[X86][SSE3] Added fast-isel intrinsics tests

As discussed on PR24580, this patch adds fast-isel codegen tests to match the IR generated in clang/test/CodeGen/sse3-builtins.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255051 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed