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-rw-r--r--gcc/tree-optimize.c111
1 files changed, 83 insertions, 28 deletions
diff --git a/gcc/tree-optimize.c b/gcc/tree-optimize.c
index 71b66c8..701b104 100644
--- a/gcc/tree-optimize.c
+++ b/gcc/tree-optimize.c
@@ -47,6 +47,7 @@ Boston, MA 02111-1307, USA. */
#include "tree-alias-common.h"
#include "ggc.h"
#include "cgraph.h"
+#include "graph.h"
/* Global variables used to communicate with passes. */
@@ -72,7 +73,8 @@ static struct tree_opt_pass pass_gimple =
PROP_gimple_any, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- TODO_dump_func /* todo_flags_finish */
+ TODO_dump_func, /* todo_flags_finish */
+ 0 /* letter */
};
/* Gate: execute, or not, all of the non-trivial optimizations. */
@@ -98,7 +100,8 @@ static struct tree_opt_pass pass_all_optimizations =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- 0 /* todo_flags_finish */
+ 0, /* todo_flags_finish */
+ 0 /* letter */
};
/* Pass: cleanup the CFG just before expanding trees to RTL.
@@ -127,7 +130,8 @@ static struct tree_opt_pass pass_cleanup_cfg_post_optimizing =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- 0 /* todo_flags_finish */
+ 0, /* todo_flags_finish */
+ 0 /* letter */
};
/* Pass: do the actions required to finish with tree-ssa optimization
@@ -170,7 +174,8 @@ static struct tree_opt_pass pass_free_datastructures =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- 0 /* todo_flags_finish */
+ 0, /* todo_flags_finish */
+ 0 /* letter */
};
@@ -197,7 +202,8 @@ static struct tree_opt_pass pass_init_datastructures =
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
- 0 /* todo_flags_finish */
+ 0, /* todo_flags_finish */
+ 0 /* letter */
};
/* Iterate over the pass tree allocating dump file numbers. We want
@@ -205,14 +211,11 @@ static struct tree_opt_pass pass_init_datastructures =
enabled or not. */
static void
-register_one_dump_file (struct tree_opt_pass *pass)
+register_one_dump_file (struct tree_opt_pass *pass, int n)
{
char *dot_name, *flag_name;
char num[10];
- if (!pass->name)
- return;
-
/* See below in next_pass_1. */
num[0] = '\0';
if (pass->static_pass_number != -1)
@@ -220,31 +223,55 @@ register_one_dump_file (struct tree_opt_pass *pass)
? 1 : pass->static_pass_number));
dot_name = concat (".", pass->name, num, NULL);
- flag_name = concat ("tree-", pass->name, num, NULL);
-
- pass->static_pass_number = dump_register (dot_name, flag_name);
+ if (pass->properties_provided & PROP_trees)
+ {
+ flag_name = concat ("tree-", pass->name, num, NULL);
+ pass->static_pass_number = dump_register (dot_name, flag_name,
+ TDF_TREE, n + TDI_tree_all, 0);
+ }
+ else
+ {
+ flag_name = concat ("rtl-", pass->name, num, NULL);
+ pass->static_pass_number = dump_register (dot_name, flag_name,
+ TDF_RTL, n, pass->letter);
+ }
}
static int
register_dump_files (struct tree_opt_pass *pass, int properties)
{
+ static int n = 0;
do
{
- /* Verify that all required properties are present. */
- if (pass->properties_required & ~properties)
- abort ();
-
- if (pass->properties_destroyed & pass->properties_provided)
- abort ();
+ int new_properties;
+ int pass_number;
pass->properties_required = properties;
- pass->properties_provided = properties =
+ new_properties =
(properties | pass->properties_provided) & ~pass->properties_destroyed;
- if (properties & PROP_trees)
- register_one_dump_file (pass);
+ /* Reset the counter when we reach RTL-based passes. */
+ if ((pass->properties_provided ^ pass->properties_required) & PROP_rtl)
+ n = 0;
+
+ pass_number = n;
+ if (pass->name)
+ n++;
+
if (pass->sub)
- properties = register_dump_files (pass->sub, properties);
+ new_properties = register_dump_files (pass->sub, new_properties);
+
+ /* If we have a gate, combine the properties that we could have with
+ and without the pass being examined. */
+ if (pass->gate)
+ properties &= new_properties;
+ else
+ properties = new_properties;
+
+ pass->properties_provided = properties;
+ if (pass->name)
+ register_one_dump_file (pass, pass_number);
+
pass = pass->next;
}
while (pass);
@@ -386,7 +413,7 @@ static void execute_pass_list (struct tree_opt_pass *);
static unsigned int last_verified;
static void
-execute_todo (unsigned int flags)
+execute_todo (int properties, unsigned int flags)
{
if (flags & TODO_rename_vars)
{
@@ -396,8 +423,13 @@ execute_todo (unsigned int flags)
if ((flags & TODO_dump_func) && dump_file)
{
- dump_function_to_file (current_function_decl,
- dump_file, dump_flags);
+ if (properties & PROP_trees)
+ dump_function_to_file (current_function_decl,
+ dump_file, dump_flags);
+ else if (properties & PROP_cfg)
+ print_rtl_with_bb (dump_file, get_insns ());
+ else
+ print_rtl (dump_file, get_insns ());
/* Flush the file. If verification fails, we won't be able to
close the file before aborting. */
@@ -433,11 +465,13 @@ execute_one_pass (struct tree_opt_pass *pass)
/* Run pre-pass verification. */
todo = pass->todo_flags_start & ~last_verified;
if (todo)
- execute_todo (todo);
+ execute_todo (pass->properties_required, todo);
/* If a dump file name is present, open it if enabled. */
if (pass->static_pass_number != -1)
{
+ bool initializing_dump = !dump_initialized_p (pass->static_pass_number);
+ dump_file_name = get_dump_file_name (pass->static_pass_number);
dump_file = dump_begin (pass->static_pass_number, &dump_flags);
if (dump_file)
{
@@ -445,8 +479,19 @@ execute_one_pass (struct tree_opt_pass *pass)
dname = lang_hooks.decl_printable_name (current_function_decl, 2);
aname = (IDENTIFIER_POINTER
(DECL_ASSEMBLER_NAME (current_function_decl)));
- fprintf (dump_file, "\n;; Function %s (%s)\n\n", dname, aname);
+ fprintf (dump_file, "\n;; Function %s (%s)%s\n\n", dname, aname,
+ cfun->function_frequency == FUNCTION_FREQUENCY_HOT
+ ? " (hot)"
+ : cfun->function_frequency == FUNCTION_FREQUENCY_UNLIKELY_EXECUTED
+ ? " (unlikely executed)"
+ : "");
}
+
+ if (initializing_dump
+ && graph_dump_format != no_graph
+ && (pass->properties_provided & (PROP_cfg | PROP_rtl))
+ == (PROP_cfg | PROP_rtl))
+ clean_graph_dump_file (dump_file_name);
}
/* If a timevar is present, start it. */
@@ -457,15 +502,25 @@ execute_one_pass (struct tree_opt_pass *pass)
if (pass->execute)
pass->execute ();
+ if (dump_file
+ && (pass->properties_provided & (PROP_cfg | PROP_rtl))
+ == (PROP_cfg | PROP_rtl))
+ print_rtl_graph_with_bb (dump_file_name, get_insns ());
+
/* Run post-pass cleanup and verification. */
todo = pass->todo_flags_finish;
last_verified = todo & TODO_verify_all;
if (todo)
- execute_todo (todo);
+ execute_todo (pass->properties_provided, todo);
/* Close down timevar and dump file. */
if (pass->tv_id)
timevar_pop (pass->tv_id);
+ if (dump_file_name)
+ {
+ free ((char *) dump_file_name);
+ dump_file_name = NULL;
+ }
if (dump_file)
{
dump_end (pass->static_pass_number, dump_file);
generated by cgit v1.1 at 2025-06-03 04:05:55 +0000