| commit | cfb3f666562fb4ab896a05c234a697afb63627a4 | |
| author | Richard Biener <rguenther@suse.de> | |
| Wed, 31 Jan 2024 09:42:48 +0000 (31 10:42 +0100) | ||
| committer | Richard Biener <rguenther@suse.de> | |
| Wed, 31 Jan 2024 12:43:21 +0000 (31 13:43 +0100) | ||
| tree | 231a594e66e4f28cc1b20b724e9c83bf0a99f989 | treesnapshot (tar.gz zip) |
| parent | ccd8da149f5b77ecbf8586b17c6ba79edf2bc745 | commitdiff |
tree-optimization/111444 - avoid insertions when skipping defs
The following avoids inserting expressions for IPA CP discovered
equivalences into the VN hashtables when we are optimistically
skipping may-defs in the attempt to prove it's redundant.
PR tree-optimization/111444
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Do not use
vn_reference_lookup_2 when optimistically skipping may-defs.
* gcc.dg/torture/pr111444.c: New testcase.
The following avoids inserting expressions for IPA CP discovered
equivalences into the VN hashtables when we are optimistically
skipping may-defs in the attempt to prove it's redundant.
PR tree-optimization/111444
* tree-ssa-sccvn.cc (vn_reference_lookup_3): Do not use
vn_reference_lookup_2 when optimistically skipping may-defs.
* gcc.dg/torture/pr111444.c: New testcase.
| gcc/testsuite/gcc.dg/torture/pr111444.c | [new file with mode: 0644] | blob |
| gcc/tree-ssa-sccvn.cc | diffblobblamehistory |