[all-commits] [llvm/llvm-project] e1eacf: [InstCombine] Fold freeze into phi if one operand ...

[Juneyoung Lee via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: e1eacf27c6f4ba82b8da34e62f62b44b81ffa316
      https://github.com/llvm/llvm-project/commit/e1eacf27c6f4ba82b8da34e62f62b44b81ffa316
  Author: Juneyoung Lee <aqjune at gmail.com>
  Date:   2020-07-27 (Mon, 27 Jul 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
    M llvm/test/Transforms/InstCombine/freeze-phi.ll

  Log Message:
  -----------
  [InstCombine] Fold freeze into phi if one operand is not undef

 This patch adds folding freeze into phi if it has only one operand to target.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D84601