check_source_compiles ( C
    "int main(void) {
    #pragma GCC ivdep
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_GCC_IVDEP
    FAIL_REGEX "[wW]arning" )

check_source_compiles ( C
    "int main(void) {
    #pragma clang loop vectorize(enable)
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_CLANG_LOOP_VECTORIZE
    FAIL_REGEX "[wW]arning" )

check_source_compiles ( C
    "int main(void) {
    #pragma ivdep
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_IVDEP
    FAIL_REGEX "[wW]arning" )

check_source_compiles ( C
    "int main(void) {
    #pragma loop( ivdep )
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_LOOP_IVDEP
    FAIL_REGEX "[wW]arning" )

check_source_compiles ( C
    "int main(void) {
    #pragma GCC novector
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_GCC_NOVECTOR
    FAIL_REGEX "[wW]arning" )

check_source_compiles ( C
    "int main(void) {
    #pragma novector
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_NOVECTOR
    FAIL_REGEX "[wW]arning" )

check_source_compiles ( C
    "int main(void) {
    #pragma loop( no_vector )
    for (int j = 0; j < 1; j++) { }
    return 0;
    }"
    HAVE_PRAGMA_LOOP_NO_VECTOR
    FAIL_REGEX "[wW]arning" )