Hi,
> IVOpts cannot identify start_26, start_4 and ivtmp_32_7 to be copies.
> The root cause is that expression 'i + start' is identified as a common
> expression between the test in the header and the index operation in the
> latch. This is unified by copy propagation or FRE prior to loop
> opt
On Tue, Sep 22, 2009 at 1:52 PM, Rahul Kharche wrote:
> The following causes missed loop optimizations in O2 from creating
> unnecessary loop induction variables. Or, is a case of IV opts not
> able to coalesce copies of induction variables. A previous post related
> to this was made in PR41026 wh
The following causes missed loop optimizations in O2 from creating
unnecessary loop induction variables. Or, is a case of IV opts not
able to coalesce copies of induction variables. A previous post related
to this was made in PR41026 which had a type promoted loop index
variable
copied. I believe t
