[PATCH] [PATCH][Interpreter] Add missing FP intrinsic lowering.

[Duncan P. N. Exon Smith]

LGTM.

> On 2014-Aug-29, at 07:27, Josh Klontz <josh.klontz at gmail.com> wrote:
> 
> Hi dexonsmith,
> 
> This extends the work done in [1], adding missing intrinsic lowering for floor, trunc, round and copysign.
> 
> [1] http://comments.gmane.org/gmane.comp.compilers.llvm.cvs/199372
> 
> http://reviews.llvm.org/D5120
> 
> Files:
>  lib/CodeGen/IntrinsicLowering.cpp
>  test/ExecutionEngine/Interpreter/intrinsics.ll
> <D5120.13080.patch>