2008-11-03  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/36908
	* testsuite/gcc.dg/tree-ssa/pr36908.c: New.
	* tree-loop-distribution.c (number_of_rw_in_rdg): New.
	(number_of_rw_in_partition): New.
	(partition_contains_all_rw): New.
	(ldist_gen): Do not distribute when one of the partitions
	contains all the memory operations.

From-SVN: r141550