diff options
Diffstat (limited to 'gcc/ipa-fnsummary.c')
| -rw-r--r-- | gcc/ipa-fnsummary.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/gcc/ipa-fnsummary.c b/gcc/ipa-fnsummary.c index d1801901559..b95babf2c1d 100644 --- a/gcc/ipa-fnsummary.c +++ b/gcc/ipa-fnsummary.c @@ -56,6 +56,7 @@ along with GCC; see the file COPYING3. If not see #include "system.h" #include "coretypes.h" #include "backend.h" +#include "target.h" #include "tree.h" #include "gimple.h" #include "alloc-pool.h" @@ -1149,6 +1150,8 @@ ipa_dump_fn_summary (FILE *f, struct cgraph_node *node) fprintf (f, " calls:\n"); dump_ipa_call_summary (f, 4, node, s); fprintf (f, "\n"); + if (s->target_info) + fprintf (f, " target_info: %x\n", s->target_info); } else fprintf (f, "IPA summary for %s is missing.\n", node->dump_name ()); @@ -2675,6 +2678,12 @@ analyze_function_body (struct cgraph_node *node, bool early) bb_predicate, bb_predicate); + /* Only look for target information for inlinable functions. */ + bool scan_for_target_info = + info->inlinable + && targetm.target_option.need_ipa_fn_target_info (node->decl, + info->target_info); + if (fbi.info) compute_bb_predicates (&fbi, node, info, params_summary); const profile_count entry_count = ENTRY_BLOCK_PTR_FOR_FN (cfun)->count; @@ -2895,6 +2904,15 @@ analyze_function_body (struct cgraph_node *node, bool early) } } + /* For target specific information, we want to scan all statements + rather than those statements with non-zero weights, to avoid + missing to scan something interesting for target information, + such as: internal function calls. */ + if (scan_for_target_info) + scan_for_target_info = + targetm.target_option.update_ipa_fn_target_info + (info->target_info, stmt); + /* Account cost of address calculations in the statements. */ for (unsigned int i = 0; i < gimple_num_ops (stmt); i++) { @@ -4116,6 +4134,7 @@ ipa_merge_fn_summary_after_inlining (struct cgraph_edge *edge) toplev_predicate = true; info->fp_expressions |= callee_info->fp_expressions; + info->target_info |= callee_info->target_info; if (callee_info->conds) { @@ -4456,13 +4475,17 @@ inline_read_section (struct lto_file_decl_data *file_data, const char *data, bp = streamer_read_bitpack (&ib); if (info) { - info->inlinable = bp_unpack_value (&bp, 1); - info->fp_expressions = bp_unpack_value (&bp, 1); + info->inlinable = bp_unpack_value (&bp, 1); + info->fp_expressions = bp_unpack_value (&bp, 1); + if (!lto_stream_offload_p) + info->target_info = streamer_read_uhwi (&ib); } else { - bp_unpack_value (&bp, 1); - bp_unpack_value (&bp, 1); + bp_unpack_value (&bp, 1); + bp_unpack_value (&bp, 1); + if (!lto_stream_offload_p) + streamer_read_uhwi (&ib); } count2 = streamer_read_uhwi (&ib); @@ -4698,6 +4721,8 @@ ipa_fn_summary_write (void) bp_pack_value (&bp, info->inlinable, 1); bp_pack_value (&bp, info->fp_expressions, 1); streamer_write_bitpack (&bp); + if (!lto_stream_offload_p) + streamer_write_uhwi (ob, info->target_info); streamer_write_uhwi (ob, vec_safe_length (info->conds)); for (i = 0; vec_safe_iterate (info->conds, i, &c); i++) { |