[all-commits] [llvm/llvm-project] 4c9af6: [JumpThreading] Add a basic support for freeze ins...

Juneyoung Lee via All-commits all-commits at lists.llvm.org
Tue Jul 28 11:12:43 PDT 2020


  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4c9af6d0e001bf76007527899df7a9d8860c9a5a
      https://github.com/llvm/llvm-project/commit/4c9af6d0e001bf76007527899df7a9d8860c9a5a
  Author: Juneyoung Lee <aqjune at gmail.com>
  Date:   2020-07-29 (Wed, 29 Jul 2020)

  Changed paths:
    M llvm/lib/Transforms/Scalar/JumpThreading.cpp
    M llvm/test/Transforms/JumpThreading/freeze.ll

  Log Message:
  -----------
  [JumpThreading] Add a basic support for freeze instruction

This patch adds a basic support for freeze instruction to JumpThreading
by making ComputeValueKnownInPredecessorsImpl look into its operand.

Reviewed By: efriedma, nikic

Differential Revision: https://reviews.llvm.org/D84598




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