https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109046
--- Comment #2 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:eb337d28c32b1b460cc85b3c00f8418ca535c77b commit r13-6624-geb337d28c32b1b460cc85b3c00f8418ca535c77b Author: Richard Biener <rguent...@suse.de> Date: Tue Mar 7 11:04:55 2023 +0100 tree-optimization/109046 - re-combine complex loads The following addresses PR109046 by adding an optimization to forwprop to combine a piecewise complex load to a complex load when there are no other uses of the components. That's something useful in general and easier to do than avoiding the splitting in complex lowering. The testcase exercises both the manual and the complex lowering case. PR tree-optimization/109046 * tree-ssa-forwprop.cc (pass_forwprop::execute): Combine piecewise complex loads. * gcc.dg/tree-ssa/forwprop-39.c: New testcase.
