be: Inline be_get_transformed_node() into its only caller.
ia32: Remove unnecessary case for Conv_I2I from need_constraint_copy().

Conv_I2I does not have any should_be_same constraints specified.
ia32: Factorise code to make binop nodes.
ia32: Split IMul into IMul and IMulImm.
ia32: Remove stale comments.

CopyB{,_i} do not modify the direction flag at all.
ia32: Remove the unused node xStoreSimple.
ia32: Unify the slot of the memory output of fp store nodes.

This way get_irn_Proj_for_mode() can be removed.
Use get_Proj_for_pn() instead.
ia32: Conv_I2I does not alter flags, so do not call the dummy output flags.
ia32: Sort cases.
ia32: popcnt produces useable flag results.
ir: Use foreach_irn_in{,_r}().
ia32: Move more expensive and seldom triggered case down in ia32_possible_memory_operand().

Probably most nodes are filtered out by get_ia32_am_support(), e.g. ia32_Return.
ia32: Factorise common code in gen_Bitcast().
ia32: Handle clobbering of x87 registers.
ia32: Use symbolic names.