[PATCH] D38276: [X86] Remove dead code from X86ISelDAGToDAG.cpp multiply handling

[Craig Topper via Phabricator via llvm-commits]

craig.topper planned changes to this revision.
craig.topper added a comment.

I think I should be explicitly setting UMUL_LOHI/SMUL_LOHI to promote for i8/i16 rather than relying on dag combine to do it.


https://reviews.llvm.org/D38276