[all-commits] [llvm/llvm-project] e1c808: Fix zero-width bitfield extracts to emit 0

[Jon Roelofs via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e1c808b36e2ec7050016c2eaafab3e17696583a0
      https://github.com/llvm/llvm-project/commit/e1c808b36e2ec7050016c2eaafab3e17696583a0
  Author: Jon Roelofs <jonathan_roelofs at apple.com>
  Date:   2022-05-03 (Tue, 03 May 2022)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/form-bitfield-extract-from-shr-and.mir

  Log Message:
  -----------
  Fix zero-width bitfield extracts to emit 0

Fixes #55129