clang/test/OpenMP/task_firstprivate_codegen.cpp

   1 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
   2 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
   3 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify -Wno-vla %s -emit-llvm -o - | FileCheck %s
   4 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
   5 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
   6 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=ARRAY %s
   7
   8 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
   9 // RUN: %clang_cc1 -fopenmp-simd -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
  10 // RUN: %clang_cc1 -fopenmp-simd -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify -Wno-vla %s -emit-llvm -o - | FileCheck --check-prefix SIMD-ONLY0 %s
  11 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
  12 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
  13 // RUN: %clang_cc1 -verify -Wno-vla -fopenmp-simd -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck --check-prefix SIMD-ONLY0 %s
  14 // SIMD-ONLY0-NOT: {{__kmpc|__tgt}}
  15 // expected-no-diagnostics
  16 #ifndef ARRAY
  17 #ifndef HEADER
  18 #define HEADER
  19
  20 template <class T>
  21 struct S {
  22   T f;
  23   S(T a) : f(a) {}
  24   S() : f() {}
  25   S(const S &s, T t = T()) : f(s.f + t) {}
  26   operator T() { return T(); }
  27   ~S() {}
  28 };
  29
  30 volatile double g;
  31
  32 // CHECK-DAG: [[KMP_TASK_T_TY:%.+]] = type { ptr, ptr, i32, %union{{.+}}, %union{{.+}} }
  33 // CHECK-DAG: [[S_DOUBLE_TY:%.+]] = type { double }
  34 // CHECK-DAG: [[PRIVATES_MAIN_TY:%.+]] = type {{.?}}{ [2 x [[S_DOUBLE_TY]]], [[S_DOUBLE_TY]], i32, [2 x i32]
  35 // CHECK-DAG: [[CAP_MAIN_TY:%.+]] = type { i8 }
  36 // CHECK-DAG: [[KMP_TASK_MAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [[PRIVATES_MAIN_TY]] }
  37 // CHECK-DAG: [[S_INT_TY:%.+]] = type { i32 }
  38 // CHECK-DAG: [[CAP_TMAIN_TY:%.+]] = type { i8 }
  39 // CHECK-DAG: [[PRIVATES_TMAIN_TY:%.+]] = type { i32, [2 x i32], [2 x [[S_INT_TY]]], [[S_INT_TY]], [104 x i8] }
  40 // CHECK-DAG: [[KMP_TASK_TMAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [{{[0-9]+}} x i8], [[PRIVATES_TMAIN_TY]] }
  41 template <typename T>
  42 T tmain() {
  43   S<T> ttt;
  44   S<T> test(ttt);
  45   T t_var __attribute__((aligned(128))) = T();
  46   T vec[] = {1, 2};
  47   S<T> s_arr[] = {1, 2};
  48   S<T> var(3);
  49 #pragma omp task firstprivate(t_var, vec, s_arr, s_arr, var, var)
  50   {
  51     vec[0] = t_var;
  52     s_arr[0] = var;
  53   }
  54   return T();
  55 }
  56
  57 int main() {
  58   static int sivar;
  59   float local = 0;
  60 #ifdef LAMBDA
  61   // LAMBDA: [[G:@.+]] ={{.*}} global double
  62   // LAMBDA: [[SIVAR:@.+]] = internal global i{{[0-9]+}} 0,
  63   // LAMBDA-LABEL: @main
  64   // LAMBDA: call{{( x86_thiscallcc)?}} void [[OUTER_LAMBDA:@.+]](
  65   [&]() {
  66   // LAMBDA: define{{.*}} internal{{.*}} void [[OUTER_LAMBDA]](
  67   // LAMBDA: [[RES:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 56, i64 1, ptr [[TASK_ENTRY:@.+]])
  68 // LAMBDA: [[PRIVATES:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr %{{.+}}, i{{.+}} 0, i{{.+}} 1
  69 // LAMBDA: [[G_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
  70 // LAMBDA: [[G_VAL:%.+]] = load volatile double, ptr [[G]],
  71 // LAMBDA: store volatile double [[G_VAL]], ptr [[G_PRIVATE_ADDR]]
  72
  73 // LAMBDA: [[SIVAR_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
  74 // LAMBDA: [[SIVAR_VAL:%.+]] = load i{{[0-9]+}}, ptr [[SIVAR]],
  75 // LAMBDA: store i{{[0-9]+}} [[SIVAR_VAL]], ptr [[SIVAR_PRIVATE_ADDR]]
  76
  77 // LAMBDA: [[LOCAL_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
  78 // LAMBDA: store float %{{.+}}, ptr [[LOCAL_PRIVATE_ADDR]]
  79
  80 // LAMBDA: call i32 @__kmpc_omp_task(ptr @{{.+}}, i32 %{{.+}}, ptr [[RES]])
  81 // LAMBDA: ret
  82 #pragma omp task firstprivate(g, sivar, local)
  83   {
  84     // LAMBDA: define {{.+}} void [[INNER_LAMBDA:@.+]]({{.+}} [[ARG_PTR:%.+]])
  85     // LAMBDA: store ptr [[ARG_PTR]], ptr [[ARG_PTR_REF:%.+]],
  86     // LAMBDA: [[ARG_PTR:%.+]] = load ptr, ptr [[ARG_PTR_REF]]
  87     // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
  88     // LAMBDA: [[G_REF:%.+]] = load ptr, ptr [[G_PTR_REF]]
  89     // LAMBDA: store volatile double 2.0{{.+}}, ptr [[G_REF]]
  90
  91     // LAMBDA: store ptr %{{.+}}, ptr %{{.+}},
  92     // LAMBDA: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
  93     g = 1;
  94     sivar = 11;
  95     // LAMBDA: store double 1.0{{.+}}, ptr %{{.+}},
  96     // LAMBDA: store i{{[0-9]+}} 11, ptr %{{.+}},
  97     // LAMBDA: call void [[INNER_LAMBDA]]({{.+}}
  98     // LAMBDA: ret
  99     [&]() {
 100       g = 2;
 101       sivar = 22;
 102     }();
 103   }
 104   }();
 105   return 0;
 106 #elif defined(BLOCKS)
 107   // BLOCKS: [[G:@.+]] ={{.*}} global double
 108   // BLOCKS: [[SIVAR:@.+]] = internal global i{{[0-9]+}} 0,
 109   // BLOCKS-LABEL: @main
 110   // BLOCKS: call void {{%.+}}(ptr
 111   ^{
 112   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(ptr
 113   // BLOCKS: [[RES:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 56, i64 1, ptr [[TASK_ENTRY:@[^ ]+]])
 114   // BLOCKS: [[PRIVATES:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr %{{.+}}, i{{.+}} 0, i{{.+}} 1
 115   // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
 116   // BLOCKS: [[G_VAL:%.+]] = load volatile double, ptr [[G]],
 117   // BLOCKS: store volatile double [[G_VAL]], ptr [[G_PRIVATE_ADDR]]
 118
 119   // BLOCKS: [[SIVAR_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 120   // BLOCKS: [[SIVAR_VAL:%.+]] = load i{{[0-9]+}}, ptr [[SIVAR]],
 121   // BLOCKS: store i{{[0-9]+}} [[SIVAR_VAL]], ptr [[SIVAR_PRIVATE_ADDR]],
 122
 123   // BLOCKS: [[LOCAL_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 124   // BLOCKS: store float %{{.+}}, ptr [[LOCAL_PRIVATE_ADDR]]
 125
 126   // BLOCKS: call i32 @__kmpc_omp_task(ptr @{{.+}}, i32 %{{.+}}, ptr [[RES]])
 127   // BLOCKS: ret
 128 #pragma omp task firstprivate(g, sivar, local)
 129   {
 130     // BLOCKS: define {{.+}} void {{@.+}}(ptr
 131     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
 132     // BLOCKS: store volatile double 2.0{{.+}}, ptr
 133     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
 134     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
 135     // BLOCKS: store i{{[0-9]+}} 22, ptr
 136     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
 137     // BLOCKS: ret
 138
 139     // BLOCKS: store ptr %{{.+}}, ptr %{{.+}},
 140     // BLOCKS: store ptr %{{.+}}, ptr %{{.+}},
 141     // BLOCKS: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
 142     g = 1;
 143     sivar = 11;
 144     // BLOCKS: store double 1.0{{.+}}, ptr %{{.+}},
 145     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
 146     // BLOCKS: store i{{[0-9]+}} 11, ptr %{{.+}},
 147     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
 148     // BLOCKS: call void {{%.+}}(ptr
 149     ^{
 150       g = 2;
 151       sivar = 22;
 152     }();
 153   }
 154   }();
 155   return 0;
 156 #else
 157   S<double> ttt;
 158   S<double> test(ttt);
 159   int t_var = 0;
 160   int vec[] = {1, 2};
 161   S<double> s_arr[] = {1, 2};
 162   S<double> var(3);
 163 #pragma omp task firstprivate(t_var, s_arr, vec, sivar)
 164   {
 165     var.f = 1;
 166     vec[0] = t_var;
 167     s_arr[0] = S<double>(3);
 168     sivar = 33;
 169   }
 170   return tmain<int>();
 171 #endif
 172 }
 173
 174 // CHECK: [[SIVAR_ADDR:.+]] = internal global i{{[0-9]+}} 0,
 175 // CHECK: define{{.*}} i{{[0-9]+}} @main()
 176 // CHECK: alloca [[S_DOUBLE_TY]],
 177 // CHECK: [[TEST:%.+]] = alloca [[S_DOUBLE_TY]],
 178 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
 179 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
 180 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_DOUBLE_TY]]],
 181 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_DOUBLE_TY]],
 182 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr [[LOC:@.+]])
 183
 184 // CHECK: call {{.*}} [[S_DOUBLE_TY_COPY_CONSTR:@.+]](ptr {{[^,]*}} [[TEST]],
 185
 186 // Allocate task.
 187 // Returns struct kmp_task_t {
 188 //         [[KMP_TASK_T]] task_data;
 189 //         [[KMP_TASK_MAIN_TY]] privates;
 190 //       };
 191 // CHECK: [[RES:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr [[LOC]], i32 [[GTID]], i32 9, i64 80, i64 1, ptr [[TASK_ENTRY:@[^ ]+]])
 192 // CHECK: [[TASK:%.+]] = getelementptr inbounds nuw [[KMP_TASK_MAIN_TY]], ptr [[RES]], i{{.+}} 0, i{{.+}} 0
 193
 194 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
 195 // Also copy address of private copy to the corresponding shareds reference.
 196 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_MAIN_TY]], ptr [[RES]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
 197
 198 // Constructors for s_arr and var.
 199 // s_arr;
 200 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
 201 // CHECK: call void [[S_DOUBLE_TY_COPY_CONSTR]](ptr {{[^,]*}} [[S_ARR_CUR:%[^,]+]],
 202 // CHECK: getelementptr [[S_DOUBLE_TY]], ptr [[S_ARR_CUR]], i{{.+}} 1
 203 // CHECK: getelementptr [[S_DOUBLE_TY]], ptr %{{.+}}, i{{.+}} 1
 204 // CHECK: icmp eq
 205 // CHECK: br i1
 206
 207 // var;
 208 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 209 // CHECK-NEXT: call void [[S_DOUBLE_TY_COPY_CONSTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]], ptr {{.*}}[[VAR_ADDR]],
 210
 211 // t_var;
 212 // CHECK: [[PRIVATE_T_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 213 // CHECK-NEXT: [[T_VAR:%.+]] = load i32, ptr [[T_VAR_ADDR]],
 214 // CHECK-NEXT: store i32 [[T_VAR]], ptr [[PRIVATE_T_VAR_REF]],
 215
 216 // vec;
 217 // CHECK: [[PRIVATE_VEC_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 218 // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(
 219
 220 // sivar;
 221 // CHECK: [[PRIVATE_SIVAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 4
 222 // CHECK-NEXT: [[SIVAR:%.+]] = load i32, ptr [[SIVAR_ADDR]],
 223 // CHECK-NEXT: store i32 [[SIVAR]], ptr [[PRIVATE_SIVAR_REF]],
 224
 225 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
 226 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds nuw [[KMP_TASK_T_TY]], ptr [[TASK]], i{{.+}} 0, i{{.+}} 3
 227 // CHECK: store ptr [[DESTRUCTORS:@.+]], ptr [[DESTRUCTORS_REF]],
 228
 229 // Start task.
 230 // CHECK: call i32 @__kmpc_omp_task(ptr [[LOC]], i32 [[GTID]], ptr [[RES]])
 231
 232 // CHECK: = call noundef i{{.+}} [[TMAIN_INT:@.+]]()
 233
 234 // No destructors must be called for private copies of s_arr and var.
 235 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 236 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 237 // CHECK: call void [[S_DOUBLE_TY_DESTR:@.+]](ptr
 238 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 239 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 240 // CHECK: ret
 241 //
 242
 243 // CHECK: define internal void [[PRIVATES_MAP_FN:@.+]](ptr noalias noundef %0, ptr noalias noundef %1, ptr noalias noundef %2, ptr noalias noundef %3, ptr noalias noundef %4, ptr noalias noundef %5)
 244 // CHECK: [[PRIVATES:%.+]] = load ptr, ptr
 245 // CHECK: [[PRIV_S_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 0
 246 // CHECK: [[ARG3:%.+]] = load ptr, ptr %{{.+}},
 247 // CHECK: store ptr [[PRIV_S_VAR]], ptr [[ARG3]],
 248 // CHECK: [[PRIV_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 1
 249 // CHECK: [[ARG1:%.+]] = load ptr, ptr {{.+}},
 250 // CHECK: store ptr [[PRIV_VAR]], ptr [[ARG1]],
 251 // CHECK: [[PRIV_T_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 2
 252 // CHECK: [[ARG2:%.+]] = load ptr, ptr %{{.+}},
 253 // CHECK: store ptr [[PRIV_T_VAR]], ptr [[ARG2]],
 254 // CHECK: [[PRIV_VEC:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 3
 255 // CHECK: [[ARG4:%.+]] = load ptr, ptr %{{.+}},
 256 // CHECK: store ptr [[PRIV_VEC]], ptr [[ARG4]],
 257 // CHECK: [[PRIV_SIVAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 4
 258 // CHECK: [[ARG5:%.+]] = load ptr, ptr %{{.+}},
 259 // CHECK: store ptr [[PRIV_SIVAR]], ptr [[ARG5]],
 260 // CHECK: ret void
 261
 262 // CHECK: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
 263
 264 // CHECK: %__context
 265 // CHECK: [[PRIV_T_VAR_ADDR:%.+]] = alloca ptr,
 266 // CHECK: [[PRIV_S_ARR_ADDR:%.+]] = alloca ptr,
 267 // CHECK: [[PRIV_VEC_ADDR:%.+]] = alloca ptr,
 268 // CHECK: [[PRIV_SIVAR_ADDR:%.+]] = alloca ptr,
 269 // CHECK: [[PRIV_VAR_ADDR:%.+]] = alloca ptr,
 270 // CHECK: store ptr [[PRIVATES_MAP_FN]], ptr [[MAP_FN_ADDR:%.+]],
 271 // CHECK: [[MAP_FN:%.+]] = load ptr, ptr [[MAP_FN_ADDR]],
 272
 273 // CHECK: call void [[MAP_FN]](ptr %{{.+}}, ptr [[PRIV_T_VAR_ADDR]], ptr [[PRIV_S_ARR_ADDR]], ptr [[PRIV_VEC_ADDR]], ptr [[PRIV_SIVAR_ADDR]], ptr [[PRIV_VAR_ADDR]])
 274
 275 // CHECK: [[PRIV_T_VAR:%.+]] = load ptr, ptr [[PRIV_T_VAR_ADDR]],
 276 // CHECK: [[PRIV_S_ARR:%.+]] = load ptr, ptr [[PRIV_S_ARR_ADDR]],
 277 // CHECK: [[PRIV_VEC:%.+]] = load ptr, ptr [[PRIV_VEC_ADDR]],
 278 // CHECK: [[PRIV_SIVAR:%.+]] = load ptr, ptr [[PRIV_SIVAR_ADDR]],
 279 // CHECK: [[PRIV_VAR:%.+]] = load ptr, ptr [[PRIV_VAR_ADDR]],
 280
 281 // Privates actually are used.
 282 // CHECK-DAG: [[PRIV_VAR]]
 283 // CHECK-DAG: [[PRIV_T_VAR]]
 284 // CHECK-DAG: [[PRIV_S_ARR]]
 285 // CHECK-DAG: [[PRIV_VEC]]
 286 // CHECK-DAG: [[PRIV_SIVAR]]
 287
 288 // CHECK: ret
 289
 290 // CHECK: define internal noundef i32 [[DESTRUCTORS]](i32 noundef %0, ptr noalias noundef %1)
 291 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_MAIN_TY]], ptr [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
 292 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
 293 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 294 // CHECK: call void [[S_DOUBLE_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]])
 295 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], ptr [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
 296 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], ptr %{{.+}}, i{{.+}} 2
 297 // CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_DOUBLE_TY]], ptr %{{.+}}, i{{.+}} -1
 298 // CHECK: call void [[S_DOUBLE_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_S_ARR_ELEM_REF]])
 299 // CHECK: icmp eq
 300 // CHECK: br i1
 301 // CHECK: ret i32
 302
 303 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
 304 // CHECK: alloca [[S_INT_TY]],
 305 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
 306 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32, align 128
 307 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
 308 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_INT_TY]]],
 309 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_INT_TY]],
 310 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr [[LOC:@.+]])
 311
 312 // CHECK: call {{.*}} [[S_INT_TY_COPY_CONSTR:@.+]](ptr {{[^,]*}} [[TEST]],
 313
 314 // Allocate task.
 315 // Returns struct kmp_task_t {
 316 //         [[KMP_TASK_T_TY]] task_data;
 317 //         [[KMP_TASK_TMAIN_TY]] privates;
 318 //       };
 319 // CHECK: [[RES:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr [[LOC]], i32 [[GTID]], i32 9, i64 256, i64 1, ptr [[TASK_ENTRY:@[^ ]+]])
 320 // CHECK: [[TASK:%.+]] = getelementptr inbounds nuw [[KMP_TASK_TMAIN_TY]], ptr [[RES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
 321
 322 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
 323 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_TMAIN_TY]], ptr [[RES]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
 324
 325 // t_var;
 326 // CHECK: [[PRIVATE_T_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
 327 // CHECK-NEXT: [[T_VAR:%.+]] = load i32, ptr [[T_VAR_ADDR]], align 128
 328 // CHECK-NEXT: store i32 [[T_VAR]], ptr [[PRIVATE_T_VAR_REF]], align 128
 329
 330 // vec;
 331 // CHECK: [[PRIVATE_VEC_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 332 // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(
 333
 334 // Constructors for s_arr and var.
 335 // a_arr;
 336 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
 337 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], ptr [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
 338 // CHECK: getelementptr inbounds [[S_INT_TY]], ptr %{{.+}}, i{{.+}} 2
 339 // CHECK: call void [[S_INT_TY_COPY_CONSTR]](ptr {{[^,]*}} [[S_ARR_CUR:%[^,]+]],
 340 // CHECK: getelementptr [[S_INT_TY]], ptr [[S_ARR_CUR]], i{{.+}} 1
 341 // CHECK: icmp eq
 342 // CHECK: br i1
 343
 344 // var;
 345 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 346 // CHECK-NEXT: call void [[S_INT_TY_COPY_CONSTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]],
 347
 348 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
 349 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds nuw [[KMP_TASK_T_TY]], ptr [[TASK]], i{{.+}} 0, i{{.+}} 3
 350 // CHECK: store ptr [[DESTRUCTORS:@.+]], ptr [[DESTRUCTORS_REF]],
 351
 352 // Start task.
 353 // CHECK: call i32 @__kmpc_omp_task(ptr [[LOC]], i32 [[GTID]], ptr [[RES]])
 354
 355 // No destructors must be called for private copies of s_arr and var.
 356 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 357 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 358 // CHECK: call void [[S_INT_TY_DESTR:@.+]](ptr
 359 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 360 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 361 // CHECK: ret
 362 //
 363
 364 // CHECK: define internal void [[PRIVATES_MAP_FN:@.+]](ptr noalias noundef %0, ptr noalias noundef %1, ptr noalias noundef %2, ptr noalias noundef %3, ptr noalias noundef %4)
 365 // CHECK: [[PRIVATES:%.+]] = load ptr, ptr
 366 // CHECK: [[PRIV_T_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 0
 367 // CHECK: [[ARG1:%.+]] = load ptr, ptr %{{.+}},
 368 // CHECK: store ptr [[PRIV_T_VAR]], ptr [[ARG1]],
 369 // CHECK: [[PRIV_VEC:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 1
 370 // CHECK: [[ARG2:%.+]] = load ptr, ptr %{{.+}},
 371 // CHECK: store ptr [[PRIV_VEC]], ptr [[ARG2]],
 372 // CHECK: [[PRIV_S_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 2
 373 // CHECK: [[ARG3:%.+]] = load ptr, ptr %{{.+}},
 374 // CHECK: store ptr [[PRIV_S_VAR]], ptr [[ARG3]],
 375 // CHECK: [[PRIV_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 3
 376 // CHECK: [[ARG4:%.+]] = load ptr, ptr {{.+}},
 377 // CHECK: store ptr [[PRIV_VAR]], ptr [[ARG4]],
 378 // CHECK: ret void
 379
 380 // CHECK: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
 381 // CHECK: %__context
 382 // CHECK-DAG: [[PRIV_T_VAR_ADDR:%.+]] = alloca ptr,
 383 // CHECK-DAG: [[PRIV_VEC_ADDR:%.+]] = alloca ptr,
 384 // CHECK-DAG: [[PRIV_S_ARR_ADDR:%.+]] = alloca ptr,
 385 // CHECK-DAG: [[PRIV_VAR_ADDR:%.+]] = alloca ptr,
 386 // CHECK: store ptr [[PRIVATES_MAP_FN]], ptr [[MAP_FN_ADDR:%.+]],
 387 // CHECK: [[MAP_FN:%.+]] = load ptr, ptr [[MAP_FN_ADDR]],
 388 // CHECK: call void [[MAP_FN]](ptr %{{.+}}, ptr [[PRIV_T_VAR_ADDR]], ptr [[PRIV_VEC_ADDR]], ptr [[PRIV_S_ARR_ADDR]], ptr [[PRIV_VAR_ADDR]])
 389 // CHECK: [[PRIV_T_VAR:%.+]] = load ptr, ptr [[PRIV_T_VAR_ADDR]],
 390 // CHECK: [[PRIV_VEC:%.+]] = load ptr, ptr [[PRIV_VEC_ADDR]],
 391 // CHECK: [[PRIV_S_ARR:%.+]] = load ptr, ptr [[PRIV_S_ARR_ADDR]],
 392 // CHECK: [[PRIV_VAR:%.+]] = load ptr, ptr [[PRIV_VAR_ADDR]],
 393
 394 // Privates actually are used.
 395 // CHECK-DAG: [[PRIV_VAR]]
 396 // CHECK-DAG: [[PRIV_T_VAR]]
 397 // CHECK-DAG: [[PRIV_S_ARR]]
 398 // CHECK-DAG: [[PRIV_VEC]]
 399
 400 // CHECK: ret
 401
 402 // CHECK: define internal noundef i32 [[DESTRUCTORS]](i32 noundef %0, ptr noalias noundef %1)
 403 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_TMAIN_TY]], ptr [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
 404 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 405 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 406 // CHECK: call void [[S_INT_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]])
 407 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], ptr [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
 408 // CHECK: getelementptr inbounds [[S_INT_TY]], ptr %{{.+}}, i{{.+}} 2
 409 // CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_INT_TY]], ptr %{{.+}}, i{{.+}} -1
 410 // CHECK: call void [[S_INT_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_S_ARR_ELEM_REF]])
 411 // CHECK: icmp eq
 412 // CHECK: br i1
 413 // CHECK: ret i32
 414
 415 #endif
 416 #else
 417 // ARRAY-LABEL: array_func
 418 struct St {
 419   int a, b;
 420   St() : a(0), b(0) {}
 421   St(const St &) {}
 422   ~St() {}
 423 };
 424
 425 void array_func(int n, float a[n], St s[2], int(& p)[1]) {
 426 // ARRAY: call ptr @__kmpc_omp_task_alloc(
 427 // ARRAY: call i32 @__kmpc_omp_task(
 428 // ARRAY: store ptr %{{.+}}, ptr %{{.+}},
 429 // ARRAY: store ptr %{{.+}}, ptr %{{.+}},
 430 // ARRAY: store ptr %{{.+}}, ptr %{{.+}},
 431 #pragma omp task firstprivate(a, s, p)
 432   ;
 433 }
 434 #endif
 435