forked from OSchip/llvm-project
103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
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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@+1 {{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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{
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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@+1 {{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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{
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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}}
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#pragma omp atomic read 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 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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