Remove X86-dependent stuff from SSEDomainFix.

This also enables domain swizzling for AVX code which required a few
trivial test changes.

The pass will be moved to lib/CodeGen shortly.

llvm-svn: 140659
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 6a35ecc..683d6aa 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -133,7 +133,7 @@
   bool ShouldPrint = false;
   if (OptLevel != CodeGenOpt::None &&
       (Subtarget.hasSSE2() || Subtarget.hasAVX())) {
-    PM.add(createSSEDomainFixPass());
+    PM.add(createExecutionDependencyFixPass(&X86::VR128RegClass));
     ShouldPrint = true;
   }