From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7879) id 1B67A3858C00; Wed, 7 Sep 2022 09:33:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1B67A3858C00 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1662543198; bh=3q9vs5Gic/Vq5Q1T3+me+cVmEeaEbUnGrhlJTPIu+kM=; h=From:To:Subject:Date:From; b=Bvy/42yGej8HbbQk0j827yNwX+d+ps81aD+NY0hS4pESaejO70NqYbYincyUfnzLw hwruzG7mhRm7usqubrkuLSOxosXAvi34pL1xxIlbPto+unHvcKf7H768vNRVs4wRl9 Oqih0yWmRjS8XgtCsYjtu+kzhuw/B6OabSCL7ju0= 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: f2dce1dbe6499863c1f0c7c56dec1aaf6073acef X-Git-Newrev: d0786c70d75b78a35e4cf723be921ccf09657bec Message-Id: <20220907093318.1B67A3858C00@sourceware.org> Date: Wed, 7 Sep 2022 09:33:18 +0000 (GMT) List-Id: https://gcc.gnu.org/g:d0786c70d75b78a35e4cf723be921ccf09657bec commit d0786c70d75b78a35e4cf723be921ccf09657bec 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 ();