[llvm] [AMDGPU] Post-RA Peephole for latency-hiding and hazard-avoidance bet… (PR #191319)

[Zeng Wu via llvm-commits]

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zwu-2025 wrote:

for the current pass organizations in `llc`, there is NOP since NOP is inserted in the following pass.

https://github.com/llvm/llvm-project/pull/191319