refactor mode_b lowerer to have a create_set callback

[libfirm] / ir / be / belower.c

diff --git a/ir/be/belower.c b/ir/be/belower.c
index 3a75c0e..2a8abbd 100644 (file)
--- a/ir/be/belower.c
+++ b/ir/be/belower.c
@@ -66,13 +66,13 @@ typedef struct {
 } constraint_env_t;
 
 /** Lowering walker environment. */
-typedef struct _lower_env_t {
+typedef struct lower_env_t {
        ir_graph *irg;
        unsigned  do_copy : 1;
 } lower_env_t;
 
 /** Holds a Perm register pair. */
-typedef struct _reg_pair_t {
+typedef struct reg_pair_t {
        const arch_register_t *in_reg;    /**< a perm IN register */
        ir_node               *in_node;   /**< the in node to which the register belongs */
 
@@ -82,7 +82,7 @@ typedef struct _reg_pair_t {
        int                    checked;   /**< indicates whether the pair was check for cycle or not */
 } reg_pair_t;
 
-typedef enum _perm_type_t {
+typedef enum perm_type_t {
        PERM_CYCLE,
        PERM_CHAIN,
        PERM_SWAP,
@@ -90,7 +90,7 @@ typedef enum _perm_type_t {
 } perm_type_t;
 
 /** Structure to represent cycles or chains in a Perm. */
-typedef struct _perm_cycle_t {
+typedef struct perm_cycle_t {
        const arch_register_t **elems;       /**< the registers in the cycle */
        int                     n_elems;     /**< number of elements in the cycle */
        perm_type_t             type;        /**< type (CHAIN or CYCLE) */
@@ -941,11 +941,7 @@ found_front:
                arch_set_irn_register(node, arch_get_irn_register(proj));
 
                /* reroute all users of the proj to the moved node. */
-               edges_reroute(proj, node, irg);
-
-               /* and kill it */
-               set_Proj_pred(proj, new_Bad());
-               kill_node(proj);
+               exchange(proj, node);
 
                bitset_set(moved, input);
                n_moved++;