[cfe-dev] __builtin_malloc, __builtin_calloc support in cfe

Joerg Sonnenberger joerg at britannica.bec.de
Tue Apr 17 03:55:00 PDT 2012

On Tue, Apr 17, 2012 at 02:08:37PM +0530, rajesh viswabramana wrote:
> Hi,
> Is builtin's __builtin_malloc, __builtin_calloc supported in clang fe??
> I checked in
> - "tools/clang/include/clang/Basic/Builtins.def",
> - "tools/clang/lib/CodeGen/CGBuiltin.cpp" and couldn't find the
> implementation.
> Is there any particular reason for not supporting it currently ?

What's the point of them? Can the compiler do anything useful with them
except turning them back to calls of the corresponding library
functions? "GCC has them" IMO is a bad reason in this case by itself.


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