[all-commits] [llvm/llvm-project] 1e07f1: Revert "Special case common branch patterns in bre...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1e07f19bfc8238c856196ec88dde00038f5e993e
      https://github.com/llvm/llvm-project/commit/1e07f19bfc8238c856196ec88dde00038f5e993e
  Author: Philip Reames <listmail at philipreames.com>
  Date:   2021-08-24 (Tue, 24 Aug 2021)

  Changed paths:
    M llvm/lib/Transforms/Utils/LoopUtils.cpp
    M llvm/test/Transforms/IndVarSimplify/exit_value_test2.ll
    M llvm/test/Transforms/LoopDeletion/eval_first_iteration.ll
    M llvm/test/Transforms/LoopDeletion/loops-with-irreducible-subloops.ll
    M llvm/test/Transforms/LoopDeletion/noop-loops-with-subloops.ll
    M llvm/test/Transforms/LoopDeletion/pr49967.ll
    M llvm/test/Transforms/LoopDeletion/unreachable-loops.ll
    M llvm/test/Transforms/LoopDeletion/zero-btc.ll

  Log Message:
  -----------
  Revert "Special case common branch patterns in breakLoopBackedge"

This reverts commit aec08e86004bb3b8a7c5a86992945c936593db59.

Several problems have been reported with malformed loopinfo after this change, see discussion on https://reviews.llvm.org/rGaec08e86004b.