[llvm-dev] LazyValueInfo vs ScalarEvolution
Hongbin Zheng via llvm-dev
llvm-dev at lists.llvm.org
Mon Jul 24 14:43:42 PDT 2017
On Mon, Jul 24, 2017 at 2:29 PM, John Regehr via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> On 7/24/17 3:16 PM, Hongbin Zheng via llvm-dev wrote:
>> Thanks, maybe we could use ScalarEvolution in LazyValueInfo if it is
> This should be fairly easy to try, if you want to propose a patch and run
> some experiments. The question is whether the benefit in terms of improved
> optimization power is worth the compile-time cost.
Also, the last time I looked, there seemed to be a fair amount of room for
> improvement in LVI and ConstantRange.
Could you point some out?
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