[all-commits] [llvm/llvm-project] a4b1fd: [X86] Add known bits test for PEXT. NFC

[topperc via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a4b1fdec9172cdb40b583884efb2971ee3b7e991
      https://github.com/llvm/llvm-project/commit/a4b1fdec9172cdb40b583884efb2971ee3b7e991
  Author: Craig Topper <craig.topper at intel.com>
  Date:   2020-09-28 (Mon, 28 Sep 2020)

  Changed paths:
    M llvm/test/CodeGen/X86/bmi2-x86_64.ll
    M llvm/test/CodeGen/X86/bmi2.ll

  Log Message:
  -----------
  [X86] Add known bits test for PEXT. NFC


  Commit: 82da0cabb918a13c1e5ae283d8bc9556131f922e
      https://github.com/llvm/llvm-project/commit/82da0cabb918a13c1e5ae283d8bc9556131f922e
  Author: Craig Topper <craig.topper at intel.com>
  Date:   2020-09-28 (Mon, 28 Sep 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/bmi2-x86_64.ll
    M llvm/test/CodeGen/X86/bmi2.ll

  Log Message:
  -----------
  [X86] Add computeKnownBits support for PEXT.

The number of zeros in the mask provides a lower bound on the number
of leading zeros in the result.


Compare: https://github.com/llvm/llvm-project/compare/4fc69ab00238...82da0cabb918