forked from OSchip/llvm-project
225 lines
9.5 KiB
C++
225 lines
9.5 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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template <class T>
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T read() {
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T a, b = 0;
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// Test for atomic read
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#pragma omp atomic read
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// expected-error@+1 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both l-value expressions with scalar type}}
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;
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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 T();
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}
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int read() {
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int a, b = 0;
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// Test for atomic read
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#pragma omp atomic read
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// expected-error@+1 {{the statement for 'atomic read' must be an expression statement of form 'v = x;', where v and x are both l-value expressions with scalar type}}
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;
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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 read<int>();
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}
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template <class T>
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T write() {
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T a, b = 0;
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// Test for atomic write
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#pragma omp atomic write
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// expected-error@+1 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is an l-value expression with scalar type}}
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;
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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 T();
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}
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int write() {
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int a, b = 0;
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// Test for atomic write
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#pragma omp atomic write
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// expected-error@+1 {{the statement for 'atomic write' must be an expression statement of form 'x = expr;', where x is an l-value expression with scalar type}}
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;
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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 write<int>();
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}
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template <class T>
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T update() {
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T a, b = 0;
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// Test for atomic update
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#pragma omp atomic update
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// expected-error@+1 {{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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;
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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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#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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return T();
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}
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int update() {
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int a, b = 0;
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// Test for atomic update
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#pragma omp atomic update
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// expected-error@+1 {{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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;
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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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#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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return update<int>();
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}
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template <class T>
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T capture() {
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T a, b = 0;
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// Test for atomic capture
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#pragma omp atomic capture
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// expected-error@+1 {{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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++a;
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#pragma omp atomic capture
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// expected-error@+1 {{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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;
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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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a = ++b;
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return T();
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}
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int capture() {
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int a, b = 0;
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// Test for atomic capture
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#pragma omp atomic capture
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// expected-error@+1 {{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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++a;
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#pragma omp atomic capture
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// expected-error@+1 {{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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;
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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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a = ++b;
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return capture<int>();
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}
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template <class T>
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T seq_cst() {
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T a, b = 0;
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// Test for atomic seq_cst
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#pragma omp atomic seq_cst
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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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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'seq_cst' clause}}
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#pragma omp atomic seq_cst seq_cst
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a += b;
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#pragma omp atomic update seq_cst
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// expected-error@+1 {{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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;
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return T();
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}
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int seq_cst() {
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int a, b = 0;
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// Test for atomic seq_cst
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#pragma omp atomic seq_cst
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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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// expected-error@+1 {{directive '#pragma omp atomic' cannot contain more than one 'seq_cst' clause}}
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#pragma omp atomic seq_cst seq_cst
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a += b;
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#pragma omp atomic update seq_cst
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// expected-error@+1 {{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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;
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return seq_cst<int>();
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}
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template <class T>
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T mixed() {
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T a, b = T();
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// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 2 {{'read' clause used here}}
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#pragma omp atomic read write
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a = b;
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// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 2 {{'write' clause used here}}
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#pragma omp atomic write read
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a = b;
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// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 2 {{'update' clause used here}}
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#pragma omp atomic update read
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a += b;
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// expected-error@+2 2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 2 {{'capture' clause used here}}
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#pragma omp atomic capture read
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a = ++b;
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return T();
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}
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int mixed() {
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int a, b = 0;
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// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 {{'read' clause used here}}
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#pragma omp atomic read write
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a = b;
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// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 {{'write' clause used here}}
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#pragma omp atomic write read
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a = b;
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// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 {{'write' clause used here}}
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#pragma omp atomic write update
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a = b;
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// expected-error@+2 {{directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause}}
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// expected-note@+1 {{'write' clause used here}}
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#pragma omp atomic write capture
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a = b;
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// expected-note@+1 {{in instantiation of function template specialization 'mixed<int>' requested here}}
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return mixed<int>();
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}
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