2017-10-11 Richard Biener <rguenther@suse.de>
* tree.def (POLYNOMIAL_CHREC): Remove CHREC_VARIABLE tree operand.
* tree-core.h (tree_base): Add chrec_var union member.
* tree.h (CHREC_VAR): Remove.
(CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE): Adjust.
* tree-chrec.h (build_polynomial_chrec): Adjust.
* tree-chrec.c (reset_evolution_in_loop): Use build_polynomial_chrec.
* tree-pretty-print.c (dump_generic_node): Use CHREC_VARIABLE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@253643 138bc75d-0d04-0410-961f-82ee72b054a4