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| author | Richard Guenther <rguenther@suse.de> | 2010-01-17 15:58:08 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-01-17 15:58:08 +0000 |
| commit | 9adf0570ff15ff5e3df45426bf159e6f4e5a8b3e (patch) | |
| tree | 5326b27eefa12a777f779cd86ee6268bba5cc35f /gcc/tree-ssa-pre.c | |
| parent | d2143a2f9df360029146893efa06d792a84c4ec0 (diff) | |
| download | gcc-9adf0570ff15ff5e3df45426bf159e6f4e5a8b3e.tar.gz | |
re PR tree-optimization/42773 (ICE with g++ from 4.4.3 20100112 (prerelease))
2010-01-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42773
* tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
(compute_antic_aux): Likewise.
(compute_partial_antic_aux): Likewise.
* g++.dg/torture/pr42773.C: New testcase.
From-SVN: r155982
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index cafebe67770..c1e5cd7c701 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1823,7 +1823,7 @@ phi_translate_set (bitmap_set_t dest, bitmap_set_t set, basic_block pred, pre_expr expr; int i; - if (!phi_nodes (phiblock)) + if (gimple_seq_empty_p (phi_nodes (phiblock))) { bitmap_set_copy (dest, set); return; @@ -2269,14 +2269,14 @@ compute_antic_aux (basic_block block, bool block_has_abnormal_pred_edge) goto maybe_dump_sets; } - if (phi_nodes (first)) + if (!gimple_seq_empty_p (phi_nodes (first))) phi_translate_set (ANTIC_OUT, ANTIC_IN (first), block, first); else bitmap_set_copy (ANTIC_OUT, ANTIC_IN (first)); for (i = 0; VEC_iterate (basic_block, worklist, i, bprime); i++) { - if (phi_nodes (bprime)) + if (!gimple_seq_empty_p (phi_nodes (bprime))) { bitmap_set_t tmp = bitmap_set_new (); phi_translate_set (tmp, ANTIC_IN (bprime), block, bprime); @@ -2426,7 +2426,7 @@ compute_partial_antic_aux (basic_block block, FOR_EACH_EXPR_ID_IN_SET (ANTIC_IN (bprime), i, bi) bitmap_value_insert_into_set (PA_OUT, expression_for_id (i)); - if (phi_nodes (bprime)) + if (!gimple_seq_empty_p (phi_nodes (bprime))) { bitmap_set_t pa_in = bitmap_set_new (); phi_translate_set (pa_in, PA_IN (bprime), block, bprime); |