2015-05-20 12:24:19 +08:00
// RUN: %clang_cc1 -verify -fopenmp %s
2014-09-18 13:12:34 +08:00
void foo ( ) {
}
bool foobool ( int argc ) {
return argc ;
}
struct S1 ; // expected-note {{declared here}}
template < class T , typename S , int N , int ST > // expected-note {{declared here}}
T tmain ( T argc , S * * argv ) { //expected-note 2 {{declared here}}
# pragma omp for simd collapse // expected-error {{expected '(' after 'collapse'}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse () // expected-error {{expected expression}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
// expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
// expected-error@+2 2 {{expression is not an integral constant expression}}
// expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
# pragma omp for simd collapse (argc
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
// expected-error@+1 2 {{argument to 'collapse' clause must be a positive integer value}}
# pragma omp for simd collapse (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse (1)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse ((ST > 0) ? 1 + ST : 2) // expected-note 2 {{as specified in 'collapse' clause}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ; // expected-error 2 {{expected 2 for loops after '#pragma omp for simd', but found only 1}}
// expected-error@+3 2 {{directive '#pragma omp for simd' cannot contain more than one 'collapse' clause}}
// expected-error@+2 2 {{argument to 'collapse' clause must be a positive integer value}}
// expected-error@+1 2 {{expression is not an integral constant expression}}
# pragma omp for simd collapse (foobool(argc)), collapse (true), collapse (-5)
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse (S) // expected-error {{'S' does not refer to a value}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
// expected-error@+1 2 {{expression is not an integral constant expression}}
# pragma omp for simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse (1)
for ( int i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse (N) // expected-error {{argument to 'collapse' clause must be a positive integer value}}
for ( T i = ST ; i < N ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - ST ] ;
# pragma omp for simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
foo ( ) ; // expected-error {{expected 2 for loops after '#pragma omp for simd'}}
return argc ;
}
int main ( int argc , char * * argv ) {
# pragma omp for simd collapse // expected-error {{expected '(' after 'collapse'}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ;
# pragma omp for simd collapse ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ;
# pragma omp for simd collapse () // expected-error {{expected expression}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ;
# pragma omp for simd collapse (4 // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-note {{as specified in 'collapse' clause}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ; // expected-error {{expected 4 for loops after '#pragma omp for simd', but found only 1}}
# pragma omp for simd collapse (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp for simd' are ignored}} expected-note {{as specified in 'collapse' clause}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ; // expected-error {{expected 4 for loops after '#pragma omp for simd', but found only 1}}
# pragma omp for simd collapse (foobool(1) > 0 ? 1 : 2) // expected-error {{expression is not an integral constant expression}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ;
// expected-error@+3 {{expression is not an integral constant expression}}
// expected-error@+2 2 {{directive '#pragma omp for simd' cannot contain more than one 'collapse' clause}}
// expected-error@+1 2 {{argument to 'collapse' clause must be a positive integer value}}
# pragma omp for simd collapse (foobool(argc)), collapse (true), collapse (-5)
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ;
# pragma omp for simd collapse (S1) // expected-error {{'S1' does not refer to a value}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ;
// expected-error@+1 {{expression is not an integral constant expression}}
# pragma omp for simd collapse (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
for ( int i = 4 ; i < 12 ; i + + ) argv [ 0 ] [ i ] = argv [ 0 ] [ i ] - argv [ 0 ] [ i - 4 ] ;
// expected-error@+3 {{statement after '#pragma omp for simd' must be a for loop}}
// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
# pragma omp for simd collapse(collapse(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
foo ( ) ;
# pragma omp for simd collapse (2) // expected-note {{as specified in 'collapse' clause}}
foo ( ) ; // expected-error {{expected 2 for loops after '#pragma omp for simd'}}
// expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 1, 0>' requested here}}
return tmain < int , char , 1 , 0 > ( argc , argv ) ;
}