diff options
author | Tom de Vries <tom@codesourcery.com> | 2016-01-18 12:52:23 +0000 |
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committer | Tom de Vries <vries@gcc.gnu.org> | 2016-01-18 12:52:23 +0000 |
commit | 12db0814023fa0f6a772e6e6cf0b256c2ab46b95 (patch) | |
tree | 6bdd39a0ca0a8873d7dddd592946710fe79a6c89 /gcc/tree-parloops.c | |
parent | da976fa8997acbfe87dcc8eef44a919b82a659c7 (diff) |
Allow pass_parallelize_loops to be run outside the loop pipeline
2016-01-18 Tom de Vries <tom@codesourcery.com>
* tree-parloops.c (pass_parallelize_loops::execute): Allow
pass_parallelize_loops to be run outside the loop pipeline.
From-SVN: r232511
Diffstat (limited to 'gcc/tree-parloops.c')
-rw-r--r-- | gcc/tree-parloops.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c index 46d70ac56c1..885103e1016 100644 --- a/gcc/tree-parloops.c +++ b/gcc/tree-parloops.c @@ -2844,23 +2844,41 @@ public: unsigned pass_parallelize_loops::execute (function *fun) { - if (number_of_loops (fun) <= 1) - return 0; - tree nthreads = builtin_decl_explicit (BUILT_IN_OMP_GET_NUM_THREADS); if (nthreads == NULL_TREE) return 0; + bool in_loop_pipeline = scev_initialized_p (); + if (!in_loop_pipeline) + loop_optimizer_init (LOOPS_NORMAL + | LOOPS_HAVE_RECORDED_EXITS); + + if (number_of_loops (fun) <= 1) + return 0; + + if (!in_loop_pipeline) + { + rewrite_into_loop_closed_ssa (NULL, TODO_update_ssa); + scev_initialize (); + } + + unsigned int todo = 0; if (parallelize_loops ()) { fun->curr_properties &= ~(PROP_gimple_eomp); checking_verify_loop_structure (); - return TODO_update_ssa; + todo |= TODO_update_ssa; + } + + if (!in_loop_pipeline) + { + scev_finalize (); + loop_optimizer_finalize (); } - return 0; + return todo; } } // anon namespace |