Introduce flip-flopping normalisations

[libfirm] / include / libfirm / irnode.h

diff --git a/include/libfirm/irnode.h b/include/libfirm/irnode.h
index 17a3570..8713c58 100644 (file)
--- a/include/libfirm/irnode.h
+++ b/include/libfirm/irnode.h
@@ -298,13 +298,6 @@ FIRM_API void set_Block_matured(ir_node *block, int matured);
 FIRM_API ir_visited_t get_Block_block_visited(const ir_node *block);
 FIRM_API void set_Block_block_visited(ir_node *block, ir_visited_t visit);
 
-/**
- * Marks a block as dead but do not replace it with a Bad node.
- * Dead blocks are removed in the con
- */
-FIRM_API ir_node *set_Block_dead(ir_node *block);
-FIRM_API int is_Block_dead(const ir_node *block);
-
 /* For this current_ir_graph must be set. */
 FIRM_API void mark_Block_block_visited(ir_node *node);
 FIRM_API int Block_block_visited(const ir_node *node);
@@ -485,6 +478,16 @@ FIRM_API void     set_binop_left(ir_node *node, ir_node *left);
 FIRM_API ir_node *get_binop_right(const ir_node *node);
 FIRM_API void     set_binop_right(ir_node *node, ir_node *right);
 
+/**
+ * Test wether a node is the X_except Proj of a fragile operation
+ */
+FIRM_API int      is_x_except_Proj(const ir_node *node);
+
+/**
+ * Test wether a node is the X_regular Proj of a fragile operation
+ */
+FIRM_API int      is_x_regular_Proj(const ir_node *node);
+
 /** returns the name of an ir_relation */
 FIRM_API const char *get_relation_string(ir_relation relation);
 
@@ -591,6 +594,9 @@ FIRM_API ir_node *skip_HighLevel_ops(ir_node *node);
 /** Returns true if the operation manipulates control flow:
    Start, End, Jmp, Cond, Return, Raise, Bad */
 FIRM_API int is_cfop(const ir_node *node);
+/** returns true if the operation jumps to an unknown destination.
+ * See irop_flag_unknown_jump for a detailed explanation */
+FIRM_API int is_unknown_jump(const ir_node *node);
 
 /** Returns true if the operation can change the control flow because
     of an exception: Call, Div, Mod, Load, Store, Alloc,