[all-commits] [llvm/llvm-project] 943293: Revert "[DAGCombiner] fold shift-trunc-shift to sh...

[RotateRight via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 9432937190d8c891a93521bed7b9b76397e410e3
      https://github.com/llvm/llvm-project/commit/9432937190d8c891a93521bed7b9b76397e410e3
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2019-12-12 (Thu, 12 Dec 2019)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AArch64/shift-amount-mod.ll
    M llvm/test/CodeGen/PowerPC/trunc-srl-load.ll

  Log Message:
  -----------
  Revert "[DAGCombiner] fold shift-trunc-shift to shift-mask-trunc"

This reverts commit 8963332c3327daa652ba3e26d35f9109b6991985.
There was a logic bug typo in this code, but it wasn't visible in the asm for the tests.