Make sure dead blocks will be reached by irg_block_walk()

[libfirm] / ir / ir / irflag.c

diff --git a/ir/ir/irflag.c b/ir/ir/irflag.c
index 07004f2..eebca75 100644 (file)
--- a/ir/ir/irflag.c
+++ b/ir/ir/irflag.c
@@ -33,10 +33,14 @@ optimization_state_t libFIRM_opt =
   ENABLE(OPT_CONTROL_FLOW_STRONG_SIMPLIFICATION) |
   ENABLE(OPT_CRITICAL_EDGES)                     |
   ENABLE(OPT_DEAD_NODE_ELIMINATION)              |
+  ENABLE(OPT_DEAD_METHOD_ELIMINATION)            |
   ENABLE(OPT_REASSOCIATION)                      |
   ENABLE(OPT_INLINE)                             |
   ENABLE(OPT_DYN_METH_DISPATCH)                  |
-  ENABLE(OPT_NORMALIZE);
+  ENABLE(OPT_NORMALIZE)                          |
+  ENABLE(OPT_TAIL_RECURSION)                     |
+  ENABLE(OPT_PRECISE_EXC_CONTEXT)                |
+  0;
 
 /* set the flags with set_flagname, get the flag with get_flagname */
 void set_opt_cse (int value)
@@ -132,6 +136,20 @@ void set_opt_dead_node_elimination(int value)
     libFIRM_opt &= ~OPT_DEAD_NODE_ELIMINATION;
 }
 
+void set_opt_dead_method_elimination (int value) {
+  if (value)
+    libFIRM_opt |= OPT_DEAD_METHOD_ELIMINATION;
+  else
+    libFIRM_opt &= ~OPT_DEAD_METHOD_ELIMINATION;
+}
+
+void set_opt_dead_method_elimination_verbose (int value) {
+  if (value)
+    libFIRM_opt |= OPT_DEAD_METHOD_ELIMINATION_VERBOSE;
+  else
+    libFIRM_opt &= ~OPT_DEAD_METHOD_ELIMINATION_VERBOSE;
+}
+
 void set_optimize(int value)
 {
   if (value)
@@ -145,6 +163,7 @@ int get_optimize(void)
   return get_opt_optimize();
 }
 
+/* Enable/Disables inlining. */
 void set_opt_inline(int value)
 {
   if (value)
@@ -153,12 +172,7 @@ void set_opt_inline(int value)
     libFIRM_opt &= ~OPT_INLINE;
 }
 
-/** Enable/Disable optimization of dynamic method dispatch
- *
- * This flag enables/disables the optimization of dynamic method dispatch.
- * If the flag is turned on Sel nodes can be replaced by Const nodes representing
- * the address of a function.
- */
+/* Enable/Disable optimization of dynamic method dispatch */
 void set_opt_dyn_meth_dispatch (int value)
 {
   if (value)
@@ -167,6 +181,7 @@ void set_opt_dyn_meth_dispatch (int value)
     libFIRM_opt &= ~OPT_DYN_METH_DISPATCH;
 }
 
+/* Enable/Disable normalizations of the firm representation. */
 void set_opt_normalize(int value)
 {
   if (value)
@@ -175,6 +190,26 @@ void set_opt_normalize(int value)
     libFIRM_opt &= ~OPT_NORMALIZE;
 }
 
+/* Enable/Disable optimization of tail-recursion calls. */
+void set_opt_tail_recursion(int value)
+{
+  if (value)
+    libFIRM_opt |= OPT_TAIL_RECURSION;
+  else
+    libFIRM_opt &= ~OPT_TAIL_RECURSION;
+}
+
+/* Enable/Disable precise exception context. */
+void set_opt_precise_exc_context(int value)
+{
+#if PRECISE_EXC_CONTEXT
+  if (value)
+    libFIRM_opt |= OPT_PRECISE_EXC_CONTEXT;
+  else
+    libFIRM_opt &= ~OPT_PRECISE_EXC_CONTEXT;
+#endif
+}
+
 /* Save the current optimization state. */
 void save_optimization_state(optimization_state_t *state)
 {