forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			103 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized
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| 
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| // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %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 teams distribute simd
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|   for (int i = 0; i < 10; ++i)
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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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| static int pvt;
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| #pragma omp threadprivate(pvt)
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| 
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| #pragma omp target teams distribute simd // expected-error {{unexpected OpenMP directive '#pragma omp target teams distribute simd'}}
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| 
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| int main(int argc, char **argv) {
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| #pragma omp target teams distribute simd { // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd ( // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd[ // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd] // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd } // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| // expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}}
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| #pragma omp target teams distribute simd unknown()
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| L1:
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd
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|   for (int i = 0; i < argc; ++i)
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|     foo();
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| #pragma omp target teams distribute simd
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|   for (int i = 0; i < argc; ++i) {
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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 teams distribute simd
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|       for (int i = 0; i < argc; ++i) {
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|         foo();
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|         break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
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|         continue;
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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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| // expected-error@+1 {{unexpected OpenMP clause 'default' in directive '#pragma omp target teams distribute simd'}}
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| #pragma omp target teams distribute simd default(none)
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|   for (int i = 0; i < 10; ++i)
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|     ++argc;
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| 
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|   goto L2; // expected-error {{use of undeclared label 'L2'}}
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| #pragma omp target teams distribute simd
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|   for (int i = 0; i < argc; ++i)
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|   L2:
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|   foo();
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| #pragma omp target teams distribute simd
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|   for (int i = 0; i < argc; ++i) {
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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 teams distribute simd
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|       for (int n = 0; n < 100; ++n) {
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|   }
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| 
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| #pragma omp target teams distribute simd copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target teams distribute simd'}}
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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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| void test_ordered() {
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| #pragma omp target teams distribute simd ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp target teams distribute simd'}}
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|   for (int i = 0; i < 16; ++i)
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|     ;
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| }
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| 
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