DUE TO SPAM, SIGN-UP IS DISABLED. Goto Selfserve wiki signup and request an account.
...
Useful APIs and references
https://github.com/clouderaapache/Impalaincubator-impala/blob/cdh5-trunkmaster/be/src/codegen/llvm-codegen.h: the main entry point for generating IR
https://github.com/clouderaapache/Impalaincubator-impala/blob/cdh5-trunkmaster/be/src/codegen/codegen-anyval.h: internal API for handling Expr output, grep for CreateCallUnwrapped for example usage
...