From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2136) id 1B8233857C56; Fri, 8 Oct 2021 14:36:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1B8233857C56 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Aldy Hernandez To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-4254] Grow non_null_ref bitmap when num_ssa_names increases. X-Act-Checkin: gcc X-Git-Author: Aldy Hernandez X-Git-Refname: refs/heads/master X-Git-Oldrev: 4d9070315aac4065a6ece3a6cffd83c386f01dd9 X-Git-Newrev: 946486ab4f84a5380e1a18e37e4fb9614f5d7992 Message-Id: <20211008143657.1B8233857C56@sourceware.org> Date: Fri, 8 Oct 2021 14:36:57 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Oct 2021 14:36:57 -0000 https://gcc.gnu.org/g:946486ab4f84a5380e1a18e37e4fb9614f5d7992 commit r12-4254-g946486ab4f84a5380e1a18e37e4fb9614f5d7992 Author: Aldy Hernandez Date: Fri Oct 8 15:42:42 2021 +0200 Grow non_null_ref bitmap when num_ssa_names increases. The strlen pass changes the IL as it works with the ranger. This causes the non_null_ref code to sometimes get asked questions about new SSA names. Tested on x86-64 Linux. gcc/ChangeLog: * gimple-range-cache.cc (non_null_ref::non_null_deref_p): Grow bitmap if needed. Diff: --- gcc/gimple-range-cache.cc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/gcc/gimple-range-cache.cc b/gcc/gimple-range-cache.cc index 7d994798e52..9cbc63d8a40 100644 --- a/gcc/gimple-range-cache.cc +++ b/gcc/gimple-range-cache.cc @@ -61,6 +61,9 @@ non_null_ref::non_null_deref_p (tree name, basic_block bb, bool search_dom) return false; unsigned v = SSA_NAME_VERSION (name); + if (v >= m_nn.length ()) + m_nn.safe_grow_cleared (num_ssa_names + 1); + if (!m_nn[v]) process_name (name);