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Improve tree-ssa-alias dump files.

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* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Improve debug dumps.
	(call_may_clobber_ref_p_1): Improve debug dumps.
This commit is contained in:
Jan Hubicka 2020-10-10 19:36:03 +02:00
parent c28d91bf23
commit f1f1008c7c
1 changed files with 32 additions and 12 deletions
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44
gcc/tree-ssa-alias.c
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@ -43,6 +43,7 @@ along with GCC; see the file COPYING3. If not see
#include "attr-fnspec.h"
#include "errors.h"
#include "dbgcnt.h"
#include "gimple-pretty-print.h"
/* Broad overview of how alias analysis on gimple works:
@ -2610,13 +2611,23 @@ ref_maybe_used_by_call_p_1 (gcall *call, ao_ref *ref, bool tbaa_p)
alias_stats.modref_use_no_alias++;
if (dump_file && (dump_flags & TDF_DETAILS))
{
fprintf (dump_file, "ipa-modref: in %s,"
" call to %s does not use ",
cgraph_node::get
(current_function_decl)->dump_name (),
fprintf (dump_file,
"ipa-modref: call stmt ");
print_gimple_stmt (dump_file, call, 0);
fprintf (dump_file,
"ipa-modref: call to %s does not use ",
node->dump_name ());
print_generic_expr (dump_file, ref->ref);
fprintf (dump_file, " %i->%i\n",
if (!ref->ref && ref->base)
{
fprintf (dump_file, "base: ");
print_generic_expr (dump_file, ref->base);
}
else if (ref->ref)
{
fprintf (dump_file, "ref: ");
print_generic_expr (dump_file, ref->ref);
}
fprintf (dump_file, " alias sets: %i->%i\n",
ao_ref_base_alias_set (ref),
ao_ref_alias_set (ref));
}
@ -3035,13 +3046,22 @@ call_may_clobber_ref_p_1 (gcall *call, ao_ref *ref, bool tbaa_p)
if (dump_file && (dump_flags & TDF_DETAILS))
{
fprintf (dump_file,
"ipa-modref: in %s, "
"call to %s does not clobber ",
cgraph_node::get
(current_function_decl)->dump_name (),
"ipa-modref: call stmt ");
print_gimple_stmt (dump_file, call, 0);
fprintf (dump_file,
"ipa-modref: call to %s does not clobber ",
node->dump_name ());
print_generic_expr (dump_file, ref->ref);
fprintf (dump_file, " %i->%i\n",
if (!ref->ref && ref->base)
{
fprintf (dump_file, "base: ");
print_generic_expr (dump_file, ref->base);
}
else if (ref->ref)
{
fprintf (dump_file, "ref: ");
print_generic_expr (dump_file, ref->ref);
}
fprintf (dump_file, " alias sets: %i->%i\n",
ao_ref_base_alias_set (ref),
ao_ref_alias_set (ref));
}