[llvm] [NVPTX] Improve NVVMReflect Efficiency (PR #134416)

[Joseph Huber via llvm-commits]

jhuber6 wrote:

It's also worth noting that https://github.com/llvm/llvm-project/pull/134016 is AMD's attempt at doing the same functionality.

https://github.com/llvm/llvm-project/pull/134416