// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s
int foo() {
L1:
foo();
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
{
foo();
goto L1; // expected-error {{use of undeclared label 'L1'}}
}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
{
foo();
L2:
foo();
}
return 0;
}
struct S {
int a;
S &operator=(int v) {
a = v;
return *this;
}
S &operator+=(const S &s) {
a += s.a;
return *this;
}
};
template <class T>
T read() {
T a = T(), b = T();
// Test for atomic read
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
foo();
#pragma omp atomic read
// expected-error@+2 2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 2 {{expected built-in assignment operator}}
a += b;
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected lvalue expression}}
a = 0;
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
a = b;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'read' clause}}
#pragma omp atomic read read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
a = b;
return a;
}
int read() {
int a = 0, b = 0;
// Test for atomic read
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
foo();
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
a += b;
#pragma omp atomic read
// expected-error@+2 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both lvalue expressions with scalar type}}
// expected-note@+1 {{expected lvalue expression}}
a = 0;
#pragma omp atomic read
a = b;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'read' clause}}
#pragma omp atomic read read
a = b;
// expected-note@+2 {{in instantiation of function template specialization 'read<S>' requested here}}
// expected-note@+1 {{in instantiation of function template specialization 'read<int>' requested here}}
return read<int>() + read<S>().a;
}
template <class T>
T write() {
T a, b = 0;
// Test for atomic write
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'write' clause}}
#pragma omp atomic write write
a = b;
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
foo();
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
a += b;
#pragma omp atomic write
a = 0;
#pragma omp atomic write
a = b;
return T();
}
int write() {
int a, b = 0;
// Test for atomic write
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'write' clause}}
#pragma omp atomic write write
a = b;
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
foo();
#pragma omp atomic write
// expected-error@+2 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is a lvalue expression with scalar type}}
// expected-note@+1 {{expected built-in assignment operator}}
a += b;
#pragma omp atomic write
a = 0;
#pragma omp atomic write
a = foo();
// expected-note@+1 {{in instantiation of function template specialization 'write<int>' requested here}}
return write<int>();
}
template <class T>
T update() {
T a = 0, b = 0, c = 0;
// Test for atomic update
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'update' clause}}
#pragma omp atomic update update
a += b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected built-in binary operator}}
a = b;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
a = b || a;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
a = a && b;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = float(a) + b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = 2 * b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = b + *&a;
#pragma omp atomic
*&a = b * *&a;
#pragma omp atomic update
a++;
#pragma omp atomic
++a;
#pragma omp atomic update
a--;
#pragma omp atomic
--a;
#pragma omp atomic update
a += b;
#pragma omp atomic
a %= b;
#pragma omp atomic update
a *= b;
#pragma omp atomic
a -= b;
#pragma omp atomic update
a /= b;
#pragma omp atomic
a &= b;
#pragma omp atomic update
a ^= b;
#pragma omp atomic
a |= b;
#pragma omp atomic update
a <<= b;
#pragma omp atomic
a >>= b;
#pragma omp atomic update
a = b + a;
#pragma omp atomic
a = a * b;
#pragma omp atomic update
a = b - a;
#pragma omp atomic
a = a / b;
#pragma omp atomic update
a = b & a;
#pragma omp atomic
a = a ^ b;
#pragma omp atomic update
a = b | a;
#pragma omp atomic
a = a << b;
#pragma omp atomic
a = b >> a;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
return T();
}
int update() {
int a, b = 0;
// Test for atomic update
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'update' clause}}
#pragma omp atomic update update
a += b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected built-in binary operator}}
a = b;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
a = b || a;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
a = a && b;
#pragma omp atomic update
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = float(a) + b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = 2 * b;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
a = b + *&a;
#pragma omp atomic update
a++;
#pragma omp atomic
++a;
#pragma omp atomic update
a--;
#pragma omp atomic
--a;
#pragma omp atomic update
a += b;
#pragma omp atomic
a %= b;
#pragma omp atomic update
a *= b;
#pragma omp atomic
a -= b;
#pragma omp atomic update
a /= b;
#pragma omp atomic
a &= b;
#pragma omp atomic update
a ^= b;
#pragma omp atomic
a |= b;
#pragma omp atomic update
a <<= b;
#pragma omp atomic
a >>= b;
#pragma omp atomic update
a = b + a;
#pragma omp atomic
a = a * b;
#pragma omp atomic update
a = b - a;
#pragma omp atomic
a = a / b;
#pragma omp atomic update
a = b & a;
#pragma omp atomic
a = a ^ b;
#pragma omp atomic update
a = b | a;
#pragma omp atomic
a = a << b;
#pragma omp atomic
a = b >> a;
#pragma omp atomic
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
return update<int>();
}
template <class T>
T capture() {
T a = 0, b = 0, c = 0;
// Test for atomic capture
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected compound statement}}
;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
foo();
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected built-in binary or unary operator}}
a = b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = b || a;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
b = a = a && b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = (float)a + b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = 2 * b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = b + *&a;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected exactly two expression statements}}
{ a = b; }
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected exactly two expression statements}}
{}
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of the first expression}}
{a = b;a = b;}
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of the first expression}}
{a = b; a = b || a;}
#pragma omp atomic capture
{b = a; a = a && b;}
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
b = a = (float)a + b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
b = a = 2 * b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
b = a = b + *&a;
#pragma omp atomic capture
c = *&a = *&a + 2;
#pragma omp atomic capture
c = a++;
#pragma omp atomic capture
c = ++a;
#pragma omp atomic capture
c = a--;
#pragma omp atomic capture
c = --a;
#pragma omp atomic capture
c = a += b;
#pragma omp atomic capture
c = a %= b;
#pragma omp atomic capture
c = a *= b;
#pragma omp atomic capture
c = a -= b;
#pragma omp atomic capture
c = a /= b;
#pragma omp atomic capture
c = a &= b;
#pragma omp atomic capture
c = a ^= b;
#pragma omp atomic capture
c = a |= b;
#pragma omp atomic capture
c = a <<= b;
#pragma omp atomic capture
c = a >>= b;
#pragma omp atomic capture
c = a = b + a;
#pragma omp atomic capture
c = a = a * b;
#pragma omp atomic capture
c = a = b - a;
#pragma omp atomic capture
c = a = a / b;
#pragma omp atomic capture
c = a = b & a;
#pragma omp atomic capture
c = a = a ^ b;
#pragma omp atomic capture
c = a = b | a;
#pragma omp atomic capture
c = a = a << b;
#pragma omp atomic capture
c = a = b >> a;
#pragma omp atomic capture
{ c = *&a; *&a = *&a + 2;}
#pragma omp atomic capture
{ *&a = *&a + 2; c = *&a;}
#pragma omp atomic capture
{c = a; a++;}
#pragma omp atomic capture
{c = a; (a)++;}
#pragma omp atomic capture
{++a;c = a;}
#pragma omp atomic capture
{c = a;a--;}
#pragma omp atomic capture
{--a;c = a;}
#pragma omp atomic capture
{c = a; a += b;}
#pragma omp atomic capture
{c = a; (a) += b;}
#pragma omp atomic capture
{a %= b; c = a;}
#pragma omp atomic capture
{c = a; a *= b;}
#pragma omp atomic capture
{a -= b;c = a;}
#pragma omp atomic capture
{c = a; a /= b;}
#pragma omp atomic capture
{a &= b; c = a;}
#pragma omp atomic capture
{c = a; a ^= b;}
#pragma omp atomic capture
{a |= b; c = a;}
#pragma omp atomic capture
{c = a; a <<= b;}
#pragma omp atomic capture
{a >>= b; c = a;}
#pragma omp atomic capture
{c = a; a = b + a;}
#pragma omp atomic capture
{a = a * b; c = a;}
#pragma omp atomic capture
{c = a; a = b - a;}
#pragma omp atomic capture
{a = a / b; c = a;}
#pragma omp atomic capture
{c = a; a = b & a;}
#pragma omp atomic capture
{a = a ^ b; c = a;}
#pragma omp atomic capture
{c = a; a = b | a;}
#pragma omp atomic capture
{a = a << b; c = a;}
#pragma omp atomic capture
{c = a; a = b >> a;}
#pragma omp atomic capture
{c = a; a = foo();}
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'capture' clause}}
#pragma omp atomic capture capture
b = a /= b;
return T();
}
int capture() {
int a = 0, b = 0, c = 0;
// Test for atomic capture
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected compound statement}}
;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
foo();
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected built-in binary or unary operator}}
a = b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = b || a;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
b = a = a && b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = (float)a + b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = 2 * b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected assignment expression}}
a = b + *&a;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected exactly two expression statements}}
{ a = b; }
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected exactly two expression statements}}
{}
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of the first expression}}
{a = b;a = b;}
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}', '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}', '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}' where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected in right hand side of the first expression}}
{a = b; a = b || a;}
#pragma omp atomic capture
{b = a; a = a && b;}
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
b = a = (float)a + b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
b = a = 2 * b;
#pragma omp atomic capture
// expected-error@+2 {{the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x', where x and v are both l-value expressions with scalar type}}
// expected-note@+1 {{expected in right hand side of expression}}
b = a = b + *&a;
#pragma omp atomic capture
c = *&a = *&a + 2;
#pragma omp atomic capture
c = a++;
#pragma omp atomic capture
c = ++a;
#pragma omp atomic capture
c = a--;
#pragma omp atomic capture
c = --a;
#pragma omp atomic capture
c = a += b;
#pragma omp atomic capture
c = a %= b;
#pragma omp atomic capture
c = a *= b;
#pragma omp atomic capture
c = a -= b;
#pragma omp atomic capture
c = a /= b;
#pragma omp atomic capture
c = a &= b;
#pragma omp atomic capture
c = a ^= b;
#pragma omp atomic capture
c = a |= b;
#pragma omp atomic capture
c = a <<= b;
#pragma omp atomic capture
c = a >>= b;
#pragma omp atomic capture
c = a = b + a;
#pragma omp atomic capture
c = a = a * b;
#pragma omp atomic capture
c = a = b - a;
#pragma omp atomic capture
c = a = a / b;
#pragma omp atomic capture
c = a = b & a;
#pragma omp atomic capture
c = a = a ^ b;
#pragma omp atomic capture
c = a = b | a;
#pragma omp atomic capture
c = a = a << b;
#pragma omp atomic capture
c = a = b >> a;
#pragma omp atomic capture
{ c = *&a; *&a = *&a + 2;}
#pragma omp atomic capture
{ *&a = *&a + 2; c = *&a;}
#pragma omp atomic capture
{c = a; a++;}
#pragma omp atomic capture
{++a;c = a;}
#pragma omp atomic capture
{c = a;a--;}
#pragma omp atomic capture
{--a;c = a;}
#pragma omp atomic capture
{c = a; a += b;}
#pragma omp atomic capture
{a %= b; c = a;}
#pragma omp atomic capture
{c = a; a *= b;}
#pragma omp atomic capture
{a -= b;c = a;}
#pragma omp atomic capture
{c = a; a /= b;}
#pragma omp atomic capture
{a &= b; c = a;}
#pragma omp atomic capture
{c = a; a ^= b;}
#pragma omp atomic capture
{a |= b; c = a;}
#pragma omp atomic capture
{c = a; a <<= b;}
#pragma omp atomic capture
{a >>= b; c = a;}
#pragma omp atomic capture
{c = a; a = b + a;}
#pragma omp atomic capture
{a = a * b; c = a;}
#pragma omp atomic capture
{c = a; a = b - a;}
#pragma omp atomic capture
{a = a / b; c = a;}
#pragma omp atomic capture
{c = a; a = b & a;}
#pragma omp atomic capture
{a = a ^ b; c = a;}
#pragma omp atomic capture
{c = a; a = b | a;}
#pragma omp atomic capture
{a = a << b; c = a;}
#pragma omp atomic capture
{c = a; a = b >> a;}
#pragma omp atomic capture
{c = a; a = foo();}
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'capture' clause}}
#pragma omp atomic capture capture
b = a /= b;
// expected-note@+1 {{in instantiation of function template specialization 'capture<int>' requested here}}
return capture<int>();
}
template <class T>
T seq_cst() {
T a, b = 0;
// Test for atomic seq_cst
#pragma omp atomic seq_cst
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'seq_cst' clause}}
#pragma omp atomic seq_cst seq_cst
a += b;
#pragma omp atomic update seq_cst
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
return T();
}
int seq_cst() {
int a, b = 0;
// Test for atomic seq_cst
#pragma omp atomic seq_cst
// expected-error@+2 {{the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'seq_cst' clause}}
#pragma omp atomic seq_cst seq_cst
a += b;
#pragma omp atomic update seq_cst
// expected-error@+2 {{the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x', where x is an l-value expression with scalar type}}
// expected-note@+1 {{expected an expression statement}}
;
return seq_cst<int>();
}
template <class T>
T mixed() {
T a, b = T();
// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 2 {{'read' clause used here}}
#pragma omp atomic read write
a = b;
// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 2 {{'write' clause used here}}
#pragma omp atomic write read
a = b;
// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 2 {{'update' clause used here}}
#pragma omp atomic update read
a += b;
// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 2 {{'capture' clause used here}}
#pragma omp atomic capture read
a = ++b;
return T();
}
int mixed() {
int a, b = 0;
// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 {{'read' clause used here}}
#pragma omp atomic read write
a = b;
// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 {{'write' clause used here}}
#pragma omp atomic write read
a = b;
// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 {{'write' clause used here}}
#pragma omp atomic write update
a = b;
// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
// expected-note@+1 {{'write' clause used here}}
#pragma omp atomic write capture
a = b;
// expected-note@+1 {{in instantiation of function template specialization 'mixed<int>' requested here}}
return mixed<int>();
}
