diff options
Diffstat (limited to 'gcc/value-relation.cc')
| -rw-r--r-- | gcc/value-relation.cc | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/gcc/value-relation.cc b/gcc/value-relation.cc index b8fa765..6f8a1b7 100644 --- a/gcc/value-relation.cc +++ b/gcc/value-relation.cc @@ -115,7 +115,7 @@ relation_kind rr_union_table[VREL_LAST][VREL_LAST] = { { VREL_VARYING, VREL_VARYING, VREL_VARYING, VREL_VARYING, VREL_VARYING, VREL_VARYING, VREL_VARYING, VREL_VARYING }, // VREL_UNDEFINED - { VREL_VARYING, VREL_LT, VREL_LE, VREL_GT, VREL_GE, VREL_UNDEFINED, + { VREL_VARYING, VREL_UNDEFINED, VREL_LT, VREL_LE, VREL_GT, VREL_GE, VREL_EQ, VREL_NE }, // VREL_LT { VREL_VARYING, VREL_LT, VREL_LT, VREL_LE, VREL_NE, VREL_VARYING, VREL_LE, @@ -1718,3 +1718,26 @@ equiv_relation_iterator::get_name (relation_kind *rel) } return NULL_TREE; } + +#if CHECKING_P +#include "selftest.h" + +namespace selftest +{ +void +relation_tests () +{ + // Verify commutativity of relation_intersect and relation_union. + for (relation_kind r1 = VREL_VARYING; r1 < VREL_PE8; + r1 = relation_kind (r1 + 1)) + for (relation_kind r2 = VREL_VARYING; r2 < VREL_PE8; + r2 = relation_kind (r2 + 1)) + { + ASSERT_EQ (relation_intersect (r1, r2), relation_intersect (r2, r1)); + ASSERT_EQ (relation_union (r1, r2), relation_union (r2, r1)); + } +} + +} // namespace selftest + +#endif // CHECKING_P |