Handle any_extend like zext

llvm-svn: 23202
diff --git a/llvm/lib/Target/X86/X86ISelPattern.cpp b/llvm/lib/Target/X86/X86ISelPattern.cpp
index 48e2542..deddd1d 100644
--- a/llvm/lib/Target/X86/X86ISelPattern.cpp
+++ b/llvm/lib/Target/X86/X86ISelPattern.cpp
@@ -2394,6 +2394,7 @@
     BuildMI(BB, X86::MOV32ri, 1, Result).addExternalSymbol(Sym);
     return Result;
   }
+  case ISD::ANY_EXTEND:   // treat any extend like zext
   case ISD::ZERO_EXTEND: {
     int DestIs16 = N.getValueType() == MVT::i16;
     int SrcIs16  = N.getOperand(0).getValueType() == MVT::i16;