[llvm] [RISCV] Rematerialize load (PR #73924)

[via llvm-commits]

LiqinWeng wrote:

> > Have you tested the relevant benchmarks, such as specs？？？
> 
> There was a slight improvement to CoreMark(Ported for our experimental RISCV target). I have not tried spec, I do not have access to it. But I can try other benchmarks https://llvm.org/docs/TestSuiteGuide.html

I will test it for spec of h264ref case~ How many points did coremark improve approximately?

https://github.com/llvm/llvm-project/pull/73924