diff options
Diffstat (limited to 'gcc/lto-streamer-out.c')
| -rw-r--r-- | gcc/lto-streamer-out.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/gcc/lto-streamer-out.c b/gcc/lto-streamer-out.c index afb73f2..110cc3e 100644 --- a/gcc/lto-streamer-out.c +++ b/gcc/lto-streamer-out.c @@ -45,6 +45,7 @@ along with GCC; see the file COPYING3. If not see #include "gimple-streamer.h" #include "tree-streamer.h" #include "streamer-hooks.h" +#include "cfgloop.h" /* Clear the line info stored in DATA_IN. */ @@ -659,6 +660,45 @@ output_cfg (struct output_block *ob, struct function *fn) streamer_write_hwi (ob, -1); + /* ??? The cfgloop interface is tied to cfun. */ + gcc_assert (cfun == fn); + + /* Output the number of loops. */ + streamer_write_uhwi (ob, number_of_loops ()); + + /* Output each loop, skipping the tree root which has number zero. */ + for (unsigned i = 1; i < number_of_loops (); ++i) + { + struct loop *loop = get_loop (i); + + /* Write the index of the loop header. That's enough to rebuild + the loop tree on the reader side. Stream -1 for an unused + loop entry. */ + if (!loop) + { + streamer_write_hwi (ob, -1); + continue; + } + else + streamer_write_hwi (ob, loop->header->index); + + /* Write everything copy_loop_info copies. */ + streamer_write_enum (ob->main_stream, + loop_estimation, EST_LAST, loop->estimate_state); + streamer_write_hwi (ob, loop->any_upper_bound); + if (loop->any_upper_bound) + { + streamer_write_uhwi (ob, loop->nb_iterations_upper_bound.low); + streamer_write_hwi (ob, loop->nb_iterations_upper_bound.high); + } + streamer_write_hwi (ob, loop->any_estimate); + if (loop->any_estimate) + { + streamer_write_uhwi (ob, loop->nb_iterations_estimate.low); + streamer_write_hwi (ob, loop->nb_iterations_estimate.high); + } + } + ob->main_stream = tmp_stream; } @@ -733,9 +773,8 @@ output_struct_function_base (struct output_block *ob, struct function *fn) FOR_EACH_VEC_SAFE_ELT (fn->local_decls, i, t) stream_write_tree (ob, t, true); - /* Output current IL state of the function. - ??? We don't stream loops. */ - streamer_write_uhwi (ob, fn->curr_properties & ~PROP_loops); + /* Output current IL state of the function. */ + streamer_write_uhwi (ob, fn->curr_properties); /* Write all the attributes for FN. */ bp = bitpack_create (ob->main_stream); |