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/PHP-7.2/ext/opcache/Optimizer/
H A Ddfa_pass.c330 uint32_t type = ssa->var_info[src_var].type; in opline_supports_assign_contraction()
698 int src_var = ssa->ops[op_1].op2_use; in zend_dfa_optimize_op_array() local
701 && src_var >= 0 in zend_dfa_optimize_op_array()
703 && ssa->vars[src_var].definition >= 0 in zend_dfa_optimize_op_array()
704 && ssa->ops[ssa->vars[src_var].definition].result_def == src_var in zend_dfa_optimize_op_array()
706 && ssa->vars[src_var].use_chain == op_1 in zend_dfa_optimize_op_array()
708 && !ssa->vars[src_var].phi_use_chain in zend_dfa_optimize_op_array()
709 && !ssa->vars[src_var].sym_use_chain in zend_dfa_optimize_op_array()
712 src_var, opline->op1.var) in zend_dfa_optimize_op_array()
725 ssa->vars[src_var].definition = -1; in zend_dfa_optimize_op_array()
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