https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89487
--- Comment #6 from bin cheng <amker at gcc dot gnu.org> --- Author: amker Date: Mon Mar 4 01:38:25 2019 New Revision: 269361 URL: https://gcc.gnu.org/viewcvs?rev=269361&root=gcc&view=rev Log: PR tree-optimization/89487 * tree-loop-distribution.c (has_nonaddressable_dataref_p): New. (create_rdg_vertices): Compute has_nonaddressable_dataref_p. (distribute_loop): Don't do runtime alias check if there is non- addressable data reference. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL is a register variable. * gcc/testsuite/gcc.dg/tree-ssa/pr89487.c: New test. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/pr89487.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-loop-distribution.c trunk/gcc/tree-ssa-loop-ivopts.c
