[all-commits] [llvm/llvm-project] 1e36c9: [InstCombine] Fold ((X << nuw Z) binop nuw Y) >>u ...

AtariDreams via All-commits all-commits at lists.llvm.org
Tue May 7 12:18:17 PDT 2024


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1e36c96dc0998e886644d6fc76aa475d88d9645c
      https://github.com/llvm/llvm-project/commit/1e36c96dc0998e886644d6fc76aa475d88d9645c
  Author: AtariDreams <gfunni234 at gmail.com>
  Date:   2024-05-07 (Tue, 07 May 2024)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
    M llvm/test/Transforms/InstCombine/lshr.ll

  Log Message:
  -----------
  [InstCombine] Fold ((X << nuw Z) binop nuw Y) >>u Z --> X binop nuw (Y >>u Z) (#88193)

Proofs:
https://alive2.llvm.org/ce/z/N9dRzP
https://alive2.llvm.org/ce/z/Xrpc-Y
https://alive2.llvm.org/ce/z/BagBM6



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