gcc/ChangeLog:

2018-07-06  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>

	* tree-ssa-phiopt.c (cond_removal_in_popcount_pattern): New.
	(tree_ssa_phiopt_worker): Call cond_removal_in_popcount_pattern.

gcc/testsuite/ChangeLog:

2018-07-06  Kugan Vivekanandarajah  <kugan.vivekanandarajah@linaro.org>

	* gcc.dg/tree-ssa/phi-opt-16.c: New test.
	* gcc.dg/tree-ssa/phi-opt-17.c: New test.
	* gcc.dg/tree-ssa/phi-opt-18.c: New test.
	* gcc.dg/tree-ssa/phi-opt-19.c: New test.
	* gcc.dg/tree-ssa/popcount3.c: New test.

From-SVN: r262488