forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			102 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized
 | |
| 
 | |
| // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s -Wuninitialized
 | |
| 
 | |
| void xxx(int argc) {
 | |
|   int x; // expected-note {{initialize the variable 'x' to silence this warning}}
 | |
| #pragma omp target parallel for simd
 | |
|   for (int i = 0; i < 10; ++i)
 | |
|     argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
 | |
| }
 | |
| 
 | |
| void foo() {
 | |
| }
 | |
| 
 | |
| static int pvt;
 | |
| #pragma omp threadprivate(pvt)
 | |
| 
 | |
| #pragma omp target parallel for simd // expected-error {{unexpected OpenMP directive '#pragma omp target parallel for simd'}}
 | |
| 
 | |
| int main(int argc, char **argv) {
 | |
| #pragma omp target parallel for simd { // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd ( // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd[ // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd] // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd } // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| // expected-warning@+1 {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 | |
| #pragma omp target parallel for simd unknown()
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| L1:
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|     foo();
 | |
| #pragma omp target parallel for simd
 | |
|   for (int i = 0; i < argc; ++i) {
 | |
|     goto L1; // expected-error {{use of undeclared label 'L1'}}
 | |
|     argc++;
 | |
|   }
 | |
| 
 | |
|   for (int i = 0; i < 10; ++i) {
 | |
|     switch (argc) {
 | |
|     case (0):
 | |
| #pragma omp target parallel for simd
 | |
|       for (int i = 0; i < argc; ++i) {
 | |
|         foo();
 | |
|         break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
 | |
|         continue;
 | |
|       }
 | |
|     default:
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
| #pragma omp target parallel for simd default(none) // expected-note {{explicit data sharing attribute requested here}}
 | |
|   for (int i = 0; i < 10; ++i)
 | |
|     ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
 | |
| 
 | |
|   goto L2; // expected-error {{use of undeclared label 'L2'}}
 | |
| #pragma omp target parallel for simd
 | |
|   for (int i = 0; i < argc; ++i)
 | |
|   L2:
 | |
|   foo();
 | |
| #pragma omp target parallel for simd
 | |
|   for (int i = 0; i < argc; ++i) {
 | |
|     return 1; // expected-error {{cannot return from OpenMP region}}
 | |
|   }
 | |
| 
 | |
|   [[]] // expected-error {{an attribute list cannot appear here}}
 | |
| #pragma omp target parallel for simd
 | |
|       for (int n = 0; n < 100; ++n) {
 | |
|   }
 | |
| 
 | |
| #pragma omp target parallel for simd copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target parallel for simd'}}
 | |
|   for (int n = 0; n < 100; ++n) {}
 | |
| 
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| void test_ordered() {
 | |
| #pragma omp target parallel for simd ordered ordered // expected-error {{directive '#pragma omp target parallel for simd' cannot contain more than one 'ordered' clause}}
 | |
|   for (int i = 0; i < 16; ++i)
 | |
|     ;
 | |
| }
 | |
| 
 |