LTO question

[Diego Novillo]

On Tue, Oct 13, 2009 at 08:47, Bingfeng Mei <bmei@broadcom.com> wrote:

> a.c
> extern void foo(int);
> int main()
> {  foo(20);
>  return 1;
> }
>
> b.c
> #include <stdio.h>
> void foo(int c)
> {
>  printf("Hello world: %d\n", c);
> }
>
> compiled with:
> firepath-elf-gcc -flto a.c b.c -save-temps -O2
>
> I expected that foo should be inlined into main, but not.  Both functions
>  of main and foo are present in a.s, while b.s contains the LTO code.

Try adding -fwhole-program.


Diego.