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r180737 - in /trunk/gcc: ChangeLog tree-ssa-tai...


Author: vries
Date: Tue Nov  1 12:42:01 2011
New Revision: 180737

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180737
Log:
2011-11-01  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/50908
	* tree-ssa-tail-merge.c (update_vuses): Now that edges are removed
	before update_vuses, test for 1 predecessor rather than two.
	(delete_block_update_dominator_info): New function, part of it factored
	out of ...
	(replace_block_by): Use delete_block_update_dominator_info.  Call
	update_vuses after deleting bb1 and updating dominator info, instead of
	before.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-tail-merge.c


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