cleanup space generation logic and make it more robust for union constructs

[libfirm] / ir / ir / irtypes.h

diff --git a/ir/ir/irtypes.h b/ir/ir/irtypes.h
index 52dd2a2..11c5471 100644 (file)
--- a/ir/ir/irtypes.h
+++ b/ir/ir/irtypes.h
@@ -126,6 +126,7 @@ typedef struct {
        unsigned is_dead:1;         /**< If set, the block is dead (and could be replace by a Bad. */
        unsigned is_mb_head:1;      /**< Set if this block is a macroblock head. */
        unsigned has_label:1;       /**< Set if this block has a label assigned. */
+       unsigned marked:1;          /**< Can be set/unset to temporary mark a block. */
        ir_node **graph_arr;        /**< An array to store all parameters. */
        /* Attributes holding analyses information */
        ir_dom_info dom;            /**< Datastructure that holds information about dominators.
@@ -502,6 +503,7 @@ struct ir_graph {
        unsigned using_irn_visited   : 1;  /**< set to 1 if we are currently using the visited flag */
        unsigned using_block_visited : 1;  /**< set to 1 if we are currently using the block_visited flag */
        unsigned using_irn_link      : 1;  /**< set to 1 if we are currently using the irn_link fields */
+       unsigned using_block_mark    : 1;  /**< set to 1 if we are currently using the block mark flags */
 #endif
 };