forked from OSchip/llvm-project
397 lines
19 KiB
C
397 lines
19 KiB
C
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -ferror-limit 100 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -ferror-limit 100 %s -Wuninitialized
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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 atomic read
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argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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int foo() {
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L1:
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foo();
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#pragma omp atomic
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// 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}}
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// expected-note@+1 {{expected an expression statement}}
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{
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foo();
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goto L1; // expected-error {{use of undeclared label 'L1'}}
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}
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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#pragma omp atomic
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// 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}}
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// expected-note@+1 {{expected an expression statement}}
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{
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foo();
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L2:
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foo();
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}
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return 0;
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}
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struct S {
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int a;
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};
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int readint() {
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int a = 0, b = 0;
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// Test for atomic read
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#pragma omp atomic read
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// 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}}
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// expected-note@+1 {{expected an expression statement}}
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;
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#pragma omp atomic read
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// 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}}
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// expected-note@+1 {{expected built-in assignment operator}}
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foo();
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#pragma omp atomic read
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// 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}}
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// expected-note@+1 {{expected built-in assignment operator}}
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a += b;
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#pragma omp atomic read
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// 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}}
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// expected-note@+1 {{expected lvalue expression}}
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a = 0;
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#pragma omp atomic read
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a = b;
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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'read' clause}}
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#pragma omp atomic read read
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a = b;
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return 0;
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}
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int readS() {
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struct S a, b;
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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'read' clause}} expected-error@+1 {{unexpected OpenMP clause 'allocate' in directive '#pragma omp atomic'}}
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#pragma omp atomic read read allocate(a)
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// 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}}
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// expected-note@+1 {{expected expression of scalar type}}
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a = b;
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return a.a;
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}
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int writeint() {
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int a = 0, b = 0;
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// Test for atomic write
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#pragma omp atomic write
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// 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}}
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// expected-note@+1 {{expected an expression statement}}
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;
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#pragma omp atomic write
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// 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}}
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// expected-note@+1 {{expected built-in assignment operator}}
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foo();
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#pragma omp atomic write
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// 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}}
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// expected-note@+1 {{expected built-in assignment operator}}
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a += b;
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#pragma omp atomic write
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a = 0;
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#pragma omp atomic write
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a = b;
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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'write' clause}}
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#pragma omp atomic write write
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a = b;
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return 0;
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}
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int writeS() {
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struct S a, b;
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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'write' clause}}
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#pragma omp atomic write write
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// 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}}
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// expected-note@+1 {{expected expression of scalar type}}
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a = b;
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return a.a;
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}
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int updateint() {
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int a = 0, b = 0;
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// Test for atomic update
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#pragma omp atomic update
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// 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}}
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// expected-note@+1 {{expected an expression statement}}
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;
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#pragma omp atomic
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// 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}}
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// expected-note@+1 {{expected built-in binary or unary operator}}
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foo();
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#pragma omp atomic
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// 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}}
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// expected-note@+1 {{expected built-in binary operator}}
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a = b;
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#pragma omp atomic update
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// 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}}
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// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
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a = b || a;
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#pragma omp atomic update
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// 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}}
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// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
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a = a && b;
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#pragma omp atomic update
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// 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}}
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// expected-note@+1 {{expected in right hand side of expression}}
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a = (float)a + b;
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#pragma omp atomic
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// 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}}
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// expected-note@+1 {{expected in right hand side of expression}}
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a = 2 * b;
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#pragma omp atomic
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// 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}}
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// expected-note@+1 {{expected in right hand side of expression}}
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a = b + *&a;
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#pragma omp atomic update
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*&a = *&a + 2;
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#pragma omp atomic update
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a++;
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#pragma omp atomic
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++a;
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#pragma omp atomic update
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a--;
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#pragma omp atomic
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--a;
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#pragma omp atomic update
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a += b;
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#pragma omp atomic
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a %= b;
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#pragma omp atomic update
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a *= b;
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#pragma omp atomic
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a -= b;
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#pragma omp atomic update
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a /= b;
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#pragma omp atomic
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a &= b;
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#pragma omp atomic update
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a ^= b;
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#pragma omp atomic
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a |= b;
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#pragma omp atomic update
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a <<= b;
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#pragma omp atomic
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a >>= b;
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#pragma omp atomic update
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a = b + a;
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#pragma omp atomic
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a = a * b;
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#pragma omp atomic update
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a = b - a;
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#pragma omp atomic
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a = a / b;
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#pragma omp atomic update
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a = b & a;
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#pragma omp atomic
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a = a ^ b;
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#pragma omp atomic update
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a = b | a;
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#pragma omp atomic
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a = a << b;
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#pragma omp atomic
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a = b >> a;
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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'update' clause}}
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#pragma omp atomic update update
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a /= b;
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return 0;
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}
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int captureint() {
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int a = 0, b = 0, c = 0;
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// Test for atomic capture
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected compound statement}}
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;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected assignment expression}}
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foo();
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected built-in binary or unary operator}}
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a = b;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected assignment expression}}
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a = b || a;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected one of '+', '*', '-', '/', '&', '^', '|', '<<', or '>>' built-in operations}}
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b = a = a && b;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected assignment expression}}
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a = (float)a + b;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected assignment expression}}
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a = 2 * b;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected assignment expression}}
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a = b + *&a;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected exactly two expression statements}}
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{ a = b; }
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected exactly two expression statements}}
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{}
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected in right hand side of the first expression}}
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{a = b;a = b;}
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected in right hand side of the first expression}}
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{a = b; a = b || a;}
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#pragma omp atomic capture
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{b = a; a = a && b;}
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected in right hand side of expression}}
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b = a = (float)a + b;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected in right hand side of expression}}
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b = a = 2 * b;
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#pragma omp atomic capture
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// 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}}
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// expected-note@+1 {{expected in right hand side of expression}}
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b = a = b + *&a;
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#pragma omp atomic capture
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c = *&a = *&a + 2;
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#pragma omp atomic capture
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c = a++;
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#pragma omp atomic capture
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c = ++a;
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#pragma omp atomic capture
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c = a--;
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#pragma omp atomic capture
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c = --a;
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#pragma omp atomic capture
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c = a += b;
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#pragma omp atomic capture
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c = a %= b;
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#pragma omp atomic capture
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c = a *= b;
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#pragma omp atomic capture
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c = a -= b;
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#pragma omp atomic capture
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c = a /= b;
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#pragma omp atomic capture
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c = a &= b;
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#pragma omp atomic capture
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c = a ^= b;
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#pragma omp atomic capture
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c = a |= b;
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#pragma omp atomic capture
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c = a <<= b;
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#pragma omp atomic capture
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c = a >>= b;
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#pragma omp atomic capture
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c = a = b + a;
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#pragma omp atomic capture
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c = a = a * b;
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#pragma omp atomic capture
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c = a = b - a;
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#pragma omp atomic capture
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c = a = a / b;
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#pragma omp atomic capture
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c = a = b & a;
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#pragma omp atomic capture
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c = a = a ^ b;
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#pragma omp atomic capture
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c = a = b | a;
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#pragma omp atomic capture
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c = a = a << b;
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#pragma omp atomic capture
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c = a = b >> a;
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#pragma omp atomic capture
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{ c = *&a; *&a = *&a + 2;}
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#pragma omp atomic capture
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{ *&a = *&a + 2; c = *&a;}
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#pragma omp atomic capture
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{c = a; a++;}
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#pragma omp atomic capture
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{c = a; (a)++;}
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#pragma omp atomic capture
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{++a;c = a;}
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#pragma omp atomic capture
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{c = a;a--;}
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#pragma omp atomic capture
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{--a;c = a;}
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#pragma omp atomic capture
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{c = a; a += b;}
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#pragma omp atomic capture
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{c = a; (a) += b;}
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#pragma omp atomic capture
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{a %= b; c = a;}
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#pragma omp atomic capture
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{c = a; a *= b;}
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#pragma omp atomic capture
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{a -= b;c = a;}
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#pragma omp atomic capture
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{c = a; a /= b;}
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#pragma omp atomic capture
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{a &= b; c = a;}
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#pragma omp atomic capture
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{c = a; a ^= b;}
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#pragma omp atomic capture
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{a |= b; c = a;}
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#pragma omp atomic capture
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{c = a; a <<= b;}
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#pragma omp atomic capture
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{a >>= b; c = a;}
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#pragma omp atomic capture
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{c = a; a = b + a;}
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#pragma omp atomic capture
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{a = a * b; c = a;}
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#pragma omp atomic capture
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{c = a; a = b - a;}
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#pragma omp atomic capture
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{a = a / b; c = a;}
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#pragma omp atomic capture
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{c = a; a = b & a;}
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#pragma omp atomic capture
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{a = a ^ b; c = a;}
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#pragma omp atomic capture
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{c = a; a = b | a;}
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#pragma omp atomic capture
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{a = a << b; c = a;}
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#pragma omp atomic capture
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{c = a; a = b >> a;}
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#pragma omp atomic capture
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{c = a; a = foo();}
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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'capture' clause}}
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#pragma omp atomic capture capture
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b = a /= b;
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return 0;
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}
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|
|
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void hint() {
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int a = 0;
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#pragma omp atomic hint // omp45-error {{unexpected OpenMP clause 'hint' in directive '#pragma omp atomic'}} expected-error {{expected '(' after 'hint'}}
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a += 1;
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#pragma omp atomic hint( // omp45-error {{unexpected OpenMP clause 'hint' in directive '#pragma omp atomic'}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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a += 1;
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#pragma omp atomic hint(+ // omp45-error {{unexpected OpenMP clause 'hint' in directive '#pragma omp atomic'}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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a += 1;
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#pragma omp atomic hint(a // omp45-error {{unexpected OpenMP clause 'hint' in directive '#pragma omp atomic'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expression is not an integer constant expression}}
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a += 1;
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#pragma omp atomic hint(a) // omp45-error {{unexpected OpenMP clause 'hint' in directive '#pragma omp atomic'}} omp50-error {{expression is not an integer constant expression}}
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a += 1;
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#pragma omp atomic hint(1) hint(1) // omp45-error 2 {{unexpected OpenMP clause 'hint' in directive '#pragma omp atomic'}} expected-error {{directive '#pragma omp atomic' cannot contain more than one 'hint' clause}}
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a += 1;
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}
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