#include "iredges_t.h"
#include "irgwalk.h"
#include "irprintf.h"
+#include "ircons.h"
#include "irgmod.h"
#include "error.h"
reg = arch_get_irn_register(arch_env, node);
if(reg == NULL) {
- panic("No register assigned at %+F\n", node);
+ panic("No register assigned at %+F", node);
}
if(arch_register_type_is(reg, virtual))
return;
reg = arch_get_irn_register(arch_env, node);
if(reg == NULL) {
- panic("No register assigned at %+F\n", node);
+ panic("No register assigned at %+F", node);
}
if(arch_register_type_is(reg, virtual))
return;
reg = arch_get_irn_register(arch_env, old_node);
if (reg == NULL) {
- panic("No register assigned at %+F\n", old_node);
+ panic("No register assigned at %+F", old_node);
}
assert(reg == arch_get_irn_register(arch_env, new_node) &&
"KILLING a node and replacing by different register is not allowed");
}
}
+static void kill_node_and_preds(ir_node *node)
+{
+ int arity, i;
+
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+
+ set_irn_n(node, i, new_Bad());
+ if (get_irn_n_edges(pred) != 0)
+ continue;
+
+ kill_node_and_preds(pred);
+ }
+
+ if (!is_Proj(node))
+ sched_remove(node);
+ kill_node(node);
+}
+
/**
* Walk through the block schedule and skip all barrier nodes.
*/
ir_node *irn;
sched_foreach_reverse(ret_blk, irn) {
- if (be_is_Barrier(irn)) {
- const ir_edge_t *edge, *next;
-
- foreach_out_edge_safe(irn, edge, next) {
- ir_node *proj = get_edge_src_irn(edge);
- int pn = (int)get_Proj_proj(proj);
- ir_node *pred = get_irn_n(irn, pn);
-
- edges_reroute_kind(proj, pred, EDGE_KIND_NORMAL, irg);
- edges_reroute_kind(proj, pred, EDGE_KIND_DEP, irg);
- }
- sched_remove(irn);
- kill_node(irn);
- break;
+ const ir_edge_t *edge, *next;
+
+ if (!be_is_Barrier(irn))
+ continue;
+
+ foreach_out_edge_safe(irn, edge, next) {
+ ir_node *proj = get_edge_src_irn(edge);
+ int pn = (int)get_Proj_proj(proj);
+ ir_node *pred = get_irn_n(irn, pn);
+
+ edges_reroute_kind(proj, pred, EDGE_KIND_NORMAL, irg);
+ edges_reroute_kind(proj, pred, EDGE_KIND_DEP, irg);
}
+
+ kill_node_and_preds(irn);
+ break;
}
}
FIRM_DBG_REGISTER(dbg, "firm.be.peephole");
}
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_spillbelady);
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_peephole);