llvm/test/CodeGen/X86/vec_select.ll: Fix failure on xmm-less hosts, t…

…o add -mattr=+sse2.

FIXME: Should this be tested with both +avx and -avx,+sse2?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162983 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGen/X86/vec_select.ll

@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 | FileCheck %s
+; RUN: llc < %s -march=x86 -mattr=+sse2 | FileCheck %s
 
 ; When legalizing the v4i1 constant, we need to consider the boolean contents
 ; For x86 a boolean vector constant is all ones so the constants in memory