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-rw-r--r--gcc/except.c49
1 files changed, 41 insertions, 8 deletions
diff --git a/gcc/except.c b/gcc/except.c
index e3a9ef07422..254dd8c32ae 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -1344,6 +1344,28 @@ sjlj_emit_dispatch_table (rtx dispatch_label, int num_dispatch)
e = make_edge (bb, bb->next_bb, EDGE_FALLTHRU);
e->count = bb->count;
e->probability = REG_BR_PROB_BASE;
+ if (current_loops)
+ {
+ struct loop *loop = bb->next_bb->loop_father;
+ /* If we created a pre-header block, add the new block to the
+ outer loop, otherwise to the loop itself. */
+ if (bb->next_bb == loop->header)
+ add_bb_to_loop (bb, loop_outer (loop));
+ else
+ add_bb_to_loop (bb, loop);
+ /* ??? For multiple dispatches we will end up with edges
+ from the loop tree root into this loop, making it a
+ multiple-entry loop. Discard all affected loops. */
+ if (num_dispatch > 1)
+ {
+ for (loop = bb->loop_father;
+ loop_outer (loop); loop = loop_outer (loop))
+ {
+ loop->header = NULL;
+ loop->latch = NULL;
+ }
+ }
+ }
disp_index++;
}
@@ -1364,6 +1386,24 @@ sjlj_emit_dispatch_table (rtx dispatch_label, int num_dispatch)
e = make_edge (bb, bb->next_bb, EDGE_FALLTHRU);
e->count = bb->count;
e->probability = REG_BR_PROB_BASE;
+ if (current_loops)
+ {
+ struct loop *loop = bb->next_bb->loop_father;
+ /* If we created a pre-header block, add the new block to the
+ outer loop, otherwise to the loop itself. */
+ if (bb->next_bb == loop->header)
+ add_bb_to_loop (bb, loop_outer (loop));
+ else
+ add_bb_to_loop (bb, loop);
+ }
+ }
+ else
+ {
+ /* We are not wiring up edges here, but as the dispatcher call
+ is at function begin simply associate the block with the
+ outermost (non-)loop. */
+ if (current_loops)
+ add_bb_to_loop (bb, current_loops->tree_root);
}
}
@@ -2774,8 +2814,6 @@ output_ttype (tree type, int tt_format, int tt_format_size)
value = const0_rtx;
else
{
- struct varpool_node *node;
-
/* FIXME lto. pass_ipa_free_lang_data changes all types to
runtime types so TYPE should already be a runtime type
reference. When pass_ipa_free_lang data is made a default
@@ -2794,12 +2832,7 @@ output_ttype (tree type, int tt_format, int tt_format_size)
{
type = TREE_OPERAND (type, 0);
if (TREE_CODE (type) == VAR_DECL)
- {
- node = varpool_node (type);
- if (node)
- varpool_mark_needed_node (node);
- is_public = TREE_PUBLIC (type);
- }
+ is_public = TREE_PUBLIC (type);
}
else
gcc_assert (TREE_CODE (type) == INTEGER_CST);