Prep for merging 3.4: Undo changes from 3.3 branch

lib/Target/NVPTX/NVPTXISelDAGToDAG.h

 //===-- NVPTXISelDAGToDAG.h - A dag to dag inst selector for NVPTX --------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines an instruction selector for the NVPTX target.
@@ skipping 23 matching lines @@
   bool doFMAF64AGG;
   bool doFMAF32AGG;
   bool allowFMA;
 
   // 0: use div.approx
   // 1: use div.full
   // 2: For sm_20 and later, ieee-compliant div.rnd.f32 can be generated;
   //    Otherwise, use div.full
   int do_DIVF32_PREC;
 
-  // If true, generate sqrt.rn, else generate sqrt.approx. If FTZ
-  // is true, then generate the corresponding FTZ version.
-  bool do_SQRTF32_PREC;
-
   // If true, add .ftz to f32 instructions.
   // This is only meaningful for sm_20 and later, as the default
   // is not ftz.
   // For sm earlier than sm_20, f32 denorms are always ftz by the
   // hardware.
   // We always add the .ftz modifier regardless of the sm value
   // when Use32FTZ is true.
   bool UseF32FTZ;
 
   // If true, generate mul.wide from sext and mul
@@ skipping 43 matching lines @@
                     SDValue &Offset);
   bool SelectADDRsi64(SDNode *OpNode, SDValue Addr, SDValue &Base,
                       SDValue &Offset);
 
   bool ChkMemSDNodeAddressSpace(SDNode *N, unsigned int spN) const;
 
   bool UndefOrImm(SDValue Op, SDValue N, SDValue &Retval);
 
 };
 }