Re: [avr-llvm-devel] Windows build

[John M. <ato...@gm...>]

On Fri, Dec 4, 2009 at 10:23 PM, Weddington, Eric <Eri...@at...
> wrote:
>         .type   func,@function
> func:
> # BB#0:
>         ldi r24, #1
>         mov r24, r24

What's up with the redundant mov? Or will future optimization take care of
> removing this?
>
> >         ret
> >         .size   func, .-func
> >
> >
>
The redudant mov is gone now. So it looks like whatever they changed  in the
LLVM trunk fixed it.

C:\_projects_\build_llvm\bin\Debug>llc --version
Low Level Virtual Machine (http://llvm.org/):
  llvm version 2.7svn
  DEBUG build with assertions.
  Built Dec  7 2009 (21:57:15).
  Host: i686-pc-win32
  Host CPU: (unknown)
  Registered Targets:
    avr - AVR [experimental]
C:\_projects_\build_llvm\bin\Debug>llc.exe -O0 -o - -filetype=asm
-mcpu=atmega128 reti8.ll
        .file   "reti8.ll"

        .text
        .align  16
        .global func
        .type   func,@function
func:
# BB#0:
        ldi r24, #1
        ret
        .size   func, .-func