clang/test/SemaOpenACC/loop-loc-and-stmt.cpp

   1 // RUN: %clang_cc1 %s -verify -fopenacc
   2 //
   3 // expected-error@+1{{OpenACC construct 'loop' cannot be used here; it can only be used in a statement context}}
   4 #pragma acc loop
   5
   6 // expected-error@+1{{OpenACC construct 'loop' cannot be used here; it can only be used in a statement context}}
   7 #pragma acc loop
   8 int foo;
   9
  10 struct S {
  11 // expected-error@+1{{OpenACC construct 'loop' cannot be used here; it can only be used in a statement context}}
  12 #pragma acc loop
  13   int i;
  14
  15   void mem_func() {
  16   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  17   // expected-note@+1{{'loop' construct is here}}
  18 #pragma acc loop
  19     int foo;
  20
  21   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  22   // expected-note@+1{{'loop' construct is here}}
  23 #pragma acc loop
  24     while(0);
  25
  26   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  27   // expected-note@+1{{'loop' construct is here}}
  28 #pragma acc loop
  29     do{}while(0);
  30
  31   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  32   // expected-note@+1{{'loop' construct is here}}
  33 #pragma acc loop
  34     {}
  35
  36 #pragma acc loop
  37     for(int i = 0; i < 6; ++i);
  38
  39     int array[5];
  40
  41 #pragma acc loop
  42     for(auto X : array){}
  43 }
  44 };
  45
  46 template<typename T>
  47 void templ_func() {
  48   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  49   // expected-note@+1{{'loop' construct is here}}
  50 #pragma acc loop
  51   int foo;
  52
  53   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  54   // expected-note@+1{{'loop' construct is here}}
  55 #pragma acc loop
  56   while(T{});
  57
  58   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  59   // expected-note@+1{{'loop' construct is here}}
  60 #pragma acc loop
  61   do{}while(0);
  62
  63   // expected-error@+3{{OpenACC 'loop' construct can only be applied to a 'for' loop}}
  64   // expected-note@+1{{'loop' construct is here}}
  65 #pragma acc loop
  66   {}
  67
  68 #pragma acc loop
  69   for(T i = 0; i < 1; ++i);
  70
  71   T array[5];
  72
  73 #pragma acc loop
  74   for(auto X : array){}
  75 }
  76
  77 void use() {
  78   templ_func<int>();
  79 }
  80