Subzero: Improve usability of liveness-related tools.

src/IceTargetLoweringMIPS32.cpp

 //===- subzero/src/IceTargetLoweringMIPS32.cpp - MIPS32 lowering ----------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 640 matching lines @@
 // integrity of liveness analysis. Undef values are also turned into zeroes,
 // since loOperand() and hiOperand() don't expect Undef input.
 void TargetMIPS32::prelowerPhis() {
   UnimplementedError(Func->getContext()->getFlags());
 }
 
 void TargetMIPS32::postLower() {
   if (Ctx->getFlags().getOptLevel() == Opt_m1)
     return;
   // Find two-address non-SSA instructions where Dest==Src0, and set the
-  // DestNonKillable flag to keep liveness analysis consistent.
+  // IsDestRedefined flag to keep liveness analysis consistent.
   UnimplementedError(Func->getContext()->getFlags());
 }
 
 void TargetMIPS32::makeRandomRegisterPermutation(
     llvm::SmallVectorImpl<int32_t> &Permutation,
     const llvm::SmallBitVector &ExcludeRegisters, uint64_t Salt) const {
   (void)Permutation;
   (void)ExcludeRegisters;
   (void)Salt;
   UnimplementedError(Func->getContext()->getFlags());
@@ skipping 41 matching lines @@
 void TargetDataMIPS32::lowerJumpTables() {
   if (Ctx->getFlags().getDisableTranslation())
     return;
   UnimplementedError(Ctx->getFlags());
 }
 
 TargetHeaderMIPS32::TargetHeaderMIPS32(GlobalContext *Ctx)
     : TargetHeaderLowering(Ctx) {}
 
 } // end of namespace Ice