diff options
Diffstat (limited to 'gcc/tree-ssa-uncprop.c')
| -rw-r--r-- | gcc/tree-ssa-uncprop.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/gcc/tree-ssa-uncprop.c b/gcc/tree-ssa-uncprop.c index 502614a37d6..307bb1fd134 100644 --- a/gcc/tree-ssa-uncprop.c +++ b/gcc/tree-ssa-uncprop.c @@ -1,5 +1,5 @@ /* Routines for discovering and unpropagating edge equivalences. - Copyright (C) 2005-2015 Free Software Foundation, Inc. + Copyright (C) 2005-2016 Free Software Foundation, Inc. This file is part of GCC. @@ -94,23 +94,26 @@ associate_equivalences_with_edges (void) can record an equivalence for OP0 rather than COND. */ if (TREE_CODE (op0) == SSA_NAME && !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (op0) - && TREE_CODE (TREE_TYPE (op0)) == BOOLEAN_TYPE + && ssa_name_has_boolean_range (op0) && is_gimple_min_invariant (op1)) { + tree true_val = constant_boolean_node (true, TREE_TYPE (op0)); + tree false_val = constant_boolean_node (false, + TREE_TYPE (op0)); if (code == EQ_EXPR) { equivalency = XNEW (struct edge_equivalency); equivalency->lhs = op0; equivalency->rhs = (integer_zerop (op1) - ? boolean_false_node - : boolean_true_node); + ? false_val + : true_val); true_edge->aux = equivalency; equivalency = XNEW (struct edge_equivalency); equivalency->lhs = op0; equivalency->rhs = (integer_zerop (op1) - ? boolean_true_node - : boolean_false_node); + ? true_val + : false_val); false_edge->aux = equivalency; } else @@ -118,15 +121,15 @@ associate_equivalences_with_edges (void) equivalency = XNEW (struct edge_equivalency); equivalency->lhs = op0; equivalency->rhs = (integer_zerop (op1) - ? boolean_true_node - : boolean_false_node); + ? true_val + : false_val); true_edge->aux = equivalency; equivalency = XNEW (struct edge_equivalency); equivalency->lhs = op0; equivalency->rhs = (integer_zerop (op1) - ? boolean_false_node - : boolean_true_node); + ? false_val + : true_val); false_edge->aux = equivalency; } } |