[all-commits] [llvm/llvm-project] 16e931: [IR] allow undefined elements when checking for sp...

[RotateRight via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 16e9315685bc057849eab072de6ec349b508ec1d
      https://github.com/llvm/llvm-project/commit/16e9315685bc057849eab072de6ec349b508ec1d
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2019-12-10 (Tue, 10 Dec 2019)

  Changed paths:
    M llvm/include/llvm/IR/Constant.h
    M llvm/include/llvm/IR/Constants.h
    M llvm/lib/IR/Constants.cpp
    M llvm/unittests/IR/InstructionsTest.cpp

  Log Message:
  -----------
  [IR] allow undefined elements when checking for splat constants

This mimics the related call in SDAG. The caller is responsible
for ensuring that undef values are propagated safely.