[all-commits] [llvm/llvm-project] 8960ba: Revert "[InstCombine] C0 <<{nsw, nuw} (X - C1) -->...

Sanjay Patel via All-commits all-commits at lists.llvm.org
Thu Apr 21 09:15:42 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8960ba7491e8551f28bbc7a177e8cfb8404513b0
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2022-04-21 (Thu, 21 Apr 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
    M llvm/test/Transforms/InstCombine/shift-add.ll

  Log Message:
  Revert "[InstCombine] C0 <<{nsw, nuw} (X - C1) --> (C0 >> C1) << X"

This reverts commit 5819f4a422865fc9a8ea4dc772769e14010ff6a7.
This caused bots to fail with a crash/assert during the fold,
so some constraint was missed.

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