diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-vrp.c | 5 |
2 files changed, 7 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 31f251d..e486fd0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2010-02-17 Richard Guenther <rguenther@suse.de> + + * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis + to loop PHI nodes. + 2010-02-17 Jakub Jelinek <jakub@redhat.com> PR debug/42918 diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 2f0f059..152d389 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -6318,11 +6318,10 @@ vrp_visit_phi_node (gimple phi) } /* If this is a loop PHI node SCEV may known more about its - value-range. - ??? Identify loop PHI nodes properly. */ + value-range. */ if (current_loops && (l = loop_containing_stmt (phi)) - && loop_outer (l)) + && l->header == gimple_bb (phi)) adjust_range_with_scev (&vr_result, l, phi, lhs); if (vr_result.type == VR_VARYING) |