Moved from irgopt.c

[libfirm] / ir / ir / irflag.h

diff --git a/ir/ir/irflag.h b/ir/ir/irflag.h
index 09610c2..7ece80a 100644 (file)
--- a/ir/ir/irflag.h
+++ b/ir/ir/irflag.h
@@ -47,6 +47,14 @@ int get_optimize(void);
  */
 void set_opt_constant_folding (int value);
 
+/** Enables/Disables removal of redundant Loads and Stores.
+ *
+ *  - Remove Store that overwrites a just stored value (WAW).
+ *  - Remove Store if it stores a value just loaded (WAR with the same value).
+ *  - Remove Load that loads a value just saved (RAW with the same value).
+ */
+void set_opt_redundant_LoadStore(int value);
+
 /** Enables/Disables constant subexpression elimination.
  *
  * If opt_cse == 1 perform constant subexpression elimination.
@@ -59,13 +67,16 @@ void set_opt_cse (int value);
  * If opt_global_cse == 1 and opt_cse == 1 perform intra procedure
  * constant subexpression elimination for floating nodes.  Intra
  * procedure cse gets the graph into state "floating".  It is necessary
- * to run pre/code motion to get the graph back into state "pinned".
+ * to run pre/code motion to get the graph back into state "op_pin_state_pinned".
  * right after a call to local_optimize with global cse turned on.
  * Default: opt_global_cse == 0.
  */
 void set_opt_global_cse (int value);
 
 /** Enables/Disables unreachable code elimination.
+ *
+ * If set, evaluate conditions of conditional branch and replace the
+ * branch with a Jmp/Bad Tuple.
  *
  * If opt_unreachable_code == 1 replace nodes (except Block,
  * Phi and Tuple) with a Bad predecessor by the Bad node.
@@ -107,6 +118,14 @@ void set_opt_reassociation(int value);
  * Default: opt_dead_node_elimination == 1. */
 void set_opt_dead_node_elimination (int value);
 
+/** Enables/Disables dead method elimination.
+ *
+ * If opt_dead_method_elimination == 1 methods never called are
+ * removed.
+ * Default: opt_dead_method_elimination == 1. */
+void set_opt_dead_method_elimination (int value);
+void set_opt_dead_method_elimination_verbose (int value);
+
 /** Enable/Disables inlining.
  *
  * If opt_inline == 1 the inlining transformation is performed.
@@ -121,6 +140,14 @@ void set_opt_inline (int value);
  */
 void set_opt_dyn_meth_dispatch (int value);
 
+/** Enable/Disable optimization of tail-recursion calls.
+ *
+ * This flag enables/disables the optimization tail-recursion call.
+ * If the flag is turned on tail-recursion calls are optimized into loops.
+ */
+void set_opt_tail_recursion(int value);
+
+
 /** Enable/Disable normalizations of the firm representation.
  *
  *  This flag guards transformations that normalize the firm representation
@@ -135,6 +162,10 @@ void set_opt_dyn_meth_dispatch (int value);
  */
 void set_opt_normalize (int value);
 
+
+/** Enable/Disable precise exception context. */
+void set_opt_precise_exc_context(int value);
+
 /**
  * Save the current optimization state.
  */