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re PR tree-optimization/83189 (internal compiler error: in probability_in, at profile-count.h:1050)

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PR middle-end/83189
	* gimple-ssa-isolate-paths.c (isolate_path): Fix profile update.

From-SVN: r256545
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Jan Hubicka 2018-01-11 18:47:20 +01:00 committed by Jan Hubicka
parent 0526ed2aef
commit c2893c6e1f
2 changed files with 8 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2018-01-11 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83189
* gimple-ssa-isolate-paths.c (isolate_path): Fix profile update.
2018-01-11 Jan Hubicka <hubicka@ucw.cz>
PR middle-end/83718

4
gcc/gimple-ssa-isolate-paths.c
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@ -138,6 +138,7 @@ isolate_path (basic_block bb, basic_block duplicate,
edge_iterator ei;
edge e2;
bool impossible = true;
profile_count count = e->count ();
for (si = gsi_start_bb (bb); gsi_stmt (si) != stmt; gsi_next (&si))
if (stmt_can_terminate_bb_p (gsi_stmt (si)))
@ -154,11 +155,12 @@ isolate_path (basic_block bb, basic_block duplicate,
if (!duplicate)
{
duplicate = duplicate_block (bb, NULL, NULL);
bb->count = profile_count::zero ();
duplicate->count = profile_count::zero ();
if (!ret_zero)
for (ei = ei_start (duplicate->succs); (e2 = ei_safe_edge (ei)); )
remove_edge (e2);
}
bb->count -= count;
/* Complete the isolation step by redirecting E to reach DUPLICATE. */
e2 = redirect_edge_and_branch (e, duplicate);