[all-commits] [llvm/llvm-project] 39a766: [RISCV] Select (add/or C, x) -> (add.uw C|0xffffff...

[Piotr Fusik via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 39a7664fc10d7634f0f8b8a320366221450cc790
      https://github.com/llvm/llvm-project/commit/39a7664fc10d7634f0f8b8a320366221450cc790
  Author: Piotr Fusik <p.fusik at samsung.com>
  Date:   2025-06-10 (Tue, 10 Jun 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.h
    M llvm/lib/Target/RISCV/RISCVInstrInfo.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoVVLPatterns.td
    M llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
    M llvm/test/CodeGen/RISCV/rv64zba.ll

  Log Message:
  -----------
  [RISCV] Select (add/or C, x) -> (add.uw C|0xffffffff00000000, x) (#143375)

Emits fewer instructions for certain constants.



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