[PATCH] D132252: [RISCV] Optimize x <s -1 ? x : -1. Improve x >u 1 ? x : 1.

[Craig Topper via Phabricator via llvm-commits]

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Similar to D132211 <https://reviews.llvm.org/D132211>, we can optimize x <s -1 ? x : -1 -> x <s 0 ? x : -1

Also improve the unsigned case from D132211 <https://reviews.llvm.org/D132211> to use x != 0 which
will give a bnez instruction which might be compressible.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D132252

Files:
  llvm/lib/Target/RISCV/RISCVISelLowering.cpp
  llvm/test/CodeGen/RISCV/forced-atomics.ll
  llvm/test/CodeGen/RISCV/min-max.ll

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