SuccessChanges

Summary

  1. [AArch64] Re-add patterns for (s/u)mull2. (details)
Commit 35cf9a1fc5d2ab7c171c968737092874676ce8ea by efriedma
[AArch64] Re-add patterns for (s/u)mull2.
These patterns were added in D46009, but removed in D54276 due to 
missing test coverage.
Differential Revision: https://reviews.llvm.org/D69831
The file was modifiedllvm/test/CodeGen/AArch64/aarch64-smull.ll
The file was modifiedllvm/lib/Target/AArch64/AArch64InstrInfo.td