https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88903
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Fri Jan 18 13:13:21 2019 New Revision: 268076 URL: https://gcc.gnu.org/viewcvs?rev=268076&root=gcc&view=rev Log: 2019-01-18 Richard Biener <rguent...@suse.de> PR tree-optimization/88903 * tree-vect-stmts.c (vectorizable_shift): Verify we see all scalar stmts a SLP shift amount is composed of when detecting shifts by scalars. * gcc.dg/vect/pr88903-1.c: New testcase. * gcc.dg/vect/pr88903-2.c: Likewise. Added: trunk/gcc/testsuite/gcc.dg/vect/pr88903-1.c trunk/gcc/testsuite/gcc.dg/vect/pr88903-2.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vect-stmts.c