[all-commits] [llvm/llvm-project] 44c79d: [InstCombine] Remove shl if we only demand known s...

[hanbeom via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 44c79da3ae90795ca8b252e8a92910eee9d889c0
      https://github.com/llvm/llvm-project/commit/44c79da3ae90795ca8b252e8a92910eee9d889c0
  Author: hanbeom <kese111 at gmail.com>
  Date:   2024-04-10 (Wed, 10 Apr 2024)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp
    M llvm/test/Transforms/InstCombine/shl-demand.ll

  Log Message:
  -----------
  [InstCombine] Remove shl if we only demand known signbits of shift source (#79014)

This patch resolve TODO written in commit:
https://github.com/llvm/llvm-project/commit/5909c678831f3a5c1669f6906f777d4ec4532fa1

Proof: https://alive2.llvm.org/ce/z/C3VNoR



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