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r186894 - in /trunk/gcc: ChangeLog tree-ssa-scc...


Author: vries
Date: Fri Apr 27 06:12:49 2012
New Revision: 186894

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186894
Log:
2012-04-27  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/51879
	* tree-ssa-sccvn.h (struct vn_reference_s): Add result_vdef field.
	* tree-ssa-sccvn.c (mark_use_processed): New function, factored out
	of ...
	(defs_to_varying): ... here.  Don't set use_processed.
	(visit_reference_op_call): Handle gimple_vdef.
	Handle case that lhs is NULL_TREE.
	(visit_use): Use mark_use_processed.  Handle calls with side-effect
	using visit_reference_op_call.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c
    trunk/gcc/tree-ssa-sccvn.h


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