On Thu, Dec 11, 2014 at 03:13:50PM +0800, Bin.Cheng wrote:
> So I am wondering if I can rely on INSN_LUID checking orders of
> difference instruction. If it can be done, I can easily differentiate
> live range shrink and extend.
> Further question is, if we don't insert new insns, can I use INSN_L
Hi,
I am looking into distribute_notes, one reason why it's complicated is
the live range of register noted by REG_DEAD could be both shrunk or
extended. When live range shrinks, we need to search backwards to
find previous reference and mark it as REG_DEAD (or delete the
definition if there is no