revert this patch for now, because Codegen does still want to generate SSE code,
for example in the case of va-args. XFAIL associated tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62972 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 99708e0..f74008d 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -331,6 +331,10 @@
   // are enabled.  These are available on all x86-64 CPUs.
   if (Is64Bit) {
     HasX86_64 = true;
++#if 1
+     if (X86SSELevel < SSE2)
+       X86SSELevel = SSE2;
++#endif
   }
   DOUT << "Subtarget features: SSELevel " << X86SSELevel
        << ", 3DNowLevel " << X863DNowLevel