[X86] Remove some left over code from when MVT:i1 was a legal type for AVX512.

llvm-svn: 344813

llvm/lib/Target/X86/X86FastISel.cpp

@@ -3734,9 +3734,6 @@ unsigned X86FastISel::X86MaterializeInt(const ConstantInt *CI, MVT VT) {
   switch (VT.SimpleTy) {
   default: llvm_unreachable("Unexpected value type");
   case MVT::i1:
-    // TODO: Support this properly.
-    if (Subtarget->hasAVX512())
-      return 0;
     VT = MVT::i8;
     LLVM_FALLTHROUGH;
   case MVT::i8:  Opc = X86::MOV8ri;  break;