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| author | Richard Biener <rguenther@suse.de> | 2013-01-29 10:40:24 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-01-29 10:40:24 +0000 |
| commit | 83ba4d6f2be5937e715f2638085906c06a9989ea (patch) | |
| tree | de87867db191833134dc4c1645b277f691390452 /gcc/tree-ssa-dom.c | |
| parent | 5893f1589ac718724167e06bce2759ea3339560f (diff) | |
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re PR rtl-optimization/55270 (ICE in get_loop_body, at cfgloop.c:823)
2013-01-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/55270
* tree-ssa-dom.c (eliminate_degenerate_phis): If we changed
the CFG, schedule loops for fixup.
* gcc.dg/torture/pr55270.c: New testcase.
From-SVN: r195533
Diffstat (limited to 'gcc/tree-ssa-dom.c')
| -rw-r--r-- | gcc/tree-ssa-dom.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/tree-ssa-dom.c b/gcc/tree-ssa-dom.c index dfb908d..e8b1551 100644 --- a/gcc/tree-ssa-dom.c +++ b/gcc/tree-ssa-dom.c @@ -3006,7 +3006,12 @@ eliminate_degenerate_phis (void) } if (cfg_altered) - free_dominance_info (CDI_DOMINATORS); + { + free_dominance_info (CDI_DOMINATORS); + /* If we changed the CFG schedule loops for fixup by cfgcleanup. */ + if (current_loops) + loops_state_set (LOOPS_NEED_FIXUP); + } /* Propagation of const and copies may make some EH edges dead. Purge such edges from the CFG as needed. */ |