- fixed signed/unsigned warning

[libfirm] / ir / opt / ifconv.c

diff --git a/ir/opt/ifconv.c b/ir/opt/ifconv.c
index 63c7090..56e5607 100644 (file)
--- a/ir/opt/ifconv.c
+++ b/ir/opt/ifconv.c
@@ -535,13 +535,13 @@ void opt_if_conv(ir_graph *irg, const ir_settings_if_conv_t *params)
        compute_cdep(irg);
        assure_doms(irg);
 
-       ir_reserve_resources(irg, IR_RESOURCE_BLOCK_MARK);
+       ir_reserve_resources(irg, IR_RESOURCE_BLOCK_MARK | IR_RESOURCE_PHI_LIST);
 
        irg_block_walk_graph(irg, init_block_link, NULL, NULL);
        irg_walk_graph(irg, collect_phis, NULL, NULL);
        irg_block_walk_graph(irg, NULL, if_conv_walker, &p);
 
-       ir_free_resources(irg, IR_RESOURCE_BLOCK_MARK);
+       ir_free_resources(irg, IR_RESOURCE_BLOCK_MARK | IR_RESOURCE_PHI_LIST);
 
        local_optimize_graph(irg);