73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
 | 
						|
 | 
						|
// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
 | 
						|
 | 
						|
void xxx(int argc) {
 | 
						|
  int x; // expected-note {{initialize the variable 'x' to silence this warning}}
 | 
						|
#pragma omp master
 | 
						|
  argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
 | 
						|
}
 | 
						|
 | 
						|
int foo();
 | 
						|
 | 
						|
int main() {
 | 
						|
  #pragma omp master
 | 
						|
  ;
 | 
						|
  #pragma omp master nowait // expected-error {{unexpected OpenMP clause 'nowait' in directive '#pragma omp master'}}
 | 
						|
  #pragma omp master unknown // expected-warning {{extra tokens at the end of '#pragma omp master' are ignored}}
 | 
						|
  foo();
 | 
						|
  {
 | 
						|
    #pragma omp master
 | 
						|
  } // expected-error {{expected statement}}
 | 
						|
  #pragma omp for
 | 
						|
  for (int i = 0; i < 10; ++i) {
 | 
						|
    foo();
 | 
						|
    #pragma omp master // expected-error {{region cannot be closely nested inside 'for' region}}
 | 
						|
    foo();
 | 
						|
  }
 | 
						|
  #pragma omp sections
 | 
						|
  {
 | 
						|
    foo();
 | 
						|
    #pragma omp master // expected-error {{region cannot be closely nested inside 'sections' region}}
 | 
						|
    foo();
 | 
						|
  }
 | 
						|
  #pragma omp single
 | 
						|
  for (int i = 0; i < 10; ++i) {
 | 
						|
    foo();
 | 
						|
    #pragma omp master allocate(i) // expected-error {{region cannot be closely nested inside 'single' region}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp master'}}
 | 
						|
    foo();
 | 
						|
  }
 | 
						|
  #pragma omp master
 | 
						|
  for (int i = 0; i < 10; ++i) {
 | 
						|
    foo();
 | 
						|
    #pragma omp master
 | 
						|
    foo();
 | 
						|
  }
 | 
						|
  #pragma omp for ordered
 | 
						|
  for (int i = 0; i < 10; ++i)
 | 
						|
  #pragma omp master // expected-error {{region cannot be closely nested inside 'for' region}}
 | 
						|
  {
 | 
						|
    foo();
 | 
						|
  }
 | 
						|
 | 
						|
  return 0;
 | 
						|
}
 | 
						|
 | 
						|
int foo() {
 | 
						|
  L1: // expected-note {{jump exits scope of OpenMP structured block}}
 | 
						|
    foo();
 | 
						|
  #pragma omp master
 | 
						|
  {
 | 
						|
    foo();
 | 
						|
    goto L1; // expected-error {{cannot jump from this goto statement to its label}}
 | 
						|
  }
 | 
						|
  goto L2; // expected-error {{cannot jump from this goto statement to its label}}
 | 
						|
  #pragma omp master
 | 
						|
  { // expected-note {{jump bypasses OpenMP structured block}}
 | 
						|
    L2:
 | 
						|
    foo();
 | 
						|
  }
 | 
						|
 | 
						|
  return 0;
 | 
						|
}
 |