From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luc Van Oostenryck Subject: [PATCH v3 23/30] llvm: add test cases for degenerated pointers Date: Sun, 19 Mar 2017 02:42:20 +0100 Message-ID: <20170319014227.8833-24-luc.vanoostenryck@gmail.com> References: <20170319014227.8833-1-luc.vanoostenryck@gmail.com> Return-path: Received: from mail-wr0-f196.google.com ([209.85.128.196]:36176 "EHLO mail-wr0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751424AbdCSBnC (ORCPT ); Sat, 18 Mar 2017 21:43:02 -0400 Received: by mail-wr0-f196.google.com with SMTP id l37so13792252wrc.3 for ; Sat, 18 Mar 2017 18:43:01 -0700 (PDT) In-Reply-To: <20170319014227.8833-1-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 , Luc Van Oostenryck Signed-off-by: Luc Van Oostenryck --- validation/backend/degenerate-ptr.c | 72 +++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 validation/backend/degenerate-ptr.c diff --git a/validation/backend/degenerate-ptr.c b/validation/backend/degenerate-ptr.c new file mode 100644 index 000000000..8de979e06 --- /dev/null +++ b/validation/backend/degenerate-ptr.c @@ -0,0 +1,72 @@ +extern int array[3]; +extern int matrix[3][3]; +extern int fun(int); + +extern int fia(int []); +extern int fip(int *); +extern int fim(int (*)[3]); +extern int fvp(void *); +extern int ffp(int (*)(int)); + +void call(void); +void call(void) +{ + fia(array); + + fip(array); + fim(matrix); + + fvp(array); + fvp(matrix); + + fvp(fun); + fvp(&fun); + ffp(fun); + ffp(&fun); +} + +void local(void); +void local(void) +{ + int *ip; + int (*im)[3]; + void *vp; + int (*fp)(int); + + ip = array; + im = matrix; + + vp = array; + vp = matrix; + + vp = fun; + vp = &fun; + fp = fun; + fp = &fun; +} + + +extern int *ip; +extern int (*im)[3]; +extern void *vp; +extern int (*fp)(int); + +void global(void); +void global(void) +{ + ip = array; + im = matrix; + + vp = array; + vp = matrix; + + vp = fun; + vp = &fun; + fp = fun; + fp = &fun; +} + +/* + * check-name: degenerated pointer handling + * check-command: ./sparsec -c $file -o tmp.o + */ -- 2.12.0