[X86] Add gather test with index sign extended from i8 type.
authorCraig Topper <craig.topper@intel.com>
Thu, 16 Nov 2017 23:09:03 +0000 (23:09 +0000)
committerCraig Topper <craig.topper@intel.com>
Thu, 16 Nov 2017 23:09:03 +0000 (23:09 +0000)
commit1120bb9f59dfcc72ca928d88d31af5aecd5cab2c
tree82f619548dee4ee4b64dc9e18640d02e9bcfd91a
parent242374e2197fb96143eb8ed8b64c55ec444d81e8
[X86] Add gather test with index sign extended from i8 type.

Previously SelectionDAGBuilder would remove this sign extend leading to a failure during isel.

The codegen here isn't very nice as we ended up triggering a split.

llvm-svn: 318467
llvm/test/CodeGen/X86/masked_gather_scatter.ll