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| author | Dorit Naishlos <dorit@il.ibm.com> | 2004-11-14 18:25:33 +0000 |
|---|---|---|
| committer | Dorit Nuzman <dorit@gcc.gnu.org> | 2004-11-14 18:25:33 +0000 |
| commit | 4951c3fd4cf321e46d44f08b01b3e07476d27de2 (patch) | |
| tree | 764fd71b6c4ca088f3c911386d45d5b5575c5818 /gcc/tree-vectorizer.c | |
| parent | 9beeb4ee4c1bf42a2d3a66d75d250cf20c9c1f9f (diff) | |
| download | gcc-4951c3fd4cf321e46d44f08b01b3e07476d27de2.zip gcc-4951c3fd4cf321e46d44f08b01b3e07476d27de2.tar.gz gcc-4951c3fd4cf321e46d44f08b01b3e07476d27de2.tar.bz2 | |
re PR tree-optimization/18425 (ICE in vector.tcc when -ftree-vectorize enabled)
2004-11-14 Dorit Naishlos <dorit@il.ibm.com>
Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/18425
* tree-vectorize.c (vect_build_loop_niters): Do not insert
NULL into the instruction stream. Initialize new_bb to NULL.
(vect_update_ivs_after_vectorizer): Likewise.
(vect_gen_niters_for_prolog_loop): Likewise.
Co-Authored-By: Andrew Pinski <pinskia@physics.uc.edu>
From-SVN: r90625
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index e1095f5..e013302 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -2684,7 +2684,7 @@ vect_build_loop_niters (loop_vec_info loop_vinfo) { tree ni_name, stmt, var; edge pe; - basic_block new_bb; + basic_block new_bb = NULL; struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo); tree ni = unshare_expr (LOOP_VINFO_NITERS(loop_vinfo)); @@ -2702,7 +2702,8 @@ vect_build_loop_niters (loop_vec_info loop_vinfo) ni_name = force_gimple_operand (ni, &stmt, false, var); pe = loop_preheader_edge (loop); - new_bb = bsi_insert_on_edge_immediate (pe, stmt); + if (stmt) + new_bb = bsi_insert_on_edge_immediate (pe, stmt); if (new_bb) add_bb_to_loop (new_bb, EDGE_PRED (new_bb, 0)->src->loop_father); @@ -3115,7 +3116,8 @@ vect_gen_niters_for_prolog_loop (loop_vec_info loop_vinfo, tree niters) /* Insert stmt on loop preheader edge. */ pe = loop_preheader_edge (loop); - new_bb = bsi_insert_on_edge_immediate (pe, stmt); + if (stmt) + new_bb = bsi_insert_on_edge_immediate (pe, stmt); if (new_bb) add_bb_to_loop (new_bb, EDGE_PRED (new_bb, 0)->src->loop_father); |