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Mon, 19 Feb 2024 13:33:43 -0800 From: Andrew Pinski To: CC: Andrew Pinski Subject: [Committed] analyzer: Fix maybe_undo_optimize_bit_field_compare vs non-scalar types [PR113983] Date: Mon, 19 Feb 2024 13:33:33 -0800 Message-ID: <20240219213333.90226-1-quic_apinski@quicinc.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 93ecRSvAzqRecSozIgvvWDe5a7kF6Zgm X-Proofpoint-ORIG-GUID: 93ecRSvAzqRecSozIgvvWDe5a7kF6Zgm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-19_20,2024-02-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 malwarescore=0 bulkscore=0 adultscore=0 suspectscore=0 clxscore=1015 spamscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 mlxlogscore=879 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401310000 definitions=main-2402190161 X-Spam-Status: No, score=-13.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org After r14-6419-g4eaaf7f5a378e8, maybe_undo_optimize_bit_field_compare would ICE on vector CST but this function really should be checking if we had integer types so reject non-integral types early on (like it was doing for non-char type before r14-6419-g4eaaf7f5a378e8). Committed as obvious after build and tested for aarch64-linux-gnu with no regressions. PR analyzer/113983 gcc/analyzer/ChangeLog: * region-model-manager.cc (maybe_undo_optimize_bit_field_compare): Reject non integral types. gcc/testsuite/ChangeLog: * gcc.dg/analyzer/torture/vector-extract-1.c: New test. Signed-off-by: Andrew Pinski --- gcc/analyzer/region-model-manager.cc | 3 +++ .../gcc.dg/analyzer/torture/vector-extract-1.c | 14 ++++++++++++++ 2 files changed, 17 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/analyzer/torture/vector-extract-1.c diff --git a/gcc/analyzer/region-model-manager.cc b/gcc/analyzer/region-model-manager.cc index 62f808a81c2..21e13b48025 100644 --- a/gcc/analyzer/region-model-manager.cc +++ b/gcc/analyzer/region-model-manager.cc @@ -602,6 +602,9 @@ maybe_undo_optimize_bit_field_compare (tree type, tree cst, const svalue *arg1) { + if (!INTEGRAL_TYPE_P (type)) + return NULL; + const binding_map &map = compound_sval->get_map (); unsigned HOST_WIDE_INT mask = TREE_INT_CST_LOW (cst); /* If "mask" is a contiguous range of set bits, see if the diff --git a/gcc/testsuite/gcc.dg/analyzer/torture/vector-extract-1.c b/gcc/testsuite/gcc.dg/analyzer/torture/vector-extract-1.c new file mode 100644 index 00000000000..5b878e6e4e2 --- /dev/null +++ b/gcc/testsuite/gcc.dg/analyzer/torture/vector-extract-1.c @@ -0,0 +1,14 @@ +/* PR analyzer/113983 */ + +/* maybe_undo_optimize_bit_field_compare used to ICE on this + because it was not checking for only integer types. */ + +typedef int __attribute__((__vector_size__(8))) V; +int i; + +V +foo(void) +{ + V v = (V){}; + return (0, 0) * (i & v); +}