xref: /llvm-project/clang/test/OpenMP/parallel_for_simd_codegen.cpp (revision a9b9cc0d79e7abd300fe14da1de1be036f9d8b77)
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 
6 // RUN: %clang_cc1 -verify -fopenmp-simd -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck --check-prefix SIMD-ONLY0 %s
7 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
8 // 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 - | FileCheck --check-prefix SIMD-ONLY0 %s
9 // 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 - | FileCheck --check-prefix SIMD-ONLY0 %s
10 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
11 // expected-no-diagnostics
12 #ifndef HEADER
13 #define HEADER
14 
15 long long get_val() { return 0; }
16 double *g_ptr;
17 
18 // CHECK-LABEL: define {{.*void}} @{{.*}}simple{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})
19 void simple(float *a, float *b, float *c, float *d) {
20 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
21 // CHECK: [[K0:%.+]] = call {{.*}}i64 @{{.*}}get_val
22 // CHECK-NEXT: store i64 [[K0]], i64* [[K_VAR:%[^,]+]]
23 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
24 // CHECK: store i32 12, i32* [[LIN_VAR:%[^,]+]]
25 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
26 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
27 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
28 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
29 // CHECK: store i32 -1, i32* [[A:%.+]],
30 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
31 // CHECK: store i32 -1, i32* [[R:%[^,]+]],
32 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
33   #pragma omp parallel for simd
34 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
35 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
36 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], 5
37 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
38 // CHECK: [[TRUE]]:
39 // CHECK: br label %[[SWITCH:[^,]+]]
40 // CHECK: [[FALSE]]:
41 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
42 // CHECK: br label %[[SWITCH]]
43 // CHECK: [[SWITCH]]:
44 // CHECK: [[UP:%.+]] = phi i32 [ 5, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
45 // CHECK: store i32 [[UP]], i32* [[UB]],
46 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
47 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV:%[^,]+]],
48 
49 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
50 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
51 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB_VAL]]
52 // CHECK-NEXT: br i1 [[CMP]], label %[[SIMPLE_LOOP1_BODY:.+]], label %[[SIMPLE_LOOP1_END:[^,]+]]
53   for (int i = 3; i < 32; i += 5) {
54 // CHECK: [[SIMPLE_LOOP1_BODY]]:
55 // Start of body: calculate i from IV:
56 // CHECK: [[IV1_1:%.+]] = load i32, i32* [[OMP_IV]]
57 // CHECK: [[CALC_I_1:%.+]] = mul nsw i32 [[IV1_1]], 5
58 // CHECK-NEXT: [[CALC_I_2:%.+]] = add nsw i32 3, [[CALC_I_1]]
59 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
60 // ... loop body ...
61 // End of body: store into a[i]:
62 // CHECK: store float [[RESULT:%.+]], float*
63     a[i] = b[i] * c[i] * d[i];
64 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]
65 // CHECK-NEXT: [[ADD1_2:%.+]] = add nsw i32 [[IV1_2]], 1
66 // CHECK-NEXT: store i32 [[ADD1_2]], i32* [[OMP_IV]]
67 // br label %{{.+}}, !llvm.loop !{{.+}}
68   }
69 // CHECK: [[SIMPLE_LOOP1_END]]:
70 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
71 
72   long long k = get_val();
73 
74   #pragma omp parallel for simd linear(k : 3) schedule(dynamic)
75 // CHECK: [[K0LOAD:%.+]] = load i64, i64* [[K_VAR:%[^,]+]]
76 // CHECK-NEXT: store i64 [[K0LOAD]], i64* [[LIN0:%[^,]+]]
77 
78 // CHECK: call void @__kmpc_dispatch_init_4(%ident_t* {{.+}}, i32 %{{.+}}, i32 35, i32 0, i32 8, i32 1, i32 1)
79 // CHECK: [[NEXT:%.+]] = call i32 @__kmpc_dispatch_next_4(%ident_t* {{.+}}, i32 %{{.+}}, i32* %{{.+}}, i32* [[LB:%.+]], i32* [[UB:%.+]], i32* %{{.+}})
80 // CHECK: [[COND:%.+]] = icmp ne i32 [[NEXT]], 0
81 // CHECK: br i1 [[COND]], label %[[CONT:.+]], label %[[END:.+]]
82 // CHECK: [[CONT]]:
83 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
84 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV2:%[^,]+]],
85 
86 // CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID:[0-9]+]]
87 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
88 // CHECK-NEXT: [[CMP2:%.+]] = icmp sle i32 [[IV2]], [[UB_VAL]]
89 // CHECK-NEXT: br i1 [[CMP2]], label %[[SIMPLE_LOOP2_BODY:.+]], label %[[SIMPLE_LOOP2_END:[^,]+]]
90   for (int i = 10; i > 1; i--) {
91 // CHECK: [[SIMPLE_LOOP2_BODY]]:
92 // Start of body: calculate i from IV:
93 // CHECK: [[IV2_0:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
94 // FIXME: It is interesting, why the following "mul 1" was not constant folded?
95 // CHECK-NEXT: [[IV2_1:%.+]] = mul nsw i32 [[IV2_0]], 1
96 // CHECK-NEXT: [[LC_I_1:%.+]] = sub nsw i32 10, [[IV2_1]]
97 // CHECK-NEXT: store i32 [[LC_I_1]], i32* {{.+}}, !llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
98 //
99 // CHECK-NEXT: [[LIN0_1:%.+]] = load i64, i64* [[LIN0]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
100 // CHECK-NEXT: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
101 // CHECK-NEXT: [[LIN_MUL1:%.+]] = mul nsw i32 [[IV2_2]], 3
102 // CHECK-NEXT: [[LIN_EXT1:%.+]] = sext i32 [[LIN_MUL1]] to i64
103 // CHECK-NEXT: [[LIN_ADD1:%.+]] = add nsw i64 [[LIN0_1]], [[LIN_EXT1]]
104 // Update of the privatized version of linear variable!
105 // CHECK-NEXT: store i64 [[LIN_ADD1]], i64* [[K_PRIVATIZED:%[^,]+]]
106     a[k]++;
107     k = k + 3;
108 // CHECK: [[IV2_2:%.+]] = load i32, i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
109 // CHECK-NEXT: [[ADD2_2:%.+]] = add nsw i32 [[IV2_2]], 1
110 // CHECK-NEXT: store i32 [[ADD2_2]], i32* [[OMP_IV2]]{{.*}}!llvm.mem.parallel_loop_access ![[SIMPLE_LOOP2_ID]]
111 // br label {{.+}}, !llvm.loop ![[SIMPLE_LOOP2_ID]]
112   }
113 // CHECK: [[SIMPLE_LOOP2_END]]:
114 //
115 // Update linear vars after loop, as the loop was operating on a private version.
116 // CHECK: [[LIN0_2:%.+]] = load i64, i64* [[LIN0]]
117 // CHECK-NEXT: [[LIN_ADD2:%.+]] = add nsw i64 [[LIN0_2]], 27
118 // CHECK-NEXT: store i64 [[LIN_ADD2]], i64* %{{.+}}
119 
120   int lin = 12;
121   #pragma omp parallel for simd linear(lin : get_val()), linear(g_ptr)
122 
123 // CHECK: alloca i32,
124 // Init linear private var.
125 // CHECK: [[LIN_VAR:%.+]] = load i32*, i32** %
126 // CHECK: [[LIN_LOAD:%.+]] = load i32, i32* [[LIN_VAR]]
127 // CHECK-NEXT: store i32 [[LIN_LOAD]], i32* [[LIN_START:%[^,]+]]
128 // Remember linear step.
129 // CHECK: [[CALL_VAL:%.+]] = invoke
130 // CHECK: store i64 [[CALL_VAL]], i64* [[LIN_STEP:%[^,]+]]
131 
132 // CHECK: [[GLIN_LOAD:%.+]] = load double*, double** [[GLIN_VAR:%.+]],
133 // CHECK-NEXT: store double* [[GLIN_LOAD]], double** [[GLIN_START:%[^,]+]]
134 
135 // CHECK: call void @__kmpc_for_static_init_8u(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
136 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
137 // CHECK: [[CMP:%.+]] = icmp ugt i64 [[UB_VAL]], 3
138 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
139 // CHECK: [[TRUE]]:
140 // CHECK: br label %[[SWITCH:[^,]+]]
141 // CHECK: [[FALSE]]:
142 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
143 // CHECK: br label %[[SWITCH]]
144 // CHECK: [[SWITCH]]:
145 // CHECK: [[UP:%.+]] = phi i64 [ 3, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
146 // CHECK: store i64 [[UP]], i64* [[UB]],
147 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
148 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV3:%[^,]+]],
149 
150 // CHECK: [[IV3:%.+]] = load i64, i64* [[OMP_IV3]]
151 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
152 // CHECK-NEXT: [[CMP3:%.+]] = icmp ule i64 [[IV3]], [[UB_VAL]]
153 // CHECK-NEXT: br i1 [[CMP3]], label %[[SIMPLE_LOOP3_BODY:.+]], label %[[SIMPLE_LOOP3_END:[^,]+]]
154   for (unsigned long long it = 2000; it >= 600; it-=400) {
155 // CHECK: [[SIMPLE_LOOP3_BODY]]:
156 // Start of body: calculate it from IV:
157 // CHECK: [[IV3_0:%.+]] = load i64, i64* [[OMP_IV3]]
158 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul i64 [[IV3_0]], 400
159 // CHECK-NEXT: [[LC_IT_2:%.+]] = sub i64 2000, [[LC_IT_1]]
160 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* {{.+}}
161 //
162 // Linear start and step are used to calculate current value of the linear variable.
163 // CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]
164 // CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]
165 // CHECK-NOT: store i32 {{.+}}, i32* [[LIN_VAR]]
166 // CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]
167 // CHECK-NEXT: [[IV3_1:%.+]] = load i64, i64* [[OMP_IV3]]
168 // CHECK-NEXT: [[MUL:%.+]] = mul i64 [[IV3_1]], 1
169 // CHECK: [[GEP:%.+]] = getelementptr{{.*}}[[GLINSTART]]
170 // CHECK-NEXT: store double* [[GEP]], double** [[G_PTR_CUR:%[^,]+]]
171     *g_ptr++ = 0.0;
172 // CHECK: [[GEP_VAL:%.+]] = load double{{.*}}[[G_PTR_CUR]]
173 // CHECK: store double{{.*}}[[GEP_VAL]]
174     a[it + lin]++;
175 // CHECK: [[FLT_INC:%.+]] = fadd float
176 // CHECK-NEXT: store float [[FLT_INC]],
177 // CHECK: [[IV3_2:%.+]] = load i64, i64* [[OMP_IV3]]
178 // CHECK-NEXT: [[ADD3_2:%.+]] = add i64 [[IV3_2]], 1
179 // CHECK-NEXT: store i64 [[ADD3_2]], i64* [[OMP_IV3]]
180   }
181 // CHECK: [[SIMPLE_LOOP3_END]]:
182 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
183 //
184 // Linear start and step are used to calculate final value of the linear variables.
185 // CHECK: [[LINSTART:.+]] = load i32, i32* [[LIN_START]]
186 // CHECK: [[LINSTEP:.+]] = load i64, i64* [[LIN_STEP]]
187 // CHECK: store i32 {{.+}}, i32* [[LIN_VAR]],
188 // CHECK: [[GLINSTART:.+]] = load double*, double** [[GLIN_START]]
189 // CHECK: store double* {{.*}}[[GLIN_VAR]]
190 
191   #pragma omp parallel for simd
192 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
193 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
194 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], 3
195 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
196 // CHECK: [[TRUE]]:
197 // CHECK: br label %[[SWITCH:[^,]+]]
198 // CHECK: [[FALSE]]:
199 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
200 // CHECK: br label %[[SWITCH]]
201 // CHECK: [[SWITCH]]:
202 // CHECK: [[UP:%.+]] = phi i32 [ 3, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
203 // CHECK: store i32 [[UP]], i32* [[UB]],
204 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
205 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV4:%[^,]+]],
206 
207 // CHECK: [[IV4:%.+]] = load i32, i32* [[OMP_IV4]]
208 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
209 // CHECK-NEXT: [[CMP4:%.+]] = icmp sle i32 [[IV4]], [[UB_VAL]]
210 // CHECK-NEXT: br i1 [[CMP4]], label %[[SIMPLE_LOOP4_BODY:.+]], label %[[SIMPLE_LOOP4_END:[^,]+]]
211   for (short it = 6; it <= 20; it-=-4) {
212 // CHECK: [[SIMPLE_LOOP4_BODY]]:
213 // Start of body: calculate it from IV:
214 // CHECK: [[IV4_0:%.+]] = load i32, i32* [[OMP_IV4]]
215 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i32 [[IV4_0]], 4
216 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i32 6, [[LC_IT_1]]
217 // CHECK-NEXT: [[LC_IT_3:%.+]] = trunc i32 [[LC_IT_2]] to i16
218 // CHECK-NEXT: store i16 [[LC_IT_3]], i16*
219 
220 // CHECK: [[IV4_2:%.+]] = load i32, i32* [[OMP_IV4]]
221 // CHECK-NEXT: [[ADD4_2:%.+]] = add nsw i32 [[IV4_2]], 1
222 // CHECK-NEXT: store i32 [[ADD4_2]], i32* [[OMP_IV4]]
223   }
224 // CHECK: [[SIMPLE_LOOP4_END]]:
225 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
226 
227   #pragma omp parallel for simd
228 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
229 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
230 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], 25
231 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
232 // CHECK: [[TRUE]]:
233 // CHECK: br label %[[SWITCH:[^,]+]]
234 // CHECK: [[FALSE]]:
235 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
236 // CHECK: br label %[[SWITCH]]
237 // CHECK: [[SWITCH]]:
238 // CHECK: [[UP:%.+]] = phi i32 [ 25, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
239 // CHECK: store i32 [[UP]], i32* [[UB]],
240 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
241 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV5:%[^,]+]],
242 
243 // CHECK: [[IV5:%.+]] = load i32, i32* [[OMP_IV5]]
244 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
245 // CHECK-NEXT: [[CMP5:%.+]] = icmp sle i32 [[IV5]], [[UB_VAL]]
246 // CHECK-NEXT: br i1 [[CMP5]], label %[[SIMPLE_LOOP5_BODY:.+]], label %[[SIMPLE_LOOP5_END:[^,]+]]
247   for (unsigned char it = 'z'; it >= 'a'; it+=-1) {
248 // CHECK: [[SIMPLE_LOOP5_BODY]]:
249 // Start of body: calculate it from IV:
250 // CHECK: [[IV5_0:%.+]] = load i32, i32* [[OMP_IV5]]
251 // CHECK-NEXT: [[IV5_1:%.+]] = mul nsw i32 [[IV5_0]], 1
252 // CHECK-NEXT: [[LC_IT_1:%.+]] = sub nsw i32 122, [[IV5_1]]
253 // CHECK-NEXT: [[LC_IT_2:%.+]] = trunc i32 [[LC_IT_1]] to i8
254 // CHECK-NEXT: store i8 [[LC_IT_2]], i8* {{.+}},
255 
256 // CHECK: [[IV5_2:%.+]] = load i32, i32* [[OMP_IV5]]
257 // CHECK-NEXT: [[ADD5_2:%.+]] = add nsw i32 [[IV5_2]], 1
258 // CHECK-NEXT: store i32 [[ADD5_2]], i32* [[OMP_IV5]]
259   }
260 // CHECK: [[SIMPLE_LOOP5_END]]:
261 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
262 
263 // CHECK-NOT: mul i32 %{{.+}}, 10
264   #pragma omp parallel for simd
265   for (unsigned i=100; i<10; i+=10) {
266   }
267 
268   int A;
269   {
270   A = -1;
271   #pragma omp parallel for simd lastprivate(A)
272 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
273 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
274 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], 6
275 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
276 // CHECK: [[TRUE]]:
277 // CHECK: br label %[[SWITCH:[^,]+]]
278 // CHECK: [[FALSE]]:
279 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
280 // CHECK: br label %[[SWITCH]]
281 // CHECK: [[SWITCH]]:
282 // CHECK: [[UP:%.+]] = phi i64 [ 6, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
283 // CHECK: store i64 [[UP]], i64* [[UB]],
284 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
285 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV7:%[^,]+]],
286 
287 // CHECK: br label %[[SIMD_LOOP7_COND:[^,]+]]
288 // CHECK: [[SIMD_LOOP7_COND]]:
289 // CHECK-NEXT: [[IV7:%.+]] = load i64, i64* [[OMP_IV7]]
290 // CHECK-NEXT: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
291 // CHECK-NEXT: [[CMP7:%.+]] = icmp sle i64 [[IV7]], [[UB_VAL]]
292 // CHECK-NEXT: br i1 [[CMP7]], label %[[SIMPLE_LOOP7_BODY:.+]], label %[[SIMPLE_LOOP7_END:[^,]+]]
293   for (long long i = -10; i < 10; i += 3) {
294 // CHECK: [[SIMPLE_LOOP7_BODY]]:
295 // Start of body: calculate i from IV:
296 // CHECK: [[IV7_0:%.+]] = load i64, i64* [[OMP_IV7]]
297 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV7_0]], 3
298 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
299 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],
300 // CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]
301 // CHECK-NEXT: [[CONV:%.+]] = trunc i64 [[LC_VAL]] to i32
302 // CHECK-NEXT: store i32 [[CONV]], i32* [[A_PRIV:%[^,]+]],
303     A = i;
304 // CHECK: [[IV7_2:%.+]] = load i64, i64* [[OMP_IV7]]
305 // CHECK-NEXT: [[ADD7_2:%.+]] = add nsw i64 [[IV7_2]], 1
306 // CHECK-NEXT: store i64 [[ADD7_2]], i64* [[OMP_IV7]]
307   }
308 // CHECK: [[SIMPLE_LOOP7_END]]:
309 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
310 // CHECK: load i32, i32*
311 // CHECK: icmp ne i32 %{{.+}}, 0
312 // CHECK: br i1 %{{.+}}, label
313 // CHECK: [[A_PRIV_VAL:%.+]] = load i32, i32* [[A_PRIV]],
314 // CHECK-NEXT: store i32 [[A_PRIV_VAL]], i32* %{{.+}},
315 // CHECK-NEXT: br label
316   }
317   int R;
318   {
319   R = -1;
320 // CHECK: store i32 1, i32* [[R_PRIV:%[^,]+]],
321   #pragma omp parallel for simd reduction(*:R)
322 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
323 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
324 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], 6
325 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
326 // CHECK: [[TRUE]]:
327 // CHECK: br label %[[SWITCH:[^,]+]]
328 // CHECK: [[FALSE]]:
329 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
330 // CHECK: br label %[[SWITCH]]
331 // CHECK: [[SWITCH]]:
332 // CHECK: [[UP:%.+]] = phi i64 [ 6, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
333 // CHECK: store i64 [[UP]], i64* [[UB]],
334 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
335 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV8:%[^,]+]],
336 
337 // CHECK: br label %[[SIMD_LOOP8_COND:[^,]+]]
338 // CHECK: [[SIMD_LOOP8_COND]]:
339 // CHECK-NEXT: [[IV8:%.+]] = load i64, i64* [[OMP_IV8]]
340 // CHECK-NEXT: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
341 // CHECK-NEXT: [[CMP8:%.+]] = icmp sle i64 [[IV8]], [[UB_VAL]]
342 // CHECK-NEXT: br i1 [[CMP8]], label %[[SIMPLE_LOOP8_BODY:.+]], label %[[SIMPLE_LOOP8_END:[^,]+]]
343   for (long long i = -10; i < 10; i += 3) {
344 // CHECK: [[SIMPLE_LOOP8_BODY]]:
345 // Start of body: calculate i from IV:
346 // CHECK: [[IV8_0:%.+]] = load i64, i64* [[OMP_IV8]]
347 // CHECK-NEXT: [[LC_IT_1:%.+]] = mul nsw i64 [[IV8_0]], 3
348 // CHECK-NEXT: [[LC_IT_2:%.+]] = add nsw i64 -10, [[LC_IT_1]]
349 // CHECK-NEXT: store i64 [[LC_IT_2]], i64* [[LC:%[^,]+]],
350 // CHECK-NEXT: [[LC_VAL:%.+]] = load i64, i64* [[LC]]
351 // CHECK: store i32 %{{.+}}, i32* [[R_PRIV]],
352     R *= i;
353 // CHECK: [[IV8_2:%.+]] = load i64, i64* [[OMP_IV8]]
354 // CHECK-NEXT: [[ADD8_2:%.+]] = add nsw i64 [[IV8_2]], 1
355 // CHECK-NEXT: store i64 [[ADD8_2]], i64* [[OMP_IV8]]
356   }
357 // CHECK: [[SIMPLE_LOOP8_END]]:
358 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
359 // CHECK: call i32 @__kmpc_reduce_nowait(
360 // CHECK: [[R_PRIV_VAL:%.+]] = load i32, i32* [[R_PRIV]],
361 // CHECK: [[RED:%.+]] = mul nsw i32 %{{.+}}, [[R_PRIV_VAL]]
362 // CHECK-NEXT: store i32 [[RED]], i32* %{{.+}},
363 // CHECK-NEXT: call void @__kmpc_end_reduce_nowait(
364   }
365 }
366 
367 template <class T, unsigned K> T tfoo(T a) { return a + K; }
368 
369 template <typename T, unsigned N>
370 int templ1(T a, T *z) {
371   #pragma omp parallel for simd collapse(N)
372   for (int i = 0; i < N * 2; i++) {
373     for (long long j = 0; j < (N + N + N + N); j += 2) {
374       z[i + j] = a + tfoo<T, N>(i + j);
375     }
376   }
377   return 0;
378 }
379 
380 // Instatiation templ1<float,2>
381 // CHECK-LABEL: define {{.*i32}} @{{.*}}templ1{{.*}}(float {{.+}}, float* {{.+}})
382 // CHECK: call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
383 void inst_templ1() {
384   float a;
385   float z[100];
386   templ1<float,2> (a, z);
387 }
388 
389 
390 typedef int MyIdx;
391 
392 class IterDouble {
393   double *Ptr;
394 public:
395   IterDouble operator++ () const {
396     IterDouble n;
397     n.Ptr = Ptr + 1;
398     return n;
399   }
400   bool operator < (const IterDouble &that) const {
401     return Ptr < that.Ptr;
402   }
403   double & operator *() const {
404     return *Ptr;
405   }
406   MyIdx operator - (const IterDouble &that) const {
407     return (MyIdx) (Ptr - that.Ptr);
408   }
409   IterDouble operator + (int Delta) {
410     IterDouble re;
411     re.Ptr = Ptr + Delta;
412     return re;
413   }
414 
415   ///~IterDouble() {}
416 };
417 
418 // CHECK-LABEL: define {{.*void}} @{{.*}}iter_simple{{.*}}
419 void iter_simple(IterDouble ia, IterDouble ib, IterDouble ic) {
420 //
421 // Calculate number of iterations before the loop body.
422 // CHECK: [[DIFF1:%.+]] = invoke {{.*}}i32 @{{.*}}IterDouble{{.*}}
423 // CHECK: [[DIFF2:%.+]] = sub nsw i32 [[DIFF1]], 1
424 // CHECK-NEXT: [[DIFF3:%.+]] = add nsw i32 [[DIFF2]], 1
425 // CHECK-NEXT: [[DIFF4:%.+]] = sdiv i32 [[DIFF3]], 1
426 // CHECK-NEXT: [[DIFF5:%.+]] = sub nsw i32 [[DIFF4]], 1
427 // CHECK-NEXT: store i32 [[DIFF5]], i32* [[OMP_LAST_IT:%[^,]+]]{{.+}}
428   #pragma omp parallel for simd
429 
430 // CHECK: call void @__kmpc_for_static_init_4(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
431 // CHECK-DAG: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
432 // CHECK-DAG: [[OMP_LAST_IT_VAL:%.+]] = load i32, i32* [[OMP_LAST_IT]],
433 // CHECK: [[CMP:%.+]] = icmp sgt i32 [[UB_VAL]], [[OMP_LAST_IT_VAL]]
434 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
435 // CHECK: [[TRUE]]:
436 // CHECK: [[OMP_LAST_IT_VAL:%.+]] = load i32, i32* [[OMP_LAST_IT]],
437 // CHECK: br label %[[SWITCH:[^,]+]]
438 // CHECK: [[FALSE]]:
439 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
440 // CHECK: br label %[[SWITCH]]
441 // CHECK: [[SWITCH]]:
442 // CHECK: [[UP:%.+]] = phi i32 [ [[OMP_LAST_IT_VAL]], %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
443 // CHECK: store i32 [[UP]], i32* [[UB]],
444 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
445 // CHECK: store i32 [[LB_VAL]], i32* [[IT_OMP_IV:%[^,]+]],
446 
447 // CHECK: [[IV:%.+]] = load i32, i32* [[IT_OMP_IV]]
448 // CHECK-NEXT: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
449 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i32 [[IV]], [[UB_VAL]]
450 // CHECK-NEXT: br i1 [[CMP]], label %[[IT_BODY:[^,]+]], label %[[IT_END:[^,]+]]
451   for (IterDouble i = ia; i < ib; ++i) {
452 // CHECK: [[IT_BODY]]:
453 // Start of body: calculate i from index:
454 // CHECK: [[IV1:%.+]] = load i32, i32* [[IT_OMP_IV]]
455 // Call of operator+ (i, IV).
456 // CHECK: {{%.+}} = invoke {{.+}} @{{.*}}IterDouble{{.*}}
457 // ... loop body ...
458    *i = *ic * 0.5;
459 // Float multiply and save result.
460 // CHECK: [[MULR:%.+]] = fmul double {{%.+}}, 5.000000e-01
461 // CHECK-NEXT: invoke {{.+}} @{{.*}}IterDouble{{.*}}
462 // CHECK: store double [[MULR:%.+]], double* [[RESULT_ADDR:%.+]]
463    ++ic;
464 //
465 // CHECK: [[IV2:%.+]] = load i32, i32* [[IT_OMP_IV]]
466 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i32 [[IV2]], 1
467 // CHECK-NEXT: store i32 [[ADD2]], i32* [[IT_OMP_IV]]
468 // br label %{{.*}}, !llvm.loop ![[ITER_LOOP_ID]]
469   }
470 // CHECK: [[IT_END]]:
471 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
472 // CHECK: ret void
473 }
474 
475 
476 // CHECK-LABEL: define {{.*void}} @{{.*}}collapsed{{.*}}
477 void collapsed(float *a, float *b, float *c, float *d) {
478   int i; // outer loop counter
479   unsigned j; // middle loop couter, leads to unsigned icmp in loop header.
480   // k declared in the loop init below
481   short l; // inner loop counter
482 // CHECK: call void @__kmpc_for_static_init_4u(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i32* [[LB:%[^,]+]], i32* [[UB:%[^,]+]], i32* [[STRIDE:%[^,]+]], i32 1, i32 1)
483 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
484 // CHECK: [[CMP:%.+]] = icmp ugt i32 [[UB_VAL]], 119
485 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
486 // CHECK: [[TRUE]]:
487 // CHECK: br label %[[SWITCH:[^,]+]]
488 // CHECK: [[FALSE]]:
489 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]],
490 // CHECK: br label %[[SWITCH]]
491 // CHECK: [[SWITCH]]:
492 // CHECK: [[UP:%.+]] = phi i32 [ 119, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
493 // CHECK: store i32 [[UP]], i32* [[UB]],
494 // CHECK: [[LB_VAL:%.+]] = load i32, i32* [[LB]],
495 // CHECK: store i32 [[LB_VAL]], i32* [[OMP_IV:%[^,]+]],
496 //
497   #pragma omp parallel for simd collapse(4)
498 
499 // CHECK: [[IV:%.+]] = load i32, i32* [[OMP_IV]]
500 // CHECK: [[UB_VAL:%.+]] = load i32, i32* [[UB]]
501 // CHECK-NEXT: [[CMP:%.+]] = icmp ule i32 [[IV]], [[UB_VAL]]
502 // CHECK-NEXT: br i1 [[CMP]], label %[[COLL1_BODY:[^,]+]], label %[[COLL1_END:[^,]+]]
503   for (i = 1; i < 3; i++) // 2 iterations
504     for (j = 2u; j < 5u; j++) //3 iterations
505       for (int k = 3; k <= 6; k++) // 4 iterations
506         for (l = 4; l < 9; ++l) // 5 iterations
507         {
508 // CHECK: [[COLL1_BODY]]:
509 // Start of body: calculate i from index:
510 // CHECK: [[IV1:%.+]] = load i32, i32* [[OMP_IV]]
511 // Calculation of the loop counters values.
512 // CHECK: [[CALC_I_1:%.+]] = udiv i32 [[IV1]], 60
513 // CHECK-NEXT: [[CALC_I_1_MUL1:%.+]] = mul i32 [[CALC_I_1]], 1
514 // CHECK-NEXT: [[CALC_I_2:%.+]] = add i32 1, [[CALC_I_1_MUL1]]
515 // CHECK-NEXT: store i32 [[CALC_I_2]], i32* [[LC_I:.+]]
516 // CHECK: [[IV1_2:%.+]] = load i32, i32* [[OMP_IV]]
517 // CHECK-NEXT: [[CALC_J_1:%.+]] = udiv i32 [[IV1_2]], 20
518 // CHECK-NEXT: [[CALC_J_2:%.+]] = urem i32 [[CALC_J_1]], 3
519 // CHECK-NEXT: [[CALC_J_2_MUL1:%.+]] = mul i32 [[CALC_J_2]], 1
520 // CHECK-NEXT: [[CALC_J_3:%.+]] = add i32 2, [[CALC_J_2_MUL1]]
521 // CHECK-NEXT: store i32 [[CALC_J_3]], i32* [[LC_J:.+]]
522 // CHECK: [[IV1_3:%.+]] = load i32, i32* [[OMP_IV]]
523 // CHECK-NEXT: [[CALC_K_1:%.+]] = udiv i32 [[IV1_3]], 5
524 // CHECK-NEXT: [[CALC_K_2:%.+]] = urem i32 [[CALC_K_1]], 4
525 // CHECK-NEXT: [[CALC_K_2_MUL1:%.+]] = mul i32 [[CALC_K_2]], 1
526 // CHECK-NEXT: [[CALC_K_3:%.+]] = add i32 3, [[CALC_K_2_MUL1]]
527 // CHECK-NEXT: store i32 [[CALC_K_3]], i32* [[LC_K:.+]]
528 // CHECK: [[IV1_4:%.+]] = load i32, i32* [[OMP_IV]]
529 // CHECK-NEXT: [[CALC_L_1:%.+]] = urem i32 [[IV1_4]], 5
530 // CHECK-NEXT: [[CALC_L_1_MUL1:%.+]] = mul i32 [[CALC_L_1]], 1
531 // CHECK-NEXT: [[CALC_L_2:%.+]] = add i32 4, [[CALC_L_1_MUL1]]
532 // CHECK-NEXT: [[CALC_L_3:%.+]] = trunc i32 [[CALC_L_2]] to i16
533 // CHECK-NEXT: store i16 [[CALC_L_3]], i16* [[LC_L:.+]]
534 // ... loop body ...
535 // End of body: store into a[i]:
536 // CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]
537     float res = b[j] * c[k];
538     a[i] = res * d[l];
539 // CHECK: [[IV2:%.+]] = load i32, i32* [[OMP_IV]]
540 // CHECK-NEXT: [[ADD2:%.+]] = add i32 [[IV2]], 1
541 // CHECK-NEXT: store i32 [[ADD2]], i32* [[OMP_IV]]
542 // br label %{{[^,]+}}, !llvm.loop ![[COLL1_LOOP_ID]]
543 // CHECK: [[COLL1_END]]:
544   }
545 // i,j,l are updated; k is not updated.
546 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
547 // CHECK: store i32 3, i32* [[I:%[^,]+]]
548 // CHECK: store i32 5, i32* [[I:%[^,]+]]
549 // CHECK: store i16 9, i16* [[I:%[^,]+]]
550 // CHECK: ret void
551 }
552 
553 extern char foo();
554 extern double globalfloat;
555 
556 // CHECK-LABEL: define {{.*void}} @{{.*}}widened{{.*}}
557 void widened(float *a, float *b, float *c, float *d) {
558   int i; // outer loop counter
559   short j; // inner loop counter
560   globalfloat = 1.0;
561   int localint = 1;
562 // CHECK: store double {{.+}}, double* [[GLOBALFLOAT:@.+]]
563 // Counter is widened to 64 bits.
564 // CHECK:     [[MUL:%.+]] = mul nsw i64 2, %{{.+}}
565 // CHECK-NEXT: [[SUB:%.+]] = sub nsw i64 [[MUL]], 1
566 // CHECK-NEXT: store i64 [[SUB]], i64* [[OMP_LAST_IT:%[^,]+]],
567 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
568 // CHECK-DAG: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
569 // CHECK-DAG: [[OMP_LAST_IT_VAL:%.+]] = load i64, i64* [[OMP_LAST_IT]],
570 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], [[OMP_LAST_IT_VAL]]
571 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
572 // CHECK: [[TRUE]]:
573 // CHECK: [[OMP_LAST_IT_VAL:%.+]] = load i64, i64* [[OMP_LAST_IT]],
574 // CHECK: br label %[[SWITCH:[^,]+]]
575 // CHECK: [[FALSE]]:
576 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
577 // CHECK: br label %[[SWITCH]]
578 // CHECK: [[SWITCH]]:
579 // CHECK: [[UP:%.+]] = phi i64 [ [[OMP_LAST_IT_VAL]], %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
580 // CHECK: store i64 [[UP]], i64* [[UB]],
581 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
582 // CHECK: store i64 [[LB_VAL]], i64* [[OMP_IV:%[^,]+]],
583 //
584   #pragma omp parallel for simd collapse(2) private(globalfloat, localint)
585 
586 // CHECK: [[IV:%.+]] = load i64, i64* [[OMP_IV]]
587 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
588 // CHECK-NEXT: [[CMP:%.+]] = icmp sle i64 [[IV]], [[UB_VAL]]
589 // CHECK-NEXT: br i1 [[CMP]], label %[[WIDE1_BODY:[^,]+]], label %[[WIDE1_END:[^,]+]]
590   for (i = 1; i < 3; i++) // 2 iterations
591     for (j = 0; j < foo(); j++) // foo() iterations
592   {
593 // CHECK: [[WIDE1_BODY]]:
594 // Start of body: calculate i from index:
595 // CHECK: [[IV1:%.+]] = load i64, i64* [[OMP_IV]]
596 // Calculation of the loop counters values...
597 // CHECK: store i32 {{[^,]+}}, i32* [[LC_I:.+]]
598 // CHECK: [[IV1_2:%.+]] = load i64, i64* [[OMP_IV]]
599 // CHECK: store i16 {{[^,]+}}, i16* [[LC_J:.+]]
600 // ... loop body ...
601 //
602 // Here we expect store into private double var, not global
603 // CHECK-NOT: store double {{.+}}, double* [[GLOBALFLOAT]]
604     globalfloat = (float)j/i;
605     float res = b[j] * c[j];
606 // Store into a[i]:
607 // CHECK: store float [[RESULT:%.+]], float* [[RESULT_ADDR:%.+]]
608     a[i] = res * d[i];
609 // Then there's a store into private var localint:
610 // CHECK: store i32 {{.+}}, i32* [[LOCALINT:%[^,]+]]
611     localint = (int)j;
612 // CHECK: [[IV2:%.+]] = load i64, i64* [[OMP_IV]]
613 // CHECK-NEXT: [[ADD2:%.+]] = add nsw i64 [[IV2]], 1
614 // CHECK-NEXT: store i64 [[ADD2]], i64* [[OMP_IV]]
615 //
616 // br label %{{[^,]+}}, !llvm.loop ![[WIDE1_LOOP_ID]]
617 // CHECK: [[WIDE1_END]]:
618   }
619 // i,j are updated.
620 // CHECK: store i32 3, i32* [[I:%[^,]+]]
621 // CHECK: store i16
622 //
623 // Here we expect store into original localint, not its privatized version.
624 // CHECK-NOT: store i32 {{.+}}, i32* [[LOCALINT]]
625   localint = (int)j;
626 // CHECK: ret void
627 }
628 
629 // CHECK: call void @__kmpc_for_static_init_8(%ident_t* {{[^,]+}}, i32 %{{[^,]+}}, i32 34, i32* %{{[^,]+}}, i64* [[LB:%[^,]+]], i64* [[UB:%[^,]+]], i64* [[STRIDE:%[^,]+]], i64 1, i64 1)
630 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
631 // CHECK: [[CMP:%.+]] = icmp sgt i64 [[UB_VAL]], 15
632 // CHECK: br i1 [[CMP]], label %[[TRUE:.+]], label %[[FALSE:[^,]+]]
633 // CHECK: [[TRUE]]:
634 // CHECK: br label %[[SWITCH:[^,]+]]
635 // CHECK: [[FALSE]]:
636 // CHECK: [[UB_VAL:%.+]] = load i64, i64* [[UB]],
637 // CHECK: br label %[[SWITCH]]
638 // CHECK: [[SWITCH]]:
639 // CHECK: [[UP:%.+]] = phi i64 [ 15, %[[TRUE]] ], [ [[UB_VAL]], %[[FALSE]] ]
640 // CHECK: store i64 [[UP]], i64* [[UB]],
641 // CHECK: [[LB_VAL:%.+]] = load i64, i64* [[LB]],
642 // CHECK: store i64 [[LB_VAL]], i64* [[T1_OMP_IV:%[^,]+]],
643 
644 // ...
645 // CHECK: [[IV:%.+]] = load i64, i64* [[T1_OMP_IV]]
646 // CHECK-NEXT: [[UB_VAL:%.+]] = load i64, i64* [[UB]]
647 // CHECK-NEXT: [[CMP1:%.+]] = icmp sle i64 [[IV]], [[UB_VAL]]
648 // CHECK-NEXT: br i1 [[CMP1]], label %[[T1_BODY:.+]], label %[[T1_END:[^,]+]]
649 // CHECK: [[T1_BODY]]:
650 // Loop counters i and j updates:
651 // CHECK: [[IV1:%.+]] = load i64, i64* [[T1_OMP_IV]]
652 // CHECK-NEXT: [[I_1:%.+]] = sdiv i64 [[IV1]], 4
653 // CHECK-NEXT: [[I_1_MUL1:%.+]] = mul nsw i64 [[I_1]], 1
654 // CHECK-NEXT: [[I_1_ADD0:%.+]] = add nsw i64 0, [[I_1_MUL1]]
655 // CHECK-NEXT: [[I_2:%.+]] = trunc i64 [[I_1_ADD0]] to i32
656 // CHECK-NEXT: store i32 [[I_2]], i32*
657 // CHECK: [[IV2:%.+]] = load i64, i64* [[T1_OMP_IV]]
658 // CHECK-NEXT: [[J_1:%.+]] = srem i64 [[IV2]], 4
659 // CHECK-NEXT: [[J_2:%.+]] = mul nsw i64 [[J_1]], 2
660 // CHECK-NEXT: [[J_2_ADD0:%.+]] = add nsw i64 0, [[J_2]]
661 // CHECK-NEXT: store i64 [[J_2_ADD0]], i64*
662 // simd.for.inc:
663 // CHECK: [[IV3:%.+]] = load i64, i64* [[T1_OMP_IV]]
664 // CHECK-NEXT: [[INC:%.+]] = add nsw i64 [[IV3]], 1
665 // CHECK-NEXT: store i64 [[INC]], i64*
666 // CHECK-NEXT: br label {{%.+}}
667 // CHECK: [[T1_END]]:
668 // CHECK: call void @__kmpc_for_static_fini(%ident_t* {{.+}}, i32 %{{.+}})
669 // CHECK: ret void
670 //
671 // TERM_DEBUG-LABEL: bar
672 int bar() {return 0;};
673 
674 // TERM_DEBUG-LABEL: parallel_simd
675 void parallel_simd(float *a) {
676 #pragma omp parallel for simd
677   // TERM_DEBUG-NOT: __kmpc_global_thread_num
678   // TERM_DEBUG:     invoke i32 {{.*}}bar{{.*}}()
679   // TERM_DEBUG:     unwind label %[[TERM_LPAD:.+]],
680   // TERM_DEBUG-NOT: __kmpc_global_thread_num
681   // TERM_DEBUG:     [[TERM_LPAD]]
682   // TERM_DEBUG:     call void @__clang_call_terminate
683   // TERM_DEBUG:     unreachable
684   for (unsigned i = 131071; i <= 2147483647; i += 127)
685     a[i] += bar();
686 }
687 // TERM_DEBUG: !{{[0-9]+}} = !DILocation(line: [[@LINE-11]],
688 // TERM_DEBUG-NOT: line: 0,
689 #endif // HEADER
690 
691