[mips] Fix filename in comment and delete unnecessary lines of code.

No functionality changes.

llvm-svn: 177104

llvm/lib/Target/Mips/MipsSEISelLowering.cpp

@@ -1,4 +1,4 @@
-//===-- MipsSEISelLowering.h - MipsSE DAG Lowering Interface ----*- C++ -*-===//
+//===-- MipsSEISelLowering.cpp - MipsSE DAG Lowering Interface --*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -107,10 +107,6 @@ isEligibleForTailCallOptimization(const MipsCC &MipsCCInfo,
   if (!EnableMipsTailCalls)
     return false;
 
-  // No tail call optimization for mips16.
-  if (Subtarget->inMips16Mode())
-    return false;
-
   // Return false if either the callee or caller has a byval argument.
   if (MipsCCInfo.hasByValArg() || FI.hasByvalArg())
     return false;