From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7879) id 5A2E63858407; Wed, 15 Feb 2023 10:14:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5A2E63858407 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1676456091; bh=SQNmclECfP1f54QGQsAJQ3S7RnNKgVgkux/wGaBuYyY=; h=From:To:Subject:Date:From; b=BNFV2Ogxs02DfTt2ZDxe1Cr+ncFUjYrHSCI7K8bV2RUGKlKTliNZ59o38w+VGPb0U 1vCrnlCty49YOlshKeGcqal8ZvpJbMEA+itqe43Xff/wJuHDIVeYNn7kElfaWh0p4k xRUK2YEbQ+VRfE6CuWBRzVfAltyTfNbMUPQ6qrxY= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Filip Kastl To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/pheeck/heads/sccp)] added call to update_gimple_stmt () X-Act-Checkin: gcc X-Git-Author: Filip Kastl X-Git-Refname: refs/users/pheeck/heads/sccp X-Git-Oldrev: 34dde057327c06c9aa22ee21f241c19cf1e8e821 X-Git-Newrev: c10b09ae87abfe6af1e55937a00e2c48bed9ca94 Message-Id: <20230215101451.5A2E63858407@sourceware.org> Date: Wed, 15 Feb 2023 10:14:51 +0000 (GMT) List-Id: https://gcc.gnu.org/g:c10b09ae87abfe6af1e55937a00e2c48bed9ca94 commit c10b09ae87abfe6af1e55937a00e2c48bed9ca94 Author: Filip Kastl Date: Wed Sep 7 11:33:11 2022 +0200 added call to update_gimple_stmt () Diff: --- gcc/sccp.cc | 29 +++++++++++++++++++++++------ 1 file changed, 23 insertions(+), 6 deletions(-) diff --git a/gcc/sccp.cc b/gcc/sccp.cc index 32072c5d6d2..fd7f01db6b3 100644 --- a/gcc/sccp.cc +++ b/gcc/sccp.cc @@ -297,23 +297,40 @@ tarjan_compute_sccs (auto_vec &phis) static void replace_scc_by_value (vec scc, tree v) { + // DEBUG + if (scc.length () >= 3) + { + std::cerr << "Replacing scc of size " << scc.length () << std::endl; + } + for (gphi *phi : scc) { tree ssa_name = gimple_get_lhs (phi); // DEBUG unsigned vnum_get_replaced = SSA_NAME_VERSION (ssa_name); - unsigned vnum_replaced_by = SSA_NAME_VERSION (v); - std::cerr << "Replacing " << vnum_get_replaced << " by " << - vnum_replaced_by << std::endl; + if (TREE_CODE (v) == SSA_NAME) + { + unsigned vnum_replaced_by = SSA_NAME_VERSION (v); + std::cerr << "Replacing " << vnum_get_replaced << " by " << + vnum_replaced_by << std::endl; + } + else + { + std::cerr << "Replacing " << vnum_get_replaced << " by something" + << " that isn't an SSA name" << std::endl; + } /* Replace each occurence of phi by value v. */ use_operand_p use_p; imm_use_iterator iter; gimple *use_stmt; FOR_EACH_IMM_USE_STMT (use_stmt, iter, ssa_name) - FOR_EACH_IMM_USE_ON_STMT (use_p, iter) - SET_USE (use_p, v); + { + FOR_EACH_IMM_USE_ON_STMT (use_p, iter) + SET_USE (use_p, v); + update_stmt (use_stmt); + } } } @@ -463,7 +480,7 @@ public: unsigned pass_sccp::execute (function *) { - //debug_phis (); // DEBUG + debug_phis (); // DEBUG init_sccp (); auto_vec phis = get_all_phis ();