re PR tree-optimization/70729 (Loop marked with omp simd pragma is not vectorized)

re PR tree-optimization/70729 (Loop marked with omp simd pragma is not vectorized)

2016-05-19  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/70729
	* passes.def: Move LIM pass before PRE.  Remove no longer
	required copyprop and move first DCE out of the loop pipeline.

	* gcc.dg/autopar/outer-6.c: Adjust to avoid redundant store.
	* gcc.dg/graphite/scop-18.c: Likewise.
	* gcc.dg/pr41783.c: Disable LIM.
	* gcc.dg/tree-ssa/loadpre10.c: Likewise.
	* gcc.dg/tree-ssa/loadpre23.c: Likewise.
	* gcc.dg/tree-ssa/loadpre24.c: Likewise.
	* gcc.dg/tree-ssa/loadpre25.c: Likewise.
	* gcc.dg/tree-ssa/loadpre4.c: Likewise.
	* gcc.dg/tree-ssa/loadpre8.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-16.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-18.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-20.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-3.c: Likewise.
	* gfortran.dg/pr42108.f90: Likewise.

From-SVN: r236440