[dylan-lang/opendylan] 072c8b: [llvm] Implement <&objc-msgsend>.

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  Branch: refs/heads/master
  Home:   https://github.com/dylan-lang/opendylan
  Commit: 072c8ba52b2da7b1d835bb2427708ddf63fd6620
      https://github.com/dylan-lang/opendylan/commit/072c8ba52b2da7b1d835bb2427708ddf63fd6620
  Author: Bruce Mitchener <[email protected]>
  Date:   2016-01-06 (Wed, 06 Jan 2016)

  Changed paths:
    M sources/dfmc/llvm-back-end/llvm-emit-computation.dylan
    M sources/dfmc/llvm-linker/llvm-link-object.dylan

  Log Message:
  -----------
  [llvm] Implement <&objc-msgsend>.

The Objective C bridge uses a separate primitive, <&objc-msgsend>,
for calling objc_msgSend at the native level.  This primitive hadn't
yet been implemented in the LLVM back-end.

* sources/dfmc/llvm-back-end/llvm-emit-computation.dylan
  (emit-primitive-call on <&objc-msgsend>): Implement sending Objective C
   messages via objc_msgSend. Since the function signature of the message
   sending function (objc_msgSend or friends) is not complete, it must be
   cast to the correct function signature at each call site.

* sources/dfmc/llvm-linker/llvm-link-object.dylan
  (emit-extern on <&objc-msgsend>): Provide the needed global function
   declarations for objc_msgSend and friends. There are multiple functions
   that might be invoked, so we get the correct name to define from
   the c-function-name.


  Commit: a8f484e270f176d22692d20b7a90927c6b98bbd2
      https://github.com/dylan-lang/opendylan/commit/a8f484e270f176d22692d20b7a90927c6b98bbd2
  Author: Bruce Mitchener <[email protected]>
  Date:   2016-01-06 (Wed, 06 Jan 2016)

  Changed paths:
    M sources/dfmc/conversion/convert-c-ffi.dylan

  Log Message:
  -----------
  [c-ffi] Fix %obc-msgsend generated code.

This was creating code that used <raw-machine-word>, however the
calling code was passing <raw-c-pointer>, and while this worked on
the C back-end, it failed (rightfully) on the LLVM back-end.

* sources/dfmc/conversion/convert-c-ffi.dylan
  (&converter %objc-msgsend): Use <raw-c-pointer> for the target
   and selector rather than <raw-machine-word>.


Compare: https://github.com/dylan-lang/opendylan/compare/a6e112b7aea2...a8f484e270f1
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