From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luc Van Oostenryck Subject: [PATCH v4 43/63] llvm: add support for OP_SWITCH with a range Date: Tue, 21 Mar 2017 01:15:47 +0100 Message-ID: <20170321001607.75169-44-luc.vanoostenryck@gmail.com> References: <20170321001607.75169-1-luc.vanoostenryck@gmail.com> Return-path: Received: from mail-wr0-f193.google.com ([209.85.128.193]:34419 "EHLO mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754209AbdCUARH (ORCPT ); Mon, 20 Mar 2017 20:17:07 -0400 Received: by mail-wr0-f193.google.com with SMTP id u48so20450057wrc.1 for ; Mon, 20 Mar 2017 17:17:06 -0700 (PDT) In-Reply-To: <20170321001607.75169-1-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: Christopher Li , Dibyendu Majumdar , Jeff Garzik , Pekka Enberg , Luc Van Oostenryck Signed-off-by: Luc Van Oostenryck --- sparse-llvm.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) diff --git a/sparse-llvm.c b/sparse-llvm.c index 6530d2d59..035c7b42d 100644 --- a/sparse-llvm.c +++ b/sparse-llvm.c @@ -760,10 +760,8 @@ static void output_op_switch(struct function *fn, struct instruction *insn) int n_jmp = 0; FOR_EACH_PTR(insn->multijmp_list, jmp) { - if (jmp->begin == jmp->end) { /* case N */ - n_jmp++; - } else if (jmp->begin < jmp->end) { /* case M..N */ - assert(0); + if (jmp->begin <= jmp->end) { + n_jmp += (jmp->end - jmp->begin) + 1; } else /* default case */ def = jmp->target; } END_FOR_EACH_PTR(jmp); @@ -773,12 +771,11 @@ static void output_op_switch(struct function *fn, struct instruction *insn) def ? def->priv : NULL, n_jmp); FOR_EACH_PTR(insn->multijmp_list, jmp) { - if (jmp->begin == jmp->end) { /* case N */ - LLVMAddCase(target, - val_to_value(jmp->begin, insn->type), - jmp->target->priv); - } else if (jmp->begin < jmp->end) { /* case M..N */ - assert(0); + long val; + + for (val = jmp->begin; val <= jmp->end; val++) { + LLVMValueRef Val = val_to_value(val, insn->type); + LLVMAddCase(target, Val, jmp->target->priv); } } END_FOR_EACH_PTR(jmp); -- 2.12.0