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| author | Richard Biener <rguenther@suse.de> | 2016-01-28 09:10:30 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-01-28 09:10:30 +0000 |
| commit | 14ba8d6d0786acbda30f802dd6bc4d07f4df2e5f (patch) | |
| tree | a37a1ca3bba1f4fc5d479113637a1a45821b6cf0 /gcc/tree-vect-loop-manip.c | |
| parent | c132770ebfe92cfab34a79811022437dae051c3b (diff) | |
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re PR tree-optimization/69466 (ICE: Invalid PHI argument after vectorization (on -O2))
2016-01-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/69466
* tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
Account for PHIs we couldn't duplicate.
* gfortran.dg/vect/pr69466.f90: New testcase.
From-SVN: r232916
Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index f9fdf01..f8a44b5 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -727,17 +727,26 @@ slpeel_duplicate_current_defs_from_edges (edge from, edge to) for (gsi_from = gsi_start_phis (from->dest), gsi_to = gsi_start_phis (to->dest); - !gsi_end_p (gsi_from) && !gsi_end_p (gsi_to); - gsi_next (&gsi_from), gsi_next (&gsi_to)) + !gsi_end_p (gsi_from) && !gsi_end_p (gsi_to);) { gimple *from_phi = gsi_stmt (gsi_from); gimple *to_phi = gsi_stmt (gsi_to); tree from_arg = PHI_ARG_DEF_FROM_EDGE (from_phi, from); + if (TREE_CODE (from_arg) != SSA_NAME) + { + gsi_next (&gsi_from); + continue; + } tree to_arg = PHI_ARG_DEF_FROM_EDGE (to_phi, to); - if (TREE_CODE (from_arg) == SSA_NAME - && TREE_CODE (to_arg) == SSA_NAME - && get_current_def (to_arg) == NULL_TREE) + if (TREE_CODE (to_arg) != SSA_NAME) + { + gsi_next (&gsi_to); + continue; + } + if (get_current_def (to_arg) == NULL_TREE) set_current_def (to_arg, get_current_def (from_arg)); + gsi_next (&gsi_from); + gsi_next (&gsi_to); } } |