118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
/* Integration of the analyzer with GCC's pass manager.
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Copyright (C) 2019-2021 Free Software Foundation, Inc.
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Contributed by David Malcolm <dmalcolm@redhat.com>.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "context.h"
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#include "tree-pass.h"
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#include "diagnostic.h"
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#include "options.h"
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#include "tree.h"
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#include "function.h"
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#include "analyzer/analyzer.h"
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#include "analyzer/engine.h"
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namespace {
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/* Data for the analyzer pass. */
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const pass_data pass_data_analyzer =
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{
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IPA_PASS, /* type */
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"analyzer", /* name */
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OPTGROUP_NONE, /* optinfo_flags */
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TV_ANALYZER, /* tv_id */
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PROP_ssa, /* properties_required */
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0, /* properties_provided */
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0, /* properties_destroyed */
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0, /* todo_flags_start */
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0, /* todo_flags_finish */
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};
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/* The analyzer pass. */
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class pass_analyzer : public ipa_opt_pass_d
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{
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public:
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pass_analyzer(gcc::context *ctxt)
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: ipa_opt_pass_d (pass_data_analyzer, ctxt,
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NULL, /* generate_summary */
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NULL, /* write_summary */
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NULL, /* read_summary */
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NULL, /* write_optimization_summary */
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NULL, /* read_optimization_summary */
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NULL, /* stmt_fixup */
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0, /* function_transform_todo_flags_start */
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NULL, /* function_transform */
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NULL) /* variable_transform */
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{}
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/* opt_pass methods: */
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bool gate (function *) FINAL OVERRIDE;
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unsigned int execute (function *) FINAL OVERRIDE;
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}; // class pass_analyzer
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/* Only run the analyzer if -fanalyzer. */
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bool
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pass_analyzer::gate (function *)
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{
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return flag_analyzer != 0;
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}
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/* Entrypoint for the analyzer pass. */
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unsigned int
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pass_analyzer::execute (function *)
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{
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#if ENABLE_ANALYZER
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ana::run_checkers ();
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#else
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sorry_no_analyzer ();
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#endif
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return 0;
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}
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} // anon namespace
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/* Make an instance of the analyzer pass. */
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ipa_opt_pass_d *
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make_pass_analyzer (gcc::context *ctxt)
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{
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return new pass_analyzer (ctxt);
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}
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#if !ENABLE_ANALYZER
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/* Issue a "sorry" diagnostic that the analyzer was not enabled. */
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void
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sorry_no_analyzer ()
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{
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sorry ("%qs was not enabled in this build of GCC"
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" (missing configure-time option %qs)",
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"-fanalyzer", "--enable-analyzer");
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}
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#endif /* #if !ENABLE_ANALYZER */
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