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simplify and speedup belady/loopana a bit
[libfirm]
/
ir
/
be
/
beirgmod.c
diff --git
a/ir/be/beirgmod.c
b/ir/be/beirgmod.c
index
5b2725b
..
dc3ee7a
100644
(file)
--- a/
ir/be/beirgmod.c
+++ b/
ir/be/beirgmod.c
@@
-193,7
+193,7
@@
static void remove_empty_block(ir_node *block)
}
/* there can be some non-scheduled Pin nodes left in the block, move them
}
/* there can be some non-scheduled Pin nodes left in the block, move them
- * to the succ block */
+ * to the succ block
(Pin) or pred block (Sync)
*/
foreach_out_edge_safe(block, edge, next) {
node = get_edge_src_irn(edge);
foreach_out_edge_safe(block, edge, next) {
node = get_edge_src_irn(edge);
@@
-213,6
+213,11
@@
static void remove_empty_block(ir_node *block)
set_nodes_block(node, get_nodes_block(pred));
continue;
}
set_nodes_block(node, get_nodes_block(pred));
continue;
}
+ if (is_End(node)) { /* End-keep, reroute it to the successor */
+ int pos = get_edge_src_pos(edge);
+ set_irn_n(node, pos, succ_block);
+ continue;
+ }
panic("Unexpected node %+F in block %+F with empty schedule", node, block);
}
panic("Unexpected node %+F in block %+F with empty schedule", node, block);
}
@@
-240,7
+245,7
@@
int be_remove_empty_blocks(ir_graph *irg)
blocks_removed = 0;
blocks_removed = 0;
-
set_using_irn_visited(irg
);
+
ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED
);
inc_irg_visited(irg);
remove_empty_block(get_irg_end_block(irg));
end = get_irg_end(irg);
inc_irg_visited(irg);
remove_empty_block(get_irg_end_block(irg));
end = get_irg_end(irg);
@@
-251,7
+256,7
@@
int be_remove_empty_blocks(ir_graph *irg)
continue;
remove_empty_block(pred);
}
continue;
remove_empty_block(pred);
}
-
clear_using_irn_visited(irg
);
+
ir_free_resources(irg, IR_RESOURCE_IRN_VISITED
);
if (blocks_removed) {
/* invalidate analysis info */
if (blocks_removed) {
/* invalidate analysis info */