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Commit fbd7e877 authored by Richard Biener's avatar Richard Biener Committed by Richard Biener
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re PR tree-optimization/56787 (Vectorization fails because of CLOBBER statements) 

2013-05-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56787
	* tree-vect-data-refs.c (vect_analyze_data_refs): Drop clobbers
	from the list of data references.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Skip
	clobbers.
	(vect_analyze_loop_operations): Likewise.
	(vect_transform_loop): Remove clobbers.

	* gcc.dg/vect/pr56787.c: New testcase.

From-SVN: r199380
parent bbba1117
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