[X86][SSSE3] Added combine test for unary shuffle (pshufb) only referencing elements from one of the inputs of a binary shuffle (punpcklbw)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262486 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed