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Remove useless backedge marking 

I didn't find anything using EDGE_DFS_BACK in RTL infrastructure
used by var-tracking or var-tracking itself, the following removes
this computation.

2020-07-24  Richard Biener  <rguenther@suse.de>

	* var-tracking.c (variable_tracking_main_1): Remove call
	to mark_dfs_back_edges.
This commit is contained in:
Richard Biener 2020-07-24 16:50:59 +02:00
parent 55c9695cbe
commit 8e5584f7a1
1 changed files with 0 additions and 1 deletions
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gcc/var-tracking.c
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@ -10481,7 +10481,6 @@ variable_tracking_main_1 (void)
return 0;
}
mark_dfs_back_edges ();
if (!vt_initialize ())
{
vt_finalize ();