tree a07e4f4a153ba98107ee68b4be3ae97e73f542fc
parent a8dad5c79b64523e4c39d2ee32739f8894d40129
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.

llvm-svn: 369200