Temporarily Revert "[X86][SSE] Simplify vector LOAD + EXTEND on
pre-SSE41 hardware" as it seems to be causing crashes during code
generation in halide. PR forthcoming.

This reverts commit r263303.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@263512 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed