[all-commits] [llvm/llvm-project] bf7f6b: Revert "Reapply [SimplifyCFG][LICM] Preserve nonnu...

[Krasimir Georgiev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bf7f6b44362c9dae055328684c2ca38cd0937972
      https://github.com/llvm/llvm-project/commit/bf7f6b44362c9dae055328684c2ca38cd0937972
  Author: Krasimir Georgiev <krasimir at google.com>
  Date:   2023-04-19 (Wed, 19 Apr 2023)

  Changed paths:
    M llvm/include/llvm/IR/Instruction.h
    M llvm/lib/IR/Instruction.cpp
    M llvm/lib/Transforms/Scalar/LICM.cpp
    M llvm/lib/Transforms/Scalar/SROA.cpp
    M llvm/lib/Transforms/Utils/Local.cpp
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/LICM/hoist-metadata.ll
    M llvm/test/Transforms/SimplifyCFG/hoist-with-metadata.ll

  Log Message:
  -----------
  Revert "Reapply [SimplifyCFG][LICM] Preserve nonnull, range and align metadata when speculating"

This reverts commit 6f7e5c0f1ac6cc3349a2e1479ac4208465b272c6.

Seems to expose a miscompile in rust, possibly exposing a bug in LLVM
somewhere. Investigation thread over at:
https://rust-lang.zulipchat.com/#narrow/stream/187780-t-compiler.2Fwg-llvm/topic/LLVM.20D146629.20breakage