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| author | Richard Biener <rguenther@suse.de> | 2018-11-22 09:50:58 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-11-22 09:50:58 +0000 |
| commit | d42ef0f85fa3ceacfa64fdded5c08f5bfb669185 (patch) | |
| tree | 86c57e438ca0390f3f126a184af301120fb8cddd /gcc | |
| parent | e15bac63bad1cae4efa93f9b783e0397bca13f1d (diff) | |
| download | gcc-d42ef0f85fa3ceacfa64fdded5c08f5bfb669185.zip gcc-d42ef0f85fa3ceacfa64fdded5c08f5bfb669185.tar.gz gcc-d42ef0f85fa3ceacfa64fdded5c08f5bfb669185.tar.bz2 | |
re PR tree-optimization/88069 (ICE in check_loop_closed_ssa_def, at tree-ssa-loop-manip.c:709)
2018-11-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/88069
* tree-ssa-sccvn.c (visit_phi): Tweak previous fix to not
apply to default defs.
From-SVN: r266371
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-sccvn.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9899320..f1f6b83 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-11-22 Richard Biener <rguenther@suse.de> + + PR tree-optimization/88069 + * tree-ssa-sccvn.c (visit_phi): Tweak previous fix to not + apply to default defs. + 2018-11-22 Jakub Jelinek <jakub@redhat.com> PR target/85644 diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index 941752e..17d9f5e 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -4205,6 +4205,7 @@ visit_phi (gimple *phi, bool *inserted, bool backedges_varying_p) given that allows us to escape a region in alias walking. */ || (sameval && TREE_CODE (sameval) == SSA_NAME + && !SSA_NAME_IS_DEFAULT_DEF (sameval) && SSA_NAME_IS_VIRTUAL_OPERAND (sameval) && (SSA_VAL (sameval, &visited_p), !visited_p))) /* Note this just drops to VARYING without inserting the PHI into |