This fixes ICEs when dumping PTA pass details (I'm pretty sure
it will not fix PR56716, but this issue is reported there, too).
Bootstrap and regtest running on x86_64-unknown-linux-gnu.
Richard.
2013-03-27 Richard Biener <rguent...@suse.de>
PR tree-optimization/56716
* tree-ssa-structalias.c (perform_var_substitution): Adjust
dumping for ref nodes.
Index: gcc/tree-ssa-structalias.c
===================================================================
--- gcc/tree-ssa-structalias.c (revision 197158)
+++ gcc/tree-ssa-structalias.c (working copy)
@@ -2292,18 +2292,37 @@ perform_var_substitution (constraint_gra
{
unsigned j = si->node_mapping[i];
if (j != i)
- fprintf (dump_file, "%s node id %d (%s) mapped to SCC leader "
- "node id %d (%s)\n",
- bitmap_bit_p (graph->direct_nodes, i)
- ? "Direct" : "Indirect", i, get_varinfo (i)->name,
- j, get_varinfo (j)->name);
+ {
+ fprintf (dump_file, "%s node id %d ",
+ bitmap_bit_p (graph->direct_nodes, i)
+ ? "Direct" : "Indirect", i);
+ if (i < FIRST_REF_NODE)
+ fprintf (dump_file, "\"%s\"", get_varinfo (i)->name);
+ else
+ fprintf (dump_file, "\"*%s\"",
+ get_varinfo (i - FIRST_REF_NODE)->name);
+ fprintf (dump_file, " mapped to SCC leader node id %d ", j);
+ if (j < FIRST_REF_NODE)
+ fprintf (dump_file, "\"%s\"\n", get_varinfo (j)->name);
+ else
+ fprintf (dump_file, "\"*%s\"\n",
+ get_varinfo (j - FIRST_REF_NODE)->name);
+ }
else
- fprintf (dump_file,
- "Equivalence classes for %s node id %d (%s): pointer %d"
- ", location %d\n",
- bitmap_bit_p (graph->direct_nodes, i)
- ? "direct" : "indirect", i, get_varinfo (i)->name,
- graph->pointer_label[i], graph->loc_label[i]);
+ {
+ fprintf (dump_file,
+ "Equivalence classes for %s node id %d ",
+ bitmap_bit_p (graph->direct_nodes, i)
+ ? "direct" : "indirect", i);
+ if (i < FIRST_REF_NODE)
+ fprintf (dump_file, "\"%s\"", get_varinfo (i)->name);
+ else
+ fprintf (dump_file, "\"*%s\"",
+ get_varinfo (i - FIRST_REF_NODE)->name);
+ fprintf (dump_file,
+ ": pointer %d, location %d\n",
+ graph->pointer_label[i], graph->loc_label[i]);
+ }
}
/* Quickly eliminate our non-pointer variables. */
