[all-commits] [llvm/llvm-project] a23bd1: [RISCV] Remove artificial restriction on ShAmt fro...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a23bd179cce86c8635bc20b813ee84ebfeed8f5f
      https://github.com/llvm/llvm-project/commit/a23bd179cce86c8635bc20b813ee84ebfeed8f5f
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2025-06-05 (Thu, 05 Jun 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
    M llvm/test/CodeGen/RISCV/and-shl.ll

  Log Message:
  -----------
  [RISCV] Remove artificial restriction on ShAmt from (shl (and X, C2), C) -> (srli (slli X, C4), C4-C) isel. (#143010)

This code unnecessarily inherited a `ShAmt <= 32` check from an earlier
pattern.



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