[llvm] [RISCV] Add a pass to eliminate special copies in order to facilitate shrink-wrap optimization (PR #140716)

[Craig Topper via llvm-commits]

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+//===- RISCVCopyCombine.cpp - Remove special copy for RISC-V --===//
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topperc wrote:

This line should be padded with `-` to 80 columns

https://github.com/llvm/llvm-project/pull/140716