[mips] Delete MipsFunctionInfo::EmitNOAT. Unconditionally print directive
"set .noat" so that the assembler doesn't issue warnings when register $AT is
used.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167310 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index 663aaec..1b3e0a3 100644
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -51,12 +51,10 @@
   unsigned NextStackOffset;
   bool HasByvalArg;
 
-  bool EmitNOAT;
-
 public:
   MipsFunctionInfo(MachineFunction& MF)
    : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), Mips16SPAliasReg(0),
-     VarArgsFrameIndex(0), EmitNOAT(false)
+     VarArgsFrameIndex(0)
   {}
 
   unsigned getSRetReturnReg() const { return SRetReturnReg; }
@@ -77,9 +75,6 @@
     NextStackOffset = Offset;
     HasByvalArg = HasByval;
   }
-
-  bool getEmitNOAT() const { return EmitNOAT; }
-  void setEmitNOAT() { EmitNOAT = true; }
 };
 
 } // end of namespace llvm