[PATCH] [x32] Fix function indirect calls

[Nadav Rotem]

LGTM.  :)

> On Sep 15, 2014, at 8:28 AM, Pavel Chupin <pavel.v.chupin at gmail.com> wrote:
> 
> Hi nadav, dschuff,
> 
> Zero-extend register to 64-bit for callq/jmpq.
> 
> http://reviews.llvm.org/D5355
> 
> Files:
>  lib/Target/X86/X86ISelLowering.cpp
>  test/CodeGen/X86/x32-function_pointer-1.ll
>  test/CodeGen/X86/x32-function_pointer-2.ll
>  test/CodeGen/X86/x32-function_pointer-3.ll
> <D5355.13710.patch>