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| author | Richard Biener <rguenther@suse.de> | 2019-06-06 07:32:44 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-06-06 07:32:44 +0000 |
| commit | 8ce6fb5fec60f0ce6363d2a41f30e5fc620a4beb (patch) | |
| tree | 7394a568931edeb98af3a8d7ae2e512a1ee71833 /gcc/vr-values.c | |
| parent | ed315c041f48f491d6310fe83810bb93cc3e5d17 (diff) | |
| download | gcc-8ce6fb5fec60f0ce6363d2a41f30e5fc620a4beb.zip gcc-8ce6fb5fec60f0ce6363d2a41f30e5fc620a4beb.tar.gz gcc-8ce6fb5fec60f0ce6363d2a41f30e5fc620a4beb.tar.bz2 | |
vr-values.c (vr_values::extract_range_from_ssa_name): Do not put equivalences on UNDEFINED ranges.
2019-06-06 Richard Biener <rguenther@suse.de>
* vr-values.c (vr_values::extract_range_from_ssa_name): Do not
put equivalences on UNDEFINED ranges.
* gimple-ssa-evrp.c (evrp_dom_walker::before_dom_children):
Make sure to drop defs of stmts added during simplification
to VARYING.
From-SVN: r271990
Diffstat (limited to 'gcc/vr-values.c')
| -rw-r--r-- | gcc/vr-values.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/vr-values.c b/gcc/vr-values.c index b401516..9e58cbf 100644 --- a/gcc/vr-values.c +++ b/gcc/vr-values.c @@ -719,7 +719,8 @@ vr_values::extract_range_from_ssa_name (value_range *vr, tree var) else vr->set (var); - vr->equiv_add (var, get_value_range (var), &vrp_equiv_obstack); + if (!vr->undefined_p ()) + vr->equiv_add (var, get_value_range (var), &vrp_equiv_obstack); } /* Extract range information from a binary expression OP0 CODE OP1 based on |