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

[Yonah Goldberg via llvm-commits]

YonahGoldberg wrote:

This option worked. If I add it to all the clang compile commands for the `builtins-nvptx.c`, all tests pass. Should we just go ahead and commit that instead of changing the reflect test?

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