[all-commits] [llvm/llvm-project] 642e49: [InstCombine] Convert fshl(x, 0, y) to shl(x, and(...

[Amr Hesham via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 642e493d4dc6d8f18900a22ed2ca6f638b69a2f8
      https://github.com/llvm/llvm-project/commit/642e493d4dc6d8f18900a22ed2ca6f638b69a2f8
  Author: Amr Hesham <amr96 at programmer.net>
  Date:   2025-01-11 (Sat, 11 Jan 2025)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/test/Transforms/InstCombine/fsh.ll

  Log Message:
  -----------
  [InstCombine] Convert fshl(x, 0, y) to shl(x, and(y, BitWidth - 1)) when BitWidth is pow2 (#122362)

Convert `fshl(x, 0, y)` to `shl(x, and(y, BitWidth - 1))` when BitWidth
is pow2

Alive2 proof: https://alive2.llvm.org/ce/z/3oTEop
Fixes: #122235



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications