96 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wuninitialized
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// RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s
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// RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
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// CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'
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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 parallel
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  argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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void foo() {
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}
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static int pvt;
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#pragma omp threadprivate(pvt)
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#pragma omp target parallel // expected-error {{unexpected OpenMP directive '#pragma omp target parallel'}}
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int main(int argc, char **argv) {
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  #pragma omp target parallel { // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
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  foo();
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  #pragma omp target parallel ( // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
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  foo();
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  #pragma omp target parallel [ // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
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  foo();
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  #pragma omp target parallel ] // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
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  foo();
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  #pragma omp target parallel ) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
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  foo();
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  #pragma omp target parallel } // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
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  foo();
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  #pragma omp target parallel
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  foo();
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  // expected-warning@+1 {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
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  #pragma omp target parallel unknown()
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  foo();
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  L1:
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    foo();
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  #pragma omp target parallel
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  ;
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  #pragma omp target parallel
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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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  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 parallel
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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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  goto L2; // expected-error {{use of undeclared label 'L2'}}
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  #pragma omp target parallel
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  L2:
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  foo();
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  #pragma omp target parallel
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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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  [[]] // expected-error {{an attribute list cannot appear here}}
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  #pragma omp target parallel
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  for (int n = 0; n < 100; ++n) {}
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  #pragma omp target parallel copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target parallel'}}
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  foo();
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  #pragma omp target parallel
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  {
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#pragma omp cancel // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
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#pragma omp cancellation point // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}
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#pragma omp cancel for // expected-error {{region cannot be closely nested inside 'target parallel' region}}
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#pragma omp cancellation point for // expected-error {{region cannot be closely nested inside 'target parallel' region}}
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#pragma omp cancel sections // expected-error {{region cannot be closely nested inside 'target parallel' region}}
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#pragma omp cancellation point sections // expected-error {{region cannot be closely nested inside 'target parallel' region}}
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#pragma omp cancel taskgroup // expected-error {{region cannot be closely nested inside 'target parallel' region}}
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#pragma omp cancellation point taskgroup // expected-error {{region cannot be closely nested inside 'target parallel' region}}
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#pragma omp cancel parallel
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#pragma omp cancellation point parallel
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  }
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  return 0;
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}
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