[all-commits] [llvm/llvm-project] b6d7ed: [PowerPC] Extend custom lower of vector truncate t...

[RolandF77 via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: b6d7ed469f2f7e70110f6f0d0fa03b99bb818d36
      https://github.com/llvm/llvm-project/commit/b6d7ed469f2f7e70110f6f0d0fa03b99bb818d36
  Author: Roland Froese <froese at ca.ibm.com>
  Date:   2020-08-24 (Mon, 24 Aug 2020)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCISelLowering.cpp
    A llvm/test/CodeGen/PowerPC/vec-trunc2.ll

  Log Message:
  -----------
  [PowerPC] Extend custom lower of vector truncate to handle wider input

Current custom lowering of truncate vector handles a source of up to 128 bits, but that only uses one of the two shuffle vector operands. Extend it to use both operands to handle 256 bit sources.

Differential Revision: https://reviews.llvm.org/D68035