procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

re PR lto/44248 (-fcompare-debug failure with -flto/-fwhopr -g)

Browse source 
PR debug/44248
* lto-streamer-in.c (input_bb): Leave debug stmts alone.
(input_function): Drop them here, if VTA is disabled.

From-SVN: r161056
This commit is contained in:
Alexandre Oliva 2010-06-20 23:57:54 +00:00 • committed by Alexandre Oliva
parent dedd9d0500
commit 7254364e60
2 changed files with 24 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
gcc/ChangeLog
View file

@ -1,3 +1,9 @@
2010-06-20 Alexandre Oliva <aoliva@redhat.com>
PR debug/44248
* lto-streamer-in.c (input_bb): Leave debug stmts alone.
(input_function): Drop them here, if VTA is disabled.
2010-06-20 Uros Bizjak <ubizjak@gmail.com>
PR target/44546

28
gcc/lto-streamer-in.c
View file

@ -1204,13 +1204,6 @@ input_bb (struct lto_input_block *ib, enum LTO_tags tag,
{
gimple stmt = input_gimple_stmt (ib, data_in, fn, tag);
/* Change debug stmts to nops on-the-fly if we do not have VTA enabled.
This allows us to build for example static libs with debugging
enabled and do the final link without. */
if (!MAY_HAVE_DEBUG_STMTS
&& is_gimple_debug (stmt))
stmt = gimple_build_nop ();
find_referenced_vars_in (stmt);
gsi_insert_after (&bsi, stmt, GSI_NEW_STMT);
@ -1370,11 +1363,26 @@ input_function (tree fn_decl, struct data_in *data_in,
stmts = (gimple *) xcalloc (gimple_stmt_max_uid (fn), sizeof (gimple));
FOR_ALL_BB (bb)
{
gimple_stmt_iterator bsi;
for (bsi = gsi_start_bb (bb); !gsi_end_p (bsi); gsi_next (&bsi))
gimple_stmt_iterator bsi = gsi_start_bb (bb);
while (!gsi_end_p (bsi))
{
gimple stmt = gsi_stmt (bsi);
stmts[gimple_uid (stmt)] = stmt;
/* If we're recompiling LTO objects with debug stmts but
we're not supposed to have debug stmts, remove them now.
We can't remove them earlier because this would cause uid
mismatches in fixups, but we can do it at this point, as
long as debug stmts don't require fixups. */
if (!MAY_HAVE_DEBUG_STMTS && is_gimple_debug (stmt))
{
gimple_stmt_iterator gsi = bsi;
gsi_next (&bsi);
gsi_remove (&gsi, true);
}
else
{
gsi_next (&bsi);
stmts[gimple_uid (stmt)] = stmt;
}
}
}