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| author | Jakub Jelinek <jakub@redhat.com> | 2007-04-14 20:52:45 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2007-04-14 20:52:45 +0200 |
| commit | b1483e87c9e95b7950571b7eff59643985480c39 (patch) | |
| tree | 6d8feafd44f2de9032de4ce2c227a0a65c29c51f /gcc/omp-low.c | |
| parent | ed5ee445f9f8f9147aa7367eec0d3ae08d902c60 (diff) | |
| download | gcc-b1483e87c9e95b7950571b7eff59643985480c39.zip gcc-b1483e87c9e95b7950571b7eff59643985480c39.tar.gz gcc-b1483e87c9e95b7950571b7eff59643985480c39.tar.bz2 | |
re PR c++/25874 ([gomp] ICE in calc_dfs_tree())
PR c++/25874
* omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
post dominators and cleanup cfg before returning.
* gcc.dg/gomp/pr25874.c: Add dg-options.
* g++.dg/gomp/pr25874.C: Add dg-options.
From-SVN: r123822
Diffstat (limited to 'gcc/omp-low.c')
| -rw-r--r-- | gcc/omp-low.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/omp-low.c b/gcc/omp-low.c index f176f9e..5715812 100644 --- a/gcc/omp-low.c +++ b/gcc/omp-low.c @@ -2409,6 +2409,7 @@ expand_omp_parallel (struct omp_region *region) block_stmt_iterator si; tree entry_stmt; edge e; + bool do_cleanup_cfg = false; entry_stmt = last_stmt (region->entry); child_fn = OMP_PARALLEL_FN (entry_stmt); @@ -2444,6 +2445,7 @@ expand_omp_parallel (struct omp_region *region) exit_succ_e = single_succ_edge (exit_bb); make_edge (new_bb, exit_succ_e->dest, EDGE_FALLTHRU); } + do_cleanup_cfg = true; } else { @@ -2537,6 +2539,14 @@ expand_omp_parallel (struct omp_region *region) /* Emit a library call to launch the children threads. */ expand_parallel_call (region, new_bb, entry_stmt, ws_args); + + if (do_cleanup_cfg) + { + /* Clean up the unreachable sub-graph we created above. */ + free_dominance_info (CDI_DOMINATORS); + free_dominance_info (CDI_POST_DOMINATORS); + cleanup_tree_cfg (); + } } |