[cfe-dev] __builtin in clang?

[madil90]

Hi,
  I am writing a rewriting program. In order to search for appropriate paths
(default c++ paths), I added headersearchoptions to the preprocessor and
included all the default include paths clang++ uses. I am able to find all
types. The only error that is occurring is when the program encounters
functions similar to "__builtin_expect". It is unable to find these
functions in any files. Some more examples of similar functions are
"__builtin_alloca" and "__builtin_strcmp". Does clang support these
functions? If yes, where are their definitions located?

Regards,
Adil



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