Add AVX2 instruction lowering for add, sub, and mul.

llvm-svn: 144174
2 files changed
tree: e1980ad8dcc51fc9b35be25af6b4a2f524f6b424
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/