From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luc Van Oostenryck Subject: [PATCH 08/13] llvm: add support for OP_NEG Date: Sun, 5 Mar 2017 12:20:42 +0100 Message-ID: <20170305112047.3411-9-luc.vanoostenryck@gmail.com> References: <20170305112047.3411-1-luc.vanoostenryck@gmail.com> Return-path: Received: from mail-wr0-f196.google.com ([209.85.128.196]:35958 "EHLO mail-wr0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751539AbdCEL1b (ORCPT ); Sun, 5 Mar 2017 06:27:31 -0500 Received: by mail-wr0-f196.google.com with SMTP id l37so18335646wrc.3 for ; Sun, 05 Mar 2017 03:27:30 -0800 (PST) In-Reply-To: <20170305112047.3411-1-luc.vanoostenryck@gmail.com> Sender: linux-sparse-owner@vger.kernel.org List-Id: linux-sparse@vger.kernel.org To: linux-sparse@vger.kernel.org Cc: Dibyendu Majumdar , Luc Van Oostenryck sparse-llvm has not yet support for OP_NEG (which need to be done via a subtraction from zero). Fix this by issuing the appropriate substraction. CC: Dibyendu Majumdar Signed-off-by: Luc Van Oostenryck --- sparse-llvm.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/sparse-llvm.c b/sparse-llvm.c index ee374b217..c489009a6 100644 --- a/sparse-llvm.c +++ b/sparse-llvm.c @@ -951,9 +951,22 @@ static void output_insn(struct function *fn, struct instruction *insn) insn->target->priv = target; break; } - case OP_NEG: - assert(0); + case OP_NEG: { + LLVMValueRef src, target; + char target_name[64]; + + src = pseudo_to_value(fn, insn, insn->src); + + pseudo_name(insn->target, target_name); + + if (symbol_is_fp_type(insn->type)) + target = LLVMBuildFNeg(fn->builder, src, target_name); + else + target = LLVMBuildNeg(fn->builder, src, target_name); + + insn->target->priv = target; break; + } case OP_CONTEXT: assert(0); break; -- 2.11.1