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Use zend_ssa_is_no_val_use() instead of zend_has_improper_op1_use()
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@ -228,10 +228,10 @@ static inline void add_operands_to_worklists(context *ctx, zend_op *opline, zend
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if (ssa_op->result_use >= 0) {
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add_to_worklists(ctx, ssa_op->result_use);
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}
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if (ssa_op->op1_use >= 0 && !zend_has_improper_op1_use(opline)) {
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if (ssa_op->op1_use >= 0 && !zend_ssa_is_no_val_use(opline, ssa_op, ssa_op->op1_use)) {
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add_to_worklists(ctx, ssa_op->op1_use);
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}
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if (ssa_op->op2_use >= 0) {
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if (ssa_op->op2_use >= 0 && !zend_ssa_is_no_val_use(opline, ssa_op, ssa_op->op2_use)) {
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add_to_worklists(ctx, ssa_op->op2_use);
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}
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}
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@ -501,10 +501,12 @@ int dce_optimize_op_array(zend_op_array *op_array, zend_ssa *ssa, zend_bool reor
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/* Improper uses don't count as "uses" for the purpose of instruction elimination,
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* but we have to retain phis defining them. Push those phis to the worklist. */
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FOREACH_INSTR_NUM(i) {
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if (zend_has_improper_op1_use(&op_array->opcodes[i])) {
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ZEND_ASSERT(ssa->ops[i].op1_use >= 0);
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if (ssa->ops[i].op1_use >= 0 && zend_ssa_is_no_val_use(&op_array->opcodes[i], &ssa->ops[i], ssa->ops[i].op1_use)) {
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add_to_phi_worklist_only(&ctx, ssa->ops[i].op1_use);
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}
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if (ssa->ops[i].op2_use >= 0 && zend_ssa_is_no_val_use(&op_array->opcodes[i], &ssa->ops[i], ssa->ops[i].op2_use)) {
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add_to_phi_worklist_only(&ctx, ssa->ops[i].op2_use);
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}
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} FOREACH_INSTR_NUM_END();
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/* Propagate this information backwards, marking any phi with an improperly used
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@ -115,9 +115,4 @@ zend_uchar zend_compound_assign_to_binary_op(zend_uchar opcode);
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int sccp_optimize_op_array(zend_optimizer_ctx *ctx, zend_op_array *op_arrya, zend_ssa *ssa, zend_call_info **call_map);
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int dce_optimize_op_array(zend_op_array *op_array, zend_ssa *ssa, zend_bool reorder_dtor_effects);
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static inline zend_bool zend_has_improper_op1_use(zend_op *opline) {
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return opline->opcode == ZEND_ASSIGN
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|| (opline->opcode == ZEND_UNSET_VAR && opline->extended_value & ZEND_QUICK_SET);
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}
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#endif
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