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cgraph.c (cgraph_redirect_edge_call_stmt_to_callee): Fix formatting...

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* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee): Fix formatting;
	fix edge count/frequency when speculation failed; fix type check
	for the direct call.

From-SVN: r201999
This commit is contained in:
Jan Hubicka 2013-08-26 17:29:28 +02:00 committed by Jan Hubicka
parent e067bd4339
commit a21e735ed5
2 changed files with 36 additions and 14 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-08-26 Jan Hubicka <jh@suse.cz>
* cgraph.c (cgraph_redirect_edge_call_stmt_to_callee): Fix formatting;
fix edge count/frequency when speculation failed; fix type check
for the direct call.
2013-08-26 Jan Hubicka <jh@suse.cz>
* ipa-prop.c (ipa_print_node_params): Do not ICE during WPA.

44
gcc/cgraph.c
View File

@ -1306,29 +1306,44 @@ cgraph_redirect_edge_call_stmt_to_callee (struct cgraph_edge *e)
struct ipa_ref *ref;
cgraph_speculative_call_info (e, e, e2, ref);
/* If there already is an direct call (i.e. as a result of inliner's substitution),
forget about speculating. */
/* If there already is an direct call (i.e. as a result of inliner's
substitution), forget about speculating. */
if (decl)
e = cgraph_resolve_speculation (e, decl);
/* If types do not match, speculation was likely wrong. */
else if (!gimple_check_call_matching_types (e->call_stmt, e->callee->symbol.decl,
/* If types do not match, speculation was likely wrong.
The direct edge was posisbly redirected to the clone with a different
signature. We did not update the call statement yet, so compare it
with the reference that still points to the proper type. */
else if (!gimple_check_call_matching_types (e->call_stmt,
ref->referred->symbol.decl,
true))
{
if (dump_file)
fprintf (dump_file, "Not expanding speculative call of %s/%i -> %s/%i\n"
"Type mismatch.\n",
xstrdup (cgraph_node_name (e->caller)), e->caller->symbol.order,
xstrdup (cgraph_node_name (e->callee)), e->callee->symbol.order);
xstrdup (cgraph_node_name (e->caller)),
e->caller->symbol.order,
xstrdup (cgraph_node_name (e->callee)),
e->callee->symbol.order);
e = cgraph_resolve_speculation (e, NULL);
/* We are producing the final function body and will throw away the
callgraph edges really soon. Reset the counts/frequencies to
keep verifier happy in the case of roundoff errors. */
e->count = gimple_bb (e->call_stmt)->count;
e->frequency = compute_call_stmt_bb_frequency
(e->caller->symbol.decl, gimple_bb (e->call_stmt));
}
/* Expand speculation into GIMPLE code. */
else
{
if (dump_file)
fprintf (dump_file, "Expanding speculative call of %s/%i -> %s/%i count:"
fprintf (dump_file,
"Expanding speculative call of %s/%i -> %s/%i count:"
HOST_WIDEST_INT_PRINT_DEC"\n",
xstrdup (cgraph_node_name (e->caller)), e->caller->symbol.order,
xstrdup (cgraph_node_name (e->callee)), e->callee->symbol.order,
xstrdup (cgraph_node_name (e->caller)),
e->caller->symbol.order,
xstrdup (cgraph_node_name (e->callee)),
e->callee->symbol.order,
(HOST_WIDEST_INT)e->count);
gcc_assert (e2->speculative);
push_cfun (DECL_STRUCT_FUNCTION (e->caller->symbol.decl));
@ -1342,11 +1357,12 @@ cgraph_redirect_edge_call_stmt_to_callee (struct cgraph_edge *e)
: REG_BR_PROB_BASE / 2,
e->count, e->count + e2->count);
e->speculative = false;
cgraph_set_call_stmt_including_clones (e->caller, e->call_stmt, new_stmt, false);
e->frequency = compute_call_stmt_bb_frequency (e->caller->symbol.decl,
gimple_bb (e->call_stmt));
e2->frequency = compute_call_stmt_bb_frequency (e2->caller->symbol.decl,
gimple_bb (e2->call_stmt));
cgraph_set_call_stmt_including_clones (e->caller, e->call_stmt,
new_stmt, false);
e->frequency = compute_call_stmt_bb_frequency
(e->caller->symbol.decl, gimple_bb (e->call_stmt));
e2->frequency = compute_call_stmt_bb_frequency
(e2->caller->symbol.decl, gimple_bb (e2->call_stmt));
e2->speculative = false;
ref->speculative = false;
ref->stmt = NULL;