forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			98 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -std=c++11 -o - %s -Wuninitialized
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| // RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=50 -std=c++11 -o - %s -Wuninitialized
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| 
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| // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -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 target
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| #pragma omp teams
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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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| void foo() {
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| }
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| 
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| #pragma omp teams // expected-error {{unexpected OpenMP directive '#pragma omp teams'}}
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| 
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| int main(int argc, char **argv) {
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|   #pragma omp teams // omp45-error {{orphaned 'omp teams' directives are prohibited; perhaps you forget to enclose the directive into a target region?}}
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|   ;
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|   #pragma omp target
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|   #pragma omp teams
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|   f; // expected-error {{use of undeclared identifier 'f'}}
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|   #pragma omp target
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|   #pragma omp teams { // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
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|   foo();
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|   #pragma omp target
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|   #pragma omp teams ( // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
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|   foo();
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|   #pragma omp target
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|   #pragma omp teams [ // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
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|   foo();
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|   #pragma omp target
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|   #pragma omp teams ] // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
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|   foo();
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|   #pragma omp target
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|   #pragma omp teams ) // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
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|   foo();
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|   #pragma omp target
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|   #pragma omp teams } // expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
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|   foo();
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|   #pragma omp target
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|   #pragma omp teams
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|   foo();
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|   // expected-warning@+2 {{extra tokens at the end of '#pragma omp teams' are ignored}}
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|   #pragma omp target
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|   #pragma omp teams unknown()
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|   foo();
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|   L1:
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|     foo();
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|   #pragma omp target
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|   #pragma omp teams
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|   ;
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|   #pragma omp target
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|   #pragma omp teams
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|   {
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|     goto L1; // expected-error {{use of undeclared label 'L1'}}
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|     argc++;
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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 target
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|       #pragma omp teams
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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 target
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|   #pragma omp teams default(none) // expected-note {{explicit data sharing attribute requested here}}
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|   ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
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| 
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|   goto L2; // expected-error {{use of undeclared label 'L2'}}
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|   #pragma omp target
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|   #pragma omp teams
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|   L2:
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|   foo();
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|   #pragma omp target
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|   #pragma omp teams
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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 target
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|   #pragma omp teams
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|   for (int n = 0; n < 100; ++n) {}
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| 
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|   return 0;
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| }
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| 
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