2016-04-18 Richard Biener <rguenther@suse.de>

2016-04-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/43434
	* tree-ssa-structalias.c (struct vls_data): New.
	(visit_loadstore): Handle all pointer-based accesses.
	(compute_dependence_clique): Compute a bitmap of restrict tags
	assigned bases and pass it to visit_loadstore.

	* gcc.dg/vect/pr43434.c: New testcase.
	* c-c++-common/goacc/kernels-alias-3.c: Adjust.
	* c-c++-common/goacc/kernels-alias-4.c: Likewise.
	* c-c++-common/goacc/kernels-alias-5.c: Likewise.
	* c-c++-common/goacc/kernels-alias-6.c: Likewise.
	* c-c++-common/goacc/kernels-alias-7.c: Likewise.
	* c-c++-common/goacc/kernels-alias-8.c: Likewise.
	* gcc.dg/gomp/pr68640.c: Likewise.
	* gfortran.dg/goacc/kernels-alias-3.f95: Likewise.
	* gfortran.dg/goacc/kernels-alias-4.f95: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235147 138bc75d-0d04-0410-961f-82ee72b054a4