| commit | ffb47768a19d0dc838b3808fc15ea53f8686df79 | |
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 4 Sep 2018 10:55:46 +0000 (4 10:55 +0000) | ||
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 4 Sep 2018 10:55:46 +0000 (4 10:55 +0000) | ||
| tree | 6f6ecfbfcc692b9233cf702e2437761aa05a4fb8 | treesnapshot (tar.gz zip) |
| parent | efdbcfb0b352c6ef10dfdf8e4d6e0efae71587fc | commitdiff |
2018-09-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/87176
* tree-ssa-sccvn.c (visit_phi): Remove redundant allsame
variable. When value-numbering a virtual PHI node make sure
to not value-number to the backedge value.
* gcc.dg/torture/pr87176.c: New testcase.
* gcc.dg/torture/ssa-fre-1.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@264077 138bc75d-0d04-0410-961f-82ee72b054a4
PR tree-optimization/87176
* tree-ssa-sccvn.c (visit_phi): Remove redundant allsame
variable. When value-numbering a virtual PHI node make sure
to not value-number to the backedge value.
* gcc.dg/torture/pr87176.c: New testcase.
* gcc.dg/torture/ssa-fre-1.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@264077 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/torture/pr87176.c | [new file with mode: 0644] | blob |
| gcc/testsuite/gcc.dg/torture/ssa-fre-1.c | [new file with mode: 0644] | blob |
| gcc/tree-ssa-sccvn.c | diffblobblamehistory |