clang/test/Sema/pragma-pipeline.cpp

   1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
   2
   3 #pragma clang loop pipeline(disable) /* expected-error {{expected unqualified-id}} */
   4 int main() {
   5   for (int i = 0; i < 10; ++i)
   6     ;
   7 }
   8
   9 void test(int *List, int Length, int Value) {
  10   int i = 0;
  11
  12 /* expected-error {{invalid argument of type 'double'; expected an integer type}} */ #pragma clang loop pipeline_initiation_interval(1.0)
  13 /* expected-error {{invalid value '0'; must be positive}} */ #pragma clang loop pipeline_initiation_interval(0)
  14 /* expected-error {{invalid value '-1'; must be positive}} */ #pragma clang loop pipeline_initiation_interval(-1)
  15   for (int i = 0; i < Length; i++) {
  16     for (int j = 0; j < Length; j++) {
  17       List[i * Length + j] = Value;
  18     }
  19   }
  20
  21 #pragma clang loop pipeline(disable)
  22 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma clang loop'}} */ int j = Length;
  23 #pragma clang loop pipeline_initiation_interval(4)
  24 /* expected-error {{expected a for, while, or do-while loop to follow '#pragma clang loop'}} */ int k = Length;
  25
  26 #pragma clang loop pipeline(disable)
  27 #pragma clang loop pipeline_initiation_interval(4) /* expected-error {{incompatible directives 'pipeline(disable)' and 'pipeline_initiation_interval(4)'}} */
  28   for (int i = 0; i < Length; i++) {
  29     List[i] = Value;
  30   }
  31
  32 #pragma clang loop pipeline(disable)
  33 /* expected-error {{expected statement}} */ }
  34