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4586a19da8
The CCCR_Ignore action is only used for Microsoft calling conventions, mainly because MSVC does not warn when a calling convention would be ignored by the current target. This behavior is actually somewhat important, since windows.h uses WINAPI (which expands to __stdcall) widely. This distinction didn't matter much before the introduction of __vectorcall to x64 and the ability to make that the default calling convention with /Gv. Now, we can't just ignore __stdcall for x64, we have to treat it as an explicit __cdecl annotation. Fixes PR42531 llvm-svn: 365579
//===----------------------------------------------------------------------===// // 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.llvm.org/mailman/listinfo/cfe-dev If you find a bug in Clang, please file it in the LLVM bug tracker: http://llvm.org/bugs/