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Diffstat (limited to 'gcc/tree-ssa-threadedge.c')
| -rw-r--r-- | gcc/tree-ssa-threadedge.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/gcc/tree-ssa-threadedge.c b/gcc/tree-ssa-threadedge.c index 5228951..7164122 100644 --- a/gcc/tree-ssa-threadedge.c +++ b/gcc/tree-ssa-threadedge.c @@ -553,16 +553,6 @@ simplify_control_stmt_condition (edge e, || !is_gimple_min_invariant (cached_lhs)) cached_lhs = (*simplify) (dummy_cond, stmt); - /* If we were just testing that an integral type was != 0, and that - failed, just return the first operand. This gives the FSM code a - chance to optimize the path. */ - if (cached_lhs == NULL - && cond_code == NE_EXPR - && INTEGRAL_TYPE_P (TREE_TYPE (op0)) - && TREE_CODE (op0) == SSA_NAME - && integer_zerop (op1)) - return op0; - return cached_lhs; } @@ -984,21 +974,6 @@ fsm_find_control_statement_thread_paths (tree expr, return; } - /* Make sure we haven't already visited any of the nodes in - NEXT_PATH. Don't add them here to avoid pollution. */ - for (unsigned int i = 0; i < next_path->length () - 1; i++) - { - if (visited_bbs->contains ((*next_path)[i])) - { - vec_free (next_path); - return; - } - } - - /* Now add the nodes to VISISTED_BBS. */ - for (unsigned int i = 0; i < next_path->length () - 1; i++) - visited_bbs->add ((*next_path)[i]); - /* Append all the nodes from NEXT_PATH to PATH. */ vec_safe_splice (path, next_path); next_path_length = next_path->length (); |