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| author | Richard Biener <rguenther@suse.de> | 2018-05-17 06:57:45 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-05-17 06:57:45 +0000 |
| commit | 773d0331f7456614f9f7e619e642946d9bdc638a (patch) | |
| tree | 548ff0f2efa59788903cd0e6dc22e20a8d9a7156 /gcc/config.gcc | |
| parent | 8ee520219f795fc363d90c1e92ebad642d0e9f69 (diff) | |
| download | gcc-773d0331f7456614f9f7e619e642946d9bdc638a.zip gcc-773d0331f7456614f9f7e619e642946d9bdc638a.tar.gz gcc-773d0331f7456614f9f7e619e642946d9bdc638a.tar.bz2 | |
re PR tree-optimization/85757 (tree optimizers fail to fully clean up fixed-size memcpy)
2018-05-17 Richard Biener <rguenther@suse.de>
PR tree-optimization/85757
* tree-ssa-dse.c (dse_classify_store): Record a PHI def and
remove defs that only feed that PHI from further processing.
* gcc.dg/tree-ssa/ssa-dse-34.c: New testcase.
From-SVN: r260306
Diffstat (limited to 'gcc/config.gcc')
0 files changed, 0 insertions, 0 deletions