//===----------------------------------------------------------------------===// // C Language Family Front-end //===----------------------------------------------------------------------===// Welcome to Clang. This is a compiler front-end for the C family of languages (C, C++, Objective-C, and Objective-C++) which is built as part of the LLVM compiler infrastructure project. Unlike many other compiler frontends, Clang is useful for a number of things beyond just compiling code: we intend for Clang to be host to a number of different source-level tools. One example of this is the Clang Static Analyzer. If you're interested in more (including how to build Clang) it is best to read the relevant web sites. Here are some pointers: Information on Clang: http://clang.llvm.org/ Building and using Clang: http://clang.llvm.org/get_started.html Clang Static Analyzer: http://clang-analyzer.llvm.org/ Information on the LLVM project: http://llvm.org/ If you have questions or comments about Clang, a great place to discuss them is on the Clang development mailing list: http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev If you find a bug in Clang, please file it in the LLVM bug tracker: http://llvm.org/bugs/
Alexey Samsonov
authored
Summary: This patch implements a new UBSan check, which verifies that function arguments declared to be nonnull with __attribute__((nonnull)) are actually nonnull in runtime. To implement this check, we pass FunctionDecl to CodeGenFunction::EmitCallArgs (where applicable) and if function declaration has nonnull attribute specified for a certain formal parameter, we compare the corresponding RValue to null as soon as it's calculated. Test Plan: regression test suite Reviewers: rsmith Reviewed By: rsmith Subscribers: cfe-commits, rnk Differential Revision: http://reviews.llvm.org/D5082 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@217389 91177308-0d34-0410-b5e6-96231b3b80d8
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