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| author | Richard Biener <rguenther@suse.de> | 2024-03-27 10:53:11 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2024-05-02 15:30:17 +0200 |
| commit | bf33fe90e75c2c463d77f83d9a44dc61abe087f5 (patch) | |
| tree | 59bfedde97b7c3f8360c6fef663d32f7a20eaa87 /gcc/tree-vect-slp.cc | |
| parent | 9b5c0be59d0f94df0517820f00b4520b5abddd8c (diff) | |
| download | gcc-bf33fe90e75c2c463d77f83d9a44dc61abe087f5.zip gcc-bf33fe90e75c2c463d77f83d9a44dc61abe087f5.tar.gz gcc-bf33fe90e75c2c463d77f83d9a44dc61abe087f5.tar.bz2 | |
Improve SLP dump and graph
The following notes which lanes are considered live and adds an overload
to produce a graphviz graph for multiple entries into an SLP graph.
* tree-vect-slp.cc (vect_print_slp_tree): Mark live lanes.
(dot_slp_tree): New overload for multiple entries.
Diffstat (limited to 'gcc/tree-vect-slp.cc')
| -rw-r--r-- | gcc/tree-vect-slp.cc | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/gcc/tree-vect-slp.cc b/gcc/tree-vect-slp.cc index 133606f..3eb326d 100644 --- a/gcc/tree-vect-slp.cc +++ b/gcc/tree-vect-slp.cc @@ -2759,7 +2759,9 @@ vect_print_slp_tree (dump_flags_t dump_kind, dump_location_t loc, } if (SLP_TREE_SCALAR_STMTS (node).exists ()) FOR_EACH_VEC_ELT (SLP_TREE_SCALAR_STMTS (node), i, stmt_info) - dump_printf_loc (metadata, user_loc, "\tstmt %u %G", i, stmt_info->stmt); + dump_printf_loc (metadata, user_loc, "\t%sstmt %u %G", + STMT_VINFO_LIVE_P (stmt_info) ? "[l] " : "", + i, stmt_info->stmt); else { dump_printf_loc (metadata, user_loc, "\t{ "); @@ -2840,6 +2842,23 @@ dot_slp_tree (const char *fname, slp_tree node) fclose (f); } +DEBUG_FUNCTION void +dot_slp_tree (const char *fname, const vec<slp_instance> &slp_instances) +{ + FILE *f = fopen (fname, "w"); + fprintf (f, "digraph {\n"); + fflush (f); + { + debug_dump_context ctx (f); + hash_set<slp_tree> visited; + for (auto inst : slp_instances) + dot_slp_tree (f, SLP_INSTANCE_TREE (inst), visited); + } + fflush (f); + fprintf (f, "}\n"); + fclose (f); +} + /* Dump a slp tree NODE using flags specified in DUMP_KIND. */ static void |