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| author | Martin Liska <mliska@suse.cz> | 2018-06-29 12:57:00 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-06-29 10:57:00 +0000 |
| commit | 3f10efd4ee4d62d2d7a94e518a3873687399879e (patch) | |
| tree | 61c798469db4638c2770f79b11eedd8bed4a2847 /gcc/tree-switch-conversion.c | |
| parent | 6475e077a091ea57b7442ed35feaf031728bdeb2 (diff) | |
| download | gcc-3f10efd4ee4d62d2d7a94e518a3873687399879e.zip gcc-3f10efd4ee4d62d2d7a94e518a3873687399879e.tar.gz gcc-3f10efd4ee4d62d2d7a94e518a3873687399879e.tar.bz2 | |
Fix bit-test expansion for single cluster (PR tree-optimization/86263).
2018-06-29 Martin Liska <mliska@suse.cz>
PR tree-optimization/86263
* tree-switch-conversion.c (switch_decision_tree::try_switch_expansion):
Make edge redirection.
2018-06-29 Martin Liska <mliska@suse.cz>
PR tree-optimization/86263
* gcc.dg/tree-ssa/pr86263.c: New test.
From-SVN: r262247
Diffstat (limited to 'gcc/tree-switch-conversion.c')
| -rw-r--r-- | gcc/tree-switch-conversion.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/tree-switch-conversion.c b/gcc/tree-switch-conversion.c index b79f2fd..4c9e7b9 100644 --- a/gcc/tree-switch-conversion.c +++ b/gcc/tree-switch-conversion.c @@ -1732,8 +1732,12 @@ switch_decision_tree::try_switch_expansion (vec<cluster *> &clusters) /* Do not do an extra work for a single cluster. */ if (clusters.length () == 1 && clusters[0]->get_type () != SIMPLE_CASE) - clusters[0]->emit (index_expr, index_type, - gimple_switch_default_label (m_switch), m_default_bb); + { + cluster *c = clusters[0]; + c->emit (index_expr, index_type, + gimple_switch_default_label (m_switch), m_default_bb); + redirect_edge_succ (single_succ_edge (bb), c->m_case_bb); + } else { emit (bb, index_expr, default_edge->probability, index_type); |