatized version of linear variable!
103 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
104     a[k]++;
105     k = k + 3;
106 // CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.access.group
107 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV2_2]], 1
108 // CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.access.group
109 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP2_ID]]
110   }
111 // CHECK: [[SIMPLE_LOOP2_END]]:
112 //
113 // Update linear vars after loop, as the loop was operating on a private version.
114 // CHECK: [[LIN0_2:%.+]] = load i64, i64* [[K_PRIVATIZED]],
115 // CHECK-NEXT: store i64 [[LIN0_2]], i64* [[K_VAR]]
116 //
117 
118   int lin = 12;
119   #pragma omp simd linear(lin : get_val()), linear(g_ptr)
120 
121 // Init linear private var.
122 // CHECK: store i32 12, i32* [[LIN_VAR:%[^,]+]]
123 // CHECK: store i64 0, i64* [[OMP_IV3:%[^,]+]]
124 
125 // CHECK: [[LIN_LOAD:%.+]] = load i32, i32* [[LIN_VAR]]
126 // CHECK-NEXT: store i32 [[LIN_LOAD]], i32* [[LIN_START:%[^,]+]]
127 // Remember linear step.
128 // CHECK: [[CALL_VAL:%.+]] = invoke
129 // CHECK: store i64 [[CALL_VAL]], i64* [[LIN_STEP:%[^,]+]]
130 
131 // CHECK: [[GLIN_LOAD:%.+]] = load double*, double** [[GLIN_VAR:@[^,]+]]
132 // CHECK-NEXT: store double* [[GLIN_LOAD]], double** [[GLIN_START:%[^,]+]]
133 
134 // CHECK: [[IV3:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
135 // CHECK-NEXT: [[CMP3:%.+]] = icmp ult i64 [[IV3]], 4
136 // CHECK-NEXT: br i1 [[CMP3]], label %[[SIMPLE_LOOP3_BODY:.+]], label %[[SIMPLE_LOOP3_END:[^,]+]]
137   for (unsigned long long it = 2000; it >= 600; it-=400) {
138 // CHECK: [[SIMPLE_LOOP3_BODY]]:
139 // Start of body: calculate it from IV:
140 // CHECK: [[IV3_0:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
141 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul i64 [[IV3_0]], 400
142 // CHECK-NEXT: [[LC_IT_2:%.+]] = sub i64 2000, [[LC_IT_1]]
143 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* {{.+}}, !llvm.access.group
144 //
145 // Linear start and step are used to calculate current value of the linear variable.
146 // CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]{{.*}}!llvm.access.group
147 // CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]{{.*}}!llvm.access.group
148 // CHECK-NOT: store i32 {{.+}}, i32* [[LIN_VAR]],{{.*}}!llvm.access.group
149 // CHECK: store i32 {{.+}}, i32* [[LIN_PRIV:%.+]],{{.*}}!llvm.access.group
150 // CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]{{.*}}!llvm.access.group
151 // CHECK-NEXT: [[IV3_1:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
152 // CHECK-NEXT: [[MUL:%.+]] = mul i64 [[IV3_1]], 1
153 // CHECK: [[GEP:%.+]] = getelementptr{{.*}}[[GLINSTART]]
154 // CHECK-NEXT: store double* [[GEP]], double** [[G_PTR_CUR:%[^,]+]]{{.*}}!llvm.access.group
155     *g_ptr++ = 0.0;
156 // CHECK: [[GEP_VAL:%.+]] = load double{{.*}}[[G_PTR_CUR]]{{.*}}!llvm.access.group
157 // CHECK: store double{{.*}}[[GEP_VAL]]{{.*}}!llvm.access.group
158     a[it + lin]++;
159 // CHECK: [[FLT_INC:%.+]] = fadd float
160 // CHECK-NEXT: store float [[FLT_INC]],{{.*}}!llvm.access.group
161 // CHECK: [[IV3_2:%.+]] = load i64, i64* [[OMP_IV3]]{{.*}}!llvm.access.group
162 // CHECK-NEXT: [[ADD3_2:%.+]] = add i64 [[IV3_2]], 1
163 // CHECK-NEXT: store i64 [[ADD3_2]], i64* [[OMP_IV3]]{{.*}}!llvm.access.group
164   }
165 // CHECK: [[SIMPLE_LOOP3_END]]:
166 //
167 // Linear start and step are used to calculate final value of the linear variables.
168 // CHECK: [[LIN:%.+]] = load i32, i32* [[LIN_PRIV]]
169 // CHECK-NEXT: store i32 [[LIN]], i32* [[LIN_VAR]],
170 // CHECK: [[GLIN:%.+]] = load double*, double** [[G_PTR_CUR]]
171 // CHECK-NEXT: store double* [[GLIN]], double** [[GLIN_VAR]]
172 
173   #pragma omp simd
174 // CHECK: store i32 0, i32* [[OMP_IV4:%[^,]+]]
175 
176 // CHECK: [[IV4:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.access.group
177 // CHECK-NEXT: [[CMP4:%.+]] = icmp slt i32 [[IV4]], 4
178 // CHECK-NEXT: br i1 [[CMP4]], label %[[SIMPLE_LOOP4_BODY:.+]], label %[[SIMPLE_LOOP4_END:[^,]+]]
179   for (short it = 6; it <= 20; it-=-4) {
180 // CHECK: [[SIMPLE_LOOP4_BODY]]:
181 // Start of body: calculate it from IV:
182 // CHECK: [[IV4_0:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.access.group
183 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i32 [[IV4_0]], 4
184 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i32 6, [[LC_IT_1]]
185 // CHECK-NEXT: [[LC_IT_3:%.+]] = trunc i32 [[LC_IT_2]] to i16
186 // CHECK-NEXT: store i16 [[LC_IT_3]], i16* {{.+}}, !llvm.access.group
187 
188 // CHECK: [[IV4_2:%.+]] = load i32, i32* [[OMP_IV4]]{{.*}}!llvm.access.group
189 // CHECK-NEXT: [[ADD4_2:%.+]] = add nsw i32 [[IV4_2]], 1
190 // CHECK-NEXT: store i32 [[ADD4_2]], i32* [[OMP_IV4]]{{.*}}!llvm.access.group
191   }
192 // CHECK: [[SIMPLE_LOOP4_END]]:
193 
194   #pragma omp simd
195 // CHECK: store i32 0, i32* [[OMP_IV5:%[^,]+]]
196 
197 // CHECK: [[IV5:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.access.group
198 // CHECK-NEXT: [[CMP5:%.+]] = icmp slt i32 [[IV5]], 26
199 // CHECK-NEXT: br i1 [[CMP5]], label %[[SIMPLE_LOOP5_BODY:.+]], label %[[SIMPLE_LOOP5_END:[^,]+]]
200   for (unsigned char it = 'z'; it >= 'a'; it+=-1) {
201 // CHECK: [[SIMPLE_LOOP5_BODY]]:
202 // Start of body: calculate it from IV:
203 // CHECK: [[IV5_0:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.access.group
204 // CHECK-NEXT: [[IV5_1:%.+]] = mul nsw i32 [[IV5_0]], 1
205 // CHECK-NEXT: [[LC_IT_1:%.+]] = sub nsw i32 122, [[IV5_1]]
206 // CHECK-NEXT: [[LC_IT_2:%.+]] = trunc i32 [[LC_IT_1]] to i8
207 // CHECK-NEXT: store i8 [[LC_IT_2]], i8* {{.+}}, !llvm.access.group
208 
209 // CHECK: [[IV5_2:%.+]] = load i32, i32* [[OMP_IV5]]{{.*}}!llvm.access.group
210 // CHECK-NEXT: [[ADD5_2:%.+]] = add nsw i32 [[IV5_2]], 1
211 // CHECK-NEXT: store i32 [[ADD5_2]], i32* [[OMP_IV5]]{{.*}}!llvm.access.group
212   }
213 // CHECK: [[SIMPLE_LOOP5_END]]:
214 
215 // CHECK-NOT: mul i32 %{{.+}}, 10
216   #pragma omp simd
217   for (unsigned i=100; i<10; i+=10) {
218   }
219 
220   int A;
221   // CHECK: store i32 -1, i32* [[A:%.+]],
222   A = -1;
223   #pragma omp simd lastprivate(CONDITIONAL A)
224 // CHECK: store i64 0, i64* [[OMP_IV7:%[^,]+]]
225 // CHECK: br label %[[SIMD_LOOP7_COND:[^,]+]]
226 // CHECK: [[SIMD_LOOP7_COND]]:
227 // CHECK-NEXT: [[IV7:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.access.group
228 // CHECK-NEXT: [[CMP7:%.+]] = icmp slt i64 [[IV7]], 7
229 // CHECK-NEXT: br i1 [[CMP7]], label %[[SIMPLE_LOOP7_BODY:.+]], label %[[SIMPLE_LOOP7_END:[^,]+]]
230   for (long long i = -10; i < 10; i += 3) {
231 // CHECK: [[SIMPLE_LOOP7_BODY]]:
232 // Start of body: calculate i from IV:
233 // CHECK: [[IV7_0:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.access.group
234 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV7_0]], 3
235 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
236 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],{{.+}}!llvm.access.group
237 // CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]{{.+}}!llvm.access.group
238 // CHECK-NEXT: [[A_VAL:%.+]] = load i32, i32* [[A_PRIV:%[^,]+]],{{.+}}!llvm.access.group
239 // CHECK-NEXT: [[CAST:%.+]] = sext i32 [[A_VAL]] to i64
240 // CHECK-NEXT: [[ADD:%.+]] = add nsw i64 [[CAST]], [[LC_VAL]]
241 // CHECK-NEXT: [[CONV:%.+]] = trunc i64 [[ADD]] to i32
242 // CHECK-NEXT: store i32 [[CONV]], i32* [[A_PRIV]],{{.+}}!llvm.access.group
243 // OMP50-NEXT: [[IV:%.+]] = load i64, i64* [[OMP_IV7]],{{.+}}!llvm.access.group
244 // OMP50RT:    call void @__kmpc_critical(%struct.ident_t* {{.+}}, i32 [[GTID:%.+]], [8 x i32]* [[A_REGION:@.+]]),{{.+}}!llvm.access.group
245 // OMP50-NEXT: [[LAST_IV_VAL:%.+]] = load i64, i64* [[LAST_IV]],{{.+}}!llvm.access.group
246 // OMP50-NEXT: [[CMP:%.+]] = icmp sle i64 [[LAST_IV_VAL]], [[IV]]
247 // OMP50-NEXT: br i1 [[CMP]], label %[[LP_THEN:.+]], label %[[LP_DONE:[^,]+]]
248 // OMP50:      [[LP_THEN]]:
249 // OMP50-NEXT: store i64 [[IV]], i64* [[LAST_IV]],{{.+}}!llvm.access.group
250 // OMP50-NEXT: [[A_VAL:%.+]] = load i32, i32* [[A_PRIV]],{{.+}}!llvm.access.group
251 // OMP50-NEXT: store i32 [[A_VAL]], i32* [[LAST_A]],{{.+}}!llvm.access.group
252 // OMP50-NEXT: br label %[[LP_DONE]]
253 // OMP50:      [[LP_DONE]]:
254 // OMP50RT-NEXT: call void @__kmpc_end_critical(%struct.ident_t* {{.+}}, i32 [[GTID]], [8 x i32]* [[A_REGION]]),{{.+}}!llvm.access.group
255     A += i;
256 // CHECK: [[IV7_2:%.+]] = load i64, i64* [[OMP_IV7]]{{.*}}!llvm.access.group
257 // CHECK-NEXT: [[ADD7_2:%.+]] = add nsw i64 [[IV7_2]], 1
258 // CHECK-NEXT: store i64 [[ADD7_2]], i64* [[OMP_IV7]]{{.*}}!llvm.access.group
259   }
260 // CHECK: [[SIMPLE_LOOP7_END]]:
261 // CHECK-NEXT: store i64 11, i64*
262 // OMP50-NEXT: [[LAST_A_VAL:%.+]] = load i32, i32* [[LAST_A]],
263 // OMP50-NEXT: store i32 [[LAST_A_VAL]], i32* [[A_PRIV]],
264 // CHECK-NEXT: [[A_PRIV_VAL:%.+]] = load i32, i32* [[A_PRIV]],
265 // CHECK-NEXT: store i32 [[A_PRIV_VAL]], i32* [[A]],
266   int R;
267   // CHECK: store i32 -1, i32* [[R:%[^,]+]],
268   R = -1;
269 // CHECK: store i64 0, i64* [[OMP_IV8:%[^,]+]],
270 // CHECK: store i32 1, i32* [[R_PRIV:%[^,]+]],
271 #ifdef OMP5
272   #pragma omp simd reduction(*:R) if(A)
273 #else
274   #pragma omp simd reduction(*:R)
275 #endif
276 // OMP50:      [[A_VAL:%.+]] = load i32, i32* [[A]],
277 // OMP50-NEXT: [[COND:%.+]] = icmp ne i32 [[A_VAL]], 0
278 // OMP50-NEXT: br i1 [[COND]], label {{%?}}[[THEN:[^,]+]], label {{%?}}[[ELSE:[^,]+]]
279 // OMP50:      [[THEN]]:
280 
281 // CHECK: br label %[[SIMD_LOOP8_COND:[^,]+]]
282 // CHECK: [[SIMD_LOOP8_COND]]:
283 // CHECK-NEXT: [[IV8:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.access.group
284 // CHECK-NEXT: [[CMP8:%.+]] = icmp slt i64 [[IV8]], 7
285 // CHECK-NEXT: br i1 [[CMP8]], label %[[SIMPLE_LOOP8_BODY:.+]], label %[[SIMPLE_LOOP8_END:[^,]+]]
286   for (long long i = -10; i < 10; i += 3) {
287 // CHECK: [[SIMPLE_LOOP8_BODY]]:
288 // Start of body: calculate i from IV:
289 // CHECK: [[IV8_0:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.access.group
290 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV8_0]], 3
291 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
292 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],{{.+}}!llvm.access.group
293 // CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]{{.+}}!llvm.access.group
294 // CHECK: store i32 %{{.+}}, i32* [[R_PRIV]],{{.+}}!llvm.access.group
295     R *= i;
296 // CHECK: [[IV8_2:%.+]] = load i64, i64* [[OMP_IV8]]{{.*}}!llvm.access.group
297 // CHECK-NEXT: [[ADD8_2:%.+]] = add nsw i64 [[IV8_2]], 1
298 // CHECK-NEXT: store i64 [[ADD8_2]], i64* [[OMP_IV8]]{{.*}}!llvm.access.group
299   }
300 // CHECK: [[SIMPLE_LOOP8_END]]:
301 // OMP50: br label {{%?}}[[EXIT:[^,]+]]
302 // OMP50: br label %[[SIMD_LOOP8_COND:[^,]+]]
303 // OMP50: [[SIMD_LOOP8_COND]]:
304 // OMP50-NEXT: [[IV8:%.+]] = load i64, i64* [[OMP_IV8]],{{[^!]*}}
305 // OMP50-NEXT: [[CMP8:%.+]] = icmp slt i64 [[IV8]], 7
306 // OMP50-NEXT: br i1 [[CMP8]], label %[[SIMPLE_LOOP8_BODY:.+]], label %[[SIMPLE_LOOP8_END:[^,]+]]
307 // OMP50: [[SIMPLE_LOOP8_BODY]]:
308 // Start of body: calculate i from IV:
309 // OMP50: [[IV8_0:%.+]] = load i64, i64* [[OMP_IV8]],{{[^!]*}}
310 // OMP50-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV8_0]], 3
311 // OMP50-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
312 // OMP50-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],{{[^!]*}}
313 // OMP50-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]],{{[^!]*}}
314 // OMP50: store i32 %{{.+}}, i32* [[R_PRIV]],{{[^!]*}}
315 // OMP50: [[IV8_2:%.+]] = load i64, i64* [[OMP_IV8]],{{[^!]*}}
316 // OMP50-NEXT: [[ADD8_2:%.+]] = add nsw i64 [[IV8_2]], 1
317 // OMP50-NEXT: store i64 [[ADD8_2]], i64* [[OMP_IV8]],{{[^!]*}}
318 // OMP50:      br label {{%?}}[[SIMD_LOOP8_COND]], {{.*}}!llvm.loop ![[DISABLE_VECT:.+]]
319 // OMP50: [[SIMPLE_LOOP8_END]]:
320 // OMP50: br label {{%?}}[[EXIT]]
321 // OMP50: [[EXIT]]:
322 
323 // CHECK-DAG: [[R_VAL:%.+]] = load i32, i32* [[R]],
324 // CHECK-DAG: [[R_PRIV_VAL:%.+]] = load i32, i32* [[R_PRIV]],
325 // CHECK: [[RED:%.+]] = mul nsw i32 [[R_VAL]], [[R_PRIV_VAL]]
326 // CHECK-NEXT: store i32 [[RED]], i32* [[R]],
327 // CHECK-NEXT: ret void
328 }
329 
330 template <class T, unsigned K> T tfoo(T a) { return a + K; }
331 
332 template <typename T, unsigned N>
333 int templ1(T a, T *z) {
334   #pragma omp simd collapse(N)
335   for (int i = 0; i < N * 2; i++) {
336     for (long long j = 0; j < (N + N + N + N); j += 2) {
337       z[i + j] = a + tfoo<T, N>(i + j);
338     }
339   }
340   return 0;
341 }
342 
343 // Instatiation templ1<float,2>
344 // CHECK-LABEL: define {{.*i32}} @{{.*}}templ1{{.*}}(float {{.+}}, float* {{.+}})
345 // CHECK: store i64 0, i64* [[T1_OMP_IV:[^,]+]]
346 // ...
347 // CHECK: [[IV:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
348 // CHECK-NEXT: [[CMP1:%.+]] = icmp slt i64 [[IV]], 16
349 // CHECK-NEXT: br i1 [[CMP1]], label %[[T1_BODY:.+]], label %[[T1_END:[^,]+]]
350 // CHECK: [[T1_BODY]]:
351 // Loop counters i and j updates:
352 // CHECK: [[IV1:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
353 // CHECK-NEXT: [[I_1:%.+]] = sdiv i64 [[IV1]], 4
354 // CHECK-NEXT: [[I_1_MUL1:%.+]] = mul nsw i64 [[I_1]], 1
355 // CHECK-NEXT: [[I_1_ADD0:%.+]] = add nsw i64 0, [[I_1_MUL1]]
356 // CHECK-NEXT: [[I_2:%.+]] = trunc i64 [[I_1_ADD0]] to i32
357 // CHECK-NEXT: store i32 [[I_2]], i32* {{%.+}}{{.*}}!llvm.access.group
358 // CHECK: [[IV2:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
359 // CHECK: [[IV2_1:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
360 // CHECK-NEXT: [[J_1_DIV1:%.+]] = sdiv i64 [[IV2_1]], 4
361 // CHECK-NEXT: [[J_1_MUL1:%.+]] = mul nsw i64 [[J_1_DIV1]], 4
362 // CHECK-NEXT: [[J_1_SUB0:%.+]] = sub nsw i64 [[IV2]], [[J_1_MUL1]]
363 // CHECK-NEXT: [[J_2:%.+]] = mul nsw i64 [[J_1_SUB0]], 2
364 // CHECK-NEXT: [[J_2_ADD0:%.+]] = add nsw i64 0, [[J_2]]
365 // CHECK-NEXT: store i64 [[J_2_ADD0]], i64* {{%.+}}{{.*}}!llvm.access.group
366 // simd.for.inc:
367 // CHECK: [[IV3:%.+]] = load i64, i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
368 // CHECK-NEXT: [[INC:%.+]] = add nsw i64 [[IV3]], 1
369 // CHECK-NEXT: store i64 [[INC]], i64* [[T1_OMP_IV]]{{.*}}!llvm.access.group
370 // CHECK-NEXT: br label {{%.+}}
371 // CHECK: [[T1_END]]:
372 // CHECK: ret i32 0
373 //
374 void inst_templ1() {
375   float a;
376   float z[100];
377   templ1<float,2> (a, z);
378 }
379 
380 
381 typedef int MyIdx;
382 
383 class IterDouble {
384   double *Ptr;
385 public:
386   IterDouble operator++ () const {
387     IterDouble n;
388     n.Ptr = Ptr + 1;
389     return n;
390   }
391   bool operator < (const IterDouble &that) const {
392     return Ptr < that.Ptr;
393   }
394   double & operator *() const {
395     return *Ptr;
396   }
397   MyIdx operator - (const IterDouble &that) const {
398     return (MyIdx) (Ptr - that.Ptr);
399   }
400   IterDouble operator + (int Delta) {
401     IterDouble re;
402     re.Ptr = Ptr + Delta;
403     return re;
404   }
405 
406   ///~IterDouble() {}
407 };
408 
409 // CHECK-LABEL: define {{.*void}} @{{.*}}iter_simple{{.*}}
410 void iter_simple(IterDouble ia, IterDouble ib, IterDouble ic) {
411 //
412 // Calculate number of iterations before the loop body.
413 // CHECK: [[DIFF1:%.+]] = invoke {{.*}}i32 @{{.*}}IterDouble{{.*}}
414 // CHECK: [[DIFF2:%.+]] = sub nsw i32 [[DIFF1]], 1
415 // CHECK-NEXT: [[DIFF3:%.+]] = add nsw i32 [[DIFF2]], 1
416 // CHECK-NEXT: [[DIFF4:%.+]] = sdiv i32 [[DIFF3]], 1
417 // CHECK-NEXT: [[DIFF5:%.+]] = sub nsw i32 [[DIFF4]], 1
418 // CHECK-NEXT: store i32 [[DIFF5]], i32* [[OMP_LAST_IT:%[^,]+]]{{.+}}
419 // CHECK: store i32 0, i32* [[IT_OMP_IV:%[^,]+]]
420   #pragma omp simd
421 
422 // CHECK: [[IV:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}} !llvm.access.group
423 // CHECK-NEXT: [[LAST_IT:%.+]] = load i32, i32* [[OMP_LAST_IT]]{{.+}}!llvm.access.group
424 // CHECK-NEXT: [[NUM_IT:%.+]] = add nsw i32 [[LAST_IT]], 1
425 // CHECK-NEXT: [[CMP:%.+]] = icmp slt i32 [[IV]], [[NUM_IT]]
426 // CHECK-NEXT: br i1 [[CMP]], label %[[IT_BODY:[^,]+]], label %[[IT_END:[^,]+]]
427   for (IterDouble i = ia; i < ib; ++i) {
428 // CHECK: [[IT_BODY]]:
429 // Start of body: calculate i from index:
430 // CHECK: [[IV1:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.access.group
431 // Call of operator+ (i, IV).
432 // CHECK: {{%.+}} = invoke {{.+}} @{{.*}}IterDouble{{.*}}
433 // ... loop body ...
434    *i = *ic * 0.5;
435 // Float multiply and save result.
436 // CHECK: [[MULR:%.+]] = fmul double {{%.+}}, 5.000000e-01
437 // CHECK-NEXT: invoke {{.+}} @{{.*}}IterDouble{{.*}}
438 // CHECK: store double [[MULR:%.+]], double* [[RESULT_ADDR:%.+]], !llvm.access.group
439    ++ic;
440 //
441 // CHECK: [[IV2:%.+]] = load i32, i32* [[IT_OMP_IV]]{{.+}}!llvm.access.group
442 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i32 [[IV2]], 1
443 // CHECK-NEXT: store i32 [[ADD2]], i32* [[IT_OMP_IV]]{{.+}}!llvm.access.group
444 // br label %{{.*}}, !llvm.loop ![[ITER_LOOP_ID]]
445   }
446 // CHECK: [[IT_END]]:
447 // CHECK: ret void
448 }
449 
450 
451 // CHECK-LABEL: define {{.*void}} @{{.*}}collapsed{{.*}}
452 void collapsed(float *a, float *b, float *c, float *d) {
453   int i; // outer loop counter
454   unsigned j; // middle loop couter, leads to unsigned icmp in loop header.
455   // k declared in the loop init below
456   short l; // inner loop counter
457 // CHECK: store i32 0, i32* [[OMP_IV:[^,]+]]
458 //
459   #pragma omp simd collapse(4)
460 
461 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
462 // CHECK-NEXT: [[CMP:%.+]] = icmp ult i32 [[IV]], 120
463 // CHECK-NEXT: br i1 [[CMP]], label %[[COLL1_BODY:[^,]+]], label %[[COLL1_END:[^,]+]]
464   for (i = 1; i < 3; i++) // 2 iterations
465     for (j = 2u; j < 5u; j++) //3 iterations
466       for (int k = 3; k <= 6; k++) // 4 iterations
467         for (l = 4; l < 9; ++l) // 5 iterations
468         {
469 // CHECK: [[COLL1_BODY]]:
470 // Start of body: calculate i from index:
471 // CHECK: [[IV1:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
472 // Calculation of the loop counters values.
473 // CHECK: [[CALC_I_1:%.+]] = udiv i32 [[IV1]], 60
474 // CHECK-NEXT: [[CALC_I_1_MUL1:%.+]] = mul i32 [[CALC_I_1]], 1
475 // CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 1, [[CALC_I_1_MUL1]]
476 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
477 
478 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
479 // CHECK: [[IV1_2_1:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
480 // CHECK-NEXT: [[CALC_J_1:%.+]] = udiv i32 [[IV1_2_1]], 60
481 // CHECK-NEXT: [[MUL_1:%.+]] = mul i32 [[CALC_J_1]], 60
482 // CHECK-NEXT: [[SUB_3:%.+]] = sub i32 [[IV1_2]], [[MUL_1]]
483 // CHECK-NEXT: [[CALC_J_2:%.+]] = udiv i32 [[SUB_3]], 20
484 // CHECK-NEXT: [[CALC_J_2_MUL1:%.+]] = mul i32 [[CALC_J_2]], 1
485 // CHECK-NEXT: [[CALC_J_3:%.+]] = add i32 2, [[CALC_J_2_MUL1]]
486 // CHECK-NEXT: store i32 [[CALC_J_3]], i32* [[LC_J:.+]]
487 
488 // CHECK: [[IV1_3:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
489 // CHECK: [[IV1_3_1:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
490 // CHECK-NEXT: [[DIV_1:%.+]] = udiv i32 [[IV1_3_1]], 60
491 // CHECK-NEXT: [[MUL_2:%.+]] = mul i32 [[DIV_1]], 60
492 // CHECK-NEXT: [[ADD_3:%.+]] = sub i32 [[IV1_3]], [[MUL_2]]
493 
494 // CHECK: [[IV1_4:%.+]] = load i32, i32* [[OMP_IV]]
495 // CHECK: [[IV1_4_1:%.+]] = load i32, i32* [[OMP_IV]]
496 // CHECK-NEXT: [[DIV_2:%.+]] = udiv i32 [[IV1_4_1]], 60
497 // CHECK-NEXT: [[MUL_3:%.+]] = mul i32 [[DIV_2]], 60
498 // CHECK-NEXT: [[SUB_6:%.+]] = sub i32 [[IV1_4]], [[MUL_3]]
499 // CHECK-NEXT: [[DIV_3:%.+]] = udiv i32 [[SUB_6]], 20
500 // CHECK-NEXT: [[MUL_4:%.+]] = mul i32 [[DIV_3]], 20
501 // CHECK-NEXT: [[ADD_5:%.+]] = sub i32 [[ADD_3]], [[MUL_4]]
502 // CHECK-NEXT: [[DIV_4:%.+]] = udiv i32 [[ADD_5]], 5
503 // CHECK-NEXT: [[MUL_5:%.+]] = mul i32 [[DIV_4]], 1
504 // CHECK-NEXT: [[ADD_6:%.+]] = add i32 3, [[MUL_5]]
505 // CHECK-NEXT: store i32 [[ADD_6]], i32* [[LC_K:.+]]
506 
507 // CHECK: [[IV1_5:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
508 // CHECK: [[IV1_5_1:%.+]] = load i32, i32* [[OMP_IV]]{{.+}}!llvm.access.group
509 // CHECK-NEXT: [[DIV_5:%.+]] = udiv i32 [[IV1_5_1]], 60
510 // CHECK-NEXT: [[MUL_6:%.+]] = mul i32 [[DIV_5]], 60
511 // CHECK-NEXT: [[SUB_7:%.+]] = sub i32 [[IV1_5]], [[MUL_6]]
512 
513 // CHECK: [[IV1_6:%.+]] = load i32, i32* [[OMP_IV]]
514 // CHECK: [[IV1_6_1:%.+]] = load i32, i32* [[OMP_IV]]
515 // CHECK-NEXT: [[DIV_6:%.+]] = udiv i32 [[IV1_6_1]], 60
516 // CHECK-NEXT: [[MUL_7:%.+]] = mul i32 [[DIV_6]], 60
517 // CHECK-NEXT: [[SUB_10:%.+]] = sub i32 [[IV1_6]], [[MUL_7]]
518 // CHECK-NEXT: [[DIV_7:%.+]] = udiv i32 [[SUB_10]], 20
519 // CHECK-NEXT: [[MUL_8:%.+]] = mul i32 [[DIV_7]], 20
520 // CHECK-NEXT: [[SUB_11:%.+]] = sub i32 [[SUB_7]], [[MUL_8]]
521 
522 // CHECK: [[IV1_7:%.+]] = load i32, i32* [[OMP_IV]]
523 // CHECK: [[IV1_7_1:%.+]] = load i32, i32* [[OMP_IV]]
524 // CHECK-NEXT: [[DIV_8:%.+]] = udiv i32 [[IV1_7_1]], 60
525 // CHECK-NEXT: [[MUL_9:%.+]] = mul i32 [[DIV_8]], 60
526 // CHECK-NEXT: [[SUB_12:%.+]] = sub i32 [[IV1_7]], [[MUL_9]]
527 
528 // CHECK: [[IV1_8:%.+]] = load i32, i32* [[OMP_IV]]
529 // CHECK: [[IV1_8_1:%.+]] = load i32, i32* [[OMP_IV]]
530 // CHECK-NEXT: [[DIV_3:%.+]] = udiv i32 [[IV1_8_1]], 60
531 // CHECK-NEXT: [[MUL_4:%.+]] = mul i32 [[DIV_3]], 60
532 // CHECK-NEXT: [[SUB_7:%.+]] = sub i32 [[IV1_8]], [[MUL_4]]
533 // CHECK-NEXT: [[DIV_4:%.+]] = udiv i32 [[SUB_7]], 20
534 // CHECK-NEXT: [[MUL_5:%.+]] = mul i32 [[DIV_4]], 20
535 // CHECK-NEXT: [[SUB_8:%.+]] = sub i32 [[SUB_12]], [[MUL_5]]
536 // CHECK-NEXT: [[DIV_5:%.+]] = udiv i32 [[SUB_8]], 5
537 // CHECK-NEXT: [[MUL_6:%.+]] = mul i32 [[DIV_5]], 5
538 // CHECK-NEXT: [[SUB_9:%.+]] = sub i32 [[SUB_11]], [[MUL_6]]
539 // CHECK-NEXT: [[MUL_6:%.+]] = mul i32 [[SUB_9]], 1
540 // CHECK-NEXT: [[CALC_L_2:%.+]] = add i32 4, [[MUL_6]]
541 // CHECK-NEXT: [[CALC_L_3:%.+]] = trunc i32 [[CALC_L_2]] to i16
542 // CHECK-NEXT: store i16 [[CALC_L_3]], i16* [[LC_L:.+]]
543 // ... loop body ...
544 // End of body: store into a[i]:
545 // CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.access.group
546     float res = b[j] * c[k];
547     a[i] = res * d[l];
548 // CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
549 // CHECK-NEXT: [[ADD2:%.+]] = add i32 [[IV2]], 1
550 // CHECK-NEXT: store i32 [[ADD2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
551 // br label %{{[^,]+}}, !llvm.loop ![[COLL1_LOOP_ID]]
552 // CHECK: [[COLL1_END]]:
553   }
554 // i,j,l are updated; k is not updated.
555 // CHECK: store i32 3, i32*
556 // CHECK-NEXT: store i32 5, i32*
557 // CHECK-NEXT: store i32 7, i32*
558 // CHECK-NEXT: store i16 9, i16*
559 // CHECK: ret void
560 }
561 
562 extern char foo();
563 extern double globalfloat;
564 
565 // CHECK-LABEL: define {{.*void}} @{{.*}}widened{{.*}}
566 void widened(float *a, float *b, float *c, float *d) {
567   int i; // outer loop counter
568   short j; // inner loop counter
569   globalfloat = 1.0;
570   int localint = 1;
571 // CHECK: store double {{.+}}, double* [[GLOBALFLOAT:@.+]]
572 // Counter is widened to 64 bits.
573 // CHECK: store i64 0, i64* [[OMP_IV:[^,]+]]
574 //
575   #pragma omp simd collapse(2) private(globalfloat, localint)
576 
577 // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.access.group
578 // CHECK-NEXT: [[LI:%.+]] = load i64, i64* [[OMP_LI:%[^,]+]]{{.+}}!llvm.access.group
579 // CHECK-NEXT: [[NUMIT:%.+]] = add nsw i64 [[LI]], 1
580 // CHECK-NEXT: [[CMP:%.+]] = icmp slt i64 [[IV]], [[NUMIT]]
581 // CHECK-NEXT: br i1 [[CMP]], label %[[WIDE1_BODY:[^,]+]], label %[[WIDE1_END:[^,]+]]
582   for (i = 1; i < 3; i++) // 2 iterations
583     for (j = 0; j < foo(); j++) // foo() iterations
584   {
585 // CHECK: [[WIDE1_BODY]]:
586 // Start of body: calculate i from index:
587 // CHECK: [[IV1:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.access.group
588 // Calculation of the loop counters values...
589 // CHECK: store i32 {{[^,]+}}, i32* [[LC_I:.+]]
590 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]{{.+}}!llvm.access.group
591 // CHECK: store i16 {{[^,]+}}, i16* [[LC_J:.+]]
592 // ... loop body ...
593 //
594 // Here we expect store into private double var, not global
595 // CHECK-NOT: store double {{.+}}, double* [[GLOBALFLOAT]]
596     globalfloat = (float)j/i;
597     float res = b[j] * c[j];
598 // Store into a[i]:
599 // CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]{{.+}}!llvm.access.group
600     a[i] = res * d[i];
601 // Then there's a store into private var localint:
602 // CHECK: store i32 {{.+}}, i32* [[LOCALINT:%[^,]+]]{{.+}}!llvm.access.group
603     localint = (int)j;
604 // CHECK: [[IV2:%.+]] = load i64, i64* [[OMP_IV]]{{.*}}!llvm.access.group
605 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i64 [[IV2]], 1
606 // CHECK-NEXT: store i64 [[ADD2]], i64* [[OMP_IV]]{{.*}}!llvm.access.group
607 //
608 // br label %{{[^,]+}}, !llvm.loop ![[WIDE1_LOOP_ID]]
609 // CHECK: [[WIDE1_END]]:
610   }
611 // i,j are updated.
612 // CHECK: store i32 3, i32* [[I:%[^,]+]]
613 // CHECK: store i16
614 //
615 // Here we expect store into original localint, not its privatized version.
616 // CHECK-NOT: store i32 {{.+}}, i32* [[LOCALINT]]
617   localint = (int)j;
618 // CHECK: ret void
619 }
620 
621 // CHECK-LABEL: define {{.*void}} @{{.*}}linear{{.*}}(float* {{.+}})
622 void linear(float *a) {
623   // CHECK: [[VAL_ADDR:%.+]] = alloca i64,
624   // CHECK: [[K_ADDR:%.+]] = alloca i64*,
625   long long val = 0;
626   long long &k = val;
627 
628   #pragma omp simd linear(k : 3)
629 // CHECK: store i64* [[VAL_ADDR]], i64** [[K_ADDR]],
630 // CHECK: [[VAL_REF:%.+]] = load i64*, i64** [[K_ADDR]],
631 // CHECK: store i64* [[VAL_REF]], i64** [[K_ADDR_REF:%.+]],
632 // CHECK: store i32 0, i32* [[OMP_IV:%[^,]+]]
633 // CHECK: [[K_REF:%.+]] = load i64*, i64** [[K_ADDR_REF]],
634 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_REF]]
635 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
636 
637 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
638 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV]], 9
639 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP_BODY:.+]], label %[[SIMPLE_LOOP_END:[^,]+]]
640   for (int i = 10; i > 1; i--) {
641 // CHECK: [[SIMPLE_LOOP_BODY]]:
642 // Start of body: calculate i from IV:
643 // CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
644 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
645 // CHECK-NEXT: [[IV_1:%.+]] = mul nsw i32 [[IV_0]], 1
646 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV_1]]
647 // CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
648 //
649 // CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
650 // CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
651 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV_2]], 3
652 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
653 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
654 // Update of the privatized version of linear variable!
655 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
656     a[k]++;
657     k = k + 3;
658 // CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
659 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV_2]], 1
660 // CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
661 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP_ID]]
662   }
663 // CHECK: [[SIMPLE_LOOP_END]]:
664 //
665 // Update linear vars after loop, as the loop was operating on a private version.
666 // CHECK: [[K_REF:%.+]] = load i64*, i64** [[K_ADDR_REF]],
667 // CHECK: store i64* [[K_REF]], i64** [[K_PRIV_REF:%.+]],
668 // CHECK: [[LIN0_2:%.+]] = load i64, i64* [[K_PRIVATIZED]]
669 // CHECK-NEXT: [[K_REF:%.+]] = load i64*, i64** [[K_PRIV_REF]],
670 // CHECK-NEXT: store i64 [[LIN0_2]], i64* [[K_REF]]
671 //
672 
673   #pragma omp simd linear(val(k) : 3)
674 // CHECK: [[VAL_REF:%.+]] = load i64*, i64** [[K_ADDR]],
675 // CHECK: store i64* [[VAL_REF]], i64** [[K_ADDR_REF:%.+]],
676 // CHECK: store i32 0, i32* [[OMP_IV:%[^,]+]]
677 // CHECK: [[K_REF:%.+]] = load i64*, i64** [[K_ADDR_REF]],
678 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_REF]]
679 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
680 
681 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
682 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV]], 9
683 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP_BODY:.+]], label %[[SIMPLE_LOOP_END:[^,]+]]
684   for (int i = 10; i > 1; i--) {
685 // CHECK: [[SIMPLE_LOOP_BODY]]:
686 // Start of body: calculate i from IV:
687 // CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
688 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
689 // CHECK-NEXT: [[IV_1:%.+]] = mul nsw i32 [[IV_0]], 1
690 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV_1]]
691 // CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
692 //
693 // CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
694 // CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
695 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV_2]], 3
696 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
697 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
698 // Update of the privatized version of linear variable!
699 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
700     a[k]++;
701     k = k + 3;
702 // CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
703 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV_2]], 1
704 // CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
705 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP_ID]]
706   }
707 // CHECK: [[SIMPLE_LOOP_END]]:
708 //
709 // Update linear vars after loop, as the loop was operating on a private version.
710 // CHECK: [[K_REF:%.+]] = load i64*, i64** [[K_ADDR_REF]],
711 // CHECK: store i64* [[K_REF]], i64** [[K_PRIV_REF:%.+]],
712 // CHECK: [[LIN0_2:%.+]] = load i64, i64* [[K_PRIVATIZED]]
713 // CHECK-NEXT: [[K_REF:%.+]] = load i64*, i64** [[K_PRIV_REF]],
714 // CHECK-NEXT: store i64 [[LIN0_2]], i64* [[K_REF]]
715 //
716   #pragma omp simd linear(uval(k) : 3)
717 // CHECK: store i32 0, i32* [[OMP_IV:%[^,]+]]
718 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[VAL_ADDR]]
719 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
720 
721 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
722 // CHECK-NEXT: [[CMP2:%.+]] = icmp slt i32 [[IV]], 9
723 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP_BODY:.+]], label %[[SIMPLE_LOOP_END:[^,]+]]
724   for (int i = 10; i > 1; i--) {
725 // CHECK: [[SIMPLE_LOOP_BODY]]:
726 // Start of body: calculate i from IV:
727 // CHECK: [[IV_0:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
728 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
729 // CHECK-NEXT: [[IV_1:%.+]] = mul nsw i32 [[IV_0]], 1
730 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV_1]]
731 // CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.access.group
732 //
733 // CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.access.group
734 // CHECK-NEXT: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
735 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV_2]], 3
736 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
737 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
738 // Update of the privatized version of linear variable!
739 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
740     a[k]++;
741     k = k + 3;
742 // CHECK: [[IV_2:%.+]] = load i32, i32* [[OMP_IV]]{{.*}}!llvm.access.group
743 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV_2]], 1
744 // CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV]]{{.*}}!llvm.access.group
745 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP_ID]]
746   }
747 // CHECK: [[SIMPLE_LOOP_END]]:
748 //
749 // Update linear vars after loop, as the loop was operating on a private version.
750 // CHECK: [[LIN0_2:%.+]] = load i64, i64* [[K_PRIVATIZED]]
751 // CHECK-NEXT: store i64 [[LIN0_2]], i64* [[VAL_ADDR]]
752 //
753 }
754 
755 #ifdef OMP5
756 // OMP50-LABEL: inner_simd
757 void inner_simd() {
758   double a, b;
759 #pragma omp simd nontemporal(a)
760   for (int i = 0; i < 10; ++i) {
761 #pragma omp simd nontemporal(b)
762     for (int k = 0; k < 10; ++k) {
763       // OMP50: load double,{{.*}}!nontemporal
764       // OMP50: store double{{.*}}!nontemporal
765       a = b;
766     }
767     // OMP50-NOT: load double,{{.*}}!nontemporal
768     // OMP50: load double,
769     // OMP50: store double{{.*}}!nontemporal
770     a = b;
771   }
772 }
773 
774 extern struct T t;
775 struct Base {
776   float a;
777 };
778 struct T : public Base {
779   void foo() {
780 #pragma omp simd nontemporal(Base::a)
781     for (int i = 0; i < 10; ++i) {
782     // OMP50: store float{{.*}}!nontemporal
783     // OMP50-NOT: nontemporal
784     // OMP50-NEXT: store float
785       Base::a = 0;
786       t.a = 0;
787     }
788   }
789 } t;
790 
791 void bartfoo() {
792   t.foo();
793 }
794 
795 #endif // OMP5
796 // TERM_DEBUG-LABEL: bar
797 int bar() { extern void mayThrow(); mayThrow(); return 0; };
798 
799 // TERM_DEBUG-LABEL: parallel_simd
800 void parallel_simd(float *a) {
801 #pragma omp parallel
802 #pragma omp simd
803   // TERM_DEBUG-NOT: __kmpc_global_thread_num
804   // TERM_DEBUG:     invoke i32 {{.*}}bar{{.*}}()
805   // TERM_DEBUG:     unwind label %[[TERM_LPAD:[^,]+]],
806   // TERM_DEBUG-NOT: __kmpc_global_thread_num
807   // TERM_DEBUG:     [[TERM_LPAD]]
808   // TERM_DEBUG:     call void @__clang_call_terminate
809   // TERM_DEBUG:     unreachable
810   for (unsigned i = 131071; i <= 2147483647; i += 127)
811     a[i] += bar();
812 }
813 // TERM_DEBUG: !{{[0-9]+}} = !DILocation(line: [[@LINE-11]],
814 
815 // CHECK-LABEL: S8
816 // CHECK-DAG: call void @llvm.assume(i1
817 // CHECK-DAG: call void @llvm.assume(i1
818 // CHECK-DAG: call void @llvm.assume(i1
819 // CHECK-DAG: call void @llvm.assume(i1
820 struct SS {
821   SS(): a(0) {}
822   SS(int v) : a(v) {}
823   int a;
824   typedef int type;
825 };
826 
827 template <typename T>
828 class S7 : public T {
829 protected:
830   T *a;
831   T b[2];
832   S7() : a(0) {}
833 
834 public:
835   S7(typename T::type &v) : a((T*)&v) {
836 #pragma omp simd aligned(a)
837     for (int k = 0; k < a->a; ++k)
838       ++this->a->a;
839 #pragma omp simd aligned(this->b : 8)
840     for (int k = 0; k < a->a; ++k)
841       ++a->a;
842   }
843 };
844 
845 class S8 : private IterDouble, public S7<SS> {
846   S8() {}
847 
848 public:
849   S8(int v) : S7<SS>(v){
850 #pragma omp parallel private(a)
851 #pragma omp simd aligned(S7<SS>::a)
852     for (int k = 0; k < a->a; ++k)
853       ++this->a->a;
854 #pragma omp parallel shared(b)
855 #pragma omp simd aligned(this->b: 4)
856     for (int k = 0; k < a->a; ++k)
857       ++a->a;
858   }
859 };
860 S8 s8(0);
861 
862 // TERM_DEBUG-NOT: line: 0,
863 // TERM_DEBUG: distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_simd_codegen.cpp",
864 // OMP50-DAG: ![[NOVECT:.+]] = !{!"llvm.loop.vectorize.enable", i1 false}
865 // OMP50-DAG: ![[DISABLE_VECT]] = distinct !{{.*}}![[NOVECT]]{{[,}]}}
866 #endif // HEADER
867 
868