On Thu, 20 Dec 2012, Steven Bosscher wrote:
> On Thu, Dec 20, 2012 at 1:43 PM, Richard Biener wrote:
> > --- 724,746
> >
> > cfg_hooks->merge_blocks (a, b);
> >
> > if (current_loops != NULL)
> > {
> > ! /* If the block we merge into is a loop header do nothing unless
> >
On Thu, Dec 20, 2012 at 1:43 PM, Richard Biener wrote:
> --- 724,746
>
> cfg_hooks->merge_blocks (a, b);
>
> if (current_loops != NULL)
> {
> ! /* If the block we merge into is a loop header do nothing unless ...
> */
> ! if (a->loop_father->header == a)
> ! {
The following fixes a fixup for loops when merging two basic-blocks.
We didn't handle merging two loop headers well which the following
patch addresses.
LTO bootstrapped (which was broken before this patch) and tested
on x86_64-unknown-linux-gnu, applied.
Richard.
2012-12-20 Richard Biener
