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PS: It is possible that the C front-end doesn't need to explicitly produce BUILT_IN_POW because it is auto-synthesized somehow from a call to "pow". I wouldn't know. One way to find out is to compile a testcase and rummage around inside the gcc trees when they hit llvm-convert.

...n llvm-convert.cpp and add case BUILT_IN_POW to EmitBuiltinCall . Testcase result shows it will call EmitBuiltinCall and finally emit llvm.pow.* Sheng. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20071122/c30fb7ef/attachment.html>