diff options
| -rw-r--r-- | gcc/gimple-fold.cc | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/gimple-fold.cc b/gcc/gimple-fold.cc index 379d2e9..935e800 100644 --- a/gcc/gimple-fold.cc +++ b/gcc/gimple-fold.cc @@ -5767,15 +5767,17 @@ gimple_fold_call (gimple_stmt_iterator *gsi, bool inplace) } -/* Return true whether NAME has a use on STMT. */ +/* Return true whether NAME has a use on STMT. Note this can return + false even though there's a use on STMT if SSA operands are not + up-to-date. */ static bool has_use_on_stmt (tree name, gimple *stmt) { - imm_use_iterator iter; - use_operand_p use_p; - FOR_EACH_IMM_USE_FAST (use_p, iter, name) - if (USE_STMT (use_p) == stmt) + ssa_op_iter iter; + tree op; + FOR_EACH_SSA_TREE_OPERAND (op, stmt, iter, SSA_OP_USE) + if (op == name) return true; return false; } |