[all-commits] [llvm/llvm-project] 3abd9c: [Codegen] Revert rL354676/rL354677 and followups -...

[Roman Lebedev via All-commits]

  Branch: refs/heads/release/10.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 3abd9cd486d9c45867458f64d1294db698c39b4e
      https://github.com/llvm/llvm-project/commit/3abd9cd486d9c45867458f64d1294db698c39b4e
  Author: Roman Lebedev <lebedev.ri at gmail.com>
  Date:   2020-02-26 (Wed, 26 Feb 2020)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AArch64/ldst-paired-aliasing.ll
    M llvm/test/CodeGen/PowerPC/constant-combines.ll
    M llvm/test/CodeGen/X86/constant-combines.ll
    M llvm/test/CodeGen/X86/lifetime-alias.ll
    M llvm/test/CodeGen/X86/pr40631_deadstore_elision.ll
    M llvm/test/CodeGen/X86/stores-merging.ll

  Log Message:
  -----------
  [Codegen] Revert rL354676/rL354677 and followups - introduced PR43446 miscompile

This reverts https://reviews.llvm.org/D58468
(rL354676, 44037d7a6377ec8e5542cced73583283334b516b),
and all and any follow-ups to that code block.

https://bugs.llvm.org/show_bug.cgi?id=43446

(cherry picked from commit d20907d1de89bf63b589fadd8c096d4895e47fba)