clang/test/OpenMP/taskloop_simd_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
  17 #ifndef ARRAY
  18 #ifndef HEADER
  19 #define HEADER
  20
  21 template <class T>
  22 struct S {
  23   T f;
  24   S(T a) : f(a) {}
  25   S() : f() {}
  26   S(const S &s, T t = T()) : f(s.f + t) {}
  27   operator T() { return T(); }
  28   ~S() {}
  29 };
  30
  31 volatile double g;
  32
  33 // CHECK-DAG: [[KMP_TASK_T_TY:%.+]] = type { ptr, ptr, i32, %union{{.+}}, %union{{.+}}, i64, i64, i64, i32, ptr }
  34 // CHECK-DAG: [[S_DOUBLE_TY:%.+]] = type { double }
  35 // CHECK-DAG: [[PRIVATES_MAIN_TY:%.+]] = type {{.?}}{ [2 x [[S_DOUBLE_TY]]], [[S_DOUBLE_TY]], i32, [2 x i32]
  36 // CHECK-DAG: [[CAP_MAIN_TY:%.+]] = type { ptr, ptr }
  37 // CHECK-DAG: [[KMP_TASK_MAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [[PRIVATES_MAIN_TY]] }
  38 // CHECK-DAG: [[S_INT_TY:%.+]] = type { i32 }
  39 // CHECK-DAG: [[CAP_TMAIN_TY:%.+]] = type { ptr, ptr }
  40 // CHECK-DAG: [[PRIVATES_TMAIN_TY:%.+]] = type { i32, [2 x i32], [2 x [[S_INT_TY]]], [[S_INT_TY]], [104 x i8] }
  41 // CHECK-DAG: [[KMP_TASK_TMAIN_TY:%.+]] = type { [[KMP_TASK_T_TY]], [{{[0-9]+}} x i8], [[PRIVATES_TMAIN_TY]] }
  42 template <typename T>
  43 T tmain() {
  44   S<T> ttt;
  45   S<T> test(ttt);
  46   T t_var __attribute__((aligned(128))) = T();
  47   T vec[] = {1, 2};
  48   S<T> s_arr[] = {1, 2};
  49   S<T> var(3);
  50 #pragma omp taskloop simd firstprivate(t_var, vec, s_arr, s_arr, var, var)
  51   for (int i = 0; i < 10; ++i) {
  52     vec[0] = t_var;
  53     s_arr[0] = var;
  54   }
  55   return T();
  56 }
  57
  58 int main() {
  59   static int sivar;
  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 96, 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 @{{.+}},
  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 @{{.+}},
  75 // LAMBDA: store i{{[0-9]+}} [[SIVAR_VAL]], ptr [[SIVAR_PRIVATE_ADDR]]
  76
  77 // LAMBDA: call void @__kmpc_taskloop(ptr @{{.+}}, i32 %{{.+}}, ptr [[RES]], i32 1, ptr %{{.+}}, ptr %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, ptr null)
  78 // LAMBDA: ret
  79 #pragma omp taskloop simd firstprivate(g, sivar)
  80   for (int i = 0; i < 10; ++i) {
  81     // LAMBDA: define {{.+}} void [[INNER_LAMBDA:@.+]]({{.+}} [[ARG_PTR:%.+]])
  82     // LAMBDA: store ptr [[ARG_PTR]], ptr [[ARG_PTR_REF:%.+]],
  83     // LAMBDA: [[ARG_PTR:%.+]] = load ptr, ptr [[ARG_PTR_REF]]
  84     // LAMBDA: [[G_PTR_REF:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[ARG_PTR]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
  85     // LAMBDA: [[G_REF:%.+]] = load ptr, ptr [[G_PTR_REF]]
  86     // LAMBDA: store volatile double 2.0{{.+}}, ptr [[G_REF]]
  87
  88     // LAMBDA: store ptr %{{.+}}, ptr %{{.+}},
  89     // LAMBDA: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
  90     g = 1;
  91     sivar = 11;
  92     // LAMBDA: store double 1.0{{.+}}, ptr %{{.+}},
  93     // LAMBDA: store i{{[0-9]+}} 11, ptr %{{.+}},
  94     // LAMBDA: call void [[INNER_LAMBDA]]({{.+}}
  95     // LAMBDA: ret
  96     [&]() {
  97       g = 2;
  98       sivar = 22;
  99     }();
 100   }
 101   }();
 102   return 0;
 103 #elif defined(BLOCKS)
 104   // BLOCKS: [[G:@.+]] ={{.*}} global double
 105   // BLOCKS: [[SIVAR:@.+]] = internal global i{{[0-9]+}} 0,
 106   // BLOCKS-LABEL: @main
 107   // BLOCKS: call void {{%.+}}(ptr
 108   ^{
 109   // BLOCKS: define{{.*}} internal{{.*}} void {{.+}}(ptr
 110   // BLOCKS: [[RES:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr @{{[^,]+}}, i32 %{{[^,]+}}, i32 1, i64 96, i64 1, ptr [[TASK_ENTRY:@[^ ]+]])
 111   // BLOCKS: [[PRIVATES:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr %{{.+}}, i{{.+}} 0, i{{.+}} 1
 112   // BLOCKS: [[G_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
 113   // BLOCKS: [[G_VAL:%.+]] = load volatile double, ptr @{{.+}},
 114   // BLOCKS: store volatile double [[G_VAL]], ptr [[G_PRIVATE_ADDR]]
 115
 116   // BLOCKS: [[SIVAR_PRIVATE_ADDR:%.+]] = getelementptr inbounds nuw %{{.+}}, ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 117   // BLOCKS: [[SIVAR_VAL:%.+]] = load i{{[0-9]+}}, ptr @{{.+}},
 118   // BLOCKS: store i{{[0-9]+}} [[SIVAR_VAL]], ptr [[SIVAR_PRIVATE_ADDR]]
 119   // BLOCKS: call void @__kmpc_taskloop(ptr @{{.+}}, i32 %{{.+}}, ptr [[RES]], i32 1, ptr %{{.+}}, ptr %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, ptr null)
 120   // BLOCKS: ret
 121 #pragma omp taskloop simd firstprivate(g, sivar)
 122   for (int i = 0; i < 10; ++i) {
 123     // BLOCKS: define {{.+}} void {{@.+}}(ptr
 124     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
 125     // BLOCKS: store volatile double 2.0{{.+}}, ptr
 126     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
 127     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
 128     // BLOCKS: store i{{[0-9]+}} 22, ptr
 129     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
 130     // BLOCKS: ret
 131
 132     // BLOCKS: store ptr %{{.+}}, ptr %{{.+}},
 133     // BLOCKS: store ptr %{{.+}}, ptr %{{.+}},
 134     // BLOCKS: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
 135     g = 1;
 136     sivar = 11;
 137     // BLOCKS: store double 1.0{{.+}}, ptr %{{.+}},
 138     // BLOCKS-NOT: [[G]]{{[[^:word:]]}}
 139     // BLOCKS: store i{{[0-9]+}} 11, ptr %{{.+}},
 140     // BLOCKS-NOT: [[SIVAR]]{{[[^:word:]]}}
 141     // BLOCKS: call void {{%.+}}(ptr
 142     ^{
 143       g = 2;
 144       sivar = 22;
 145     }();
 146   }
 147   }();
 148   return 0;
 149 #else
 150   S<double> ttt;
 151   S<double> test(ttt);
 152   int t_var = 0;
 153   int vec[] = {1, 2};
 154   S<double> s_arr[] = {1, 2};
 155   S<double> var(3);
 156 #pragma omp taskloop simd firstprivate(var, t_var, s_arr, vec, s_arr, var, sivar)
 157   for (int i = 0; i < 10; ++i) {
 158     vec[0] = t_var;
 159     s_arr[0] = var;
 160     sivar = 33;
 161   }
 162   return tmain<int>();
 163 #endif
 164 }
 165
 166 // CHECK: [[SIVAR:.+]] = internal global i{{[0-9]+}} 0,
 167 // CHECK: define{{.*}} i{{[0-9]+}} @main()
 168 // CHECK: alloca [[S_DOUBLE_TY]],
 169 // CHECK: [[TEST:%.+]] = alloca [[S_DOUBLE_TY]],
 170 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32,
 171 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
 172 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_DOUBLE_TY]]],
 173 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_DOUBLE_TY]],
 174 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr [[LOC:@.+]])
 175
 176 // CHECK: call {{.*}} [[S_DOUBLE_TY_COPY_CONSTR:@.+]](ptr {{[^,]*}} [[TEST]],
 177
 178 // Store original variables in capture struct.
 179 // CHECK: [[S_ARR_REF:%.+]] = getelementptr inbounds nuw [[CAP_MAIN_TY]], ptr %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 0
 180 // CHECK: store ptr [[S_ARR_ADDR]], ptr [[S_ARR_REF]],
 181 // CHECK: [[VAR_REF:%.+]] = getelementptr inbounds nuw [[CAP_MAIN_TY]], ptr %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 1
 182 // CHECK: store ptr [[VAR_ADDR]], ptr [[VAR_REF]],
 183
 184 // Allocate task.
 185 // Returns struct kmp_task_t {
 186 //         [[KMP_TASK_T]] task_data;
 187 //         [[KMP_TASK_MAIN_TY]] privates;
 188 //       };
 189 // CHECK: [[RES:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr [[LOC]], i32 [[GTID]], i32 9, i64 120, i64 16, ptr [[TASK_ENTRY:@[^ ]+]])
 190
 191 // Fill kmp_task_t->shareds by copying from original capture argument.
 192 // CHECK: [[TASK:%.+]] = getelementptr inbounds nuw [[KMP_TASK_MAIN_TY]], ptr [[RES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
 193 // CHECK: [[SHAREDS_REF_ADDR:%.+]] = getelementptr inbounds nuw [[KMP_TASK_T_TY]], ptr [[TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
 194 // CHECK: [[SHAREDS_REF:%.+]] = load ptr, ptr [[SHAREDS_REF_ADDR]],
 195 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[SHAREDS_REF]], ptr align 8 %{{.+}}, i64 16, i1 false)
 196
 197 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
 198 // Also copy address of private copy to the corresponding shareds reference.
 199 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_MAIN_TY]], ptr [[RES]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
 200
 201 // Constructors for s_arr and var.
 202 // s_arr;
 203 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
 204 // CHECK: call void [[S_DOUBLE_TY_COPY_CONSTR]](ptr {{[^,]*}} [[S_ARR_CUR:%[^,]+]],
 205 // CHECK: getelementptr [[S_DOUBLE_TY]], ptr [[S_ARR_CUR]], i{{.+}} 1
 206 // CHECK: getelementptr [[S_DOUBLE_TY]], ptr %{{.+}}, i{{.+}} 1
 207 // CHECK: icmp eq
 208 // CHECK: br i1
 209
 210 // var;
 211 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 212 // CHECK-NEXT: call void [[S_DOUBLE_TY_COPY_CONSTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]], ptr {{.*}},
 213
 214 // t_var;
 215 // CHECK: [[PRIVATE_T_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 216 // CHECK-NEXT: [[T_VAR:%.+]] = load i32, ptr %{{.+}},
 217 // CHECK-NEXT: store i32 [[T_VAR]], ptr [[PRIVATE_T_VAR_REF]],
 218
 219 // vec;
 220 // CHECK: [[PRIVATE_VEC_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 221 // CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(
 222
 223 // sivar;
 224 // CHECK: [[PRIVATE_SIVAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 4
 225 // CHECK: [[SIVAR:%.+]] = load i{{.+}}, ptr @{{.+}},
 226 // CHECK: store i32 [[SIVAR]], ptr [[PRIVATE_SIVAR_REF]],
 227
 228 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
 229 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds nuw [[KMP_TASK_T_TY]], ptr [[TASK]], i{{.+}} 0, i{{.+}} 3
 230 // CHECK: store ptr [[DESTRUCTORS:@.+]], ptr [[DESTRUCTORS_REF]],
 231
 232 // Start task.
 233 // CHECK: call void @__kmpc_taskloop(ptr [[LOC]], i32 [[GTID]], ptr [[RES]], i32 1, ptr %{{.+}}, ptr %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, ptr [[MAIN_DUP:@.+]])
 234
 235 // CHECK: = call noundef i{{.+}} [[TMAIN_INT:@.+]]()
 236
 237 // No destructors must be called for private copies of s_arr and var.
 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: call void [[S_DOUBLE_TY_DESTR:@.+]](ptr
 241 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 242 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 243 // CHECK: ret
 244 //
 245
 246 // 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)
 247 // CHECK: [[PRIVATES:%.+]] = load ptr, ptr
 248 // CHECK: [[PRIV_S_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 0
 249 // CHECK: [[ARG3:%.+]] = load ptr, ptr %{{.+}},
 250 // CHECK: store ptr [[PRIV_S_VAR]], ptr [[ARG3]],
 251 // CHECK: [[PRIV_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 1
 252 // CHECK: [[ARG1:%.+]] = load ptr, ptr {{.+}},
 253 // CHECK: store ptr [[PRIV_VAR]], ptr [[ARG1]],
 254 // CHECK: [[PRIV_T_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 2
 255 // CHECK: [[ARG2:%.+]] = load ptr, ptr %{{.+}},
 256 // CHECK: store ptr [[PRIV_T_VAR]], ptr [[ARG2]],
 257 // CHECK: [[PRIV_VEC:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 3
 258 // CHECK: [[ARG4:%.+]] = load ptr, ptr %{{.+}},
 259 // CHECK: store ptr [[PRIV_VEC]], ptr [[ARG4]],
 260 // CHECK: [[PRIV_SIVAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i32 0, i32 4
 261 // CHECK: [[ARG5:%.+]] = load ptr, ptr %{{.+}},
 262 // CHECK: store ptr [[PRIV_SIVAR]], ptr [[ARG5]],
 263 // CHECK: ret void
 264
 265 // CHECK: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
 266
 267 // CHECK: %__context
 268 // CHECK: [[PRIV_VAR_ADDR:%.+]] = alloca ptr,
 269 // CHECK: [[PRIV_T_VAR_ADDR:%.+]] = alloca ptr,
 270 // CHECK: [[PRIV_S_ARR_ADDR:%.+]] = alloca ptr,
 271 // CHECK: [[PRIV_VEC_ADDR:%.+]] = alloca ptr,
 272 // CHECK: [[PRIV_SIVAR_ADDR:%.+]] = alloca ptr,
 273 // CHECK: store ptr [[PRIVATES_MAP_FN]], ptr [[MAP_FN_ADDR:%.+]],
 274 // CHECK: [[MAP_FN:%.+]] = load ptr, ptr [[MAP_FN_ADDR]],
 275
 276 // CHECK: call void [[MAP_FN]](ptr %{{.+}}, ptr [[PRIV_VAR_ADDR]], ptr [[PRIV_T_VAR_ADDR]], ptr [[PRIV_S_ARR_ADDR]], ptr [[PRIV_VEC_ADDR]], ptr [[PRIV_SIVAR_ADDR]])
 277
 278 // CHECK: [[PRIV_VAR:%.+]] = load ptr, ptr [[PRIV_VAR_ADDR]],
 279 // CHECK: [[PRIV_T_VAR:%.+]] = load ptr, ptr [[PRIV_T_VAR_ADDR]],
 280 // CHECK: [[PRIV_S_ARR:%.+]] = load ptr, ptr [[PRIV_S_ARR_ADDR]],
 281 // CHECK: [[PRIV_VEC:%.+]] = load ptr, ptr [[PRIV_VEC_ADDR]],
 282 // CHECK: [[PRIV_SIVAR:%.+]] = load ptr, ptr [[PRIV_SIVAR_ADDR]],
 283
 284 // Privates actually are used.
 285 // CHECK-DAG: [[PRIV_VAR]]
 286 // CHECK-DAG: [[PRIV_T_VAR]]
 287 // CHECK-DAG: [[PRIV_S_ARR]]
 288 // CHECK-DAG: [[PRIV_VEC]]
 289 // CHECK-DAG: [[PRIV_SIVAR]]
 290
 291 // CHECK: ret
 292
 293 // CHECK: define internal void [[MAIN_DUP]](ptr noundef %0, ptr noundef %1, i32 noundef %2)
 294 // CHECK: getelementptr inbounds nuw [[KMP_TASK_MAIN_TY]], ptr %{{.+}}, i32 0, i32 1
 295 // CHECK: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr %{{.+}}, i32 0, i32 0
 296 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], ptr %{{.+}}, i32 0, i32 0
 297 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], ptr %{{.+}}, i64 2
 298 // CHECK: br i1 %
 299
 300 // CHECK: phi ptr
 301 // CHECK: call {{.*}} [[S_DOUBLE_TY_COPY_CONSTR]](ptr
 302 // CHECK: getelementptr [[S_DOUBLE_TY]], ptr %{{.+}}, i32 1
 303 // CHECK: icmp eq ptr %
 304 // CHECK: br i1 %
 305
 306 // CHECK: getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr %{{.+}}, i32 0, i32 1
 307 // CHECK: call {{.*}} [[S_DOUBLE_TY_COPY_CONSTR]](ptr
 308 // CHECK: ret void
 309
 310 // CHECK: define internal noundef i32 [[DESTRUCTORS]](i32 noundef %0, ptr noalias noundef %1)
 311 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_MAIN_TY]], ptr [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 1
 312 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
 313 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_MAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 314 // CHECK: call void [[S_DOUBLE_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]])
 315 // CHECK: getelementptr inbounds [2 x [[S_DOUBLE_TY]]], ptr [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
 316 // CHECK: getelementptr inbounds [[S_DOUBLE_TY]], ptr %{{.+}}, i{{.+}} 2
 317 // CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_DOUBLE_TY]], ptr %{{.+}}, i{{.+}} -1
 318 // CHECK: call void [[S_DOUBLE_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_S_ARR_ELEM_REF]])
 319 // CHECK: icmp eq
 320 // CHECK: br i1
 321 // CHECK: ret i32
 322
 323 // CHECK: define {{.*}} i{{[0-9]+}} [[TMAIN_INT]]()
 324 // CHECK: alloca [[S_INT_TY]],
 325 // CHECK: [[TEST:%.+]] = alloca [[S_INT_TY]],
 326 // CHECK: [[T_VAR_ADDR:%.+]] = alloca i32, align 128
 327 // CHECK: [[VEC_ADDR:%.+]] = alloca [2 x i32],
 328 // CHECK: [[S_ARR_ADDR:%.+]] = alloca [2 x [[S_INT_TY]]],
 329 // CHECK: [[VAR_ADDR:%.+]] = alloca [[S_INT_TY]],
 330 // CHECK: [[GTID:%.+]] = call i32 @__kmpc_global_thread_num(ptr [[LOC:@.+]])
 331
 332 // CHECK: call {{.*}} [[S_INT_TY_COPY_CONSTR:@.+]](ptr {{[^,]*}} [[TEST]],
 333
 334 // Store original variables in capture struct.
 335 // CHECK: [[S_ARR_REF:%.+]] = getelementptr inbounds nuw [[CAP_TMAIN_TY]], ptr %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 0
 336 // CHECK: store ptr [[S_ARR_ADDR]], ptr [[S_ARR_REF]],
 337 // CHECK: [[VAR_REF:%.+]] = getelementptr inbounds nuw [[CAP_TMAIN_TY]], ptr %{{.+}}, i{{[0-9]+}} 0, i{{[0-9]+}} 1
 338 // CHECK: store ptr [[VAR_ADDR]], ptr [[VAR_REF]],
 339
 340 // Allocate task.
 341 // Returns struct kmp_task_t {
 342 //         [[KMP_TASK_T_TY]] task_data;
 343 //         [[KMP_TASK_TMAIN_TY]] privates;
 344 //       };
 345 // CHECK: [[RES:%.+]] = call ptr @__kmpc_omp_task_alloc(ptr [[LOC]], i32 [[GTID]], i32 9, i64 256, i64 16, ptr [[TASK_ENTRY:@[^ ]+]])
 346
 347 // Fill kmp_task_t->shareds by copying from original capture argument.
 348 // CHECK: [[TASK:%.+]] = getelementptr inbounds nuw [[KMP_TASK_TMAIN_TY]], ptr [[RES]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
 349 // CHECK: [[SHAREDS_REF_ADDR:%.+]] = getelementptr inbounds nuw [[KMP_TASK_T_TY]], ptr [[TASK]], i{{[0-9]+}} 0, i{{[0-9]+}} 0
 350 // CHECK: [[SHAREDS_REF:%.+]] = load ptr, ptr [[SHAREDS_REF_ADDR]],
 351 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[SHAREDS_REF]], ptr align 8 %{{.+}}, i64 16, i1 false)
 352
 353 // Initialize kmp_task_t->privates with default values (no init for simple types, default constructors for classes).
 354 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_TMAIN_TY]], ptr [[RES]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
 355
 356 // t_var;
 357 // CHECK: [[PRIVATE_T_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 0
 358 // CHECK-NEXT: [[T_VAR:%.+]] = load i32, ptr %{{.+}}, align 128
 359 // CHECK-NEXT: store i32 [[T_VAR]], ptr [[PRIVATE_T_VAR_REF]], align 128
 360
 361 // vec;
 362 // CHECK: [[PRIVATE_VEC_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 1
 363 // CHECK: call void @llvm.memcpy.p0.p0.i64(
 364
 365 // Constructors for s_arr and var.
 366 // a_arr;
 367 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
 368 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], ptr [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
 369 // CHECK: getelementptr inbounds [[S_INT_TY]], ptr %{{.+}}, i{{.+}} 2
 370 // CHECK: call void [[S_INT_TY_COPY_CONSTR]](ptr {{[^,]*}} [[S_ARR_CUR:%[^,]+]],
 371 // CHECK: getelementptr [[S_INT_TY]], ptr [[S_ARR_CUR]], i{{.+}} 1
 372 // CHECK: icmp eq
 373 // CHECK: br i1
 374
 375 // var;
 376 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 377 // CHECK-NEXT: call void [[S_INT_TY_COPY_CONSTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]],
 378
 379 // Provide pointer to destructor function, which will destroy private variables at the end of the task.
 380 // CHECK: [[DESTRUCTORS_REF:%.+]] = getelementptr inbounds nuw [[KMP_TASK_T_TY]], ptr [[TASK]], i{{.+}} 0, i{{.+}} 3
 381 // CHECK: store ptr [[DESTRUCTORS:@.+]], ptr [[DESTRUCTORS_REF]],
 382
 383 // Start task.
 384 // CHECK: call void @__kmpc_taskloop(ptr [[LOC]], i32 [[GTID]], ptr [[RES]], i32 1, ptr %{{.+}}, ptr %{{.+}}, i64 %{{.+}}, i32 1, i32 0, i64 0, ptr [[TMAIN_DUP:@.+]])
 385
 386 // No destructors must be called for private copies of s_arr and var.
 387 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 388 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 389 // CHECK: call void [[S_INT_TY_DESTR:@.+]](ptr noundef
 390 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 391 // CHECK-NOT: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 392 // CHECK: ret
 393 //
 394
 395 // 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)
 396 // CHECK: [[PRIVATES:%.+]] = load ptr, ptr
 397 // CHECK: [[PRIV_T_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 0
 398 // CHECK: [[ARG1:%.+]] = load ptr, ptr %{{.+}},
 399 // CHECK: store ptr [[PRIV_T_VAR]], ptr [[ARG1]],
 400 // CHECK: [[PRIV_VEC:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 1
 401 // CHECK: [[ARG2:%.+]] = load ptr, ptr %{{.+}},
 402 // CHECK: store ptr [[PRIV_VEC]], ptr [[ARG2]],
 403 // CHECK: [[PRIV_S_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 2
 404 // CHECK: [[ARG3:%.+]] = load ptr, ptr %{{.+}},
 405 // CHECK: store ptr [[PRIV_S_VAR]], ptr [[ARG3]],
 406 // CHECK: [[PRIV_VAR:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i32 0, i32 3
 407 // CHECK: [[ARG4:%.+]] = load ptr, ptr {{.+}},
 408 // CHECK: store ptr [[PRIV_VAR]], ptr [[ARG4]],
 409 // CHECK: ret void
 410
 411 // CHECK: define internal noundef i32 [[TASK_ENTRY]](i32 noundef %0, ptr noalias noundef %1)
 412 // CHECK: %__context
 413 // CHECK-DAG: [[PRIV_T_VAR_ADDR:%.+]] = alloca ptr,
 414 // CHECK-DAG: [[PRIV_VEC_ADDR:%.+]] = alloca ptr,
 415 // CHECK-DAG: [[PRIV_S_ARR_ADDR:%.+]] = alloca ptr,
 416 // CHECK-DAG: [[PRIV_VAR_ADDR:%.+]] = alloca ptr,
 417 // CHECK: store ptr [[PRIVATES_MAP_FN]], ptr [[MAP_FN_ADDR:%.+]],
 418 // CHECK: [[MAP_FN:%.+]] = load ptr, ptr [[MAP_FN_ADDR]],
 419 // CHECK: call void [[MAP_FN]](ptr %{{.+}}, ptr [[PRIV_T_VAR_ADDR]], ptr [[PRIV_VEC_ADDR]], ptr [[PRIV_S_ARR_ADDR]], ptr [[PRIV_VAR_ADDR]])
 420 // CHECK: [[PRIV_T_VAR:%.+]] = load ptr, ptr [[PRIV_T_VAR_ADDR]],
 421 // CHECK: [[PRIV_VEC:%.+]] = load ptr, ptr [[PRIV_VEC_ADDR]],
 422 // CHECK: [[PRIV_S_ARR:%.+]] = load ptr, ptr [[PRIV_S_ARR_ADDR]],
 423 // CHECK: [[PRIV_VAR:%.+]] = load ptr, ptr [[PRIV_VAR_ADDR]],
 424
 425 // Privates actually are used.
 426 // CHECK-DAG: [[PRIV_VAR]]
 427 // CHECK-DAG: [[PRIV_T_VAR]]
 428 // CHECK-DAG: [[PRIV_S_ARR]]
 429 // CHECK-DAG: [[PRIV_VEC]]
 430
 431 // CHECK: ret
 432
 433 // CHECK: define internal void [[TMAIN_DUP]](ptr noundef %0, ptr noundef %1, i32 noundef %2)
 434 // CHECK: getelementptr inbounds nuw [[KMP_TASK_TMAIN_TY]], ptr %{{.+}}, i32 0, i32 2
 435 // CHECK: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr %{{.+}}, i32 0, i32 2
 436 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], ptr %{{.+}}, i32 0, i32 0
 437 // CHECK: getelementptr inbounds [[S_INT_TY]], ptr %{{.+}}, i64 2
 438 // CHECK: br i1 %
 439
 440 // CHECK: phi ptr
 441 // CHECK: call {{.*}} [[S_INT_TY_COPY_CONSTR]](ptr
 442 // CHECK: getelementptr [[S_INT_TY]], ptr %{{.+}}, i32 1
 443 // CHECK: icmp eq ptr %
 444 // CHECK: br i1 %
 445
 446 // CHECK: getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr %{{.+}}, i32 0, i32 3
 447 // CHECK: call {{.*}} [[S_INT_TY_COPY_CONSTR]](ptr
 448 // CHECK: ret void
 449
 450 // CHECK: define internal noundef i32 [[DESTRUCTORS]](i32 noundef %0, ptr noalias noundef %1)
 451 // CHECK: [[PRIVATES:%.+]] = getelementptr inbounds nuw [[KMP_TASK_TMAIN_TY]], ptr [[RES_KMP_TASK:%.+]], i{{[0-9]+}} 0, i{{[0-9]+}} 2
 452 // CHECK: [[PRIVATE_S_ARR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 2
 453 // CHECK: [[PRIVATE_VAR_REF:%.+]] = getelementptr inbounds nuw [[PRIVATES_TMAIN_TY]], ptr [[PRIVATES]], i{{.+}} 0, i{{.+}} 3
 454 // CHECK: call void [[S_INT_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_VAR_REF]])
 455 // CHECK: getelementptr inbounds [2 x [[S_INT_TY]]], ptr [[PRIVATE_S_ARR_REF]], i{{.+}} 0, i{{.+}} 0
 456 // CHECK: getelementptr inbounds [[S_INT_TY]], ptr %{{.+}}, i{{.+}} 2
 457 // CHECK: [[PRIVATE_S_ARR_ELEM_REF:%.+]] = getelementptr inbounds [[S_INT_TY]], ptr %{{.+}}, i{{.+}} -1
 458 // CHECK: call void [[S_INT_TY_DESTR]](ptr {{[^,]*}} [[PRIVATE_S_ARR_ELEM_REF]])
 459 // CHECK: icmp eq
 460 // CHECK: br i1
 461 // CHECK: ret i32
 462
 463 #endif
 464 #else
 465 // ARRAY-LABEL: array_func
 466 struct St {
 467   int a, b;
 468   St() : a(0), b(0) {}
 469   St(const St &) {}
 470   ~St() {}
 471 };
 472
 473 void array_func(int n, float a[n], St s[2]) {
 474 // ARRAY: call ptr @__kmpc_omp_task_alloc(
 475 // ARRAY: call void @__kmpc_taskloop(
 476 // ARRAY: store ptr %{{.+}}, ptr %{{.+}},
 477 // ARRAY: store ptr %{{.+}}, ptr %{{.+}},
 478 #pragma omp taskloop simd firstprivate(a, s)
 479   for (int i = 0; i < 10; ++i)
 480     ;
 481 }
 482 #endif
 483