https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94949
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>: https://gcc.gnu.org/g:0424a5ece5307cc22bbc0fe97edf4707d7a798ed commit r11-67-g0424a5ece5307cc22bbc0fe97edf4707d7a798ed Author: Richard Biener <rguent...@suse.de> Date: Tue May 5 11:00:09 2020 +0200 tree-optimization/94949 - fix load eliding in SM This fixes the case of not using the multithreaded model when only conditionally storing to the destination. We cannot elide the load in this case. 2020-05-05 Richard Biener <rguent...@suse.de> PR tree-optimization/94949 * tree-ssa-loop-im.c (execute_sm): Check whether we use the multithreaded model or always compute the stored value before eliding a load. * gcc.dg/torture/pr94949.c: New testcase.
