On Mon, Mar 10, 2014 at 10:29 AM, bin.cheng <bin.ch...@arm.com> wrote: > Hi, > When I investigating PR60363 which is caused by previous patch for PR60280, > I found there is a latent bug in remove_forwarder_block_with_phi because GCC > doesn't update loop's latch information. Without this patch, cfgcleanup > facility will remove and rebuild the loop structure, resulting in loss of > loop meta information. > > This patch is just an obvious pickup, but it isn't intended to fix pr60363. > > Test on cortex-m3 > Bootstrap and test on x86_64 > > Is it OK?
Ok. Thanks, Richard. > > 2014-03-10 Bin Cheng <bin.ch...@arm.com> > > * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Record > bb's single pred and update the father loop's latch info later.
