2008-05-16 Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/invoke.text (-fdump-tree-*-verbose): New option.
	* tree-dump.c (dump_options): New verbose option.
	* tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
	Add verbose dump.
	* tree-pass.h (TDF_VERBOSE): New dump flag.
	* print-tree.c (print_node): Added code to be able to print
	PHI_NODES.
	(tree-flow.h): Added include.
	Makefile.in (print-tree.o):  Added TREE_FLOW_H.




git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@135417 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 15 deletions

diff --git a/gcc/print-tree.c b/gcc/print-tree.c
index 4745491de56..3b34f89d41c 100644
--- a/gcc/print-tree.c
+++ b/gcc/print-tree.c
@@ -29,6 +29,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "ggc.h"
 #include "langhooks.h"
 #include "tree-iterator.h"
+#include "tree-flow.h"
 
 /* Define the hash table of nodes already seen.
    Such nodes are not repeated; brief cross-references are used.  */
@@ -221,21 +222,25 @@ print_node (FILE *file, const char *prefix, tree node, int indent)
       return;
     }
 
-  hash = ((unsigned long) node) % HASH_SIZE;
-
-  /* If node is in the table, just mention its address.  */
-  for (b = table[hash]; b; b = b->next)
-    if (b->node == node)
-      {
-	print_node_brief (file, prefix, node, indent);
-	return;
-      }
-
-  /* Add this node to the table.  */
-  b = XNEW (struct bucket);
-  b->node = node;
-  b->next = table[hash];
-  table[hash] = b;
+  /* Allow this function to be called if the table is not there.  */
+  if (table)
+    {
+      hash = ((unsigned long) node) % HASH_SIZE;
+      
+      /* If node is in the table, just mention its address.  */
+      for (b = table[hash]; b; b = b->next)
+	if (b->node == node)
+	  {
+	    print_node_brief (file, prefix, node, indent);
+	    return;
+	  }
+      
+      /* Add this node to the table.  */
+      b = XNEW (struct bucket);
+      b->node = node;
+      b->next = table[hash];
+      table[hash] = b;
+    }
 
   /* Indent to the specified column, since this is the long form.  */
   indent_to (file, indent);
@@ -906,6 +911,12 @@ print_node (FILE *file, const char *prefix, tree node, int indent)
 	    }
 	  break;
 
+	case PHI_NODE:
+	  print_node (file, "result", PHI_RESULT (node), indent + 4);
+	  for (i = 0; i < PHI_NUM_ARGS (node); i++)
+	    print_node (file, "arg", PHI_ARG_DEF (node, i), indent + 4);
+	  break;
+
 	case OMP_CLAUSE:
 	    {
 	      int i;