clang/test/Preprocessor/openmp-macro-expansion.c

   1 // RUN:   %clang_cc1 -fopenmp -E -o - %s 2>&1 | FileCheck %s
   2
   3 // This is to make sure the pragma name is not expanded!
   4 #define omp (0xDEADBEEF)
   5
   6 #define N 2
   7 #define M 1
   8 #define E N>
   9
  10 #define map_to_be_expanded(x) map(tofrom:x)
  11 #define sched_to_be_expanded(x,s) schedule(x,s)
  12 #define reda_to_be_expanded(x) reduction(+:x)
  13 #define redb_to_be_expanded(x,op) reduction(op:x)
  14
  15 void foo(int *a, int *b) {
  16   //CHECK: omp target map(a[0:2]) map(tofrom:b[0:2*1])
  17   #pragma omp target map(a[0:N]) map_to_be_expanded(b[0:2*M])
  18   {
  19     int reda;
  20     int redb;
  21     //CHECK: omp parallel for schedule(static,2> >1) reduction(+:reda) reduction(*:redb)
  22     #pragma omp parallel for sched_to_be_expanded(static, E>1) \
  23         reda_to_be_expanded(reda) redb_to_be_expanded(redb,*)
  24     for (int i = 0; i < N; ++i) {
  25       reda += a[i];
  26       redb += b[i];
  27     }
  28     a[0] = reda;
  29     b[0] = redb;
  30   }
  31 }