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Avoid printing range table header alone.

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gcc/ChangeLog:
	* gimple-range-cache.cc (ssa_global_cache::dump): Avoid printing
	range table header alone.
	* gimple-range.cc (gimple_ranger::export_global_ranges): Same.
This commit is contained in:
Martin Sebor 2021-08-25 14:36:13 -06:00
parent 1ab84eda55
commit ed3de423f1
2 changed files with 50 additions and 35 deletions
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20
gcc/gimple-range-cache.cc
View file

@ -628,19 +628,31 @@ ssa_global_cache::clear ()
void void
ssa_global_cache::dump (FILE *f) ssa_global_cache::dump (FILE *f)
{ {
unsigned x; /* Cleared after the table header has been printed. */
bool print_header = true;
for (unsigned x = 1; x < num_ssa_names; x++)
{
int_range_max r; int_range_max r;
fprintf (f, "Non-varying global ranges:\n");
fprintf (f, "=========================:\n");
for ( x = 1; x < num_ssa_names; x++)
if (gimple_range_ssa_p (ssa_name (x)) && if (gimple_range_ssa_p (ssa_name (x)) &&
get_global_range (r, ssa_name (x)) && !r.varying_p ()) get_global_range (r, ssa_name (x)) && !r.varying_p ())
{ {
if (print_header)
{
/* Print the header only when there's something else
to print below. */
fprintf (f, "Non-varying global ranges:\n");
fprintf (f, "=========================:\n");
print_header = false;
}
print_generic_expr (f, ssa_name (x), TDF_NONE); print_generic_expr (f, ssa_name (x), TDF_NONE);
fprintf (f, " : "); fprintf (f, " : ");
r.dump (f); r.dump (f);
fprintf (f, "\n"); fprintf (f, "\n");
} }
}
if (!print_header)
fputc ('\n', f); fputc ('\n', f);
} }

27
gcc/gimple-range.cc
View file

@ -259,16 +259,11 @@ gimple_ranger::range_of_stmt (irange &r, gimple *s, tree name)
void void
gimple_ranger::export_global_ranges () gimple_ranger::export_global_ranges ()
{ {
unsigned x; /* Cleared after the table header has been printed. */
bool print_header = true;
for (unsigned x = 1; x < num_ssa_names; x++)
{
int_range_max r; int_range_max r;
if (dump_file)
{
fprintf (dump_file, "Exported global range table\n");
fprintf (dump_file, "===========================\n");
}
for ( x = 1; x < num_ssa_names; x++)
{
tree name = ssa_name (x); tree name = ssa_name (x);
if (name && !SSA_NAME_IN_FREE_LIST (name) if (name && !SSA_NAME_IN_FREE_LIST (name)
&& gimple_range_ssa_p (name) && gimple_range_ssa_p (name)
@ -276,12 +271,21 @@ gimple_ranger::export_global_ranges ()
&& !r.varying_p()) && !r.varying_p())
{ {
bool updated = update_global_range (r, name); bool updated = update_global_range (r, name);
if (!updated || !dump_file || !(dump_flags & TDF_DETAILS))
continue;
if (updated && dump_file) if (print_header)
{ {
/* Print the header only when there's something else
to print below. */
fprintf (dump_file, "Exported global range table:\n");
fprintf (dump_file, "============================\n");
print_header = false;
}
value_range vr = r; value_range vr = r;
print_generic_expr (dump_file, name , TDF_SLIM); print_generic_expr (dump_file, name , TDF_SLIM);
fprintf (dump_file, " --> "); fprintf (dump_file, " : ");
vr.dump (dump_file); vr.dump (dump_file);
fprintf (dump_file, "\n"); fprintf (dump_file, "\n");
int_range_max same = vr; int_range_max same = vr;
@ -294,7 +298,6 @@ gimple_ranger::export_global_ranges ()
} }
} }
} }
}
// Print the known table values to file F. // Print the known table values to file F.