Sebastian Pop 479c1fb3fa Fix PRs 46834, 46994, and 46995: only rewrite reductions not containing other computations.
2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46834
	PR tree-optimization/46994
	PR tree-optimization/46995
	* graphite-sese-to-poly.c (used_outside_reduction): New.
	(detect_commutative_reduction): Call used_outside_reduction.
	(rewrite_commutative_reductions_out_of_ssa_close_phi): Call
	translate_scalar_reduction_to_array only when at least one
	loop-phi/close-phi tuple has been detected.

	* gcc.dg/graphite/id-pr46834.c: New.
	* gfortran.dg/graphite/id-pr46994.f90: New.
	* gfortran.dg/graphite/id-pr46995.f90: New.

From-SVN: r169928
2011-02-08 16:53:57 +00:00
2010-09-27 20:19:41 +00:00
2011-01-07 14:34:04 +00:00
2011-02-08 09:43:53 +00:00
2010-04-02 18:18:06 +00:00
2010-11-19 20:25:49 +00:00

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