tree 70ef1693527554cd3cbd4057f1d12e404be3bfff
parent e93fbc165f9ca84cd48c23386fc51798f30cfc14
author Craig Topper <craig.topper@intel.com> 1566081975 +0000
committer Craig Topper <craig.topper@intel.com> 1566081975 +0000

[X86] Add a one use check to the combineStore code that handles v16i16->v16i8 truncate+store by extending to v16i32 and then emitting a v16i32->v16i8 truncstore.

This prevent us from emitting a separate truncate and a truncating
store instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369200 91177308-0d34-0410-b5e6-96231b3b80d8