| commit | 8d6419db2cd99949022cd76cf6b1d0f93be0394b | |
| author | Richard Biener <rguenther@suse.de> | |
| Mon, 25 Mar 2019 13:53:50 +0000 (25 13:53 +0000) | ||
| committer | Richard Biener <rguenth@gcc.gnu.org> | |
| Mon, 25 Mar 2019 13:53:50 +0000 (25 13:53 +0000) | ||
| tree | 3cd097e459f74ad756f2e348123284a774b9b32f | treesnapshot (tar.gz zip) |
| parent | be5ce04a6135e0aee4187ec1a1f167f403e0f856 | commitdiff |
re PR tree-optimization/89789 (Compile time hog during RPO VN)
2019-03-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/89789
* tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
changes from non-undefined back to undefined.
* gcc.dg/torture/pr89789.c: New testcase.
From-SVN: r269917
2019-03-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/89789
* tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
changes from non-undefined back to undefined.
* gcc.dg/torture/pr89789.c: New testcase.
From-SVN: r269917
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/torture/pr89789.c | [new file with mode: 0644] | blob |
| gcc/tree-ssa-sccvn.c | diffblobblamehistory |