[all-commits] [llvm/llvm-project] 5746c7: Revert "[IndVars] Break backedge and replace PHIs ...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5746c76f3fc93cc1a21caf24e35b638218a6eed7
      https://github.com/llvm/llvm-project/commit/5746c76f3fc93cc1a21caf24e35b638218a6eed7
  Author: Philip Reames <listmail at philipreames.com>
  Date:   2021-09-13 (Mon, 13 Sep 2021)

  Changed paths:
    M llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
    M llvm/test/Transforms/IndVarSimplify/eliminate-backedge.ll

  Log Message:
  -----------
  Revert "[IndVars] Break backedge and replace PHIs if loop exits on 1st iteration"

This reverts commit d9ca444835e67960df927d5b8cade57776fdd8cb.  See review for why.


  Commit: 6fec6552f54885ae06bf76b35f9f1173a0561a4c
      https://github.com/llvm/llvm-project/commit/6fec6552f54885ae06bf76b35f9f1173a0561a4c
  Author: Philip Reames <listmail at philipreames.com>
  Date:   2021-09-13 (Mon, 13 Sep 2021)

  Changed paths:
    M llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
    M llvm/test/Transforms/IndVarSimplify/eliminate-backedge.ll
    M llvm/test/Transforms/IndVarSimplify/eliminate-exit-no-dl.ll
    M llvm/test/Transforms/IndVarSimplify/floating-point-iv.ll

  Log Message:
  -----------
  Revert "[IndVars] Replace PHIs if loop exits on 1st iteration"

This reverts commit 5a6dfb27ca7424f15a20f9bb7ec90d858865faa3.  See original review for why.


Compare: https://github.com/llvm/llvm-project/compare/1a56a291c5ab...6fec6552f548