clang/test/OpenMP/debug_threadprivate_copyin.c

   1 // This testcase checks emission of debug info for threadprivate variables
   2 // present in any clause of OpenMP construct.
   3
   4 // REQUIRES: x86-registered-target
   5
   6 // RUN: %clang_cc1 -debug-info-kind=constructor -x c -verify -triple x86_64-pc-linux-gnu -fopenmp -emit-llvm %s -o - | FileCheck %s
   7 // expected-no-diagnostics
   8
   9 // CHECK: define internal void @main.omp_outlined_debug__(
  10 // CHECK: #dbg_declare(ptr %.global_tid..addr,
  11 // CHECK: #dbg_declare(ptr %.bound_tid..addr,
  12 // CHECK: #dbg_declare(ptr %nt.addr
  13 // CHECK: store ptr %gbl_dynamic_int, ptr %gbl_dynamic_int.addr, align 8
  14 // CHECK-NOT: #dbg_declare(ptr %gbl_dynamic_int.addr
  15 // CHECK-NOT: #dbg_declare(ptr %gbl_static_int.addr
  16
  17 extern int printf(const char *, ...);
  18 extern void omp_set_num_threads(int);
  19 extern int omp_get_num_threads(void);
  20 extern int omp_get_thread_num(void);
  21
  22 int gbl_dynamic_int;
  23 __thread int gbl_static_int;
  24
  25 #pragma omp threadprivate(gbl_dynamic_int)
  26
  27 int main() {
  28   int nt = 0;
  29   int offset = 10;
  30   gbl_dynamic_int = 55;
  31   gbl_static_int = 77;
  32
  33   omp_set_num_threads(4);
  34 #pragma omp parallel copyin(gbl_dynamic_int, gbl_static_int)
  35   {
  36     int data;
  37     int tid;
  38     nt = omp_get_num_threads();
  39     tid = omp_get_thread_num();
  40     data = gbl_dynamic_int + gbl_static_int;
  41     gbl_dynamic_int += 10;
  42     gbl_static_int += 20;
  43 #pragma omp barrier
  44     if (tid == 0)
  45       printf("In parallel region total threads = %d, thread id = %d data=%d gbl_dyn_addr = %p, gbl_static_addr = %p\n",
  46              nt, tid, data, &gbl_dynamic_int, &gbl_static_int);
  47     if (tid == 1)
  48       printf("In parallel region total threads = %d, thread id = %d data=%d gbl_dyn_addr = %p, gbl_static_addr = %p\n",
  49              nt, tid, data, &gbl_dynamic_int, &gbl_static_int);
  50     if (tid == 2)
  51       printf("In parallel region total threads = %d, thread id = %d data=%d gbl_dyn_addr = %p, gbl_static_addr = %p\n",
  52              nt, tid, data, &gbl_dynamic_int, &gbl_static_int);
  53     if (tid == 3)
  54       printf("In parallel region total threads = %d, thread id = %d data=%d gbl_dyn_addr = %p, gbl_static_addr = %p\n",
  55              nt, tid, data, &gbl_dynamic_int, &gbl_static_int);
  56   }
  57
  58   return 0;
  59 }