gcc/testsuite/gcc.dg/gomp/udr-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fopenmp -std=gnu89" } */
   3
   4 struct S { int s; };
   5 struct T { int t; };
   6 struct U { int u; };
   7
   8 #pragma omp declare reduction (+: struct S: omp_out.s += omp_in.s)
   9 #pragma omp declare reduction (*: struct S: omp_out.s *= omp_in.s) \
  10                     initializer (omp_priv = {1})
  11 #pragma omp declare reduction (foo: struct S: omp_out.s += omp_in.s)
  12
  13 void
  14 f1 ()
  15 {
  16   struct S s, s2;
  17   struct T t;
  18   #pragma omp declare reduction (+: struct T: omp_out.t += omp_in.t)
  19   #pragma omp parallel reduction (+: t) reduction (foo: s) reduction (*: s2)
  20   s.s = 1, t.t = 1, s2.s = 2;
  21   #pragma omp parallel reduction (+: s)
  22   s.s = 1;
  23 }
  24
  25 void bar (struct S *);
  26
  27 void
  28 f2 ()
  29 {
  30   #pragma omp declare reduction (foo: struct S: omp_out.s += omp_in.s) initializer (bar (&omp_priv))
  31   #pragma omp declare reduction (bar: struct S: omp_out.s += omp_in.s) initializer (bar (&omp_orig)) /* { dg-error "one of the initializer call arguments should be" } */
  32 }
  33
  34 #pragma omp declare reduction (+: struct U: omp_out.u *= omp_in.u)              /* { dg-error "previous" } */
  35 #pragma omp declare reduction (+: struct U: omp_out.u += omp_in.u)              /* { dg-error "redeclaration of" } */
  36
  37 void
  38 f3 ()
  39 {
  40   #pragma omp declare reduction (f3: struct U: omp_out.u *= omp_in.u)           /* { dg-error "previous" } */
  41   #pragma omp declare reduction (f3: struct U: omp_out.u += omp_in.u)           /* { dg-error "redeclaration of" } */
  42 }
  43
  44 struct V
  45 {
  46   #pragma omp declare reduction (bar: struct S: omp_out.s *= omp_in.s)          /* { dg-error "not at file or block scope" } */
  47   #pragma omp declare reduction (bar: struct S: omp_out.s += omp_in.s)          /* { dg-error "not at file or block scope" } */
  48 };
  49
  50 #pragma omp declare reduction (n3: long: omp_out += omp_in)             /* { dg-error "previous" } */
  51 #pragma omp declare reduction (n3: long int: omp_out += omp_in)         /* { dg-error "redeclaration of" } */
  52 #pragma omp declare reduction (n3: short unsigned: omp_out += omp_in)
  53 #pragma omp declare reduction (n3: short int: omp_out += omp_in)
  54
  55 void
  56 f4 (void)
  57 {
  58   #pragma omp declare reduction (f4: long: omp_out += omp_in)           /* { dg-error "previous" } */
  59   #pragma omp declare reduction (f4: long int: omp_out += omp_in)       /* { dg-error "redeclaration of" } */
  60   #pragma omp declare reduction (f4: short unsigned: omp_out += omp_in)
  61   #pragma omp declare reduction (f4: short int: omp_out += omp_in)
  62 }
  63
  64 void
  65 f5 (void)
  66 {
  67   #pragma omp declare reduction (+: struct S: omp_out.s += omp_in.s) initializer (omp_priv) /* { dg-error "expected" } */
  68   #pragma omp declare reduction (+: struct T: omp_out.t += omp_in.t) initializer (omp_priv ()) /* { dg-error "expected" } */
  69 }
  70
  71 void
  72 f6 (a, b)
  73 #pragma omp declare reduction (bar: struct S: omp_out.s *= omp_in.s)    /* { dg-error "expected declaration specifiers before" } */
  74   int a;
  75   int b;
  76 {
  77 }