forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			96 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
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| 
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| // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
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| 
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| void xxx(int argc) {
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|   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
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| #pragma omp parallel sections
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| {
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|   argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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| }
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| }
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| 
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| void foo() {
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| }
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| 
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| #pragma omp parallel sections // expected-error {{unexpected OpenMP directive '#pragma omp parallel sections'}}
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| 
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| int main(int argc, char **argv) {
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| #pragma omp parallel sections {// expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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|   {
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|     foo();
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|   }
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| #pragma omp parallel sections( // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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|   {
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|     foo();
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|   }
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| #pragma omp parallel sections[ // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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|   {
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|     foo();
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|   }
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| #pragma omp parallel sections] // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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|   {
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|     foo();
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|   }
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| #pragma omp parallel sections) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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|   {
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|     foo();
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|   }
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| #pragma omp parallel sections } // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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|   {
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|     foo();
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|   }
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| // expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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| #pragma omp parallel sections unknown()
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|   {
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|     foo();
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| #pragma omp section
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|   L1:
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|     foo();
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|   }
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| #pragma omp parallel sections
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|   {
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|     ;
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|   }
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| #pragma omp parallel sections
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|   {
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|     goto L1; // expected-error {{use of undeclared label 'L1'}}
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|   }
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| 
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|   for (int i = 0; i < 10; ++i) {
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|     switch (argc) {
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|     case (0):
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| #pragma omp parallel sections
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|     {
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|       foo();
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|       break;    // expected-error {{'break' statement not in loop or switch statement}}
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|       continue; // expected-error {{'continue' statement not in loop statement}}
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|     }
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|     default:
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|       break;
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|     }
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|   }
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| #pragma omp parallel sections default(none) // expected-note {{explicit data sharing attribute requested here}}
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|   {
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|     ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
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|   }
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| 
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|   goto L2; // expected-error {{use of undeclared label 'L2'}}
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| #pragma omp parallel sections
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|   {
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|   L2:
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|     foo();
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|   }
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| #pragma omp parallel sections
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|   {
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|     return 1; // expected-error {{cannot return from OpenMP region}}
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|   }
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| 
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|   [[]] // expected-error {{an attribute list cannot appear here}}
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| #pragma omp parallel sections
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|   {
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|   }
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| 
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|   return 0;
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| }
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