diff options
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index a2d1459..cce0412 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -1177,23 +1177,18 @@ record_equivalences_from_phis (basic_block bb) { tree t = PHI_ARG_DEF (phi, i); - if (TREE_CODE (t) == SSA_NAME || is_gimple_min_invariant (t)) - { - /* Ignore alternatives which are the same as our LHS. */ - if (operand_equal_for_phi_arg_p (lhs, t)) - continue; - - /* If we have not processed an alternative yet, then set - RHS to this alternative. */ - if (rhs == NULL) - rhs = t; - /* If we have processed an alternative (stored in RHS), then - see if it is equal to this one. If it isn't, then stop - the search. */ - else if (! operand_equal_for_phi_arg_p (rhs, t)) - break; - } - else + /* Ignore alternatives which are the same as our LHS. */ + if (operand_equal_for_phi_arg_p (lhs, t)) + continue; + + /* If we have not processed an alternative yet, then set + RHS to this alternative. */ + if (rhs == NULL) + rhs = t; + /* If we have processed an alternative (stored in RHS), then + see if it is equal to this one. If it isn't, then stop + the search. */ + else if (! operand_equal_for_phi_arg_p (rhs, t)) break; } |