public inbox for gcc-cvs@sourceware.org help / color / mirror / Atom feed
From: David Malcolm <dmalcolm@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-1761] analyzer: don't track string literals in the store [PR106359] Date: Wed, 20 Jul 2022 00:23:40 +0000 (GMT) [thread overview] Message-ID: <20220720002340.A534E3858D37@sourceware.org> (raw) https://gcc.gnu.org/g:68871a008e686dbe56ff0b502f2864176a140716 commit r13-1761-g68871a008e686dbe56ff0b502f2864176a140716 Author: David Malcolm <dmalcolm@redhat.com> Date: Tue Jul 19 20:22:18 2022 -0400 analyzer: don't track string literals in the store [PR106359] Doing so speeds up -fanalyzer from taking over 4 hours to under a minute on the Linux kernel's sound/soc/codecs/cs47l90.c gcc/analyzer/ChangeLog: PR analyzer/106359 * region.h (string_region::tracked_p): New. * store.cc (binding_cluster::binding_cluster): Move here from store.h. Add assertion that base_region is tracked_p. * store.h (binding_cluster::binding_cluster): Move to store.cc. Signed-off-by: David Malcolm <dmalcolm@redhat.com> Diff: --- gcc/analyzer/region.h | 4 ++++ gcc/analyzer/store.cc | 7 +++++++ gcc/analyzer/store.h | 4 +--- 3 files changed, 12 insertions(+), 3 deletions(-) diff --git a/gcc/analyzer/region.h b/gcc/analyzer/region.h index 60d8149f513..fd0d4a05cc9 100644 --- a/gcc/analyzer/region.h +++ b/gcc/analyzer/region.h @@ -1151,6 +1151,10 @@ public: void dump_to_pp (pretty_printer *pp, bool simple) const final override; + /* We assume string literals are immutable, so we don't track them in + the store. */ + bool tracked_p () const final override { return false; } + tree get_string_cst () const { return m_string_cst; } private: diff --git a/gcc/analyzer/store.cc b/gcc/analyzer/store.cc index 06151d8c041..e3dabf300df 100644 --- a/gcc/analyzer/store.cc +++ b/gcc/analyzer/store.cc @@ -1103,6 +1103,13 @@ binding_map::remove_overlapping_bindings (store_manager *mgr, /* class binding_cluster. */ +binding_cluster::binding_cluster (const region *base_region) +: m_base_region (base_region), m_map (), + m_escaped (false), m_touched (false) +{ + gcc_assert (base_region->tracked_p ()); +} + /* binding_cluster's copy ctor. */ binding_cluster::binding_cluster (const binding_cluster &other) diff --git a/gcc/analyzer/store.h b/gcc/analyzer/store.h index 368b2990ae8..9b54c7b9156 100644 --- a/gcc/analyzer/store.h +++ b/gcc/analyzer/store.h @@ -544,9 +544,7 @@ public: typedef hash_map <const binding_key *, const svalue *> map_t; typedef map_t::iterator iterator_t; - binding_cluster (const region *base_region) - : m_base_region (base_region), m_map (), - m_escaped (false), m_touched (false) {} + binding_cluster (const region *base_region); binding_cluster (const binding_cluster &other); binding_cluster& operator=(const binding_cluster &other);
reply other threads:[~2022-07-20 0:23 UTC|newest] Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20220720002340.A534E3858D37@sourceware.org \ --to=dmalcolm@gcc.gnu.org \ --cc=gcc-cvs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).