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| author | Richard Biener <rguenther@suse.de> | 2018-09-04 10:55:46 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-09-04 10:55:46 +0000 |
| commit | c2c51a3e358294b5ddfa522fa4d973c3360699b4 (patch) | |
| tree | 6f6ecfbfcc692b9233cf702e2437761aa05a4fb8 /gcc/tree-vrp.c | |
| parent | 727c8c82e14021cad992443bb32693293a55e33d (diff) | |
| download | gcc-c2c51a3e358294b5ddfa522fa4d973c3360699b4.zip gcc-c2c51a3e358294b5ddfa522fa4d973c3360699b4.tar.gz gcc-c2c51a3e358294b5ddfa522fa4d973c3360699b4.tar.bz2 | |
re PR tree-optimization/87176 (wrong code at -Os and above on x86-64-linux-gnu)
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.
From-SVN: r264077
Diffstat (limited to 'gcc/tree-vrp.c')
0 files changed, 0 insertions, 0 deletions